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From: Alan Stern on 3 May 2010 11:10 On Mon, 3 May 2010, Bruno [UTF-8] Prémont wrote: > > Did you boot with "no_console_suspend"? Are you using a VT console > > instead of X (a serial console may or may not work as well)? > > Yes, I'm booting with no_console_suspend and console=ttyS0. On that > system there is no X. Multiple ttys are showing up on display with > KMS or VGA text mode (just the getty, all kernel and init output goes to > serial console as expected) You're better off sending the console output to the display (or to both); I don't know how well serial consoles work with no_console_suspend. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: Bruno Prémont on 3 May 2010 15:30 On Mon, 03 May 2010 Alan Stern <stern(a)rowland.harvard.edu> wrote: > On Mon, 3 May 2010, Bruno [UTF-8] Prémont wrote: > > > > Did you boot with "no_console_suspend"? Are you using a VT console > > > instead of X (a serial console may or may not work as well)? > > > > Yes, I'm booting with no_console_suspend and console=ttyS0. On that > > system there is no X. Multiple ttys are showing up on display with > > KMS or VGA text mode (just the getty, all kernel and init output goes to > > serial console as expected) > > You're better off sending the console output to the display (or to > both); I don't know how well serial consoles work with > no_console_suspend. How do I tell kernel to send to both? At least when the keyboard is not plugged in I get about everything until the very end, last message being 'SMP alternatives: switching to UP code' (and the following line from dmesg after resume is 'Back to C!' Thanks, Bruno -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: Alan Stern on 3 May 2010 15:40 On Mon, 3 May 2010, Bruno [UTF-8] Prémont wrote: > On Mon, 03 May 2010 Alan Stern <stern(a)rowland.harvard.edu> wrote: > > On Mon, 3 May 2010, Bruno [UTF-8] Prémont wrote: > > > > > > Did you boot with "no_console_suspend"? Are you using a VT console > > > > instead of X (a serial console may or may not work as well)? > > > > > > Yes, I'm booting with no_console_suspend and console=ttyS0. On that > > > system there is no X. Multiple ttys are showing up on display with > > > KMS or VGA text mode (just the getty, all kernel and init output goes to > > > serial console as expected) > > > > You're better off sending the console output to the display (or to > > both); I don't know how well serial consoles work with > > no_console_suspend. > > How do I tell kernel to send to both? With something like this: console=ttyS0,115200 console=tty0 > At least when the keyboard is not plugged in I get about everything until > the very end, last message being 'SMP alternatives: switching to UP code' > (and the following line from dmesg after resume is 'Back to C!' The verbose debugging in driver.c should add some messages. If you still don't see anything, try putting your own printk statements in usb_suspend() and usb_resume() and the functions they call. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: Bruno Prémont on 3 May 2010 15:50 On Mon, 03 May 2010 Alan Stern <stern(a)rowland.harvard.edu> wrote: > You might also want to #define VERBOSE_DEBUG at the start of > drivers/usb/core/driver.c, before the first #include. Still no difference... (will retry with own printk's in ohci's suspend code as suggested in other mail) Suspend output as it goes: [ 240.799757] PM: Syncing filesystems ... done. [ 240.836295] PM: Preparing system for mem sleep [ 240.841226] PM: Adding info for No Bus:vcs63 [ 240.841295] PM: Adding info for No Bus:vcsa63 [ 240.856296] Freezing user space processes ... (elapsed 0.02 seconds) done. [ 240.885352] Freezing remaining freezable tasks ... (elapsed 0.01 seconds) done. [ 240.912898] PM: Entering mem sleep [ 240.916676] pci 0000:00:00.0: preparing suspend [ 240.921565] pci 0000:00:00.0: __pm_runtime_resume()! [ 240.922690] pci 0000:00:00.0: __pm_runtime_resume() returns -11! [ 240.933301] pci 0000:00:01.0: preparing suspend [ 240.938169] pci 0000:00:01.0: __pm_runtime_resume()! [ 240.943294] pci 0000:00:01.0: __pm_runtime_resume() returns -11! [ 