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From: Christian Borntraeger <borntraeger@de.ibm.com>
To: Dave Airlie <airlied@linux.ie>, Ben Skeggs <bskeggs@redhat.com>
Cc: torvalds@linux-foundation.org, dri-devel@lists.sf.net,
	linux-kernel@vger.kernel.org,
	Maarten Maathuis <madman2003@gmail.com>,
	Marcin Slusarz <marcin.slusarz@gmail.com>
Subject: Re: [git pull] drm
Date: Mon, 15 Feb 2010 23:55:03 +0100	[thread overview]
Message-ID: <201002152355.03161.borntraeger@de.ibm.com> (raw)
In-Reply-To: <201002151053.48681.borntraeger@de.ibm.com>

Am Montag 15 Februar 2010 10:53:48 schrieb Christian Borntraeger:
I think this regression is triggered by

commit 39c9bfb453b748ce220ceefacbe2a5c19fabf67b
Author: Ben Skeggs <bskeggs@redhat.com>
Date:   Tue Feb 9 10:22:29 2010 +1000

    drm/nv50: prevent multiple init tables being parsed at the same time

One possible solution is to replace the spinlock bios->lock with a mutex, 
but there are others ways of fixing this BUG.

CCing Ben.



> [    2.175437] BUG: scheduling while atomic: nouveau/0/753/0x00000002                                                                                                       
> [    2.175439] Modules linked in:                                                                                                                                           
> [    2.175442] Pid: 753, comm: nouveau/0 Not tainted 2.6.33-rc8-prerelease #27                                                                                              
> [    2.175443] Call Trace:                                                                                                                                                  
> [    2.175451]  [<ffffffff815dcdea>] ? schedule+0x86a/0x880                                                                                                                 
> [    2.175454]  [<ffffffff8120a420>] ? vsnprintf+0xe0/0x9a0                                                                                                                 
> [    2.175456]  [<ffffffff815dd18c>] ? schedule_timeout+0x15c/0x250                                                                                                         
> [    2.175460]  [<ffffffff81068570>] ? process_timeout+0x0/0x10                                                                                                             
> [    2.175462]  [<ffffffff81069068>] ? msleep+0x18/0x30                                                                                                                     
> [    2.175466]  [<ffffffff812d48d1>] ? init_time+0x51/0x90                                                                                                                  
> [    2.175468]  [<ffffffff812d3ffb>] ? parse_init_table+0xcb/0x1a0                                                                                                          
> [    2.175470]  [<ffffffff812d424a>] ? init_sub_direct+0x4a/0xd0                                                                                                            
> [    2.175472]  [<ffffffff812d3ffb>] ? parse_init_table+0xcb/0x1a0                                                                                                          
> [    2.175474]  [<ffffffff812d496f>] ? nouveau_bios_run_init_table+0x5f/0xa0                                                                                                
> [    2.175476]  [<ffffffff812d4c0c>] ? nouveau_bios_run_display_table+0x25c/0x500                                                                                           
> [    2.175480]  [<ffffffff812fd220>] ? nv50_display_irq_handler_bh+0x0/0x410                                                                                                
> [    2.175483]  [<ffffffff812fd4cc>] ? nv50_display_irq_handler_bh+0x2ac/0x410                                                                                              
> [    2.175485]  [<ffffffff812fd220>] ? nv50_display_irq_handler_bh+0x0/0x410                                                                                                
> [    2.175487]  [<ffffffff8107047b>] ? worker_thread+0x16b/0x250                                                                                                            
> [    2.175490]  [<ffffffff81074240>] ? autoremove_wake_function+0x0/0x30                                                                                                    
> [    2.175492]  [<ffffffff81070310>] ? worker_thread+0x0/0x250                                                                                                              
> [    2.175494]  [<ffffffff81070310>] ? worker_thread+0x0/0x250                                                                                                              
> [    2.175496]  [<ffffffff81073dbe>] ? kthread+0x8e/0xa0                                                                                                                    
> [    2.175499]  [<ffffffff81027554>] ? kernel_thread_helper+0x4/0x10                                                                                                        
> [    2.175501]  [<ffffffff81073d30>] ? kthread+0x0/0xa0                                                                                                                     
> [    2.175503]  [<ffffffff81027550>] ? kernel_thread_helper+0x0/0x10                                                                                                        
> [    2.182407] Console: switching to colour frame buffer device 240x75                                                                                                      
> [    2.186632] fb0: nouveaufb frame buffer device                                                                                                                           
> [    2.186633] registered panic notifier                                                                                                                                    
> [    2.186636] [drm] Initialized nouveau 0.0.15 20090420 for 0000:01:00.0 on minor 0  
> ...
> 

