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Simba
n00b
Joined: 08 Nov 2002
Posts: 60
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 Posted: Wed Aug 31, 2005 4:07 pm Post subject: Help: /proc/partitions is unreadable |
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Hi,
I have big problem with my partition, I use LVM, XFS, devfs and old 2.4.20-xfs-r4 kernel.
After I renamed a logical volume as follow:
lvrename /dev/datavg/alv /dev/datavg/blv
lvrename datavg clv alv
I can't use all lvm command anymore, all lvm command just crash immediately.
And after I strace the command it, I found out that it crash because of /proc/partitions .
it will crash also if I execute simple command to read this /proc/partitions
like "cat /proc/partitions".
and this is the kernel error message if I execute "cat /proc/partitions":
| Code: |
Aug 31 11:02:11 linux-ha6 printing eip:
Aug 31 11:02:11 linux-ha6 c027527c
Aug 31 11:02:11 linux-ha6 Oops: 0000
Aug 31 11:02:11 linux-ha6 ipt_LOG ipt_REJECT ipt_state iptable_filter iptable_mangle iptable_nat ip_conntrack ip_tables rtc sg st sr_mod sd
_mod scsi_mod eepro100
Aug 31 11:02:11 linux-ha6 CPU: 0
Aug 31 11:02:11 linux-ha6 EIP: 0010:[<c027527c>] Not tainted
Aug 31 11:02:11 linux-ha6 EFLAGS: 00010246
Aug 31 11:02:11 linux-ha6 eax: 00000000 ebx: 0000003f ecx: 00000000 edx: 203a6465
Aug 31 11:02:11 linux-ha6 esi: 6f522800 edi: df183f4b ebp: df183f0c esp: df183e80
Aug 31 11:02:11 linux-ha6 ds: 0018 es: 0018 ss: 0018
Aug 31 11:02:11 linux-ha6 Process cat (pid: 1674, stackpage=df183000)
Aug 31 11:02:11 linux-ha6 Stack: 00000000 0000000b 00000000 0000000b c0144f00 c0268ead d7e521e0 df183f0c
Aug 31 11:02:11 linux-ha6 00000040 000002a8 c0144f00 c0258b97 c04836e5 c01b614c 0000000b 000002ec
Aug 31 11:02:11 linux-ha6 c0144f00 c034e003 c0144f00 0000000b df183f0c 0000000a 00100000 df183f3b
Aug 31 11:02:11 linux-ha6 Call Trace: [<c0268ead>] [<c0258b97>] [<c034e003>] [<c020921c>] [<c02585a2>] [<c0237cef>] [<c01f782f>]
Aug 31 11:02:11 linux-ha6 Code: 8b 72 20 85 f6 74 b5 8d b6 00 00 00 00 8d bc 27 00 00 00 00
Aug 31 11:02:11 linux-ha6 <6>note: cat[1674] exited with preempt_count 1
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The server is still running fine, but I worry that I would not be able to reboot it again because
the partition information is gone or the lvm info is corrupt.
Or is it simple to fix the file /proc/partitions again? or is it not dangerous just to reboot it again
and everything will fine again including this /proc/partitions ?
please help.,
thanks.
Simba |
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Simba
n00b
Joined: 08 Nov 2002
Posts: 60
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| Posted: Fri Sep 02, 2005 7:42 am Post subject: |
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| no one really know about /proc/partitions? little info about it would be also nice, thanks. |
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