Ubuntu 8.04 - problem

Albert forall at stalowka.info
Sat May 10 13:34:32 UTC 2008


Hi

The system is ubuntu 8.04 server for some time I have a problem with 
suspending the server, logs revealed the problem as if it was the kernel.
The following snippet from the logs.
Kernel to 2.6.24-xen

cat /var/log/kern.log

May 10 01:23:38 zeus kernel: [227848.986476] BUG: soft lockup - CPU#0 
stuck for 11s! [sshd:10198]
May 10 01:23:38 zeus kernel: [227848.986536]
May 10 01:23:38 zeus kernel: [227848.986538] Pid: 10198, comm: sshd Not 
tainted (2.6.24-16-xen #2)
May 10 01:23:38 zeus kernel: [227848.986539] EIP: 
0061:[ipv6:_spin_lock+0xa/0x10] EFLAGS: 00200286 CPU: 0
May 10 01:23:38 zeus kernel: [227848.986545] EIP is at _spin_lock+0xa/0x10
May 10 01:23:38 zeus kernel: [227848.986546] EAX: c1e8140c EBX: 00000000 
ECX: c1e81400 EDX: ea3a0880
May 10 01:23:38 zeus kernel: [227848.986548] ESI: 56da0067 EDI: 00000000 
EBP: c0477158 ESP: c4813de8
May 10 01:23:38 zeus kernel: [227848.986549]  DS: 007b ES: 007b FS: 00d8 
GS: 0033 SS: 0069
May 10 01:23:38 zeus kernel: [227848.986553] CR0: 80050033 CR2: b7f10300 
CR3: 2a2c2000 CR4: 00000660
May 10 01:23:38 zeus kernel: [227848.986556] DR0: 00000000 DR1: 00000000 
DR2: 00000000 DR3: 00000000
May 10 01:23:38 zeus kernel: [227848.986558] DR6: ffff0ff0 DR7: 00000400
May 10 01:23:38 zeus kernel: [227848.986559]  [__do_fault+0x29c/0x680] 
__do_fault+0x29c/0x680
May 10 01:23:38 zeus kernel: [227848.986576]  
[handle_mm_fault+0x327/0x1330] handle_mm_fault+0x327/0x1330
May 10 01:23:38 zeus kernel: [227848.986581]  
[__udp_lib_get_port+0xe0/0x210] __udp_lib_get_port+0xe0/0x210
May 10 01:23:38 zeus kernel: [227848.986586]  
[ipv6:_spin_lock_bh+0x8/0x20] _spin_lock_bh+0x8/0x20
May 10 01:23:38 zeus kernel: [227848.986588]  
[ipv6:release_sock+0x12/0xa0] release_sock+0x12/0xa0
May 10 01:23:38 zeus kernel: [227848.986592]  
[usbcore:copy_to_user+0x30/0x540] copy_to_user+0x30/0x60
May 10 01:23:38 zeus kernel: [227848.986596]  
[move_addr_to_user+0x7e/0x90] move_addr_to_user+0x7e/0x90
May 10 01:23:38 zeus kernel: [227848.986601]  
[sys_getsockname+0xc6/0xe0] sys_getsockname+0xc6/0xe0
May 10 01:23:38 zeus kernel: [227848.986605]  
[x_tables:kmem_cache_alloc+0xd5/0x6a0] kmem_cache_alloc+0xd5/0x120
May 10 01:23:38 zeus kernel: [227848.986609]  
[do_page_fault+0x3bc/0xee0] do_page_fault+0x3bc/0xee0
May 10 01:23:38 zeus kernel: [227848.986614]  [d_kill+0x38/0x50] 
d_kill+0x38/0x50
May 10 01:23:38 zeus kernel: [227848.986618]  [ext3:dput+0x87/0x2d0] 
dput+0x87/0x100
May 10 01:23:38 zeus kernel: [227848.986620]  [__fput+0x12a/0x1a0] 
__fput+0x12a/0x1a0
May 10 01:23:38 zeus kernel: [227848.986623]  
[fuse:mntput_no_expire+0x24/0x4220] mntput_no_expire+0x24/0xa0
May 10 01:23:38 zeus kernel: [227848.986627]  [filp_close+0x49/0x80] 
filp_close+0x49/0x80
May 10 01:23:38 zeus kernel: [227848.986631]  [do_page_fault+0x0/0xee0] 
do_page_fault+0x0/0xee0
May 10 01:23:38 zeus kernel: [227848.986633]  [error_code+0x35/0x40] 
error_code+0x35/0x40
May 10 01:23:38 zeus kernel: [227848.986637]  [vcc_ioctl+0xd0/0x2a0] 
vcc_ioctl+0xd0/0x2a0
May 10 01:23:38 zeus kernel: [227848.986642]  =======================
May 10 01:23:51 zeus kernel: [227860.433684] BUG: soft lockup - CPU#0 
stuck for 11s! [sshd:10198]

Does anyone have a similar problem?

Regards,

Albert





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