Red Hat Bugzilla – Bug 7332
Disk cache problems
Last modified: 2008-05-01 11:37:53 EDT
After playing sound files for awhile I get the message:
sound: cannot allocate dma buffer.
It seems to happen when all available ram is being used by the disk cache.
Also at this time, the system starts using the swap space instead of
freeing some space from the disk cache.
Is there any way to limit the disk cache space so that this does not
You will need a more recent kernel that has this problem fixed.