Re: [BUG?] two swapping processes freeze 2.4.0-test10 (but not 2.2.18pre19)

From: Wayne Whitney (whitney@math.berkeley.edu)
Date: Thu Nov 02 2000 - 03:12:27 EST


On Wed, 1 Nov 2000, Wayne Whitney wrote:

> On Wed, 1 Nov 2000, Rik van Riel wrote (in "Re: [BUG] /proc/<pid>/stat
> access stalls badly for swapping process, 2.4.0-test10"):
>
> > 3) combine this with the elevator starvation stuff (ask Jens
> > Axboe for blk-7 to alleviate this issue) and you have a
> > scenario where processes using /proc/<pid>/stat have the
> > possibility to block on multiple processes that are in the
> > process of handling a page fault (but are being starved)

I just tried patching 2.4.0-test10 with Jens Axboe's blk-7 patch for
2.4.0-test10-pre6. It applies cleanly other than "Hunk #1 succeeded at
855 (offset -20 lines)" on file mm/filemap.c. Unfortunately, this had no
effect on the behavior I described . . .

Best wishes,
Wayne

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



This archive was generated by hypermail 2b29 : Tue Nov 07 2000 - 21:00:11 EST