linux-kernel - Re: Keys get stuck

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: <200803122222.05663.hpj@urpla.net>
Date:	Wed, 12 Mar 2008 22:22:04 +0100
From:	Hans-Peter Jansen <hpj@...la.net>
To:	linux-kernel@...r.kernel.org
Cc:	Jiri Kosina <jkosina@...e.cz>,
	David Newall <davidn@...idnewall.com>,
	Theodore Tso <tytso@....edu>, "Fred ." <eldmannen@...il.com>
Subject: Re: Keys get stuck

Am Mittwoch, 12. März 2008 schrieb Jiri Kosina:
> On Thu, 13 Mar 2008, David Newall wrote:
> > > The problem is that under heavy load the auto-repeat problem is real;
> > > I've seen it as well, and it means that I've started to try to avoid
> > > "make -j4" since that's a great way to trigger it.
> >
> > I'm sure it does suck under heavy load, although I suppose you could
> > increase the start time.  But I wonder if that is the problem this
> > time?  Modern machines are so damned fast they actually take real
> > effort to load.  Actually, "make -j4" doesn't sound particularly heavy.
> > There's huge disk i/o in a make.  Plenty of scheduling opportunities.
> > Obviously I only know what everybody else here knows; but with so many
> > recent posts suggesting a scheduling fault has been introduced, I'm
> > expecting it to be that.
>
> The problem became much more apparent during early -rc phase of 2.6.25
> for those people that have CONFIG_GROUP_SCHED turned on. This clearly
> shows that X are somehow unhappy with how kernel schedules them, but I
> don't have idea how autorepeat is implemented inside X and what could be
> the problem right now.

Just for the record, this problem started with openSUSE 10.2 for me, that's 
a 2.6.18 thingy. I'm a heavy xterm user, where the autorepeat gets a life 
of its own _occasionally_. I'm able to stop it by triggering a autorepeat 
manually (typical antidot reaction).

Pete
--
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/