linux-kernel - Re: radeon causing sleeping function called from invalid context

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Date:	Thu, 7 Feb 2013 22:53:01 +0100
From:	Andreas Bombe <aeb@...ian.org>
To:	Sergey Senozhatsky <sergey.senozhatsky@...il.com>
Cc:	Dave Airlie <airlied@...hat.com>, Dave Jones <davej@...hat.com>,
	dri-devel@...ts.freedesktop.org,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: radeon causing sleeping function called from invalid context

On Sun, Jan 13, 2013 at 02:38:20PM +0300, Sergey Senozhatsky wrote:
> On (01/12/13 20:27), Dave Jones wrote:
> > BUG: sleeping function called from invalid context at mm/slub.c:925
> > in_atomic(): 1, irqs_disabled(): 0, pid: 566, name: Xorg
> > INFO: lockdep is turned off.
> > Pid: 566, comm: Xorg Not tainted 3.8.0-rc3+ #49
> > Call Trace:
> >  [<ffffffff81087ad1>] __might_sleep+0x141/0x200
> >  [<ffffffff8119eddb>] kmem_cache_alloc_trace+0x4b/0x2a0
> >  [<ffffffffa0083fb3>] ttm_bo_move_accel_cleanup+0x1d3/0x330 [ttm]
> >  [<ffffffffa00c5418>] radeon_move_blit.isra.4+0xf8/0x160 [radeon]
> >  [<ffffffffa00c5db0>] radeon_bo_move+0xb0/0x1f0 [radeon]
> >  [<ffffffffa00820ed>] ttm_bo_handle_move_mem+0x27d/0x5d0 [ttm]
> >  [<ffffffff8108dd51>] ? get_parent_ip+0x11/0x50
> >  [<ffffffffa0083307>] ttm_bo_move_buffer+0x127/0x140 [ttm]
> >  [<ffffffffa008717d>] ? ttm_eu_list_ref_sub+0x3d/0x60 [ttm]
> >  [<ffffffffa00833c2>] ttm_bo_validate+0xa2/0x120 [ttm]
> >  [<ffffffffa00c6f45>] radeon_bo_list_validate+0x75/0x90 [radeon]
> >  [<ffffffffa00dca22>] radeon_cs_ioctl+0x582/0x950 [radeon]
> >  [<ffffffffa002e573>] drm_ioctl+0x4d3/0x580 [drm]
> >  [<ffffffffa00dc4a0>] ? radeon_cs_finish_pages+0xf0/0xf0 [radeon]
> >  [<ffffffff811c49f9>] do_vfs_ioctl+0x99/0x5a0
> >  [<ffffffff812cd3d7>] ? file_has_perm+0x97/0xb0
> >  [<ffffffff81103715>] ? rcu_eqs_exit+0x65/0xb0
> >  [<ffffffff811c4f91>] sys_ioctl+0x91/0xb0
> >  [<ffffffff81695ad4>] tracesys+0xdd/0xe2
> > 
> 
> I see lots of these [mostly from page fault], the following one (quick and dirty) works for me.

Is that patch or any other fix being picked up? It's over three weeks
now and I'm still seeing those BUGs with the latest 3.8-rc.
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