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Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE tasks

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From: Andi Kleen <andi@...>
To: Arjan van de Ven <arjan@...>
Cc: Andi Kleen <andi@...>, Radoslaw Szkodzinski <lkml@...>, Ingo Molnar <mingo@...>, <linux-kernel@...>, Andrew Morton <akpm@...>, Thomas Gleixner <tglx@...>
Subject: Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE tasks
Date: Monday, December 3, 2007 - 12:36 pm

> the scsi layer will have the IO totally aborted within that time anyway;

There are blocking waits who wait for multiple IOs. 

Also i think the SCSI driver can tune this anyways and I suspect
iSCSI and friends increase it (?)

-Andi

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[feature] automatically detect hung TASK_UNINTERRUPTIBLE tasks, Ingo Molnar, (Sat Dec 1, 5:20 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Andi Kleen, (Sun Dec 2, 2:57 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Ingo Molnar, (Sun Dec 2, 2:59 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Arjan van de Ven, (Sun Dec 2, 3:41 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Andi Kleen, (Sun Dec 2, 4:09 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Ingo Molnar, (Sun Dec 2, 4:26 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Andi Kleen, (Sun Dec 2, 4:47 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Arjan van de Ven, (Sun Dec 2, 6:43 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Andi Kleen, (Sun Dec 2, 8:07 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Arjan van de Ven, (Sun Dec 2, 8:59 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Andi Kleen, (Mon Dec 3, 5:55 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Radoslaw Szkodzinski, (Mon Dec 3, 6:15 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Andi Kleen, (Mon Dec 3, 6:27 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Arjan van de Ven, (Mon Dec 3, 11:23 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Mark Lord, (Wed Dec 5, 6:31 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Andi Kleen, (Mon Dec 3, 12:36 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Ingo Molnar, (Mon Dec 3, 6:38 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Andi Kleen, (Mon Dec 3, 7:04 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Ingo Molnar, (Mon Dec 3, 7:59 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Andi Kleen, (Mon Dec 3, 8:13 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Pekka Enberg, (Mon Dec 3, 9:50 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Andi Kleen, (Mon Dec 3, 10:14 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Ingo Molnar, (Mon Dec 3, 10:19 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Andrew Morton, (Mon Dec 3, 1:57 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Rafael J. Wysocki, (Mon Dec 3, 2:28 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Ingo Molnar, (Mon Dec 3, 3:24 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Rafael J. Wysocki, (Mon Dec 3, 6:47 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Ingo Molnar, (Mon Dec 3, 8:05 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Ingo Molnar, (Mon Dec 3, 9:57 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Ingo Molnar, (Mon Dec 3, 8:28 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Andi Kleen, (Mon Dec 3, 8:41 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Ingo Molnar, (Mon Dec 3, 9:00 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Andi Kleen, (Mon Dec 3, 9:14 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Ingo Molnar, (Mon Dec 3, 6:23 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Ingo Molnar, (Sun Dec 2, 5:10 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Andi Kleen, (Sun Dec 2, 5:19 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Ingo Molnar, (Sun Dec 2, 6:20 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Andi Kleen, (Sun Dec 2, 8:00 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Arjan van de Ven, (Sun Dec 2, 6:18 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Ingo Molnar, (Sun Dec 2, 5:24 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Andi Kleen, (Sun Dec 2, 5:34 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Ingo Molnar, (Sun Dec 2, 6:25 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Ingo Molnar, (Sun Dec 2, 4:08 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., David Rientjes, (Sat Dec 1, 2:42 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Ingo Molnar, (Sat Dec 1, 3:36 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Ingo Oeser, (Sat Dec 1, 8:54 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., David Rientjes, (Sun Dec 2, 11:52 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Ingo Molnar, (Sun Dec 2, 4:58 am)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., David Rientjes, (Sat Dec 1, 2:31 pm)
Re: [feature] automatically detect hung TASK_UNINTERRUPTIBLE..., Ingo Molnar, (Sat Dec 1, 2:33 pm)