[DRM] BUG: sleeping function called from invalid context, drm_lastclose
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From: Luca Tettamanti on 11 Aug 2010 04:50 Hi Arnd, this commit: commit 58374713c9dfb4d231f8c56cac089f6fbdedc2ec Author: Arnd Bergmann <arnd(a)arndb.de> Date: Sat Jul 10 23:51:39 2010 +0200 drm: kill BKL from common code moved the call to (inside drm_release) drm_lastclose inside dev->count_lock spinlock. drm_lastclose however takes dev->struct_mutex (now inside an atomic context): BUG: sleeping function called from invalid context at /home/kronos/src/linux-2.6.git/kernel/mutex.c:94 in_atomic(): 1, irqs_disabled(): 0, pid: 3331, name: Xorg Pid: 3331, comm: Xorg Not tainted 2.6.35-06113-gf6cec0a #272 Call Trace: [<ffffffff8102770e>] __might_sleep+0xf8/0xfa [<ffffffff8127cf18>] mutex_lock+0x1f/0x3e [<ffffffffa052d1c1>] drm_lastclose+0x92/0x2ad [drm] [<ffffffffa052dbc7>] drm_release+0x5ca/0x60d [drm] [<ffffffff810b118f>] fput+0x130/0x1f7 [<ffffffff810ae77d>] filp_close+0x63/0x6d [<ffffffff810ae82f>] sys_close+0xa8/0xe2 [<ffffffff8100296b>] system_call_fastpath+0x16/0x1b Luca -- 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/ |