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Re: 2.6.25-git12 sysfs panic

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From: Badari Pulavarty <pbadari@...>
To: Greg Kroah-Hartman <gregkh@...>, <linuxppc-dev@...>
Cc: linux-kernel <linux-kernel@...>
Subject: 2.6.25-git12 sysfs panic
Date: Monday, April 28, 2008 - 4:36 pm

Hi Greg,


Ran into this sysfs oops while booting 2.6.25-git12.

ipr issue ?


Thanks,

Badari


ipr: IBM Power RAID SCSI Device Driver version: 2.4.1 (April 24, 2007)

ipr 0000:d0:01.0: Found IOA with IRQ: 119

ipr 0000:d0:01.0: Starting IOA initialization sequence.

ipr 0000:d0:01.0: Adapter firmware version: 020A005E

ipr 0000:d0:01.0: IOA initialized.

scsi0 : IBM 570B Storage Adapter

sysfs: duplicate filename 'state' can not be created

------------[ cut here ]------------

Badness at fs/sysfs/dir.c:425

NIP: c00000000013b668 LR: c00000000013b664 CTR: 800000000013f270

REGS: c0000000700db240 TRAP: 0700   Not tainted  (2.6.25-git12)

MSR: 8000000000029032 <EE,ME,IR,DR>  CR: 22002024  XER: 00000006

TASK = c0000000700d7980[1] 'swapper' THREAD: c0000000700d8000 CPU: 0

GPR00: c00000000013b664 c0000000700db4c0 c000000000792970 0000000000000038

GPR04: 0000000000000001 0000000000000001 0000000000000000 0000000000000001

GPR08: c0000000007bd60c c0000000006c2c58 0000000000003ac3 c0000000007bd608

GPR12: 0000000000004000 c0000000007b3300 0000000000000000 0000000000000000

GPR16: 0000000000000000 d000080080080000 c0000000006b40d0 c00000006e07a708

GPR20: c00000006e07a650 c00000006e07a000 c0000000703241a8 c000000070324000

GPR24: c000000070324070 c000000070324000 c00000006e07a3b0 c00000006e07a170

GPR28: 0000000000000000 c0000000700db5c0 c0000000007115c0 c00000006e07e370

NIP [c00000000013b668] .sysfs_add_one+0x50/0xec

LR [c00000000013b664] .sysfs_add_one+0x4c/0xec

Call Trace:

[c0000000700db4c0] [c00000000013b664] .sysfs_add_one+0x4c/0xec (unreliable)

[c0000000700db550] [c00000000013ade4] .sysfs_add_file_mode+0x70/0xe0

[c0000000700db600] [c00000000038b408] .device_create_file+0x20/0x3c

[c0000000700db680] [c0000000003e2a50] .scsi_sysfs_add_host+0x54/0xc4

[c0000000700db710] [c0000000003d72b0] .scsi_add_host+0x1d4/0x264

[c0000000700db7b0] [c000000000537ef8] 0xc000000000537ef8

[c0000000700db920] [c00000000033b9a4] .pci_device_probe+0x100/0x170

[c0000000700db9e0] [c00000000038e67c] .driver_probe...
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From: Greg KH <gregkh@...>
To: Badari Pulavarty <pbadari@...>
Cc: <linuxppc-dev@...>, linux-kernel <linux-kernel@...>
Subject: Re: 2.6.25-git12 sysfs panic
Date: Monday, April 28, 2008 - 4:49 pm

Looks like someone messed up, not the sysfs core's fault here :)


thanks,


greg k-h

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