Re: divide error: bdi_dirty_limit+0x5a/0x9e

From: Conny Seidel
Date: Mon Sep 24 2012 - 14:14:30 EST


Hi,

On Mon, 24 Sep 2012 16:36:09 +0200
Borislav Petkov <bp@xxxxxxxxx> wrote:
>[ â ]
>
>Conny, would you test pls?

Sure thing.
Out of ~25 runs I only triggered it once, without the patch the
trigger-rate is higher.

[ 55.098249] Broke affinity for irq 81
[ 55.105108] smpboot: CPU 1 is now offline
[ 55.311216] smpboot: Booting Node 0 Processor 1 APIC 0x11
[ 55.333022] LVT offset 0 assigned for vector 0x400
[ 55.545877] smpboot: CPU 2 is now offline
[ 55.753050] smpboot: Booting Node 0 Processor 2 APIC 0x12
[ 55.775582] LVT offset 0 assigned for vector 0x400
[ 55.986747] smpboot: CPU 3 is now offline
[ 56.193839] smpboot: Booting Node 0 Processor 3 APIC 0x13
[ 56.212643] LVT offset 0 assigned for vector 0x400
[ 56.423201] Got negative events: -25

The Divide error wasn't triggered with the patch applied.


--
Kind regards.

Conny Seidel

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