Re: 7.0-R freezes with: swap_pager: indefinite wait buffer: bufobj

2008-06-04 Thread Chris St Denis
I've been getting this in the logs recently on a 6.2 system. No 
stability issues, but it is concerning.


swap_pager: indefinite wait buffer: bufobj: 0, blkno: 93, size: 4096
swap_pager: indefinite wait buffer: bufobj: 0, blkno: 183, size: 4096

The server has always been under heavy load, but the load isn't any 
higher lately. And I'm only using like 1324K of swap so it's not like 
I'm heavily swapping.


It's running off an adaptec based raid and arcconf says it's fine.



Wojciech Puchar wrote:

Hi,

the SMART-status looks ok!

SMART overall-health self-assessment test result: PASSED

Maybe other applications causes high I/O load?


no reason to fail.


Howto determine this? Other suggestions?


Cheers,
Oskar


Kris Kennaway schrieb am 02.06.2008 20:58:

Oskar Eyb wrote:

Hello,

on a  7.0-RELEASE maschine I have now again a big problem with 
freezing.



swap_pager: indefinite wait buffer: bufobj: 0, blkno: 388449, size: 
4096
swap_pager: indefinite wait buffer: bufobj: 0, blkno: 388452, size: 
20480
swap_pager: indefinite wait buffer: bufobj: 0, blkno: 387805, size: 
16384



# swapctl -l
Device:   1024-blocks Used:
/dev/mirror/gm0s1b   1048576485332
/dev/md01048576485316


What to do against this, is there a patch available?


Your disk is taking an enormously long time to reply to swap I/O, 
which is what is eventually timing out with those errors.  Check 
that it is not failing.


Kris
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--
Chris St Denis
Programmer
SmarttNet (www.smartt.com)
Ph: 604-473-9700 Ext. 200
---
Smart Internet Solutions For Businesses 


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Re: 7.0-R freezes with: swap_pager: indefinite wait buffer: bufobj

2008-06-03 Thread Oskar Eyb

Hi,

the SMART-status looks ok!

SMART overall-health self-assessment test result: PASSED

Maybe other applications causes high I/O load?
Howto determine this? Other suggestions?


Cheers,
Oskar


Kris Kennaway schrieb am 02.06.2008 20:58:

Oskar Eyb wrote:

Hello,

on a  7.0-RELEASE maschine I have now again a big problem with freezing.


swap_pager: indefinite wait buffer: bufobj: 0, blkno: 388449, size: 4096
swap_pager: indefinite wait buffer: bufobj: 0, blkno: 388452, size: 20480
swap_pager: indefinite wait buffer: bufobj: 0, blkno: 387805, size: 16384


# swapctl -l
Device:   1024-blocks Used:
/dev/mirror/gm0s1b   1048576485332
/dev/md01048576485316


What to do against this, is there a patch available?


Your disk is taking an enormously long time to reply to swap I/O, which 
is what is eventually timing out with those errors.  Check that it is 
not failing.


Kris
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Re: 7.0-R freezes with: swap_pager: indefinite wait buffer: bufobj

2008-06-03 Thread Wojciech Puchar

Hi,

the SMART-status looks ok!

SMART overall-health self-assessment test result: PASSED

Maybe other applications causes high I/O load?


no reason to fail.


Howto determine this? Other suggestions?


Cheers,
Oskar


Kris Kennaway schrieb am 02.06.2008 20:58:

Oskar Eyb wrote:

Hello,

on a  7.0-RELEASE maschine I have now again a big problem with freezing.


swap_pager: indefinite wait buffer: bufobj: 0, blkno: 388449, size: 4096
swap_pager: indefinite wait buffer: bufobj: 0, blkno: 388452, size: 20480
swap_pager: indefinite wait buffer: bufobj: 0, blkno: 387805, size: 16384


# swapctl -l
Device:   1024-blocks Used:
/dev/mirror/gm0s1b   1048576485332
/dev/md01048576485316


What to do against this, is there a patch available?


Your disk is taking an enormously long time to reply to swap I/O, which is 
what is eventually timing out with those errors.  Check that it is not 
failing.


Kris
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7.0-R freezes with: swap_pager: indefinite wait buffer: bufobj

2008-06-02 Thread Oskar Eyb

Hello,

on a  7.0-RELEASE maschine I have now again a big problem with freezing.


swap_pager: indefinite wait buffer: bufobj: 0, blkno: 388449, size: 4096
swap_pager: indefinite wait buffer: bufobj: 0, blkno: 388452, size: 20480
swap_pager: indefinite wait buffer: bufobj: 0, blkno: 387805, size: 16384


# swapctl -l
Device:   1024-blocks Used:
/dev/mirror/gm0s1b   1048576485332
/dev/md01048576485316


What to do against this, is there a patch available?


Best Regards,
Oskar

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Re: 7.0-R freezes with: swap_pager: indefinite wait buffer: bufobj

2008-06-02 Thread Kris Kennaway

Oskar Eyb wrote:

Hello,

on a  7.0-RELEASE maschine I have now again a big problem with freezing.


swap_pager: indefinite wait buffer: bufobj: 0, blkno: 388449, size: 4096
swap_pager: indefinite wait buffer: bufobj: 0, blkno: 388452, size: 20480
swap_pager: indefinite wait buffer: bufobj: 0, blkno: 387805, size: 16384


# swapctl -l
Device:   1024-blocks Used:
/dev/mirror/gm0s1b   1048576485332
/dev/md01048576485316


What to do against this, is there a patch available?


Your disk is taking an enormously long time to reply to swap I/O, which 
is what is eventually timing out with those errors.  Check that it is 
not failing.


Kris
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swap_pager: indefinite wait buffer: bufobj (...)

2006-09-18 Thread Nick Withers
G'day all,

Just wondering whether anyone knows any details regarding
the swap_pager warnings bug noted on the 6.1-RELEASE Release
Engineering to do page
(http://www.freebsd.org/releases/6.1R/todo.html). Specifically,
a PR number would be excellent (I'm assuming one exists).

I believe that this issue has been biting me for a while now (or
at least it only began appearing after I enabled a swap file on
a lowly machine which had to have bad RAM removed that I'm too
cheap / poor to replace) and often results in machine lockups.

I'd love to see it addressed (assuming that this is indeed
what's biting me, which I'm fairly sure of*) before
6.2-RELEASE (probably a little unlikely, I guess) and would be
happy to test patches / etc..

Thanks all!

* I _could_ disable the swap file and leave the thing belting
away for a while to see if the problem doesn't reoccur, but
it'll mean a few processes getting killed here and there due to
lack of available memory...
-- 
Nick Withers
email: [EMAIL PROTECTED]
Web: http://www.nickwithers.com
Mobile: +61 414 397 446
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