Have a problem with kernel errors on a debian lenny xen system.
Both Dom0 and domu have 2.6.26-2-xen-686 kernel
it's a Dell Poweredge 1600sc.
Dom0 and another domu have no errors
It can run fine for days and at some point will get messages like this about
ever 2 minutes.
[99893.452427] INFO: task cron:11193 blocked for more than 120 seconds.
[99893.452461] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables
this message.
[99893.452481] cron D 8c6c25a5 0 11193 2360
[99893.452506] eb8c65e0 00000282 00000001 8c6c25a5 0000315c eb8c6768
c127ab40 00000001
[99893.452554] ec93fd80 00000000 00000000 0002c54b 00000000 00000005
000873e5 00000000
[99893.452597] c1276060 e4318092 c0106149 c0e67f14 e4318092 0002dfb7
7fffffff 7fffffff
[99893.452647] Call Trace:
[99893.452686] [<c0106149>] get_runstate_snapshot+0x69/0xec
[99893.452734] [<c02caf77>] schedule_timeout+0x13/0x86
[99893.452771] [<c02ca62a>] wait_for_common+0xd9/0x166
[99893.452801] [<c0117957>] default_wake_function+0x0/0x8
[99893.452840] [<c011dcaa>] do_fork+0x17f/0x1dc
[99893.452873] [<c010239e>] sys_vfork+0x18/0x1c
[99893.452900] [<c0103f76>] syscall_call+0x7/0xb
[99893.452938] =======================
Load is 1 but looks idle.
top - 15:52:11 up 1 day, 3:55, 1 user, load average: 1.00, 1.00, 1.00
Tasks: 124 total, 1 running, 122 sleeping, 0 stopped, 1 zombie
Cpu(s): 0.0%us, 0.0%sy, 0.0%ni,100.0%id, 0.0%wa, 0.0%hi, 0.0%si, 0.0%st
Mem: 2097348k total, 1212396k used, 884952k free, 9596k buffers
Swap: 2097144k total, 0k used, 2097144k free, 649000k cached
The only way I have been able to get the load back down is to reboot the domu.
I thought I had it licked as it has sometime worked for over 5 days with no
errors so I have installed it in a remote office so at this point rather not
do any major changes.
Any Ideas?
John
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