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Date:	Fri, 29 Aug 2008 23:57:07 +0200
From:	Volker Armin Hemmann <volker.armin.hemmann@...clausthal.de>
To:	linux-kernel@...r.kernel.org
Cc:	reiserfs-devel@...r.kernel.org
Subject: 2.6.26.3+reiser4 recursive fault/oops after screen blank in console and screen standby/screen off in X.

Hi,
the kernel is vanilla except reiser4-for-2.6.25 is patched in.

On thursday I created a raid 1 on my computer.

While the two disks were syncing I went shopping. Screen was blanked while I 
was away.When I came back, I got this:

[ 1841.979101] BUG: unable to handle kernel paging request at 0000100000000000                                                                                              
[ 1841.979154] IP: [<ffffffff8049c205>] _spin_lock+0x5/0x20                                                                                                                 
[ 1841.979189] PGD 0                                                                                                                                                        
[ 1841.979221] Oops: 0002 [1] SMP                                                                                                                                           
[ 1841.979268] CPU 1                                                                                                                                                        
[ 1841.979299] Modules linked in: raid1 sr_mod cdrom k8temp w83627ehf 
hwmon_vid hwmon i2c_nforce2 i2c_dev i2c_core usb_storage snd_seq_midi 
snd_emu10k1_synth snd_emux_synth snd_seq_virmidi snd_seq_midi_emul snd_pcm_oss 
snd_mixer_oss snd_seq_oss snd_seq_midi_event snd_seq mousedev snd_emu10k1 
snd_rawmidi firmware_class snd_ac97_codec ac97_bus snd_pcm snd_seq_device 
snd_timer snd_page_alloc snd_util_mem snd_hwdep snd soundcore ehci_hcd r8169                                                                         
[ 1841.979890] Pid: 1648, comm: nscd Not tainted 2.6.26.3r4 #3                                                                                                              
[ 1841.979908] RIP: 0010:[<ffffffff8049c205>]  [<ffffffff8049c205>] 
_spin_lock+0x5/0x20                                                                                     
[ 1841.979944] RSP: 0018:ffff81012b5d3c60  EFLAGS: 00010206                                                                                                                 
[ 1841.979961] RAX: 0000000000000100 RBX: 0000100000000000 RCX: 
00007fd0e916a000                                                                                            
[ 1841.979980] RDX: 00007fd0e916a000 RSI: ffff81012cab4c00 RDI: 
0000100000000000                                                                                            
