Re: X-freeze after clflush changes [Was: 2.6.23-rc6-mm1]

From: Jiri Slaby
Date: Mon Sep 24 2007 - 02:07:06 EST

On 09/24/2007 05:25 AM, Valdis.Kletnieks@xxxxxx wrote:
> On Fri, 21 Sep 2007 21:43:20 +0200, Jiri Slaby said:
>> On 09/21/2007 09:38 PM, Jiri Slaby wrote:
>>> It is rather the other user who adds the page to some other list while bein
> g at
>>> deferred_pages list. Could you try my debug patch
>>> (
>> or the whitespace non-damaged version:
> Gaak. Is that thing *supposed* to spew zillions of lines of output?

Oh, probably yes.

> Some of the hits we get (I'm wondering if anything after the first makes
> any sense, or if we're just slowly watching the corruption spread - the
> thing ended up near 23K lines long before I gave up and hit the poweroff
> button because there was no end in sight):

Yes. it's not perfect, most of them are false positives (It's OK).

> (If there's something specific you want me to find in the output,
> like "the first time we see XYZ", yell...)

Heh :). The few last before the list corruption BUG (you have to have LIST_DEBUG
enabled) -- but it seems you never reached that phase?

Jiri Slaby (jirislaby@xxxxxxxxx)
Faculty of Informatics, Masaryk University
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