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User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; YComp
188.8.131.52; SV1; .NET CLR 1.0.3705; .NET CLR 1.1.4322)
Description of problem:
I upgraded to 2.6.8-1.521. Everything was fine until I tried to write
to my USB CD recorder. If I run top, I can see the amount of free
memory drop rapidly during the write until the system starts killing
This did not happen on previous kernels
Version-Release number of selected component (if applicable):
Steps to Reproduce:
1. Attach a CD-RW drive to the USB2 interface
2. cdrecord -v dev=/dev/scd0 blank=fast driveropts=burnfree speed=10 -
3. Run top in a different virtual console. Watch the free memory drop
Actual Results: System runs out of memory (free memory drops by
about 500k /sec.
Expected Results: Free memory should stay more or less constant
Created attachment 103326 [details]
Output from dmesg
Created attachment 103327 [details]
Output from lsmod
Created attachment 103328 [details]
Output from lsusb
Created attachment 103329 [details]
Output from /var/log/messages
Actually, I was burning audio CDs at the time.
The command line should be cdrecord -v dev=/dev/scd0 speed=4
driveropts=burnfree -multi -pad -audio 45min.wav
I downgraded to the 2.6.7-1.494.2.2 kernel to see if I could
reproduce the problem.
I do notice that a lot of memory moves from free to cached under the
2.6.7 kernel. I suppose this is normal. I can't remember if this
happened under 2.6.8
Just to add a "me too" that this issue occurs with me using "cdrdao
write --device /dev/cdrom --driver generic-mmc audiocd.toc
" /dev/cdrom->/dev/hdd. Rebooted under 2.6.6 and all was normal.
Logs don't provide useful information except the auto killing of
This is probably
See also bug #132180
this should be fixed in the latest updates.