Re: Device hang when offlining a CPU due to IRQ misrouting | KernelTrap

Re: Device hang when offlining a CPU due to IRQ misrouting

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From: Darrick J. Wong

Subject: Re: Device hang when offlining a CPU due to IRQ misrouting

Date: Tuesday, June 5, 2007 - 1:09 pm

On Tue, Jun 05, 2007 at 11:40:15AM -0700, Siddha, Suresh B wrote:

quoted text> Does this problem happen only under certain stress or something simple, l=
ike
quoted text>=20
> boot the kernel
> echo 2 > /proc/irq/114/smp_affinity
> wait for irq to hit the cpu1.
> echo 0 > /sys/devices/system/cpu/cpu1/online
>=20
> will immmd trigger this?

The system is not under any stress at all.

--D

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Messages in current thread:

Device hang when offlining a CPU due to IRQ misrouting, Darrick J. Wong, (Thu May 31, 5:44 pm)

Re: Device hang when offlining a CPU due to IRQ misrouting, Eric W. Biederman, (Fri Jun 1, 12:39 pm)

Re: Device hang when offlining a CPU due to IRQ misrouting, Siddha, Suresh B, (Tue Jun 5, 10:23 am)

Re: Device hang when offlining a CPU due to IRQ misrouting, Darrick J. Wong, (Tue Jun 5, 10:36 am)

Re: Device hang when offlining a CPU due to IRQ misrouting, Siddha, Suresh B, (Tue Jun 5, 11:13 am)

Re: Device hang when offlining a CPU due to IRQ misrouting, Darrick J. Wong, (Tue Jun 5, 11:33 am)

Re: Device hang when offlining a CPU due to IRQ misrouting, Siddha, Suresh B, (Tue Jun 5, 11:40 am)

Re: Device hang when offlining a CPU due to IRQ misrouting, Darrick J. Wong, (Tue Jun 5, 1:09 pm)

Re: Device hang when offlining a CPU due to IRQ misrouting, Siddha, Suresh B, (Tue Jun 5, 2:14 pm)

Re: Device hang when offlining a CPU due to IRQ misrouting, Darrick J. Wong, (Tue Jun 5, 4:57 pm)

Re: Device hang when offlining a CPU due to IRQ misrouting, Siddha, Suresh B, (Tue Jun 5, 6:37 pm)

Re: Device hang when offlining a CPU due to IRQ misrouting, Darrick J. Wong, (Wed Jun 6, 11:58 am)

Re: Device hang when offlining a CPU due to IRQ misrouting, Siddha, Suresh B, (Wed Jun 6, 12:35 pm)

Re: Device hang when offlining a CPU due to IRQ misrouting, Darrick J. Wong, (Wed Jun 6, 4:16 pm)

Re: Device hang when offlining a CPU due to IRQ misrouting, Siddha, Suresh B, (Thu Jun 7, 5:57 pm)

Re: Device hang when offlining a CPU due to IRQ misrouting, Darrick J. Wong, (Mon Jun 18, 3:38 pm)

Re: Device hang when offlining a CPU due to IRQ misrouting, Siddha, Suresh B, (Mon Jun 18, 4:54 pm)

Re: Device hang when offlining a CPU due to IRQ misrouting, Darrick J. Wong, (Mon Jun 18, 5:51 pm)

Re: Device hang when offlining a CPU due to IRQ misrouting, Eric W. Biederman, (Tue Jun 19, 10:54 am)

Re: Device hang when offlining a CPU due to IRQ misrouting, Siddha, Suresh B, (Tue Jun 19, 11:00 am)

Re: Device hang when offlining a CPU due to IRQ misrouting, Eric W. Biederman, (Tue Jun 19, 11:55 am)

Re: Device hang when offlining a CPU due to IRQ misrouting, Darrick J. Wong, (Tue Jun 19, 12:06 pm)

Re: Device hang when offlining a CPU due to IRQ misrouting, Siddha, Suresh B, (Tue Jun 19, 12:59 pm)

Re: Device hang when offlining a CPU due to IRQ misrouting, Darrick J. Wong, (Tue Jun 19, 1:49 pm)

Re: Device hang when offlining a CPU due to IRQ misrouting, Siddha, Suresh B, (Tue Jun 19, 3:08 pm)

Re: Device hang when offlining a CPU due to IRQ misrouting, Rafael J. Wysocki, (Sat Jun 23, 4:54 pm)

Re: Device hang when offlining a CPU due to IRQ misrouting, Andrew Morton, (Sat Jun 23, 4:58 pm)

Re: Device hang when offlining a CPU due to IRQ misrouting, Siddha, Suresh B, (Sat Jun 23, 5:28 pm)

Re: Device hang when offlining a CPU due to IRQ misrouting, Eric W. Biederman, (Sat Jun 23, 5:45 pm)

Re: Device hang when offlining a CPU due to IRQ misrouting, Siddha, Suresh B, (Sat Jun 23, 5:51 pm)

Re: Device hang when offlining a CPU due to IRQ misrouting, Rafael J. Wysocki, (Sun Jun 24, 5:48 am)

Re: Device hang when offlining a CPU due to IRQ misrouting, Rafael J. Wysocki, (Sun Jun 24, 5:50 am)

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