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SubjectRe: [PATCH] 2.6.17-rt1 : fix x86_64 oops
On Thu, Jun 29, 2006 at 04:24:42PM +0200, Ingo Molnar wrote:
>
> * Dipankar Sarma <dipankar@in.ibm.com> wrote:
>
> > OK, I need to catch up, but I see a lot of oops while running
> > rcutorture in my box (rt1). I am investigating this atm.
>
> fyi, 2.6.17-mm4 throws tons of these:
>
> BUG: scheduling while atomic: rcu_torture_rea/0x00010000/1471
> [<c0106123>] show_trace+0xd/0x10
> [<c010613d>] dump_stack+0x17/0x1a
> [<c123b4e2>] schedule+0x61/0xc61
> [<c015f380>] rcu_torture_reader+0x12e/0x17e
> [<c014101f>] kthread+0xc4/0xf0
> [<c0102005>] kernel_thread_helper+0x5/0xb

Probably the fault of my new ops-ization of rcutorture.c. :-/
(For whatever it is worth, Dipankar would still be using the older
non-ops-ized version of rcutorture.c.)

Did you get these oopses with default setting of torture_type, or did you
specify torture_type=rcu_bh or torture_type=srcu to the modprobe command?

This was on i386, x86_64, or on something else?

Ah! This would have been a CONFIG_PREEMPT build, right?

Thanx, Paul
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