On Tue, 28 Feb 2017 22:20:58 -0800 James Bottomley <j...@linux.vnet.ibm.com> wrote:
> On Tue, 2017-02-28 at 17:25 -0800, Stephen Hemminger wrote: > > [ 1.346023] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb > > status 0x20 length 36 > > [ 1.352913] inquiry data: 00000000: 00 aa be f1 5c 98 ff ff f0 64 > > 02 89 ff ff ff ff > > [ 1.356543] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 > > 00 00 00 00 00 00 > > [ 1.359996] inquiry data: 00000020: 00 00 00 00 > > [ 1.361835] scsi host1: scsi scan: INQUIRY result too short (5), > > using 36 > > [ 1.361888] hv_storvsc: IO cmd 0xa0 0x0 0x0 scsi status 0x0 srb > > status 0x1 length 16 > > [ 1.362307] hv_storvsc: IO cmd 0x12 0x0 0x0 scsi status 0x0 srb > > status 0x1 length 36 > > [ 1.362308] inquiry data: 00000000: 00 23 34 f1 5c 98 ff ff f0 64 > > 02 89 ff ff ff ff > > [ 1.362309] inquiry data: 00000010: 00 00 00 00 00 00 00 00 00 00 > > 00 00 00 00 00 00 > > [ 1.362309] inquiry data: 00000020: 00 00 00 00 > > [ 1.377423] scsi 1:0:0:1: Direct-Access > > PQ: 0 ANSI: 0 > > Well, this pinpoints the fault to the block uncopy, I think. The > Inquiry data is clearly correct in the page frame, so it's not getting > copied to the scsi_execute() buffer for some reason. > > James > Let me know, I can run another test and dump more data.
