Bug#442508: coreutils: dd demolishes my computer

[Moritz Muehlenhoff <jmm@inutil.org>]

tags 442508 moreinfo
thanks

On Thu, Oct 11, 2007 at 07:05:07PM +0200, Toni Mueller wrote:
> 
> Hi,
> 
> On Mon, 17.09.2007 at 20:04:24 -0400, Michael Stone <mstone@debian.org> wrote:
> > I'm going to reassign this to linux-image. The basic problem seems to be 
> > the loss of responsiveness, which is probably caused by excessive 
> > amounts of large block size IO on the encrypted volume. There's a 
> > possible issue with the OOM killer.
> 
> FWIW, today I also saw OOM killer in (broken?) action. Imho, OOM killer
> should only trigger if there's at least either no more RAM to work
> with, and note this in the syslog, or when swap is exhausted.
> 
> My kern.log has this, with the time stamp and hostname removed:
> 
> DMA: 465*4kB 17*8kB 1*16kB 1*32kB 1*64kB 0*128kB 1*256kB 1*512kB 1*1024kB 1*2048kB 0*4096kB = 5948kB
> DMA32: empty
> Normal: empty
> HighMem: empty
> Swap cache: add 2195725, delete 2046650, find 782418/975703, race 1+47
> Free swap  = 2489952kB
> Total swap = 4194296kB
> Free swap:       2489952kB
> 483649 pages of RAM
> 14999 reserved pages
> 70 pages shared
> 149071 pages swap cached
> 
> Unfortunately, I can't make too much out of these numbers.

Hi,
The next release of Debian (6.0, code name Squeeze) will be based
on 2.6.32. Please test the current 2.6.32 from unstable/testing and tell
us whether the problem persists. 

The 2.6.32 kernel is available from packages.debian.org and can
be installed in both Debian stable, testing and unstable
installations.

Thanks,
        Moritz