Re: USB: Buffer I/O error on device dm-0, logical block XYZ

From: Robert Hancock
Date: Mon Apr 13 2009 - 20:47:51 EST


(ccing linux-usb)

Andreas wrote:
More information from dmesg:

[ 223.882858] EXT3 FS on dm-0, internal journal
[ 223.882917] EXT3-fs: recovery complete.
[ 223.924925] EXT3-fs: mounted filesystem with ordered data mode.
[ 967.909484] kjournald starting. Commit interval 5 seconds
[ 967.915929] EXT3 FS on dm-0, internal journal
[ 967.917466] EXT3-fs: mounted filesystem with ordered data mode.
[ 1740.369047] ehci_hcd 0000:00:10.3: fatal error
[ 1740.370244] ehci_hcd 0000:00:10.3: HC died; cleaning up
[ 1740.370489] usb 1-3: USB disconnect, address 2

This is the real killer here, everything else is just collateral damage. Looks like your USB host controller indicated a fatal host system error, apparently because of an error on the PCI bus, which seems rather bizarre. Some kind of hardware problem?

[ 1740.394603] sd 2:0:0:0: [sdb] Unhandled error code
[ 1740.394636] sd 2:0:0:0: [sdb] Result: hostbyte=DID_NO_CONNECT
driverbyte=DRIVER_OK,SUGGEST_OK
[ 1740.394671] end_request: I/O error, dev sdb, sector 614444231
[ 1740.394867] Buffer I/O error on device dm-0, logical block 76805264
[ 1740.394943] lost page write due to I/O error on dm-0
[ 1740.394984] Buffer I/O error on device dm-0, logical block 76805265
[ 1740.395053] lost page write due to I/O error on dm-0
[ 1740.395149] sd 2:0:0:0: [sdb] Unhandled error code
[ 1740.395164] sd 2:0:0:0: [sdb] Result: hostbyte=DID_NO_CONNECT
driverbyte=DRIVER_OK,SUGGEST_OK
[ 1740.395191] end_request: I/O error, dev sdb, sector 614444247
[ 1740.395519] Buffer I/O error on device dm-0, logical block 76805266
[ 1740.395607] lost page write due to I/O error on dm-0
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