[ 1841.979998] RBP: ffff81012e54b870 R08: ffff81012fb49460 R09: 
00000000ffffffff                                                                                            
[ 1841.980017] R10: 0000000000000001 R11: 0000000000000000 R12: 
00007fd0e915a000                                                                                            
[ 1841.980035] R13: 0000000000000000 R14: ffff81012b5d3cd0 R15: 
0000000000000000                                                                                            
[ 1841.980056] FS:  000000004139b950(0000) GS:ffff81012fc6bd40(0000) 
knlGS:00000000f7f89a10
[ 1841.980076] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[ 1841.980094] CR2: 0000100000000000 CR3: 000000012c6bb000 CR4: 
00000000000006e0
[ 1841.980112] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 
0000000000000000
[ 1841.980130] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 
0000000000000400
[ 1841.980149] Process nscd (pid: 1648, threadinfo ffff81012b5d2000, task 
ffff81012f6bb8d0)
[ 1841.980169] Stack:  ffffffff80280b62 ffff81012e54b870 ffff81012e54b870 
ffff81012e54b720
[ 1841.980261]  ffffffff8027a9d3 00007ffff87fefff ffff81012b5d3cd0 
ffff81012cae23d8
[ 1841.980339]  ffff81012e71af00 0000000000000000 ffff81012e6bb648 
ffff81012e6bae48
[ 1841.980401] Call Trace:
[ 1841.980436]  [<ffffffff80280b62>] ? anon_vma_unlink+0x22/0x80
[ 1841.980455]  [<ffffffff8027a9d3>] ? free_pgtables+0x53/0xb0
[ 1841.980474]  [<ffffffff8027c053>] ? exit_mmap+0x93/0x110
[ 1841.980494]  [<ffffffff8023231d>] ? mmput+0x2d/0xc0
[ 1841.980513]  [<ffffffff8023850c>] ? do_exit+0x19c/0x770
[ 1841.980533]  [<ffffffff80238b19>] ? do_group_exit+0x39/0xa0
[ 1841.980553]  [<ffffffff80242583>] ? get_signal_to_deliver+0x193/0x370
[ 1841.980573]  [<ffffffff8020b794>] ? sysret_signal+0x1c/0x27
[ 1841.980591]  [<ffffffff8020a950>] ? do_notify_resume+0x110/0x980
[ 1841.980611]  [<ffffffff80240665>] ? signal_wake_up+0x25/0x40
[ 1841.980630]  [<ffffffff802409ee>] ? send_signal+0x11e/0x2c0
[ 1841.980650]  [<ffffffff8023f03d>] ? sigprocmask+0x6d/0xf0
[ 1841.980669]  [<ffffffff8023f5e3>] ? sys_rt_sigprocmask+0x83/0x110
[ 1841.980688]  [<ffffffff8023f03d>] ? sigprocmask+0x6d/0xf0
[ 1841.980707]  [<ffffffff8020b794>] ? sysret_signal+0x1c/0x27
[ 1841.980725]  [<ffffffff8020ba17>] ? ptregscall_common+0x67/0xb0
[ 1841.980745]
[ 1841.980762]
[ 1841.980778] Code: 74 05 e8 ef 14 eb ff c3 66 66 66 66 66 2e 0f 1f 84 00 00 
00 00 00 fa f0 81 2f 00 00 00 01 74 05 e8 d1 14 eb ff c3 b8 00 01 00 00 <f0> 
66 0f c1 07 38 e0 74 06 f3 90 8a 07 eb f6 c3 66 66 2e 0f 1f
[ 1841.981717] RIP  [<ffffffff8049c205>] _spin_lock+0x5/0x20
[ 1841.981717]  RSP <ffff81012b5d3c60>
[ 1841.981717] CR2: 0000100000000000
[ 1841.983595] ---[ end trace 04a5b9909682865f ]---
[ 1841.983613] Fixing recursive fault but reboot is needed!

