Chuck Ebbert wrote:
https://bugzilla.redhat.com/show_bug.cgi?id=243568
Using kernel 2.6.22:
Aug 29 17:08:11 itox kernel: ata2.00: ATAPI: Seagate STT8000A, 5.51, max MWDMA2
Aug 29 17:08:11 itox kernel: ata2.00: configured for MWDMA2
Aug 29 17:08:11 itox kernel: scsi 1:0:0:0: Sequential-Access Seagate STT8000A 5.51 PQ: 0 ANSI: 2
Aug 29 17:08:12 itox kernel: scsi 1:0:0:0: Attached scsi generic sg1 type 1
Aug 29 17:08:12 itox kernel: st: Version 20070203, fixed bufsize 32768, s/g segs 256
Aug 29 17:08:12 itox kernel: st 1:0:0:0: Attached scsi tape st0
Aug 29 17:08:12 itox kernel: st 1:0:0:0: st0: try direct i/o: yes (alignment 512 B)
Aug 29 17:08:12 itox kernel: ata2: DRQ=1 with device error, dev_stat 0x59
Aug 29 17:08:12 itox kernel: ata2.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x2 frozen
Aug 29 17:08:12 itox kernel: ata2.00: cmd a0/00:00:00:00:20/00:00:00:00:00/a0 tag 0 cdb 0x0 data 0
Aug 29 17:08:12 itox kernel: res 51/60:03:00:00:20/00:00:00:00:00/a0 Emask 0x3 (HSM violation)
DRQ=1 is quite unusual, and would definitely trigger the problems
further down (that I snipped)...
Jeff
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