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BUG while suspend to ram

2.6.21-rc7-mm2 Maciej Rutecki 3 participants 3 messages Apr 29, 2007 – Apr 30, 2007 ACPI

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Maciej Rutecki

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#0 lore raw
BUG: at kernel/kthread.c:166 kthread_bind()
 [<c01465ac>] _cpu_down+0x16c/0x250
 [<c0146890>] disable_nonboot_cpus+0x60/0xf0
 [<c014cd67>] pm_suspend_disk+0x177/0x2c0
 [<c014b645>] enter_state+0xb5/0x200
 [<c014b84d>] state_store+0xbd/0xd0
 [<c014b790>] state_store+0x0/0xd0
 [<c01be189>] subsys_attr_store+0x29/0x40
 [<c01be3a4>] sysfs_write_file+0xd4/0x160
 [<c017b701>] vfs_write+0xc1/0x160
 [<c01be2d0>] sysfs_write_file+0x0/0x160
 [<c017be11>] sys_write+0x41/0x70
 [<c0187355>] sys_dup2+0xd5/0x100
 [<c01040f6>] sysenter_past_esp+0x5f/0x85
 [<c0330000>] xfrm_policy_insert+0x210/0x400
 =======================

dmesg:
http://www.unixy.pl/maciek/download/kernel/2.6.21-rc7--mm2/dmesg.txt.gz
lsmod:
http://www.unixy.pl/maciek/download/kernel/2.6.21-rc7--mm2/lsmod.txt.gz
ver_linux:
http://www.unixy.pl/maciek/download/kernel/2.6.21-rc7--mm2/ver_linux.txt.gz
lspci:
http://www.unixy.pl/maciek/download/kernel/2.6.21-rc7--mm2/lspci.txt.gz
config:
http://www.unixy.pl/maciek/download/kernel/2.6.21-rc7--mm2/config-2.6.21-rc7-mm2.gz

Signature · 4 lines
Maciej Rutecki <[email protected]>
www.unixy.pl
LTG - Linux Testers Group (PL)
(http://www.stardust.webpages.pl/ltg/)
#1 lore raw
Quoted 8 lines · On Sun, 29 Apr 2007 12:42:43 +0200 Maciej Rutecki <[email protected]>…
BUG: at kernel/kthread.c:166 kthread_bind()
 [<c01465ac>] _cpu_down+0x16c/0x250
 [<c0146890>] disable_nonboot_cpus+0x60/0xf0
 [<c014cd67>] pm_suspend_disk+0x177/0x2c0
 [<c014b645>] enter_state+0xb5/0x200
 [<c014b84d>] state_store+0xbd/0xd0
 [<c014b790>] state_store+0x0/0xd0
 [<c01be189>] subsys_attr_store+0x29/0x40
Quoted 8 lines
 [<c01be3a4>] sysfs_write_file+0xd4/0x160
 [<c017b701>] vfs_write+0xc1/0x160
 [<c01be2d0>] sysfs_write_file+0x0/0x160
 [<c017be11>] sys_write+0x41/0x70
 [<c0187355>] sys_dup2+0xd5/0x100
 [<c01040f6>] sysenter_past_esp+0x5f/0x85
 [<c0330000>] xfrm_policy_insert+0x210/0x400
 =======================

yup, thanks - the present plan is to remove the kthread_bind() call from _cpu_down(). Although we don't appear to fully undersand why we're removing it, nor why it was added in the first place, which has me worried.

#2 lore raw
In reply to Maciej Rutecki

Maciej Rutecki pisze:

Quoted 17 lines
BUG: at kernel/kthread.c:166 kthread_bind()
 [<c01465ac>] _cpu_down+0x16c/0x250
 [<c0146890>] disable_nonboot_cpus+0x60/0xf0
 [<c014cd67>] pm_suspend_disk+0x177/0x2c0
 [<c014b645>] enter_state+0xb5/0x200
 [<c014b84d>] state_store+0xbd/0xd0
 [<c014b790>] state_store+0x0/0xd0
 [<c01be189>] subsys_attr_store+0x29/0x40
 [<c01be3a4>] sysfs_write_file+0xd4/0x160
 [<c017b701>] vfs_write+0xc1/0x160
 [<c01be2d0>] sysfs_write_file+0x0/0x160
 [<c017be11>] sys_write+0x41/0x70
 [<c0187355>] sys_dup2+0xd5/0x100
 [<c01040f6>] sysenter_past_esp+0x5f/0x85
 [<c0330000>] xfrm_policy_insert+0x210/0x400
 =======================
Quoted 11 lines

dmesg:
http://www.unixy.pl/maciek/download/kernel/2.6.21-rc7--mm2/dmesg.txt.gz
lsmod:
http://www.unixy.pl/maciek/download/kernel/2.6.21-rc7--mm2/lsmod.txt.gz
ver_linux:
http://www.unixy.pl/maciek/download/kernel/2.6.21-rc7--mm2/ver_linux.txt.gz
lspci:
http://www.unixy.pl/maciek/download/kernel/2.6.21-rc7--mm2/lspci.txt.gz
config:
http://www.unixy.pl/maciek/download/kernel/2.6.21-rc7--mm2/config-2.6.21-rc7-mm2.gz

I use this script:

http://www.unixy.pl/maciek/download/kernel/2.6.21-rc7--mm2/suspend_to_disk.sh

Signature · 2 lines
Maciej Rutecki <[email protected]>
http://www.maciek.unixy.pl