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

Jiri Slaby
2007-09-24T06:07:05Z

On 09/24/2007 05:25 AM, Valdis.Kletnieks@vt.edu 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
>>> (http://lkml.org/lkml/2007/9/19/141)?
>> or the whitespace non-damaged version:
>> http://www.fi.muni.cz/~xslaby/sklad/pageattr_debug
>
> 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?

regards,
--
Jiri Slaby (jirislaby@gmail.com)
Faculty of Informatics, Masaryk University