Thank you Qian, do you happen to have qemu arguments that you used?
Thank you,
Pasha
On Tue, Mar 19, 2019 at 3:35 PM Qian Cai <cai@xxxxxx> wrote:
>
> On Tue, 2019-03-19 at 15:27 -0400, Pavel Tatashin wrote:
> > > So reverting this patch on the top of the mainline fixed the memory
> > > corruption
> > > for me or at least make it way much harder to reproduce.
> > >
> > > dbe2d4e4f12e ("mm, compaction: round-robin the order while searching the
> > > free
> > > lists for a target")
> > >
> > > This is easy to reproduce on both KVM and bare-metal using the reproducer.
> > >
> > > # swapoff -a
> > > # i=0; while :; do i=$((i+1)); echo $i | tee /tmp/log ;
> > > /opt/ltp/testcases/bin/oom01; sleep 5; done
> > >
> > > The memory corruption always happen within 300 tries. With the above patch
> > > reverted, both the mainline and linux-next survives with 1k+ attempts so
> > > far.
> >
> > Could you please share copy of your config.
>
> https://git.sr.ht/~cai/linux-debug/tree/master/config