today I started a big emerge -u world and went away. This time in X with 
fglrx, so the kernel is tainted. Screen went into standby then off, when it 
woke up konsole from kde4.1 misbehaved, and I found this:

[ 6048.745502] BUG: unable to handle kernel paging request at ffffbd012682bcf0                                                            
[ 6048.745507] IP: [<ffffffff804a67c5>] _spin_lock+0x5/0x20                                                                               
[ 6048.745511] PGD 0                                                                                                                      
[ 6048.745513] Oops: 0002 [1] SMP                                                                                                         
[ 6048.745515] CPU 1                                                                                                                      
[ 6048.745516] Modules linked in: fglrx(P) k8temp w83627ehf hwmon_vid hwmon 
i2c_nforce2 i2c_dev i2c_core snd_seq_midi snd_emu10k1_synth snd_emux_synth 
snd_seq_virmidi snd_seq_midi_emul snd_pcm_oss snd_mixer_oss snd_seq_oss 
snd_seq_midi_event snd_seq snd_emu10k1 snd_rawmidi firmware_class 
snd_ac97_codec ac97_bus snd_pcm snd_seq_device snd_timer snd_page_alloc 
snd_util_mem snd_hwdep snd soundcore r8169 reiserfs ohci_hcd usb_storage 
ehci_hcd aic7xxx sr_mod cdrom scsi_wait_scan                                      
[ 6048.745532] Pid: 5729, comm: kio_http Tainted: P          2.6.26.3r4 #1                                                                                                  
[ 6048.745534] RIP: 0010:[<ffffffff804a67c5>]  [<ffffffff804a67c5>] 
_spin_lock+0x5/0x20                                                                                     
[ 6048.745537] RSP: 0018:ffff810040bfbe40  EFLAGS: 00010286                                                                                                                 
[ 6048.745538] RAX: 0000000000000100 RBX: ffffbd012682bcf0 RCX: 
0000003254a07000                                                                                            
[ 6048.745540] RDX: 0000003254a07000 RSI: ffff81012f885360 RDI: 
ffffbd012682bcf0                                                                                            
[ 6048.745541] RBP: ffff8100c34cb330 R08: ffff81012f885360 R09: 
00000000ffffffff                                                                                            
[ 6048.745543] R10: 0000000000000001 R11: 0000000000000589 R12: 
0000003254800000                                                                                            
[ 6048.745544] R13: 0000000000000000 R14: ffff810040bfbeb0 R15: 
0000000000000000                                                                                            
[ 6048.745545] FS:  00007fbab50fa750(0000) GS:ffff81012fc6bd40(0000) 
knlGS:0000000000000000                                                                                 
[ 6048.745547] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b                                                                                                            
[ 6048.745548] CR2: ffffbd012682bcf0 CR3: 0000000000201000 CR4: 
00000000000006e0                                                                                            
[ 6048.745549] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 
0000000000000000                                                                                            
[ 6048.745551] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 
0000000000000400                                                                                            
[ 6048.745552] Process kio_http (pid: 5729, threadinfo ffff810040bfa000, task 
ffff81012ff2b4e0)                                                                             
[ 6048.745554] Stack:  ffffffff80280b82 ffff8100c34cb330 ffff8100c34cb330 
ffff8100c34cb9c0                                                                                  
[ 6048.745556]  ffffffff8027a9f3 00007fffbd1fffff ffff810040bfbeb0 
ffff8100c4a7f720                                                                                         
[ 6048.745559]  ffff81012eed97c0 0000000000000000 00007fffbd141c9c 
00007fffbd1473f0                                                                                         
[ 6048.745561] Call Trace:                                                                                                                                                  
[ 6048.745564]  [<ffffffff80280b82>] ? anon_vma_unlink+0x22/0x80                                                                                                            
[ 6048.745566]  [<ffffffff8027a9f3>] ? free_pgtables+0x53/0xb0                                                                                                              
[ 6048.745569]  [<ffffffff8027c073>] ? exit_mmap+0x93/0x110                                                                                                                 
[ 6048.745572]  [<ffffffff8023233d>] ? mmput+0x2d/0xc0                                                                                                                      
[ 6048.745575]  [<ffffffff8023852c>] ? do_exit+0x19c/0x770                                                                                                                  
[ 6048.745578]  [<ffffffff8023f9ee>] ? sys_rt_sigaction+0x8e/0xd0                                                                                                           
[ 6048.745580]  [<ffffffff80238b39>] ? do_group_exit+0x39/0xa0                                                                                                              