240.949932] pcieport 0000:00:04.0: preparing suspend [ 240.955269] pcieport 0000:00:04.0: __pm_runtime_resume()! [ 240.961075] pcieport 0000:00:04.0: __pm_runtime_resume() returns -11! [ 240.967976] pcieport 0000:00:05.0: preparing suspend [ 240.973321] pcieport 0000:00:05.0: __pm_runtime_resume()! [ 240.979144] pcieport 0000:00:05.0: __pm_runtime_resume() returns -11! [ 240.986044] pcieport 0000:00:06.0: preparing suspend [ 240.991390] pcieport 0000:00:06.0: __pm_runtime_resume()! [ 240.996038] pcieport 0000:00:06.0: __pm_runtime_resume() returns -11! [ 241.004046] ahci 0000:00:12.0: preparing suspend [ 241.009011] ahci 0000:00:12.0: __pm_runtime_resume()! [ 241.012784] ahci 0000:00:12.0: __pm_runtime_resume() returns -11! [ 241.020884] ohci_hcd 0000:00:13.0: preparing suspend [ 241.026113] ohci_hcd 0000:00:13.0: __pm_runtime_resume()! [ 241.031739] ohci_hcd 0000:00:13.0: __pm_runtime_resume() returns -11! [ 241.038545] ohci_hcd 0000:00:13.1: preparing suspend [ 241.043779] ohci_hcd 0000:00:13.1: __pm_runtime_resume()! [ 241.049429] ohci_hcd 0000:00:13.1: __pm_runtime_resume() returns -11! [ 241.056232] ohci_hcd 0000:00:13.2: preparing suspend [ 241.061501] ohci_hcd 0000:00:13.2: __pm_runtime_resume()! [ 241.066210] ohci_hcd 0000:00:13.2: __pm_runtime_resume() returns -11! [ 241.073982] ohci_hcd 0000:00:13.3: preparing suspend [ 241.079209] ohci_hcd 0000:00:13.3: __pm_runtime_resume()! [ 241.083978] ohci_hcd 0000:00:13.3: __pm_runtime_resume() returns -11! [ 241.091705] ohci_hcd 0000:00:13.4: preparing suspend [ 241.096954] ohci_hcd 0000:00:13.4: __pm_runtime_resume()! [ 241.102608] ohci_hcd 0000:00:13.4: __pm_runtime_resume() returns -11! [ 241.109401] ehci_hcd 0000:00:13.5: preparing suspend [ 241.114626] ehci_hcd 0000:00:13.5: __pm_runtime_resume()! [ 241.120298] ehci_hcd 0000:00:13.5: __pm_runtime_resume() returns -11! [ 241.127132] pci 0000:00:14.0: preparing suspend [ 241.131878] pci 0000:00:14.0: __pm_runtime_resume()! [ 241.137112] pci 0000:00:14.0: __pm_runtime_resume() returns -11! [ 241.143462] pata_atiixp 0000:00:14.1: preparing suspend [ 241.148974] pata_atiixp 0000:00:14.1: __pm_runtime_resume()! [ 241.153458] pata_atiixp 0000:00:14.1: __pm_runtime_resume() returns -11! [ 241.162017] pci 0000:00:14.3: preparing suspend [ 241.166791] pci 0000:00:14.3: __pm_runtime_resume()! [ 241.172030] pci 0000:00:14.3: __pm_runtime_resume() returns -11! [ 241.178371] pci 0000:00:14.4: preparing suspend [ 241.183180] pci 0000:00:14.4: __pm_runtime_resume()! [ 241.188425] pci 0000:00:14.4: __pm_runtime_resume() returns -11! [ 241.194795] ATI IXP AC97 controller 0000:00:14.5: preparing suspend [ 241.201407] ATI IXP AC97 controller 0000:00:14.5: __pm_runtime_resume()! [ 241.204791] ATI IXP AC97 controller 0000:00:14.5: __pm_runtime_resume() returns -11! [ 241.216634] pci 0000:00:18.0: preparing suspend [ 241.221378] pci 0000:00:18.0: __pm_runtime_resume()! [ 241.226595] pci 0000:00:18.0: __pm_runtime_resume() returns -11! [ 241.232937] pci 0000:00:18.1: preparing suspend [ 241.237713] pci 0000:00:18.1: __pm_runtime_resume()! [ 241.242914] pci 0000:00:18.1: __pm_runtime_resume() returns -11! [ 241.249257] pci 0000:00:18.2: preparing suspend [ 241.254040] pci 0000:00:18.2: __pm_runtime_resume()! [ 241.259258] pci 0000:00:18.2: __pm_runtime_resume() returns -11! [ 241.265596] k8temp 0000:00:18.3: preparing suspend [ 241.270630] k8temp 0000:00:18.3: __pm_runtime_resume()! [ 241.275592] k8temp 0000:00:18.3: __pm_runtime_resume() returns -11! [ 241.282736] radeon 0000:01:05.0: preparing suspend [ 241.287782] radeon 0000:01:05.0: __pm_runtime_resume()! [ 241.292731] radeon 0000:01:05.0: __pm_runtime_resume() returns -11! [ 241.299889] tg3 0000:02:00.0: preparing suspend, may wakeup [ 241.305772] tg3 0000:02:00.0: __pm_runtime_resume()! [ 241.310981] tg3 0000:02:00.0: __pm_runtime_resume() returns -11! [ 241.317342] tg3 0000:03:00.0: preparing suspend, may wakeup [ 241.323224] tg3 0000:03:00.0: __pm_runtime_resume()! [ 241.328427] tg3 0000:03:00.0: __pm_runtime_resume() returns -11! [ 241.334806] platform pcspkr: preparing suspend [ 241.339497] platform microcode: preparing suspend [ 241.344506] serial8250 serial8250: