[PVE-User] Bad crash pmxcfs

[Benjamin Redling]

Could you check the output of ulimit -n at least?

Debian (at least up to Wheezy) has a default limit of 1024 open file
handles. That's often a problem on serious workloads. I regularly set it
to 10k.

Regards,
Benjamin

Am 23.10.2014 10:09, schrieb Dhaussy Alexandre:
> Another crash this morning, this time it is more explicit !
> 
> Oct 23 09:39:06 proxmoxt2 pmxcfs[4347]: [libqb] error: couldn't open 
> file /dev/shm/qb-pve2-request-25492-1022-data: Too many open files (24)
> Oct 23 09:39:06 proxmoxt2 pmxcfs[4347]: [libqb] error: couldn't open 
> file /var/run/qb-pve2-request-25492-1022-data: Too many open files (24)
> Oct 23 09:39:06 proxmoxt2 pmxcfs[4347]: [libqb] error: couldn't create 
> file for mmap
> Oct 23 09:39:06 proxmoxt2 pmxcfs[4347]: [libqb] error: 
> qb_rb_open:REQUEST: Too many open files (24)
> Oct 23 09:39:06 proxmoxt2 pmxcfs[4347]: [libqb] error: shm connection 
> FAILED: Too many open files (24)
> Oct 23 09:39:06 proxmoxt2 pmxcfs[4347]: [libqb] error: Error in 
> connection setup: Too many open files (24)
> Oct 23 09:39:06 proxmoxt2 pmxcfs[4347]: [libqb] error: couldn't open 
> file /dev/shm/qb-pve2-request-25492-1023-header: Too many open files (24)
> Oct 23 09:39:06 proxmoxt2 pmxcfs[4347]: [libqb] error: couldn't open 
> file /var/run/qb-pve2-request-25492-1023-header: Too many open files (24)
> Oct 23 09:39:06 proxmoxt2 pmxcfs[4347]: [libqb] error: couldn't create 
> file for mmap
> Oct 23 09:39:06 proxmoxt2 kernel: [3070189.722790] pmxcfs[4351]: 
> segfault at 0 ip           (null) sp 00007feeae141818 error 14 in 
> pmxcfs[400000+25000]
> 
> All the VMs are still up, but cluster services are failed..
> 
> Regards,
> Alexandre.
> 
> Le 22/10/2014 16:44, Dhaussy Alexandre a écrit :
>> Le 22/10/2014 12:10, Dietmar Maurer a écrit :
>>> Never saw that. Is there a way to reprocude that?
>>>
>>>> Is there a known issue with pmxcfs crashing ?
>>>>
>>>> Oct 19 04:33:58 proxmoxt1 kernel: [2705338.898341] pmxcfs[4003]:
>>>> segfault at 0 ip           (null) sp 00007f27c465c818 error 14 in
>>>> pmxcfs[400000+25000]
>>>>
>> It happened in the middle of the night..during the week-end...
>> I have no clue how to reproduce it. :(
>> _______________________________________________
>> pve-user mailing list
>> pve-user at pve.proxmox.com
>> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
> _______________________________________________
> pve-user mailing list
> pve-user at pve.proxmox.com
> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
> 

-- 
FSU Jena | JULIELab.de/Staff/Benjamin+Redling.html
vox: +49 3641 9 44323 | fax: +49 3641 9 44321