From: Ruud Linders <rkmp@xs4all.nl>
To: linux-kernel@vger.kernel.org
Subject: SCSI Tape hangs when no tape loaded (2.5.6x)
Date: Sun, 16 Feb 2003 15:17:36 +0100 [thread overview]
Message-ID: <3E4F9D80.2000206@xs4all.nl> (raw)
On both 2.5.60 and 2.5.61 when there is no tape loaded in my SCSI DAT
tape drive, access to the drive blocks for exactly 2 minutes
before timing out and giving an I/O error.
# mt stat
....... < 2 minutes later > ...
/dev/tape: Input/output error
< me putting a tape in the unit>
# mt stat
SCSI 2 tape drive:
File number=0, block number=0, partition=0.
Tape block size 0 bytes. Density code 0x25 (DDS-3).
Soft error count since last status=0
General status bits on (45010000):
BOT WR_PROT ONLINE IM_REP_EN
I don't remember seeing this on earlier 2.5.5[0-3] or so kernels,
looks like a bug in the SCSI layer.
Output from dmesg (2.5.61):
SCSI subsystem driver Revision: 1.00
scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.8
<Adaptec 2940A Ultra SCSI adapter>
aic7860: Ultra Single Channel A, SCSI Id=7, 3/253 SCBs
Vendor: HP Model: C1537A Rev: L105
Type: Sequential-Access ANSI SCSI revision: 02
Vendor: PLEXTOR Model: CD-ROM PX-20TS Rev: 1.02
Type: CD-ROM ANSI SCSI revision: 02
Vendor: TOSHIBA Model: DVD-ROM SD-M1201 Rev: 1R08
Type: CD-ROM ANSI SCSI revision: 02
Vendor: YAMAHA Model: CRW8424S Rev: 1.0j
Type: CD-ROM ANSI SCSI revision: 02
st: Version 20020805, bufsize 32768, wrt 30720, max init. bufs 4, s/g
segs 16
Attached scsi tape st0 at scsi0, channel 0, id 2, lun 0
Attached scsi CD-ROM sr0 at scsi0, channel 0, id 3, lun 0
Attached scsi CD-ROM sr1 at scsi0, channel 0, id 5, lun 0
Attached scsi CD-ROM sr2 at scsi0, channel 0, id 6, lun 0
(scsi0:A:3): 10.000MB/s transfers (10.000MHz, offset 15)
sr0: scsi-1 drive
Uniform CD-ROM driver Revision: 3.12
(scsi0:A:5): 20.000MB/s transfers (20.000MHz, offset 15)
sr1: scsi3-mmc drive: 32x/32x cd/rw xa/form2 cdda tray
(scsi0:A:6): 20.000MB/s transfers (20.000MHz, offset 15)
sr2: scsi3-mmc drive: 24x/16x writer cd/rw xa/form2 cdda tray
--
Ruud Linders
next reply other threads:[~2003-02-16 14:07 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-02-16 14:17 Ruud Linders [this message]
2003-02-16 15:25 ` SCSI Tape hangs when no tape loaded (2.5.6x) Kai Makisara
-- strict thread matches above, loose matches on Subject: below --
2003-02-16 16:21 Ruud Linders
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