Public bug reported:
System details:
3.16.0-14-generic #20-Ubuntu SMP Sat Sep 6 23:53:03 UTC 2014 i686 i686 i686
GNU/Linux
Ubuntu 3.16.0-14.20-generic 3.16.2
Description: Ubuntu Utopic Unicorn (development branch)
Release: 14.10
Ubuntu 140.10 32bit 11 sept daily build.
Partitioning a fiber channel disk ( dev/sdc in this example) outputs the
following error:
The partition table has been altered.
Calling ioctl() to re-read partition table.
/dev/sdc: close device failed: Remote I/O error
And dmesg outputs as follows:
[ 252.811026] sdc: sdc1
[ 252.818117] hv_storvsc vmbus_0_15: cmd 0x35 scsi status 0x0 srb status 0x4
[ 262.822050] hv_storvsc vmbus_0_15: cmd 0x0 scsi status 0x0 srb status 0x4
[ 262.822834] hv_storvsc vmbus_0_15: cmd 0x35 scsi status 0x0 srb status 0x4
[ 272.826196] hv_storvsc vmbus_0_15: cmd 0x0 scsi status 0x0 srb status 0x4
[ 272.826525] hv_storvsc vmbus_0_15: cmd 0x0 scsi status 0x0 srb status 0x4
[ 272.826530] hv_storvsc vmbus_0_15: cmd 0x35 scsi status 0x0 srb status 0x4
[ 282.830372] hv_storvsc vmbus_0_15: cmd 0x0 scsi status 0x0 srb status 0x4
[ 282.830999] hv_storvsc vmbus_0_15: cmd 0x35 scsi status 0x0 srb status 0x4
[ 292.834227] hv_storvsc vmbus_0_15: cmd 0x0 scsi status 0x0 srb status 0x4
[ 292.834686] hv_storvsc vmbus_0_15: cmd 0x35 scsi status 0x0 srb status 0x4
[ 302.838349] hv_storvsc vmbus_0_15: cmd 0x0 scsi status 0x0 srb status 0x4
[ 302.838648] hv_storvsc vmbus_0_15: cmd 0x0 scsi status 0x0 srb status 0x4
[ 302.838653] hv_storvsc vmbus_0_15: cmd 0x35 scsi status 0x0 srb status 0x4
[ 312.842407] hv_storvsc vmbus_0_15: cmd 0x0 scsi status 0x0 srb status 0x4
[ 312.842497] end_request: critical target error, dev sdc, sector 0
[ 312.850527] hv_storvsc vmbus_0_15: cmd 0x0 scsi status 0x0 srb status 0x4
[ 312.913987] hv_storvsc vmbus_0_15: cmd 0x0 scsi status 0x0 srb status 0x4
[ 312.969034] hv_storvsc vmbus_0_15: cmd 0x0 scsi status 0x0 srb status 0x4
[ 312.969207] hv_storvsc vmbus_0_15: cmd 0x0 scsi status 0x0 srb status 0x4
[ 350.280834] hv_storvsc vmbus_0_15: cmd 0x0 scsi status 0x0 srb status 0x4
[ 350.295070] hv_storvsc vmbus_0_15: cmd 0x0 scsi status 0x0 srb status 0x4
[ 350.295486] hv_storvsc vmbus_0_15: cmd 0x0 scsi status 0x0 srb status 0x4
[ 350.297265] hv_storvsc vmbus_0_15: cmd 0x0 scsi status 0x0 srb status 0x4
[ 355.886817] hv_storvsc vmbus_0_15: cmd 0x0 scsi status 0x0 srb status 0x4
[ 360.588873] hv_storvsc vmbus_0_15: cmd 0x35 scsi status 0x0 srb status 0x4
[ 370.590883] hv_storvsc vmbus_0_15: cmd 0x0 scsi status 0x0 srb status 0x4
[ 370.595090] hv_storvsc vmbus_0_15: cmd 0x35 scsi status 0x0 srb status 0x4
[ 380.598923] hv_storvsc vmbus_0_15: cmd 0x0 scsi status 0x0 srb status 0x4
[ 380.603236] hv_storvsc vmbus_0_15: cmd 0x35 scsi status 0x0 srb status 0x4
[ 390.607027] hv_storvsc vmbus_0_15: cmd 0x0 scsi status 0x0 srb status 0x4
[ 390.611269] hv_storvsc vmbus_0_15: cmd 0x35 scsi status 0x0 srb status 0x4
[ 400.615049] hv_storvsc vmbus_0_15: cmd 0x0 scsi status 0x0 srb status 0x4
[ 400.619307] hv_storvsc vmbus_0_15: cmd 0x35 scsi status 0x0 srb status 0x4
[ 410.623210] hv_storvsc vmbus_0_15: cmd 0x0 scsi status 0x0 srb status 0x4
[ 410.627399] hv_storvsc vmbus_0_15: cmd 0x35 scsi status 0x0 srb status 0x4
[ 420.631351] hv_storvsc vmbus_0_15: cmd 0x0 scsi status 0x0 srb status 0x4
[ 420.631464] end_request: critical target error, dev sdc, sector 0
[ 420.641937] hv_storvsc vmbus_0_15: cmd 0x35 scsi status 0x0 srb status 0x4
[ 430.643287] hv_storvsc vmbus_0_15: cmd 0x0 scsi status 0x0 srb status 0x4
And yet I can mount, read/write on the disk ( after creating a
filesystem ).
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1369976
Title:
[Hyper-V] Fiber Channel Disk Remote I/O error
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