Re: memory not released after using cdrecord/cdrdao (was: audio cd writing causes massive swap and crash)

[William Lee Irwin III]

* Ed Sweetman [Sat, Jul 17 2004, 04:00:13PM]:
>> Both with 2.6.7-rc3 and 2.6.8-rc1-mm1 I get the same behavior when 
>> writing an audio cd on my plextor px-712a.  DMA is enabled and normal 
>> data cds write as expected, but audio cds will cause (at any speed) the 
>> box to start using insane amounts of swap (>150MB) and eventually cause 

On Sun, Jul 25, 2004 at 11:46:05AM +0200, Eduard Bloch wrote:
> Just FYI: we have a similar bug description in the Debian BTS, where the
> user reports that kernel does not release memory assigned to userspace
> after cdrdao or cdrecord have used it (writting in DAO mode), though he
> could not find what allocated this memory. For details:
> http://bugs.debian.org/256871 (dump attached).

Is there any way we could get a characterization of the kind of memory
that's proliferating here? e.g. could you snapshot /proc/meminfo,
/proc/slabinfo, and /proc/vmstat at regular intervals during the run?


-- wli
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