Do you also get those events in
udevadm monitor --kernel --property
? If so, they come from the kernel and the mere fact that the device is
written to, and it needs to be fixed there. If not, that'd confirm that
they are synthesized by udev (I wouldn't know where, but let's find
out). Thanks!
Ah, I just noticed that this wasn't the final lucid udev yet. In that
version, we indeed didn't open the CD in exclusive mode in cdrom_id.
This was fixed in
http://git.kernel.org/?p=linux/hotplug/udev.git;a=commitdiff;h=38a3cde11bc77af49a96245b8a8a0f2b583a344c
thus it should be fixed in lucid
While I'm not the bug reporter, in case it helps:
In karmic, I was having what appeared to be this exact problem (errors
and slow burning that could be worked around by stopping udev).
A recent upgrade to lucid seems to have solved the problem for me.
--
excessive udev activity during dvd
FWIW, perhaps it's worth trying a workaround from
http://lists.alioth.debian.org/pipermail/debburn-
devel/2010-May/000784.html:
udevadm control --stop-exec-queue
(before writing a disc) and (to restore udev behaviour):
udevadm control --start-exec-queue
(I just ran into this bug while chasing
** Attachment removed: udev
http://launchpadlibrarian.net/38762824/udev
--
excessive udev activity during dvd burning
https://bugs.launchpad.net/bugs/517216
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confirmed identical behaviour with brasero.
with the brasero run, I generated monitor output (attached).
discovered from monitor log that kernel is generating lots of events as soon as
burning starts. First a lot of scsi events (3-5/sec), then a burst of block
events (about 200 events in about
** Attachment added: udev monitor output (brasero run)
http://launchpadlibrarian.net/38791412/mon
--
excessive udev activity during dvd burning
https://bugs.launchpad.net/bugs/517216
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** Attachment added: syslog
http://launchpadlibrarian.net/38762806/syslog
--
excessive udev activity during dvd burning
https://bugs.launchpad.net/bugs/517216
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** Attachment added: udev
http://launchpadlibrarian.net/38762824/udev
--
excessive udev activity during dvd burning
https://bugs.launchpad.net/bugs/517216
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