Re: Memory management problem with 2.6.0

[Andrew Morton <akpm@osdl.org>]

caszonyi@rdslink.ro wrote:
>
> On Sat, 27 Dec 2003, Andrew Morton wrote:
> 
> > caszonyi@rdslink.ro wrote:
> > >
> > > I have a small script:
> > >  #!/bin/sh
> > >  umount /mnt/cdrom
> > >  eject /dev/hdb
> > >  echo "Invalid system disk"
> > >  echo "Insert and press any key when ready"
> > >  read junk
> > >  eject -t /dev/hdb
> > >  sleep 1
> > >  mount /mnt/cdrom
> > >  /usr/sbin/hdparm -E 10 /dev/hdb
> > >
> > >  It works all the time but today gave me this:
> > >
> > >  In the logs I had:
> > >  Dec 27 19:06:16 grinch kernel: eject: page allocation failure. order:4,
> > >  mode:0xd0
> >
> > Please, try
> >
> > 	ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.0/2.6.0-mm1/broken-out/cdrom-allocation-try-harder.patch
> >
> > and let me know?
> >
> 
> for cdrom it *seems* to work.
> 
> The problem continues however for other applications
> It is not specific to the ide-cd driver. The same problem happens
> sometimes
> with mplayer also
> 
> Dec 30 22:07:12 grinch kernel: mplayer: page allocation failure. order:4,
> mode:0x21

OK, there's another one.  Please apply

	ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.0/2.6.0-mm2/broken-out/page-alloc-failure-dump_stack.patch

and send the backtrace.