preparing suspend [ 241.349717] i8042 i8042: preparing suspend [ 241.354050] it87 it87.3712: preparing suspend [ 241.358651] usb usb1: preparing type suspend, may wakeup [ 241.364247] usb usb2: preparing type suspend, may wakeup [ 241.369847] usb usb3: preparing type suspend, may wakeup [ 241.375443] usb usb4: preparing type suspend, may wakeup [ 241.381044] usb usb5: preparing type suspend, may wakeup [ 241.386643] usb usb6: preparing type suspend, may wakeup [ 241.392244] usb 1-2: preparing type suspend, may wakeup [ 241.397762] usb 1-2.1: preparing type suspend, may wakeup [ 241.403489] input input3: type suspend [ 241.407449] ac97 0-0:ALC655: legacy suspend [ 241.407504] usbhid 1-2.1:1.1: suspend [ 241.407511] usbhid 1-2.1:1.0: suspend [ 241.407516] usb 1-2.1: type suspend, may wakeup [ 241.424326] it87 it87.3712: suspend [ 241.427983] input input2: type suspend [ 241.431940] rtc rtc0: legacy class suspend [ 241.436286] serio serio1: suspend [ 241.439780] atkbd serio0: suspend [ 241.443340] hub 1-2:1.0: suspend [ 241.446753] i8042 i8042: suspend [ 241.450182] serial8250 serial8250: suspend [ 241.454544] drm card0-HDMI Type A-1: legacy class suspend [ 241.460195] i2c i2c-2: suspend [ 241.463426] drm card0-DVI-D-1: legacy class suspend [ 241.468569] i2c i2c-1: suspend [ 241.471778] drm card0-SVIDEO-1: legacy class suspend [ 241.477014] drm card0-VGA-1: legacy class suspend [ 241.481966] i2c i2c-0: suspend [ 241.485216] drm card0: legacy class suspend [ 241.489630] drm controlD64: legacy class suspend [ 241.494495] drm ttm: legacy class suspend [ 241.498731] input input1: type suspend [ 241.502694] input input0: type suspend [ 241.506655] platform microcode: suspend [ 241.510684] platform pcspkr: suspend [ 241.514454] system 00:11: legacy suspend [ 241.518563] system 00:10: legacy suspend [ 241.522713] ACPI handle has no context! [ 241.526767] system 00:0f: legacy suspend [ 241.530894] system 00:0e: legacy suspend [ 241.535049] system 00:0d: legacy suspend [ 241.539187] pnp 00:0c: legacy suspend [ 241.543048] pnp 00:0b: legacy suspend [ 241.546900] system 00:0a: legacy suspend [ 241.551020] pnp 00:09: legacy suspend [ 241.554904] pnp 00:08: legacy suspend [ 241.558730] pnp 00:07: legacy suspend [ 241.562590] pnp 00:06: legacy suspend [ 241.566468] i8042 aux 00:05: legacy suspend [ 241.570893] i8042 kbd 00:04: legacy suspend [ 241.575315] rtc_cmos 00:03: legacy suspend, may wakeup [ 241.580736] pnp 00:02: legacy suspend [ 241.584616] system 00:01: legacy suspend [ 241.588742] pnp 00:00: legacy suspend [ 241.592651] button LNXPWRBN:00: legacy suspend [ 241.597321] acpi LNXTHERM:00: legacy suspend [ 241.601786] pci_link PNP0C0F:07: legacy suspend [ 241.606563] pci_link PNP0C0F:06: legacy suspend [ 241.611325] pci_link PNP0C0F:05: legacy suspend [ 241.616114] pci_link PNP0C0F:04: legacy suspend [ 241.620885] pci_link PNP0C0F:03: legacy suspend [ 241.625667] pci_link PNP0C0F:02: legacy suspend [ 241.630426] pci_link PNP0C0F:01: legacy suspend [ 241.635217] pci_link PNP0C0F:00: legacy suspend [ 241.639987] button PNP0C0C:00: legacy suspend [ 241.644575] acpi PNP0C01:00: legacy suspend [ 241.648965] acpi device:24: legacy suspend [ 241.653303] acpi device:23: legacy suspend [ 241.657614] acpi device:22: legacy suspend [ 241.661925] acpi device:21: legacy suspend [ 241.666251] acpi device:20: legacy suspend [ 241.670537] acpi device:1f: legacy suspend [ 241.674874] acpi device:1e: legacy suspend [ 241.679168] acpi device:1d: legacy suspend [ 241.683463] acpi device:1c: legacy suspend [ 241.687791] acpi device:1b: legacy suspend [ 241.692102] acpi device:1a: legacy suspend [ 241.696438] acpi device:19: legacy suspend [ 241.700767] acpi device:18: legacy suspend [ 241.705095] acpi device:17: legacy suspend [ 241.709415] acpi device:16: legacy suspend [ 241.713773] acpi device:15: legacy suspend [ 241.718047] acpi device:14: legacy suspend [ 241.722330] acpi device:13: legacy suspend [ 241.726651] acpi device:12: legacy suspend [ 241.730925] acpi PNP0C02:05: legacy suspend [ 241.735369] acpi PNP0C02:04: legacy suspend [ 241.739767] acpi PNP0C02:03: legacy suspend [ 241.744198] acpi PNP0C02:02: legacy suspend [ 241.748597] acpi PNP0501:03: legacy suspend [ 241.753032] acpi PNP0501:02: legacy suspend [ 241.757420] acpi PNP0C02:01: legacy suspend [ 241.761808] acpi PNP0501:01: legacy suspend [ 241.766239] acpi PNP0501:00: legacy suspend [ 241.770636] acpi PNP0C04:00: legacy suspend [ 241.775052] acpi PNP0800:00: legacy suspend [ 241.779443] acpi PNP0F03:00: legacy suspend [ 241.783857] acpi PNP0303:00: legacy suspend [ 241.788320] acpi PNP0B00:00: legacy suspend [ 241.792746] acpi PNP0100:00: legacy suspend [ 241.797121] acpi PNP0200:00: legacy suspend [ 241.801558] acpi PNP0000:00: legacy suspend [ 241.805973] acpi device:11: legacy suspend [ 241.810262] acpi device:10: legacy suspend [ 241.814600] acpi device:0f: legacy suspend [ 241.818883] acpi device:0e: legacy suspend [ 241.823213] acpi device:0d: legacy suspend [ 241.827524] acpi device:0c: legacy suspend [ 241.831825] acpi device:0b: legacy suspend [ 241.836163] acpi device:0a: legacy suspend [ 241.840464] acpi device:09: legacy suspend [ 241.844814] acpi device:08: legacy suspend [ 241.849113] acpi device:07: legacy suspend [ 241.853434] acpi device:06: legacy suspend [ 241.857754] acpi device:05: legacy suspend [ 241.862064] acpi device:04: legacy suspend [ 241.866399] acpi device:03: legacy suspend [ 241.870737] acpi device:02: legacy suspend [ 241.875066] acpi device:01: legacy suspend [ 241.879386] acpi PNP0C02:00: legacy suspend [ 241.883820] acpi device:00: legacy suspend [ 241.888135] pci_root PNP0A03:00: legacy suspend [ 241.892920] acpi LNXSYBUS:00: legacy suspend [ 241.897412] processor LNXCPU:01: legacy suspend [ 241.902183] processor LNXCPU:00: legacy suspend [ 241.906968] acpi LNXSYSTM:00: legacy suspend [ 241.911502] hub 6-0:1.0: suspend [ 241.914928] usb usb6: type suspend, may wakeup [ 241.919583] usb usb6: usb_suspend_both: status 0 [ 241.924448] usb usb6: suspend, may wakeup [ 241.928663] hub 5-0:1.0: suspend [ 241.932082] usb usb5: type suspend, may wakeup [ 241.936794] usb usb5: usb_suspend_both: status 0 [ 241.941669] usb usb5: suspend, may wakeup [ 241.945888] hub 4-0:1.0: suspend [ 241.949294] usb usb4: type suspend, may wakeup [ 241.953966] usb usb4: usb_suspend_both: status 0 [ 241.958814] usb usb4: suspend, may wakeup [ 241.963069] hub 3-0:1.0: suspend [ 241.966452] usb usb3: type suspend, may wakeup [ 241.971126] usb usb3: usb_suspend_both: status 0 [ 241.976015] usb usb3: suspend, may wakeup [ 241.980232] hub 2-0:1.0: suspend [ 241.983662] usb usb2: type suspend, may wakeup [ 241.988316] usb usb2: usb_suspend_both: status 0 [ 241.993192] usb usb2: suspend, may wakeup [ 241.997418] hub 1-0:1.0: suspend [ 242.000845] scsi host5: legacy suspend [ 242.004816] scsi host4: legacy suspend [ 242.008763] sd 2:0:0:0: legacy suspend [ 242.012724] sd 2:0:0:0: [sdc] Synchronizing SCSI cache [ 242.018225] sd 1:0:0:0: legacy suspend [ 242.022183] sd 1:0:0:0: [sdb] Synchronizing SCSI cache [ 242.027659] sd 2:0:0:0: [sdc] Stopping disk [ 242.032043] sd 1:0:0:0: [sdb] Stopping disk [ 242.036463] sd 0:0:0:0: legacy suspend [ 242.040388] sd 0:0:0:0: [sda] Synchronizing SCSI cache [ 242.045841] scsi host3: legacy suspend [ 242.049785] sd 0:0:0:0: [sda] Stopping disk [ 242.054264] tg3 0000:03:00.0: suspend, may wakeup [ 242.059237] tg3 0000:02:00.0: suspend, may wakeup [ 242.064265] radeon 0000:01:05.0: suspend [ 242.069414] radeon 0000:01:05.0: PCI INT A disabled [ 242.074573] k8temp 0000:00:18.3: suspend [ 242.078705] pci 0000:00:18.2: suspend [ 242.082574] pci 0000:00:18.1: suspend [ 242.086415] pci 0000:00:18.0: suspend [ 242.090250] ATI IXP AC97 controller 0000:00:14.5: suspend [ 242.096176] ATI IXP AC97 controller 0000:00:14.5: PCI INT B disabled [ 242.102879] pci 0000:00:14.4: suspend [ 242.106732] pci 0000:00:14.3: suspend [ 242.110584] pata_atiixp 0000:00:14.1: suspend [ 242.115193] pata_atiixp 0000:00:14.1: Suspending ATA host device ... [ 242.121882] pci 0000:00:14.0: suspend [ 242.125768] ehci_hcd 0000:00:13.5: suspend [ 242.130076] ehci_hcd 0000:00:13.5: PCI INT D disabled [ 242.135410] ohci_hcd 0000:00:13.4: suspend [ 242.139696] ohci_hcd 0000:00:13.4: PCI INT C disabled [ 242.145035] ohci_hcd 0000:00:13.3: suspend [ 