[3411] in linux-scsi channel archive
SCSI tape error (Can't allocate new tape buffer)
daemon@ATHENA.MIT.EDU (Glynn Clements)
Thu Feb 26 18:26:07 1998
Date: Thu, 26 Feb 1998 20:29:14 GMT
From: Glynn Clements <glynn@sensei.co.uk>
To: linux-scsi@vger.rutgers.edu
I'm having a problem with a SCSI DAT drive, which is causing backups
to fail.
System: Linux 2.0.27, Intel Pentium Pro, Adaptec AIC-7871, HP35470A.
The info from the log file is:
Feb 25 03:00:01 server kernel: Detected scsi tape st0 at scsi0, channel 0, id 5, lun 0
Feb 25 03:00:01 server kernel: st: Buffer size 32768 bytes, write threshold 30720 bytes.
Feb 25 03:00:01 server kernel: st: Can't allocate new tape buffer (nbr 0).
Feb 25 03:00:01 server kernel: No tape buffers allocated at initialization.
Feb 25 03:00:01 server kernel: st: Can't allocate new tape buffer (nbr 0).
Feb 25 03:01:01 server kernel: st: Unloaded.
Everything has worked fine for several months now, but in the past few
weeks the problem has started to occur intermittently. Sometimes it
works, sometimes it doesn't.
Nothing about the system has changed recently.
Is this a known problem, and is there a solution?
[NB: please reply directly if you have any information]
--
Glynn Clements <glynn@sensei.co.uk>
server:/var/log$ uname -a
Linux server 2.0.27 #11 Tue May 20 17:18:30 BST 1997 i686
server:/var/log$ cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: Quantum Model: XP32150W Rev: L912
Type: Direct-Access ANSI SCSI revision: 02
Host: scsi0 Channel: 00 Id: 01 Lun: 00
Vendor: SEAGATE Model: ST52160N Rev: 0285
Type: Direct-Access ANSI SCSI revision: 02
Host: scsi0 Channel: 00 Id: 05 Lun: 00
Vendor: HP Model: HP35470A Rev: T503
Type: Sequential-Access ANSI SCSI revision: 02
Host: scsi0 Channel: 00 Id: 06 Lun: 00
Vendor: PIONEER Model: CD-ROM DR-U10X Rev: 1.07
Type: CD-ROM ANSI SCSI revision: 02
server:/var/log$ cat /proc/pci
PCI devices found:
Bus 0, device 15, function 0:
VGA compatible controller: Cirrus Logic Unknown device (rev 0).
Vendor id=1013. Device id=b8.
Medium devsel.
Prefetchable 32 bit memory at 0xfe000000.
Bus 0, device 11, function 0:
SCSI storage controller: Adaptec AIC-7871 (rev 0).
Medium devsel. Fast back-to-back capable. IRQ 11. Master Capable. Latency=64. Min Gnt=8.Max Lat=8.
I/O at 0xfc00.
Non-prefetchable 32 bit memory at 0xffbef000.
Bus 0, device 7, function 1:
IDE interface: Intel 82371SB Natoma/Triton II PIIX3 (rev 0).
Medium devsel. Fast back-to-back capable. Master Capable. Latency=64.
I/O at 0xffa0.
Bus 0, device 7, function 0:
ISA bridge: Intel 82371SB Natoma/Triton II PIIX3 (rev 1).
Medium devsel. Fast back-to-back capable. Master Capable. No bursts.
Bus 0, device 0, function 0:
Host bridge: Intel 82441FX Natoma (rev 2).
Medium devsel. Fast back-to-back capable. Master Capable. Latency=64.
server:/var/log$ sudo mt status
SCSI 2 tape drive:
File number=0, block number=0, partition=0.
Tape block size 0 bytes. Density code 0x13 (DDS (61000 bpi)).
Soft error count since last status=0
General status bits on (41010000):
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