[lkml]   [2011]   [Nov]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: iwlagn: memory corruption with WPA enterprise

On Wed, Nov 09, 2011 at 05:51:59PM +0100, Stanislaw Gruszka wrote:
> I just discovered that CONFIG_DEBUG_PAGEALLOC does not work as expected.
> It leave most of free pages unprotected, hence unintentional write to
> them is not discovered. I'm attaching additional patch, which should
> make detection actually work.
> If kernel will does not boot with corrupt_dbg=1, you may try to catch
> corruption without that option. Attached patch should make it possible,
> however having corrupt_dbg=1 increase probability of the catch.

Okay, I applied this additional patch, and by the increased memory usage (as
shown by free) I concluded that it indeed works. However, I was still able to
reproduce the issue without a single error being written to dmesg. :-(

I will try some really old kernels as Wey suggested to see whether it makes
any sense to bisect it, but if it does, it might take more time than I can
make free. Perhaps it would be cheaper to just get another card in that case.

Kind regards,
Tomáš Janoušek, a.k.a. Liskni_si,
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
More majordomo info at
Please read the FAQ at

 \ /
  Last update: 2011-11-10 10:21    [W:0.083 / U:4.764 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site