Re: [BUG 3.0.0-rc1] ksm: NULL pointer dereference in ksm_do_scan()

[Andrea Arcangeli]

On Thu, Jun 02, 2011 at 07:31:43AM -0700, Chris Wright wrote:
> * CAI Qian (caiqian@xxxxxxxxxx) wrote:
> > madvise(0x2210000, 4096, 0xc /* MADV_??? */) = 0
> > --- SIGSEGV (Segmentation fault) @ 0 (0) ---
> 
> Right, that's just what the program is trying to do, segfault.
> 
> > +++ killed by SIGSEGV (core dumped) +++
> > Segmentation fault (core dumped)
> > 
> > Did I miss anything?
> 
> I found it works but not 100% of the time.
> 
> So I just run the bug in a loop.

echo 0 >scan_millisecs helps.
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