[ 6048.745583]  [<ffffffff8020b70b>] ? system_call_after_swapgs+0x7b/0x80                                                                                                   
[ 6048.745587]                                                                                                                                                              
[ 6048.745587]                                                                                                                                                              
[ 6048.745588] Code: 74 05 e8 6f 6f ea ff c3 66 66 66 66 66 2e 0f 1f 84 00 00 
00 00 00 fa f0 81 2f 00 00 00 01 74 05 e8 51 6f ea ff c3 b8 00 01 00 00 <f0> 
66 0f c1 07 38 e0 74 06 f3 90 8a 07 eb f6 c3 66 66 2e 0f 1f                                                                                                                                  
[ 6048.745602] RIP  [<ffffffff804a67c5>] _spin_lock+0x5/0x20                                                                                                                
[ 6048.745605]  RSP <ffff810040bfbe40>                                                                                                                                      
[ 6048.745606] CR2: ffffbd012682bcf0                                                                                                                                        
[ 6048.745611] ---[ end trace 9a849e48577fe237 ]---                                                                                                                         
[ 6048.745612] Fixing recursive fault but reboot is needed!                                                                                                                 
[23041.829591] BUG: unable to handle kernel paging request at 0000040000000000                                                                                              
[23041.829591] IP: [<ffffffff804a67c5>] _spin_lock+0x5/0x20                                                                                                                 
[23041.829591] PGD 0                                                                                                                                                        
[23041.829591] Oops: 0002 [2] SMP                                                                                                                                           
[23041.829591] CPU 0                                                                                                                                                        
[23041.829591] Modules linked in: fglrx(P) k8temp w83627ehf hwmon_vid hwmon 
i2c_nforce2 i2c_dev i2c_core snd_seq_midi snd_emu10k1_synth snd_emux_synth 
snd_seq_virmidi snd_seq_midi_emul snd_pcm_oss snd_mixer_oss snd_seq_oss 
snd_seq_midi_event snd_seq snd_emu10k1 snd_rawmidi firmware_class 
snd_ac97_codec ac97_bus snd_pcm snd_seq_device snd_timer snd_page_alloc 
snd_util_mem snd_hwdep snd soundcore r8169 reiserfs ohci_hcd usb_storage 
ehci_hcd aic7xxx sr_mod cdrom scsi_wait_scan
[23041.829591] Pid: 6682, comm: zsh Tainted: P      D   2.6.26.3r4 #1
[23041.829591] RIP: 0010:[<ffffffff804a67c5>]  [<ffffffff804a67c5>] 
_spin_lock+0x5/0x20
[23041.829591] RSP: 0018:ffff81010cc35df0  EFLAGS: 00010206
[23041.829591] RAX: 0000000000000100 RBX: 0000040000000000 RCX: 
0000000000000000
[23041.829591] RDX: ffff81012fc21c00 RSI: ffff8101104c9918 RDI: 
0000040000000000
[23041.829591] RBP: ffff810053a95f00 R08: ffff810053a952b8 R09: 
0000000000000001
[23041.829591] R10: 0000000000000000 R11: 0000000000000076 R12: 
0000000000000000
[23041.829591] R13: ffff81012d909c40 R14: ffff8101104c9870 R15: 
0000000000000015
[23041.829591] FS:  00007f19b0dc36f0(0000) GS:ffffffff80598000(0000) 
knlGS:0000000000000000
[23041.829591] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[23041.829591] CR2: 0000040000000000 CR3: 0000000112338000 CR4: 
00000000000006e0
[23041.829591] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 
0000000000000000
[23041.829591] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 
0000000000000400
[23041.829591] Process zsh (pid: 6682, threadinfo ffff81010cc34000, task 
ffff81012fcc7690)
[23041.829591] Stack:  ffffffff8027fd22 ffff81003bb3cf80 ffff810053a95f00 
ffff81003bb3cf80
[23041.829591]  ffffffff802328a7 ffff810053a95600 ffff810053a95608 
ffff810053a955e8
[23041.829591]  ffff81003bb3cfe0 ffff81012d909ca0 00000000fffffff4 
ffff810040b652a0
[23041.829591] Call Trace:
[23041.829591]  [<ffffffff8027fd22>] ? anon_vma_link+0x22/0x50
[23041.829591]  [<ffffffff802328a7>] ? dup_mm+0x1e7/0x3a0
[23041.829591]  [<ffffffff8023354f>] ? copy_process+0xabf/0x10d0
[23041.829591]  [<ffffffff80233bd3>] ? do_fork+0x73/0x310
[23041.829591]  [<ffffffff8020b70b>] ? system_call_after_swapgs+0x7b/0x80
[23041.829591]  [<ffffffff8020ba17>] ? ptregscall_common+0x67/0xb0
[23041.829591]
[23041.829591]
[23041.829591] Code: 74 05 e8 6f 6f ea ff c3 66 66 66 66 66 2e 0f 1f 84 00 00 
00 00 00 fa f0 81 2f 00 00 00 01 74 05 e8 51 6f ea ff c3 b8 00 01 00 00 <f0> 
66 0f c1 07 38 e0 74 06 f3 90 8a 07 eb f6 c3 66 66 2e 0f 1f
[23041.829591] RIP  [<ffffffff804a67c5>] _spin_lock+0x5/0x20
[23041.829591]  RSP <ffff81010cc35df0>
[23041.829591] CR2: 0000040000000000
[23041.829591] ---[ end trace 9a849e48577fe237 ]---

System is AMD64 with a X2 6000+, 4gb ram. Cool&Quiet enabled.
I haven't had any problems with 2.6.26-rcX, or 2.6.26.1
Complete dmesg after a clean boot is attached.

I haven't got any of this without screen blanking/dpms standby/dpms off. 

Glück Auf,
Volker

View attachment "dmesg.out" of type "text/plain" (32648 bytes)

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