linux-kernel - Re: Linux v2.6.18-rc5

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <9a8748490608300643l145a7d10g40a88d9f8a6cbfc0@mail.gmail.com>
Date:	Wed, 30 Aug 2006 15:43:28 +0200
From:	"Jesper Juhl" <jesper.juhl@...il.com>
To:	"Kasper Sandberg" <lkml@...anurb.dk>
Cc:	"Nathan Scott" <nathans@....com>,
	"Linus Torvalds" <torvalds@...l.org>,
	"Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>
Subject: Re: Linux v2.6.18-rc5

On 30/08/06, Jesper Juhl <jesper.juhl@...il.com> wrote:
> On 30/08/06, Kasper Sandberg <lkml@...anurb.dk> wrote:
> > On Tue, 2006-08-29 at 01:30 +0200, Jesper Juhl wrote:
> > > On 29/08/06, Nathan Scott <nathans@....com> wrote:
> > > > On Mon, Aug 28, 2006 at 12:35:00PM +0200, Jesper Juhl wrote:
> > > > > On 28/08/06, Kasper Sandberg <lkml@...anurb.dk> wrote:
> > > > > > On Mon, 2006-08-28 at 12:10 +0200, Jesper Juhl wrote:
> > > > > > > Not really a regression, more like a long standing bug, but XFS has
> > > > > > > issues in 2.6.18-rc* (and earlier kernels, at least post 2.6.11).
> > > > > > and you are saying this issue exists in all post .11 kernels?
> > > >
> > > > I would be surprised if this is not a day one bug, it probably
> > > > even affects the IRIX version of XFS.  Our problem is the lack
> > > > of a test case to find it - my efforts have come to naught so
> > > > far.  I'm having to cross my fingers that Jesper can extract a
> > > > bit more information when he's next able to hit it.
> > > >
> > > I'm trying my best, but it's difficult. Often I can only run the -rc
> > > kernel for a few hours on the box that currently shows the problem,
> > > and that's not enough to hit the fault.
> > > I've configured a XFS partition on my home workstation and I'm keeping
> > > that one busy doing various rsync's and running benchmarks etc -
> > > putting as much different stress on the XFS filesystem as I can. I'm
> > > also setting up a test box at work to try and duplicate the problem on
> > > a non-production server. I won't be able to duplicate the setup
> > > exactly, but it'll be close.
> >
> > i have nyself tested xfs in -rc5 now, doing rsync over and over, and
> > been unable to hit any problem, it indeed seems very hard to reproduce.
> >
> Just in case I have not mentioned it before; the box I'm seeing the
> problem on is a dual 3.2GHz Xeon and the kernel is compiled for SMP.
> might be relevant, might not be...
>
Small correction: The CPU is a single 3.2GHz Xeon with HT. Not two
physical cores.
I should probably also mention that the 2.6.11.11 kernel that runs
stable on the server is compiled for UP, not SMP.

-- 
Jesper Juhl <jesper.juhl@...il.com>
Don't top-post  http://www.catb.org/~esr/jargon/html/T/top-post.html
Plain text mails only, please      http://www.expita.com/nomime.html
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/