Messages in this thread |  | | Date | Wed, 27 Jun 2001 14:38:46 -0400 | From | Chris Mason <> | Subject | Re: VM deadlock |
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On Wednesday, June 27, 2001 03:16:09 PM -0300 Rik van Riel <riel@conectiva.com.br> wrote:
> On Wed, 27 Jun 2001, Chris Mason wrote: >> On Wednesday, June 27, 2001 04:27:45 PM +0200 Xuan Baldauf <xuan--lkml@baldauf.org> wrote: >> >> > My linux box suddenly was not availbale using ssh|telnet, >> > but it responded to pings. On console login, I could type >> > "root", but after pressing "return", there was no reaction, >> >> Sounds like a deadlock andrea recently found. > > It would be nice if Andrea would TELL US every > once in a while what he found ;)
Well, I got an auto-reply from andrea saying he wasn't reading email until July 5th (yeah, I've gotten other mails since then, we all know how that goes ;-)
The orig email I had regarding the patch was he thought some of the page lists were getting corrupted, leading to someone trying to free a page that didn't exist anymore. This was a recent discovery, I don't think the patch is even in an aa kernel yet ;-)
Since Xuan's stack trace had things waiting in deactivate page, it sounded similar to the problem andrea described. We had a few test boxes hanging under load, they are testing the patch now, plus Xuan, plus one other l-k user. If their problems go away, we'll have to dig to find the exact corruption.
-chris
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