242.149348] ohci_hcd 0000:00:13.3: PCI INT B disabled [ 242.154705] ohci_hcd 0000:00:13.2: suspend [ 242.159012] ohci_hcd 0000:00:13.2: PCI INT C disabled [ 242.164342] ohci_hcd 0000:00:13.1: suspend [ 242.168676] ohci_hcd 0000:00:13.1: PCI INT B disabled [ 242.174066] pata_atiixp 0000:00:14.1: Saving PCI state ... [ 242.179885] pata_atiixp 0000:00:14.1: Disabling PCI device ... [ 242.186031] pata_atiixp 0000:00:14.1: PCI INT A disabled [ 242.191624] pata_atiixp 0000:00:14.1: Switching PCI device to D3hot... [ 242.198489] pata_atiixp 0000:00:14.1: Done suspending :) [ 242.204075] pcieport 0000:00:06.0: suspend [ 242.208357] pcieport 0000:00:05.0: suspend [ 242.212693] pci 0000:00:01.0: suspend [ 242.216521] pci 0000:00:00.0: suspend [ 242.985841] scsi target1:0:0: legacy suspend [ 242.990342] scsi host1: legacy suspend [ 243.025081] scsi target0:0:0: legacy suspend [ 243.029566] scsi host0: legacy suspend [ 243.061680] scsi target2:0:0: legacy suspend [ 243.066199] scsi host2: legacy suspend [ 243.070126] ahci 0000:00:12.0: suspend [ 243.173296] ahci 0000:00:12.0: PCI INT A disabled ^ blocked here for already over 15 minutes I guess here PM is waiting for ohci_hcd 0000:00:13.0 to suspend and disable its interrupt. (and that last ohci device would match the usbhid_resume thread that's frozen...) Note, that same keyboard connected to a single-code VIA system (!CONFIG_SMP) does not prevent suspend over there. For keyboard details, see http://lkml.org/lkml/2010/2/8/211 At this point I can toggle caps LED via USB keyboard but PS2 keyboard is already suspended and does not respond anymore. A dump of all processes that I think are pertinent (sysrq-t via the USB keyboard): [ 1777.641295] khubd D 0000000000000004 0 922 2 0x00000000 [ 1777.641295] ffff88007a21dcd0 0000000000000046 ffff88007a21dfd8 ffff8800798de820 [ 1777.641295] ffff88007a21dfd8 ffff88007a21dfd8 00000000000129c0 00000000000129c0 [ 1777.641295] ffff8800798de820 ffff88007cebe820 ffff88007a21dfd8 ffff88007a21dfd8 [ 1777.641295] Call Trace: [ 1777.641295] [<ffffffff8105d765>] refrigerator+0x95/0xf0 [ 1777.641295] [<ffffffffa004cb39>] hub_thread+0xa9/0x1720 [usbcore] [ 1777.641295] [<ffffffff8103a179>] ? select_task_rq_fair+0x509/0x7f0 [ 1777.641295] [<ffffffff81055e90>] ? autoremove_wake_function+0x0/0x40 [ 1777.641295] [<ffffffffa004ca90>] ? hub_thread+0x0/0x1720 [usbcore] [ 1777.641295] [<ffffffff810559be>] kthread+0x8e/0xa0 [ 1777.641295] [<ffffffff81003a94>] kernel_thread_helper+0x4/0x10 [ 1777.641295] [<ffffffff81055930>] ? kthread+0x0/0xa0 [ 1777.641295] [<ffffffff81003a90>] ? kernel_thread_helper+0x0/0x10 [ 1777.641295] usbhid_resume D ffff88007a0f7fd8 0 1148 2 0x00000000 [ 1777.641295] ffff88007a0f7e20 0000000000000046 ffff88007a0f7fd8 ffff88007cec8040 [ 1777.641295] ffff88007a0f7fd8 ffff88007a0f7fd8 00000000000129c0 00000000000129c0 [ 1777.641295] ffff88007cec8040 ffff8800798de820 ffff88007a0f7fd8 ffff88007a0f7fd8 [ 1777.641295] Call Trace: [ 1777.641295] [<ffffffff8105d765>] refrigerator+0x95/0xf0 [ 1777.641295] [<ffffffff81051a16>] worker_thread+0xc6/0x1e0 [ 1777.641295] [<ffffffff81055e90>] ? autoremove_wake_function+0x0/0x40 [ 1777.641295] [<ffffffff81051950>] ? worker_thread+0x0/0x1e0 [ 1777.641295] [<ffffffff810559be>] kthread+0x8e/0xa0 [ 1777.641295] [<ffffffff81003a94>] kernel_thread_helper+0x4/0x10 [ 1777.641295] [<ffffffff81055930>] ? kthread+0x0/0xa0 [ 1777.641295] [<ffffffff81003a90>] ? kernel_thread_helper+0x0/0x10 [ 1777.641295] async/0 R running task 0 2211 2 0x00000008 [ 1777.641295] ffff88007a08be70 ffffffff8130a504 0000000000000246 ffff88007a3398c0 [ 1777.641295] ffff88007a08bee0 ffffffff8105c772 0000000000000000 ffff88007cdf9820 [ 1777.641295] ffffffff81037620 ffff88007ce13ea8 ffff88007993fe98 0000000000000001 [ 1777.641295] Call Trace: [ 1777.641295] [<ffffffff8130a504>] ? async_suspend+0x24/0x60 [ 1777.641295] [<ffffffff8105c772>] async_thread+0x112/0x280 [ 1777.641295] [<ffffffff81037620>] ? default_wake_function+0x0/0x10 [ 1777.641295] [<ffffffff8105c660>] ? async_thread+0x0/0x280 [ 1777.641295] [<ffffffff810559be>] kthread+0x8e/0xa0 [ 1777.641295] [<ffffffff81003a94>] kernel_thread_helper+0x4/0x10 [ 