Please reply if this is still an issue on a supported release.
** Changed in: pm-utils (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/440338
Title:
reading data from firewire drive stalls, ieee1394 errors appear in
messages
Status in “pm-utils” package in Ubuntu:
Invalid
Bug description:
When playing video from an external ieee1394 drive with mplayer
(unsure if it occurs other times too), the video will stall at an
irregular interval. After a second or two it will start playing
again.
During this time, 'top' reports ~100% CPU utilization waiting for I/O (%wa),
and the following lines are dumped in /var/log/messages:
Oct 1 23:13:42 ginger kernel: [260307.000180] ieee1394: sbp2: aborting sbp2
command
Oct 1 23:13:42 ginger kernel: [260307.000213] sd 2:0:0:0: [sdb] CDB: ATA
command pass through(16): 85 08 2e 00 00 00 00 00 00 00 00 00 00 40 a1 00
Oct 1 23:13:42 ginger kernel: [260362.000084] ieee1394: sbp2: aborting sbp2
command
Oct 1 23:13:42 ginger kernel: [260362.000103] sd 2:0:0:0: [sdb] CDB: ATA
command pass through(16): 85 08 2e 00 00 00 00 00 00 00 00 00 00 40 ec 00
Oct 1 23:13:42 ginger kernel: [260370.000194] ieee1394: sbp2: aborting sbp2
command
Oct 1 23:13:42 ginger kernel: [260370.000221] sd 2:0:0:0: [sdb] CDB: ATA
command pass through(16): 85 08 2e 00 00 00 00 00 00 00 00 00 00 40 a1 00
This happens about once every 1-20 minutes, averaging about 4 or 5 minutes
(pretty irregular, I don't see a pattern).
Also, going back in the log there is a steady stream of these messages, even
when the machine is otherwise idle. So it is not access via mplayer, that is
simply a symptom that makes it obvious (and annoying).
The external drive is a 1TB western digital caviar green WD10EADS
living in a Macally G-S350SUA firewire 400 enclosure. I presume the
ubuntu-bug has already collected by other system information.
ProblemType: Bug
Architecture: i386
Date: Thu Oct 1 23:14:03 2009
DistroRelease: Ubuntu 9.10
Package: linux-generic 2.6.31.11.22
ProcEnviron:
LANGUAGE=en_US:en
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcVersionSignature: Ubuntu 2.6.31-11.36-generic
SourcePackage: linux-meta
Uname: Linux 2.6.31-11-generic i686
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