linux-kernel - Re: kernel 2.6.28 XFS internal error xfs_da_do_buf(2) at line 2112 of file fs/xfs/xfs_da

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Date:	Sat, 17 Jan 2009 23:08:03 +0100
From:	Alessandro Bono <alessandro.bono@...il.com>
To:	Eric Sandeen <sandeen@...deen.net>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-xfs <linux-xfs@....sgi.com>
Subject: Re: kernel 2.6.28 XFS internal error xfs_da_do_buf(2) at line 2112
 of	file fs/xfs/xfs_da_btree.c

On Sat, 2009-01-17 at 15:06 -0600, Eric Sandeen wrote:
> Alessandro Bono wrote:
> > Hi all
> > 
> > New kernel new problem
> > rsync over ssh to a usb disk get this scary message
> > 
> > Jan 17 17:39:50 champagne kernel: [30342.675488] 00000000: e8 1f 67 a1
> > 7f 9c 65 fc c7 e9 c7 3f e1 d7 17 a7  ..g...e....?....
> > Jan 17 17:39:50 champagne kernel: [30342.675504] Filesystem "sdb1": XFS
> > internal error xfs_da_do_buf(2) at line 2112 of file
> > fs/xfs/xfs_da_btree.c.  Caller 0xffffffffa0196e9f
> 
> This means that it read metadata with a bad magic number (the message
> could be clearer).
> 
> Any storage errors in dmesg prior to this?

In effect there is this message
Jan 17 17:39:49 champagne kernel: [30342.273029] usb 4-3: reset high
speed USB device using ehci_hcd and address 4

I was using a usb pen that I disconnected just a second prior errors
appear, for some reason plugging out usb pen caused a reset on usb disk
(two port located on two side on my notebook, I didn't touch usb disk
while disconnecting usb pen)

Jan 17 17:34:47 champagne kernel: [30039.760046] usb 4-5: new high speed
USB device using ehci_hcd and address 5
Jan 17 17:34:47 champagne kernel: [30039.902828] usb 4-5: configuration
#1 chosen from 1 choice
Jan 17 17:34:47 champagne kernel: [30039.955770] scsi7 : SCSI emulation
for USB Mass Storage devices
Jan 17 17:34:47 champagne kernel: [30039.959464] usb-storage: device
found at 5
Jan 17 17:34:47 champagne kernel: [30039.959470] usb-storage: waiting
for device to settle before scanning
Jan 17 17:34:52 champagne kernel: [30044.956409] usb-storage: device
scan complete
Jan 17 17:34:52 champagne kernel: [30044.957497] scsi 7:0:0:0:
Direct-Access     USB      Driver           0.00 PQ: 0 ANSI: 0 CCS
Jan 17 17:34:52 champagne kernel: [30045.242137] sd 7:0:0:0: [sdc]
31318016 512-byte hardware sectors: (16.0 GB/14.9 GiB)
Jan 17 17:34:52 champagne kernel: [30045.242644] sd 7:0:0:0: [sdc] Write
Protect is off
Jan 17 17:34:52 champagne kernel: [30045.242650] sd 7:0:0:0: [sdc] Mode
Sense: 23 00 00 00
Jan 17 17:34:52 champagne kernel: [30045.242655] sd 7:0:0:0: [sdc]
Assuming drive cache: write through
Jan 17 17:34:52 champagne kernel: [30045.249520] sd 7:0:0:0: [sdc]
31318016 512-byte hardware sectors: (16.0 GB/14.9 GiB)
Jan 17 17:34:52 champagne kernel: [30045.250007] sd 7:0:0:0: [sdc] Write
Protect is off
Jan 17 17:34:52 champagne kernel: [30045.250013] sd 7:0:0:0: [sdc] Mode
Sense: 23 00 00 00
Jan 17 17:34:52 champagne kernel: [30045.250018] sd 7:0:0:0: [sdc]
Assuming drive cache: write through
Jan 17 17:34:52 champagne kernel: [30045.250028]  sdc: sdc1
Jan 17 17:34:52 champagne kernel: [30045.250863] sd 7:0:0:0: [sdc]
Attached SCSI removable disk
Jan 17 17:34:52 champagne kernel: [30045.251074] sd 7:0:0:0: Attached
scsi generic sg3 type 0
Jan 17 17:39:49 champagne kernel: [30342.166347] usb 4-5: USB
disconnect, address 5
Jan 17 17:39:49 champagne kernel: [30342.273029] usb 4-3: reset high
speed USB device using ehci_hcd and address 4

Is this a usb problem? 

thanks Eric

> 
> -Eric
-- 
---
Cordiali Saluti
Alessandro Bono

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