1777.641295] [<ffffffff81055930>] ? kthread+0x0/0xa0 [ 1777.641295] [<ffffffff81003a90>] ? kernel_thread_helper+0x0/0x10 [ 1777.641295] async/1 D 0000000000000000 0 2212 2 0x00000000 [ 1777.641295] ffff88007993fc80 0000000000000046 ffff88007993ffd8 ffff88007cdd8820 [ 1777.641295] ffff88007993ffd8 ffff88007993ffd8 00000000000129c0 00000000000129c0 [ 1777.641295] ffff88007cdd8820 ffff88007cdba820 0000000000000010 0000000000000246 [ 1777.641295] Call Trace: [ 1777.641295] [<ffffffff8146838d>] schedule_timeout+0x19d/0x230 [ 1777.641295] [<ffffffff81467961>] wait_for_common+0xe1/0x170 [ 1777.641295] [<ffffffff81037620>] ? default_wake_function+0x0/0x10 [ 1777.641295] [<ffffffff813092f0>] ? dpm_wait_fn+0x0/0x40 [ 1777.641295] [<ffffffff81467a88>] wait_for_completion+0x18/0x20 [ 1777.641295] [<ffffffff8130931f>] dpm_wait_fn+0x2f/0x40 [ 1777.641295] [<ffffffff81302188>] device_for_each_child+0x48/0x70 [ 1777.641295] [<ffffffff81309e68>] __device_suspend+0x38/0x1e0 [ 1777.641295] [<ffffffff8130a504>] async_suspend+0x24/0x60 [ 1777.641295] [<ffffffff8105c772>] async_thread+0x112/0x280 [ 1777.641295] [<ffffffff81037620>] ? default_wake_function+0x0/0x10 [ 1777.641295] [<ffffffff8105c660>] ? async_thread+0x0/0x280 [ 1777.641295] [<ffffffff810559be>] kthread+0x8e/0xa0 [ 1777.641295] [<ffffffff81003a94>] kernel_thread_helper+0x4/0x10 [ 1777.641295] [<ffffffff81055930>] ? kthread+0x0/0xa0 [ 1777.641295] [<ffffffff81003a90>] ? kernel_thread_helper+0x0/0x10 [ 1777.641295] async/2 D 0000000000000000 0 2213 2 0x00000000 [ 1777.641295] ffff88007b737c80 0000000000000046 ffff88007b737fd8 ffff88007cec3040 [ 1777.641295] ffff88007b737fd8 ffff88007b737fd8 00000000000129c0 00000000000129c0 [ 1777.641295] ffff88007cec3040 ffff88007cf32040 000000000000000f 000000000000002a [ 1777.641295] Call Trace: [ 1777.641295] [<ffffffff8146838d>] schedule_timeout+0x19d/0x230 [ 1777.641295] [<ffffffff81467961>] wait_for_common+0xe1/0x170 [ 1777.641295] [<ffffffff81037620>] ? default_wake_function+0x0/0x10 [ 1777.641295] [<ffffffff813092f0>] ? dpm_wait_fn+0x0/0x40 [ 1777.641295] [<ffffffff81467a88>] wait_for_completion+0x18/0x20 [ 1777.641295] [<ffffffff8130931f>] dpm_wait_fn+0x2f/0x40 [ 1777.641295] [<ffffffff81302188>] device_for_each_child+0x48/0x70 [ 1777.641295] [<ffffffff81309e68>] __device_suspend+0x38/0x1e0 [ 1777.641295] [<ffffffff8130a504>] async_suspend+0x24/0x60 [ 1777.641295] [<ffffffff8105c772>] async_thread+0x112/0x280 [ 1777.641295] [<ffffffff81037620>] ? default_wake_function+0x0/0x10 [ 1777.641295] [<ffffffff8105c660>] ? async_thread+0x0/0x280 [ 1777.641295] [<ffffffff810559be>] kthread+0x8e/0xa0 [ 1777.641295] [<ffffffff81003a94>] kernel_thread_helper+0x4/0x10 [ 1777.641295] [<ffffffff81055930>] ? kthread+0x0/0xa0 [ 1777.641295] [<ffffffff81003a90>] ? kernel_thread_helper+0x0/0x10 [ 1777.641295] async/12 D 0000000000000000 0 2223 2 0x00000000 [ 1777.641295] ffff88007a37db60 0000000000000046 ffff88007a37dfd8 ffff88007c531820 [ 1777.641295] ffff88007a37dfd8 ffff88007a37dfd8 00000000000129c0 00000000000129c0 [ 1777.641295] ffff88007c531820 ffff88007c53a040 0000000000000035 ffffffff812fd610 [ 1777.641295] Call Trace: [ 1777.641295] [<ffffffff812fd610>] ? serial8250_console_putchar+0x0/0x40 [ 1777.641295] [<ffffffff8146838d>] schedule_timeout+0x19d/0x230 [ 1777.641295] [<ffffffff8138d658>] ? pci_conf1_read+0xd8/0x110 [ 1777.641295] [<ffffffff81467961>] wait_for_common+0xe1/0x170 [ 1777.641295] [<ffffffff81037620>] ? default_wake_function+0x0/0x10 [ 1777.641295] [<ffffffff81467a88>] wait_for_completion+0x18/0x20 [ 1777.641295] [<ffffffff81051d43>] flush_cpu_workqueue+0x53/0x80 [ 1777.641295] [<ffffffff81051e40>] ? wq_barrier_func+0x0/0x10 [ 1777.641295] [<ffffffff81051f94>] flush_workqueue+0x44/0x70 [ 1777.641295] [<ffffffff81051fd0>] flush_scheduled_work+0x10/0x20 [ 1777.641295] [<ffffffffa0014229>] tg3_suspend+0x59/0x270 [tg3] [ 1777.641295] [<ffffffff811d036f>] pci_pm_suspend+0x6f/0x1a0 [ 1777.641295] [<ffffffff81309a96>] pm_op+0x76/0xd0 [ 1777.641295] [<ffffffff81309f77>] __device_suspend+0x147/0x1e0 [ 1777.641295] [<ffffffff8130a504>] async_suspend+0x24/0x60 [ 1777.641295] [<ffffffff8105c772>] async_thread+0x112/0x280 [ 