Re: 2.4.20: Proccess stuck in __lock_page ...

From: Stefan Foerster (stefan@stefan-foerster.de)
Date: Wed May 28 2003 - 08:34:06 EST


* Jens Axboe <axboe@xxxxxxx> wrote:
> On Wed, May 28 2003, Marc-Christian Petersen wrote:
>>> Guys, you're the ones who can reproduce this. Please spend more time
>>> working out which chunk (or combination thereof) actually fixes the
>>> problem. If indeed any of them do.
>> As I said, I will test it this evening. ATM I don't have time to
>> recompile and reboot. This evening I will test extensively, even on
>> SMP, SCSI, IDE and so on.
>
> May I ask how you are reproducing the bad results? I'm trying in vain
> here...

It is easily reproducable by using dd with an appropriate blocksize
reading from /dev/zero.

With chunk #3 from Andrew, I do not get pauses, but I noticed text
scrolling in an xterm stopping for like a second.

I did not get any zombie processes.

Ciao
Stefan

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/