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Old 12-03-2011, 02:13 AM
Jonathan Nieder
 
Default Bug#598323: Servers reboot on heavy load on DRBD+OCFS2 partition

Hey,

Proskurin Kirill wrote:

> I have 2 servers Dell 2950 and try to use it as a email cluster.
> I use DRBD with OCFS2 over it. Both nodes is reboot on heavy load every time.
[...]
> I can confirm what on configuration above(all testing + kernel
> 2.6.36-rc5) I don`t got a reboot. iozone complete successfully without
> any problems

Quick questions:

- Can you remind me what happened with the 2.6.35.6 kernel? Did it
exhibit the same symptoms or not?

- If so, would you be willing to bisect? It involves building some
intermediate kernels from source and testing them. I can guide
you through the process.

- If not, could you try some intermediate kernels from
snapshot.debian.org so we can narrow down when the fix was
introduced?

Thanks a lot for a thorough report, and sorry for the long silence.

Jonathan



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Old 12-03-2011, 02:14 AM
Jonathan Nieder
 
Default Bug#598323: Servers reboot on heavy load on DRBD+OCFS2 partition

(resending with a newer address)
Hey,

Proskurin Kirill wrote:

> I have 2 servers Dell 2950 and try to use it as a email cluster.
> I use DRBD with OCFS2 over it. Both nodes is reboot on heavy load every time.
[...]
> I can confirm what on configuration above(all testing + kernel
> 2.6.36-rc5) I don`t got a reboot. iozone complete successfully without
> any problems

Quick questions:

- Can you remind me what happened with the 2.6.35.6 kernel? Did it
exhibit the same symptoms or not?

- If so, would you be willing to bisect? It involves building some
intermediate kernels from source and testing them. I can guide
you through the process.

- If not, could you try some intermediate kernels from
snapshot.debian.org so we can narrow down when the fix was
introduced?

Thanks a lot for a thorough report, and sorry for the long silence.

Jonathan



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Old 12-03-2011, 08:12 AM
Proskurin Kirill
 
Default Bug#598323: Servers reboot on heavy load on DRBD+OCFS2 partition

03.12.2011 7:14, Jonathan Nieder пишет:

(resending with a newer address)
Hey,

Proskurin Kirill wrote:


I have 2 servers Dell 2950 and try to use it as a email cluster.
I use DRBD with OCFS2 over it. Both nodes is reboot on heavy load every time.

[...]

I can confirm what on configuration above(all testing + kernel
2.6.36-rc5) I don`t got a reboot. iozone complete successfully without
any problems


Quick questions:

- Can you remind me what happened with the 2.6.35.6 kernel? Did it
exhibit the same symptoms or not?

- If so, would you be willing to bisect? It involves building some
intermediate kernels from source and testing them. I can guide
you through the process.

- If not, could you try some intermediate kernels from
snapshot.debian.org so we can narrow down when the fix was
introduced?

Thanks a lot for a thorough report, and sorry for the long silence.


Hello.

Wow, it`s really take long time. :-)
I`m sorry but I now on other job and don`t have this servers and such
task. So I can`t reproduce it.


AFAIR on 2.6.35.6 I have problems with Dell raid drivers so I can`t test
it and on 2.6.36-rc5 my test with iozone was completed successfully. So
I think it was a kernel problem(other env not changed), may be drivers.


But again - sorry, I can`t test it any more.
But if you findconfirmfix this problem I will be glad if you can
inform me. May be I will use this setup in future.


--
Best regards,
Proskurin Kirill



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Old 12-03-2011, 11:23 PM
Jonathan Nieder
 
Default Bug#598323: Servers reboot on heavy load on DRBD+OCFS2 partition

tags 598323 = unreproducible
retitle 598323 DRBD+OCFS2: reproducible BUGs and GPFs on heavy load
# actually upstream v2.6.35.6, but close enough
found 598323 linux-2.6/2.6.35-1~experimental.3
quit

Proskurin Kirill wrote:

> Wow, it`s really take long time. :-)
> I`m sorry but I now on other job and don`t have this servers and such task.
> So I can`t reproduce it.
[...]
> But again - sorry, I can`t test it any more.
> But if you findconfirmfix this problem I will be glad if you can inform
> me. May be I will use this setup in future.

Ok. Marking accordingly so heroes of log interpretation and bug
reproduction will know their work is appreciated.



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