[Ocfs2-users] ocfs2_wait_for_mask

[Cristian Gae]

/proc/sys/kernel/panic_on_oops was alreay set to 1

We configured netconsole on all nodes and a syslog-ng server to log the 
messages.

I will come back with the traces next time the problem occur.

Thank you

Sunil Mushran wrote:
> Setup a netconsole server to catch the oops trace. Have you set
> /sys/kernel/panic_on_oops to 1?
> 
> On Tue, Mar 24, 2009 at 06:09:22PM +0200, Cristian Gae wrote:
>> Hello
>>
>> We have a 9 nodes ocfs2 cluster used for http serving.
>>
>> Sometimes when we want to reboot one of the nodes, it happens to kernel 
>> panic at ocfs2 unmount, and after this on all the other nodes some httpd 
>> processes goes to "D" state, and the system gets loaded.
>>
>> ps -e -o pid,stat,comm,wchan=WIDE-WCHAN-COLUMN
>>
>> 10187 D    httpd     ocfs2_wait_for_mask 
>>
>> 10241 D    httpd     ocfs2_wait_for_mask 
>>
>> 10254 D    httpd     ocfs2_wait_for_mask 
>>
>> 10255 D    httpd     ocfs2_wait_for_mask 
>>
>> 10272 D    httpd     ocfs2_wait_for_mask 
>>
>> 10273 D    httpd     ocfs2_wait_for_mask 
>>
>> 10274 D    httpd     ocfs2_wait_for_mask 
>>
>> 10398 D    httpd     ocfs2_wait_for_mask 
>>
>> 10441 D    httpd     ocfs2_wait_for_mask 
>>
>> 10452 D    httpd     ocfs2_wait_for_mask
>>
>>
>>
>> Please tell me what info do you need to provide help to us.
>>
>> All nodes are CentOS 5.2, ocfs2 1.4.1, we use an DS4700 IBM Storage, 
>> with Qlogic HBA and MPP driver.
>>
>>
>>
>> -- 
>> Cristian Gae
>> Director IT
>> Netbridge Services
>> cristian.gae at netbridge.ro
>> 0749 018 817
>>
>> --
>> Acest mesaj impreuna cu fisierele transmise constituie o informatie
>> confidentiala si se adreseaza numai persoanei/persoanelor fizice sau
>> juridice mentionata/e ca destinatar. Daca nu sunteti destinatarul
>> acestui mesaj si ati primit e-mailul din greseala, va rugam anuntati
>> administratorul de sistem. Va aducem la cunostinta ca opiniile exprimate
>> in acest e-mail reprezinta punctul de vedere al autorului si nu cel al
>> intregii societati. Primitorul trebuie sa verifice existenta unor virusi
>> in acest e-mail si in continutul fisierele atasate. Societatea Netbridge
>> Services SRL nu este responsabila pentru transmiterea necorespunzatoare
>> a informatiei cauzate de un virus.
>>
>>
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> 
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-- 
Cristian Gae
Director IT
Netbridge Services
cristian.gae at netbridge.ro
0749 018 817

--
Acest mesaj impreuna cu fisierele transmise constituie o informatie 
confidentiala si se adreseaza numai persoanei/persoanelor fizice sau 
juridice mentionata/e ca destinatar. Daca nu sunteti destinatarul 
acestui mesaj si ati primit e-mailul din greseala, va rugam anuntati 
administratorul de sistem. Va aducem la cunostinta ca opiniile exprimate 
in acest e-mail reprezinta punctul de vedere al autorului si nu cel al 
intregii societati. Primitorul trebuie sa verifice existenta unor virusi 
in acest e-mail si in continutul fisierele atasate. Societatea Netbridge 
Services SRL nu este responsabila pentru transmiterea necorespunzatoare 
a informatiei cauzate de un virus.