On Wed, Jul 28, 2010 at 01:42:03AM -0400, Valdis.Kletnieks@xxxxxx wrote: > On Tue, 27 Jul 2010 14:56:50 PDT, akpm@xxxxxxxxxxxxxxxxxxxx said: > > The mm-of-the-moment snapshot 2010-07-27-14-56 has been uploaded to > > > > http://userweb.kernel.org/~akpm/mmotm/ > > Hit this while the X server was on its way down during a 'shutdown -r now'. Worked fine > in -rc5-mmotm0719. 'e16' is the Enlightenment window manager, if that matters. > > [ 93.181787] [drm:output_poll_execute] *ERROR* delayed enqueue failed 1 > [ 99.802836] [drm] nouveau 0000:01:00.0: Allocating FIFO number 4 > [ 99.808875] [drm] nouveau 0000:01:00.0: nouveau_channel_alloc: initialised FIFO 4 > [ 103.262226] [drm:output_poll_execute] *ERROR* delayed enqueue failed 1 > [ 113.341948] [drm:output_poll_execute] *ERROR* delayed enqueue failed 1 > [ 123.421836] [drm:output_poll_execute] *ERROR* delayed enqueue failed 1 > [ 123.550520] [drm] nouveau 0000:01:00.0: nouveau_channel_free: freeing fifo 4 > [ 123.551253] > [ 123.551253] ====================================================== > [ 123.551253] [ INFO: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected ] > [ 123.551253] 2.6.35-rc6-mmotm0727 #1 > [ 123.551253] ------------------------------------------------------ > [ 123.551253] e16/3822 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: > [ 123.551253] (&(&mm->unused_lock)->rlock){+.+...}, at: [<ffffffff812a94bc>] drm_mm_put_block+0x10e/0x142 > [ 123.551253] > [ 123.551253] and this task is already holding: > [ 123.551253] (&(&dev_priv->context_switch_lock)->rlock){-.....}, at: [<ffffffff812bdbab>] nouveau_channel_free+0x10f/0x233 > [ 123.551253] which would create a new lock dependency: > [ 123.551253] (&(&dev_priv->context_switch_lock)->rlock){-.....} -> (&(&mm->unused_lock)->rlock){+.+...} > [ 123.551253] It's only theoritcal issue. If you want to quiet it down until it will be "fixed" properly, you can apply patch from http://lists.freedesktop.org/archives/nouveau/2010-July/005994.html Marcin _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
