lkml.org 
[lkml]   [2006]   [Jul]   [4]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: [PATCH] 2.6.17-rt1 : fix x86_64 oops
    On Mon, Jul 03, 2006 at 10:27:50PM +0530, Dipankar Sarma wrote:
    > On Thu, Jun 29, 2006 at 10:11:45PM +0200, Ingo Molnar wrote:
    > >
    > > * Paul E. McKenney <paulmck@us.ibm.com> wrote:
    > > > OK, I ran this with both torture types (rcu and rcu_bh) on i386 with
    > > > CONFIG_PREEMPT=y on 2.6.17-mm4 and didn't see any "scheduling while
    > > > atomic" oopses -- or any other oopses, for that matter.
    > > >
    > > > Here is the .config file I used. What am I missing here?
    > >
    > > hm, i'm seeing some other types of crashes too - so rcutorture could
    > > just have been collateral damage. It was on i386, an allyesconfig
    > > bzImage kernel.
    >
    > With 2.6.17-rt5 I see this -
    >
    > Starting pass 0
    > Unable to handle kernel paging request at ffffffff88006bd0 RIP:
    > <ffffffff802597d5>{rcu_process_callbacks+107}
    > rcutorture: --- End of test: SUCCESS: nreaders=8 stat_interval=1PGD 203027 PUD 205027 PMD 21eb18067 PTE 21829f163
    > Oops: 0000 [1] PREEMPT SMP
    > CPU 1
    >
    > I have been able to reproduce a similar looking oopse with 2.6.16-rt29.
    > 2.6.16-rt20 works fine. I will try to track it down to the exact
    > release as far as I can.

    OK, it looks as if rt20 is fine but rt21 is broken. So something
    that got in rt21 is causing this oops.

    Ingo, do you have a suspect ?

    Thanks
    Dipankar
    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2006-07-04 06:21    [W:0.039 / U:120.152 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site