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Re: need help how to debug xfs crash issue xfs_iunlink_remove: xfs_inoto

To: çææ <yongtaofu@xxxxxxxxx>
Subject: Re: need help how to debug xfs crash issue xfs_iunlink_remove: xfs_inotobp() returned error 22
From: Eric Sandeen <sandeen@xxxxxxxxxxx>
Date: Fri, 12 Apr 2013 00:16:30 -0500
Cc: Brian Foster <bfoster@xxxxxxxxxx>, Ben Myers <bpm@xxxxxxx>, "xfs@xxxxxxxxxxx" <xfs@xxxxxxxxxxx>
Delivered-to: xfs@xxxxxxxxxxx
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References: <CADFMGuJm5bPPwbbUtYwrCVDL23KExJTw_-VRX2UEEdZjo+i5oA@xxxxxxxxxxxxxx> <CADFMGu+=MM2yc=_peboV7JTNJ8F05TJfexmEErzcf0D8mAWFRg@xxxxxxxxxxxxxx> <CADFMGuKqkPbpcU=taqjTR4sA3o=w1LLAnKoEuj=OhJqEbQVijw@xxxxxxxxxxxxxx> <20130409145238.GE22182@xxxxxxx> <CADFMGuJaiH0wuxOHrDjDn7qRVH+vQkLOOSPUyqSdXnLcS47t3w@xxxxxxxxxxxxxx> <CADFMGu+TdyjTjMTWMwpdHqmszhpCU162UA4Y-njARwSEjM1xNw@xxxxxxxxxxxxxx> <20130410121025.78a42b22@xxxxxxxxxxxxxxxxxxxx> <CADFMGu+yCg4ux0n6S98bqm_cXc=VCcijVBTqwRxvxmtKt_JO-A@xxxxxxxxxxxxxx> <CADFMGuLxgBFU=FUK94tPsCh+qxRW0rEELxSXYoMQLFJ1u3=q0Q@xxxxxxxxxxxxxx> <516746AC.3090808@xxxxxxxxxx> <CADFMGuK-tJQFQzN9wN0LiWWj6SY4tg_c0W9dJadctg=ytegB+w@xxxxxxxxxxxxxx>
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On 4/11/13 11:32 PM, çææ wrote:
> Hi Brian,
> Sorry but when I execute the script it says:
> WARNING: cannot find module xfs debuginfo: No DWARF information found
> semantic error: no match while resolving probe point 
> module("xfs").function("xfs_iunlink")
> 
> uname -a
> 2.6.32-279.el6.x86_64
> kernel debuginfo has been installed.
> 
> Where can I find the correct xfs debuginfo?

it should be in the kernel-debuginfo rpm (of the same version/release as the 
kernel rpm you're running)

You should have:

/usr/lib/debug/lib/modules/2.6.32-279.el6.x86_64/kernel/fs/xfs/xfs.ko.debug

If not, can you show:

# uname -a
# rpm -q kernel
# rpm -q kernel-debuginfo

-Eric


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