Re: [Qemu-devel] scsi-hd with discard_granularity and unmap results in Aborted Commands

[Paolo Bonzini]

Il 19/11/2012 16:04, Stefan Priebe - Profihost AG ha scritto:
> [   49.183366] sd 2:0:0:1: [sdb]
> [   49.183366] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
> [   49.183366] sd 2:0:0:1: [sdb]
> [   49.183366] Sense Key : Aborted Command [current]
> [   49.183366] sd 2:0:0:1: [sdb]
> [   49.183366] Add. Sense: I/O process terminated
> [   49.183366] sd 2:0:0:1: [sdb] CDB:
> [   49.183366] Write same(16): 93 08 00 00 00 00 03 ff ff f8 00 7f ff ff
> 00 00
> [   49.183366] end_request: I/O error, dev sdb, sector 67108856
> [   49.183366] sd 2:0:0:1: [sdb]
> [   49.183366] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
> [   49.183366] sd 2:0:0:1: [sdb]
> [   49.183366] Sense Key : Aborted Command [current]
> [   49.183366] sd 2:0:0:1: [sdb]
> [   49.183366] Add. Sense: I/O process terminated
> [   49.183366] sd 2:0:0:1: [sdb] CDB:
> [   49.183366] Write same(16): 93 08 00 00 00 00 04 7f ff f7 00 62 00 09
> 00 00
> [   49.183366] end_request: I/O error, dev sdb, sector 75497463

This is not a cancel.  It happens when the block layer reports an error.
 You can try adding a printf to rbd_aio_bh_cb, like "if (acb->ret < 0)
printf("error... %d\n", acb->ret);".

Paolo