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List:       opensolaris-ufs-discuss
Subject:    Re: [ufs-discuss] System crashes when filesystem is filled completely
From:       Frank Hofmann <Frank.Hofmann () Sun ! COM>
Date:       2007-05-08 12:33:47
Message-ID: Pine.SOC.4.64.0705081303040.6280 () dhcp-elon07-138-161
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On Mon, 7 May 2007, Mallikarjun wrote:

> A bigfile is created to fill the filesystem (cat /dev/zero > /bigfile) and crash is \
> seen when the file is deleted. I am seeing this issue with Solaris 11/06 on a HP \
> server. 
> Just wanted to know if this is a known issue or if there is a patch/pointers which \
> can help in addressing the issue better. 
> mbd snapshots of the crash:
> 
> pseudo-device: devinfo0
> devinfo0 is /pseudo/devinfo@0
> kernel memory allocator:
> bufctl corrupted
> buffer=ffffffff988e2008 bufctl=0 cache: lufs_mapentry_cache
> 
> panic[cpu1]/thread=fffffe8000af8c80:
> kernel heap corruption detected

As far as diagnosing such problems goes, check the following:

http://docs.sun.com/app/docs/doc/816-5041/6mb7ae3l7?a=view

Can you reproduce this with current OpenSolaris builds ?
Are you willing to share this crashdump ?

FrankH.

> 
> 
> fffffe8000af8ae0 fffffffffb9876f8 ()
> fffffe8000af8b20 genunix:kmem_cache_free_debug+78 ()
> fffffe8000af8b60 genunix:kmem_cache_free+43 ()
> fffffe8000af8bd0 ufs:logmap_remove_roll+12f ()
> fffffe8000af8c60 ufs:trans_roll+21a ()
> fffffe8000af8c70 unix:thread_start+8 ()
> 
> syncing file systems...
> 31
> 3
> done
> dumping to /dev/dsk/c0t1d0s1, offset 110231552, content: all
> 
> Issue is seen with all the UFS filesystems
> 
> -Mallik
> 
> 
> This message posted from opensolaris.org
> _______________________________________________
> ufs-discuss mailing list
> ufs-discuss@opensolaris.org
> 
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