[issue2181] contigmalloc_map() failure

Sepherosa Ziehau sepherosa at gmail.com
Wed Nov 9 01:10:38 PST 2011

On Mon, Nov 7, 2011 at 4:34 AM, Magliano Andrea (via DragonFly issue
tracker) <sinknull at leaf.dragonflybsd.org> wrote:
> New submission from Magliano Andrea <masterblaster at tiscali.it>:
> Somewhere between v2.13.0-39-gc3ec66..v2.13.0-204-gdf5ed code changes cause now
> xorg radeon driver to fail memory allocation, falling back to sw operation; this
> mean no dri and no Xv (guess how long windows scrolling takes with a full HD
> monitor...)
> >From dmesg:
> contigmalloc_map: failed size 33554432 low=0 high=ffffffff align=4096 boundary=0
> flags=00000102
> Happens everytime at system startup where no heavy memory load / fragmentation
> should happen. Allocation size is 1/127 of low--high range (so not a terrific
> one), flags are NOWAIT|ZERO.

Change NOWAIT -> WAITOK, and then give it a try.

Best Regards,

Tomorrow Will Never Die

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