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    SubjectRe: kernel 2.6.28 XFS internal error xfs_da_do_buf(2) at line 2112 of file fs/xfs/xfs_da_btree.c
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    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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