  parent reply	other threads:[~2010-02-15 22:55 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-11  4:20 Dave Airlie
2010-02-15  9:53 ` Christian Borntraeger
2010-02-15 20:12   ` Marcin Slusarz
2010-02-15 20:39     ` Maarten Maathuis
2010-02-15 22:13       ` Marcin Slusarz
2010-02-15 22:55   ` Christian Borntraeger [this message]
2010-02-16  1:19     ` Ben Skeggs
2010-02-16 11:39       ` Christian Borntraeger
  -- strict thread matches above, loose matches on Subject: below --
2011-02-04  5:11 Dave Airlie
2010-01-11  4:52 Dave Airlie
2009-12-10  6:17 Dave Airlie
2009-12-10 15:17 ` Linus Torvalds
2009-12-10 15:40   ` Xavier Bestel
2009-12-10 16:24     ` Linus Torvalds
2009-12-10 17:40       ` Maarten Maathuis
2009-12-10 18:42         ` Linus Torvalds
2009-12-10 19:13           ` Pekka Enberg
2009-12-10 19:13           ` Robert Noland
2009-12-10 19:28           ` Alan Cox
2009-12-10 19:36           ` Jesse Barnes
2009-12-10 19:37           ` Dave Airlie
2009-12-10 19:45             ` Roland Dreier
2009-12-10 19:49           ` Pekka Paalanen
2009-12-10 20:35             ` Will Dyson
2009-12-10 21:12               ` Pekka Paalanen
2009-12-10 19:53           ` Stephane Marchesin
2009-12-10 23:37             ` Linus Torvalds
2009-12-10 23:50               ` Dave Airlie
2009-12-10 23:58               ` Alan Cox
2009-12-11  0:09                 ` Linus Torvalds
2009-12-11  0:20                   ` "C. Bergström"
2009-12-11  0:32                     ` Linus Torvalds
2009-12-11  0:47                       ` Dave Airlie
2009-12-11  1:34                       ` Kyle McMartin
2009-12-11  0:21                   ` Dave Airlie
2009-12-11  0:45                     ` Linus Torvalds
2009-12-11  9:18                   ` Alan Cox
2009-12-11  9:34                     ` David Miller
2009-12-11 10:15                       ` Andy Walls
2009-12-11 10:20                       ` Dave Airlie
2009-12-11 12:45                         ` tytso
2009-12-11 12:50                           ` Alan Cox
2009-12-11 10:28                     ` Jeff Garzik
2009-12-11 10:46                       ` Dave Airlie
2009-12-11 15:28                       ` Linus Torvalds
2009-12-11 17:49                         ` Jeff Garzik
2009-12-11 10:02                 ` Stephane Marchesin
2009-12-11 10:24                   ` Andy Walls
2009-12-10 16:47     ` Alan Cox
2009-12-10 21:49       ` Ingo Molnar
2009-09-29  3:52 Dave Airlie
2009-09-29  4:26 ` [git pull] drm Dave Airlie
2009-02-09  8:30 Dave Airlie
2009-01-07  1:59 Dave Airlie
2008-12-29  8:32 Dave Airlie
2009-01-04 19:19 ` Gabriel C
2009-01-10  2:03   ` Dave Airlie
2009-01-09 15:07 ` Richard Purdie
2009-01-09 18:03   ` Richard Purdie
2009-01-10  1:13     ` Richard Purdie
2009-01-10  2:04       ` Dave Airlie
2009-01-10  9:58         ` Richard Purdie
2009-01-10 23:04           ` Dave Airlie
2009-01-10 23:51             ` Richard Purdie
2009-01-16  6:53               ` Brice Goglin
2009-01-11  9:29   ` Graham Murray
2009-01-11  9:56     ` Dave Airlie

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