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*BUG REPORTED* uncharging too much (othersockbuf) in 2.6.18-028test018.1+31-openvz-smp [message #14010] Sun, 10 June 2007 09:10 Go to next message
aphexer is currently offline  aphexer
Messages: 6
Registered: May 2007
Location: Belgium
Junior Member
I regularly get messages like this in my syslog:

Quote:

Jun 9 23:59:04 toucan kernel: Uncharging too much 428 h 252, res othersockbuf ub 0
Jun 9 23:59:04 toucan kernel: Uncharging too much 508 h 0, res othersockbuf ub 0
Jun 9 23:59:04 toucan kernel: Uncharging too much 684 h 0, res othersockbuf ub 0


I've searched the forum, google etc, and found out it would be nothing bad, but it means there is some discrepancy in the ub counters? Is it a bug or something, or is it expected to see these message (everything is 100% OK?)

I'm not doing anything in particular when getting those messages, they just appear now and then. All those messages refer to othersockbuf.

Kernel: 2.6.18-028test018.1+31-openvz-smp

[Updated on: Fri, 15 June 2007 06:57] by Moderator

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Re: uncharging too much (othersockbuf) in 2.6.18-028test018.1+31-openvz-smp [message #14074 is a reply to message #14010] Thu, 14 June 2007 09:10 Go to previous messageGo to next message
Vasily Tarasov is currently offline  Vasily Tarasov
Messages: 1345
Registered: January 2006
Senior Member
Hello, these messages are not danger, but however they indicate, that there is a bug in othersockbuf accounting. Can you, please, fill the bug report at http://bugzilla.openvz.org. In bug report, please, describe your environment: architecture, kernel (have you compiled it yourself? If yes - attach the config), which distribution do you use on host and in VE? The config files for your VEs.

Thank you,
Vasily.
Re: uncharging too much (othersockbuf) in 2.6.18-028test018.1+31-openvz-smp [message #14118 is a reply to message #14010] Fri, 15 June 2007 06:42 Go to previous messageGo to next message
Vasily Tarasov is currently offline  Vasily Tarasov
Messages: 1345
Registered: January 2006
Senior Member
Sorry! When I was reading your message first time, I thought, that you're using 028stab031 kernel. So I look through the fixes, that were applied since 028stab031 and haven't found anything fixing othersockbuf. Consequently I assumed that it is a new bug.
But now I understand, that you're using Debian OpenVZ kernel based on 028test018. It is pretty old kernel and there were pretty much fixes since it.
So, can you, please, update your system till the latest kernel (028stab035). Compile the new kernel by yourself or use precompiled kernel from debian.systs.org.
Also we're going to release the fresh patch against Debian kernel soon.
I close the bug http://bugzilla.openvz.org/show_bug.cgi?id=619, that you have reported, as fixed. If the problem will arise again on latest kernel - feel free to reopen it.

Thank you,
Vasily.
Re: *BUG REPORTED* uncharging too much (othersockbuf) in 2.6.18-028test018.1+31-openvz-smp [message #14123 is a reply to message #14010] Fri, 15 June 2007 08:20 Go to previous messageGo to next message
aphexer is currently offline  aphexer
Messages: 6
Registered: May 2007
Location: Belgium
Junior Member
Oh no problem Smile I'll update the kernel and let you know when I get these messages again.
Re: *BUG REPORTED* uncharging too much (othersockbuf) in 2.6.18-028test018.1+31-openvz-smp [message #14211 is a reply to message #14123] Tue, 19 June 2007 12:46 Go to previous messageGo to next message
ugob is currently offline  ugob
Messages: 271
Registered: March 2007
Senior Member
I get them too

[root@bibitte dump]# uname -a
Linux server.domain.com 2.6.9-023stab040.1-smp #1 SMP Tue Jan 16 00:54:22 MSK 2007 i686 athlon i386 GNU/Linux

Jun 19 08:36:28 server kernel: Uncharging too much 2236 h 0, res othersockbuf ub 103

Should I try with PAE kernel?


Please read the manual before asking questions:
http://download.openvz.org/doc/OpenVZ-Users-Guide.pdf

Please have a look at the wiki before asking questions:
http://wiki.openvz.org/Main_Page
Re: *BUG REPORTED* uncharging too much (othersockbuf) in 2.6.18-028test018.1+31-openvz-smp [message #14215 is a reply to message #14211] Tue, 19 June 2007 13:02 Go to previous messageGo to next message
Vasily Tarasov is currently offline  Vasily Tarasov
Messages: 1345
Registered: January 2006
Senior Member
You also have this problem on rather old kernel: 2.6.9-023stab040.1-smp. Just upgrade till 2.6.9-023stab044.4-smp kernel.

HTH,
Vasily
Re: uncharging too much (othersockbuf) in 2.6.18-028test018.1+31-openvz-smp [message #14268 is a reply to message #14118] Wed, 20 June 2007 23:51 Go to previous messageGo to next message
John Kelly is currently offline  John Kelly
Messages: 97
Registered: May 2006
Location: Palmetto State
Member
Vasily Tarasov wrote on Fri, 15 June 2007 02:42

Also we're going to release the fresh patch against Debian kernel soon.


I did not know you create a debian kernel patch. Where do you put them, so I can look for it?


Re: uncharging too much (othersockbuf) in 2.6.18-028test018.1+31-openvz-smp [message #14285 is a reply to message #14268] Thu, 21 June 2007 14:47 Go to previous message
Vasily Tarasov is currently offline  Vasily Tarasov
Messages: 1345
Registered: January 2006
Senior Member
we do =)

http://packages.debian.org/testing/devel/kernel-patch-openvz

HTH,
Vasily.
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