Kernel 2.6.30: Memory/XFS leak, OOM killer kills many processes

Justin Piszcz jpiszcz at lucidpixels.com
Thu Jun 11 12:00:15 CDT 2009



On Thu, 11 Jun 2009, Justin Piszcz wrote:

> Hello,
>
> I have a daily cron that backs up my root filesystem using xfsdump, it has 
> remain unchanged for at least 7-10 kernel versions.  When I migrated to 
> 2.6.30, when the xfsdump ran at its scheduled time, nearly all of my 
> processes were killed due to an OOM situation, I can reproduce the situation.
>
> Kernel: 2.6.30
> Dist: Debian Testing
> xfsdump: 2.2.48-1

Kernel 2.6.29.4 does not exhibit this problem:

xfsdump: estimated dump size: 8694781376 bytes
xfsdump: creating dump session media file 0 (media 0, file 0)
xfsdump: dumping ino map
xfsdump: dumping directories
xfsdump: dumping non-directory files
xfsdump: ending media file
xfsdump: media file size 8294709848 bytes
xfsdump: dump size (non-dir files) : 8208863560 bytes
xfsdump: dump complete: 102 seconds elapsed
xfsdump: Dump Status: SUCCESS

XFS(?) bug in 2.6.30.

Justin.




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