1777.641295] [<ffffffff81037620>] ? default_wake_function+0x0/0x10 [ 1777.641295] [<ffffffff8105c660>] ? async_thread+0x0/0x280 [ 1777.641295] [<ffffffff810559be>] kthread+0x8e/0xa0 [ 1777.641295] [<ffffffff81003a94>] kernel_thread_helper+0x4/0x10 [ 1777.641295] [<ffffffff81055930>] ? kthread+0x0/0xa0 [ 1777.641295] [<ffffffff81003a90>] ? kernel_thread_helper+0x0/0x10 [ 1777.641295] async/14 D 0000000000000000 0 2225 2 0x00000000 [ 1777.641295] ffff8800784f7c80 0000000000000046 ffff8800784f7fd8 ffff88007cf49820 [ 1777.641295] ffff8800784f7fd8 ffff8800784f7fd8 00000000000129c0 00000000000129c0 [ 1777.641295] ffff88007cf49820 ffff88007c53a040 0000000000000010 0000000000000246 [ 1777.641295] Call Trace: [ 1777.641295] [<ffffffff8146838d>] schedule_timeout+0x19d/0x230 [ 1777.641295] [<ffffffff81467961>] wait_for_common+0xe1/0x170 [ 1777.641295] [<ffffffff811d5b10>] ? suspend_iter+0x0/0x40 [ 1777.641295] [<ffffffff81037620>] ? default_wake_function+0x0/0x10 [ 1777.641295] [<ffffffff813092f0>] ? dpm_wait_fn+0x0/0x40 [ 1777.641295] [<ffffffff81467a88>] wait_for_completion+0x18/0x20 [ 1777.641295] [<ffffffff8130931f>] dpm_wait_fn+0x2f/0x40 [ 1777.641295] [<ffffffff81302188>] device_for_each_child+0x48/0x70 [ 1777.641295] [<ffffffff81309e68>] __device_suspend+0x38/0x1e0 [ 1777.641295] [<ffffffff8130a504>] async_suspend+0x24/0x60 [ 1777.641295] [<ffffffff8105c772>] async_thread+0x112/0x280 [ 1777.641295] [<ffffffff81037620>] ? default_wake_function+0x0/0x10 [ 1777.641295] [<ffffffff8105c660>] ? async_thread+0x0/0x280 [ 1777.641295] [<ffffffff810559be>] kthread+0x8e/0xa0 [ 1777.641295] [<ffffffff81003a94>] kernel_thread_helper+0x4/0x10 [ 1777.641295] [<ffffffff81055930>] ? kthread+0x0/0xa0 [ 1777.641295] [<ffffffff81003a90>] ? kernel_thread_helper+0x0/0x10 [ 1777.641295] async/15 D 0000000000000000 0 2226 2 0x00000000 [ 1777.641295] ffff88007912dc80 0000000000000046 ffff88007912dfd8 ffff88007cf3c820 [ 1777.641295] ffff88007912dfd8 ffff88007912dfd8 00000000000129c0 00000000000129c0 [ 1777.641295] ffff88007cf3c820 ffff88007c53a040 0000000000000002 0000000000000113 [ 1777.641295] Call Trace: [ 1777.641295] [<ffffffff8146838d>] schedule_timeout+0x19d/0x230 [ 1777.641295] [<ffffffff811f661c>] ? acpi_pci_irq_lookup+0x42/0x1b1 [ 1777.641295] [<ffffffff811f67ff>] ? acpi_pci_irq_disable+0x74/0x7d [ 1777.641295] [<ffffffff81467961>] wait_for_common+0xe1/0x170 [ 1777.641295] [<ffffffff81037620>] ? default_wake_function+0x0/0x10 [ 1777.641295] [<ffffffff813092f0>] ? dpm_wait_fn+0x0/0x40 [ 1777.641295] [<ffffffff81467a88>] wait_for_completion+0x18/0x20 [ 1777.641295] [<ffffffff8130931f>] dpm_wait_fn+0x2f/0x40 [ 1777.641295] [<ffffffff81302188>] device_for_each_child+0x48/0x70 [ 1777.641295] [<ffffffff81309e68>] __device_suspend+0x38/0x1e0 [ 1777.641295] [<ffffffff8130a504>] async_suspend+0x24/0x60 [ 1777.641295] [<ffffffff8105c772>] async_thread+0x112/0x280 [ 1777.641295] [<ffffffff81037620>] ? default_wake_function+0x0/0x10 [ 1777.641295] [<ffffffff8105c660>] ? async_thread+0x0/0x280 [ 1777.641295] [<ffffffff810559be>] kthread+0x8e/0xa0 [ 1777.641295] [<ffffffff81003a94>] kernel_thread_helper+0x4/0x10 [ 1777.641295] [<ffffffff81055930>] ? kthread+0x0/0xa0 [ 1777.641295] [<ffffffff81003a90>] ? kernel_thread_helper+0x0/0x10 [ 1777.641295] async/16 D 0000000000000000 0 2227 2 0x00000000 [ 1777.641295] ffff880079b89c80 0000000000000046 ffff880079b89fd8 ffff88007a8d3820 [ 1777.641295] ffff880079b89fd8 ffff880079b89fd8 00000000000129c0 00000000000129c0 [ 1777.641295] ffff88007a8d3820 ffff88007c53a040 000000000000000f 000000000000002f [ 1777.641295] Call Trace: [ 1777.641295] [<ffffffff8146838d>] schedule_timeout+0x19d/0x230 [ 1777.641295] [<ffffffff81467961>] wait_for_common+0xe1/0x170 [ 1777.641295] [<ffffffff81037620>] ? default_wake_function+0x0/0x10 [ 1777.641295] [<ffffffff813092f0>] ? dpm_wait_fn+0x0/0x40 [ 1777.641295] [<ffffffff81467a88>] wait_for_completion+0x18/0x20 [ 1777.641295] [<ffffffff8130931f>] dpm_wait_fn+0x2f/0x40 [ 1777.641295] [<ffffffff81302188>] device_for_each_child+0x48/0x70 [ 1777.641295] [<ffffffff81309e68>] __device_suspend+0x38/0x1e0 [ 1777.641295] [<ffffffff8130a504>] async_suspend+0x24/0x60 [ 1777.641295] [<ffffffff8105c772>] async_thread+0x112/0x280 [ 1777.641295] [<ffffffff81037620>] ? default_wake_function+0x0/0x10 [ 1777.641295] [<ffffffff8105c660>] ? async_thread+0x0/0x280 [ 1777.641295] [<ffffffff810559be>] kthread+0x8e/0xa0 [ 1777.641295] [<ffffffff81003a94>] kernel_thread_helper+0x4/0x10 [ 1777.641295] [<ffffffff81055930>] ? kthread+0x0/0xa0 [ 1777.641295] [<ffffffff81003a90>] ? kernel_thread_helper+0x0/0x10 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
