Messages in this thread | | | Date | Mon, 20 Oct 2008 18:21:00 +0400 | From | Cyrill Gorcunov <> | Subject | Re: [PATCH] NFS regression in 2.6.26?, "task blocked for more than 120 seconds" |
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[Glauber Costa - Mon, Oct 20, 2008 at 11:15:56AM -0200] | On Mon, Oct 20, 2008 at 4:51 AM, Max Kellermann <mk@cm4all.com> wrote: | > On 2008/10/17 16:33, Glauber Costa <glommer@redhat.com> wrote: | >> That's probably something related to apic congestion. | >> Does the problem go away if the only thing you change is this: | >> | >> | >> > @@ -891,11 +897,6 @@ do_rest: | >> > store_NMI_vector(&nmi_high, &nmi_low); | >> > | >> > smpboot_setup_warm_reset_vector(start_ip); | >> > - /* | >> > - * Be paranoid about clearing APIC errors. | >> > - */ | >> > - apic_write(APIC_ESR, 0); | >> > - apic_read(APIC_ESR); | >> > } | >> | >> | >> Please let me know. | > | > Hello Glauber, | > | > I have rebooted the server with 2.6.27.1 + this patchlet an hour ago. | > No problems since. | > | > Hardware: Compaq P4 Xeon server, Broadcom CMIC-WS / CIOB-X2 board. | > Tell me if you need more detailed information. | > | | There's a patch in flight from cyrill that probably fixes your problem: | http://lkml.org/lkml/2008/9/15/93 | | The checks are obviously there for a reason, and we can't just wipe | them out unconditionally ;-) So can you check please that you are also | covered by the case provided?
Actually I'll wonder if it help. Do Xeon processors really not have ESR register and not integrated?
...
- Cyrill -
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