From: Alan Stern on 3 May 2010 16:20
On Mon, 3 May 2010, Bruno [UTF-8] Prémont wrote: > On Mon, 03 May 2010 Alan Stern <stern(a)rowland.harvard.edu> wrote: > > You might also want to #define VERBOSE_DEBUG at the start of > > drivers/usb/core/driver.c, before the first #include. > > Still no difference... (will retry with own printk's in ohci's suspend > code as suggested in other mail) First of all, have you tried disabling async suspend? Look at /sys/power/pm_async. > Suspend output as it goes: Let's just look at the USB entries: > [ 241.358651] usb usb1: preparing type suspend, may wakeup > [ 241.364247] usb usb2: preparing type suspend, may wakeup > [ 241.369847] usb usb3: preparing type suspend, may wakeup > [ 241.375443] usb usb4: preparing type suspend, may wakeup > [ 241.381044] usb usb5: preparing type suspend, may wakeup > [ 241.386643] usb usb6: preparing type suspend, may wakeup > [ 241.392244] usb 1-2: preparing type suspend, may wakeup > [ 241.397762] usb 1-2.1: preparing type suspend, may wakeup Those are normal. > [ 241.407504] usbhid 1-2.1:1.1: suspend > [ 241.407511] usbhid 1-2.1:1.0: suspend These are HID suspends for the keyboard and mouse interfaces. > [ 241.407516] usb 1-2.1: type suspend, may wakeup This is a USB suspend for the KB/mouse device. > [ 241.443340] hub 1-2:1.0: suspend Suspend for the embedded hub interface. Next we should see [....] usb 1-2: type suspend, may wakeup for the embedded hub device, but we don't. That's the problem. It must be waiting for something -- goodness knows what. > [ 241.911502] hub 6-0:1.0: suspend > [ 241.914928] usb usb6: type suspend, may wakeup > [ 241.919583] usb usb6: usb_suspend_both: status 0 > [ 241.924448] usb usb6: suspend, may wakeup > [ 241.928663] hub 5-0:1.0: suspend > [ 241.932082] usb usb5: type suspend, may wakeup > [ 241.936794] usb usb5: usb_suspend_both: status 0 > [ 241.941669] usb usb5: suspend, may wakeup > [ 241.945888] hub 4-0:1.0: suspend > [ 241.949294] usb usb4: type suspend, may wakeup > [ 241.953966] usb usb4: usb_suspend_both: status 0 > [ 241.958814] usb usb4: suspend, may wakeup > [ 241.963069] hub 3-0:1.0: suspend > [ 241.966452] usb usb3: type suspend, may wakeup > [ 241.971126] usb usb3: usb_suspend_both: status 0 > [ 241.976015] usb usb3: suspend, may wakeup > [ 241.980232] hub 2-0:1.0: suspend > [ 241.983662] usb usb2: type suspend, may wakeup > [ 241.988316] usb usb2: usb_suspend_both: status 0 > [ 241.993192] usb usb2: suspend, may wakeup > [ 241.997418] hub 1-0:1.0: suspend And here we should see [....] usb usb1: type suspend, may wakeup etc. but we don't, because it's waiting for the 1-2 device. > [ 242.125768] ehci_hcd 0000:00:13.5: suspend > [ 242.130076] ehci_hcd 0000:00:13.5: PCI INT D disabled > [ 242.135410] ohci_hcd 0000:00:13.4: suspend > [ 242.139696] ohci_hcd 0000:00:13.4: PCI INT C disabled > [ 242.145035] ohci_hcd 0000:00:13.3: suspend > [ 242.149348] ohci_hcd 0000:00:13.3: PCI INT B disabled > [ 242.154705] ohci_hcd 0000:00:13.2: suspend > [ 242.159012] ohci_hcd 0000:00:13.2: PCI INT C disabled > [ 242.164342] ohci_hcd 0000:00:13.1: suspend > [ 242.168676] ohci_hcd 0000:00:13.1: PCI INT B disabled > I guess here PM is waiting for ohci_hcd 0000:00:13.0 to suspend > and disable its interrupt. > (and that last ohci device would match the usbhid_resume thread that's > frozen...) The 0000:00:13.0 device can't suspend until usb1 does, and usb1 can't suspend until 1-2 does. Can you boot the dmesg log for bootup and device detection? It may indicate what we're missing. Also include the contents of /sys/kernel/debug/usb/devices. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo(a)vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ |