linux-kernel - RE: [PATCH V4] suspend: enable freeze timeout configuration through sys

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: <Pine.LNX.4.44L0.1302032213410.28934-100000@netrider.rowland.org>
Date:	Sun, 3 Feb 2013 22:15:55 -0500 (EST)
From:	Alan Stern <stern@...land.harvard.edu>
To:	"Li, Fei" <fei.li@...el.com>
cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"Liu, Chuansheng" <chuansheng.liu@...el.com>
Subject: RE: [PATCH V4] suspend: enable freeze timeout configuration through
 sys

On Mon, 4 Feb 2013, Li, Fei wrote:

> > -> the situation described above shouldn't happen and if it does, then there
> > is a bug that needs to be fixed.
> 
> Yes, we agree with that it's a bug that needs to be fixed, and we are already done
> for some cases. 
> During the process, we realize that tuning the timeout value to smaller value will help
> to expose freezing failure for some cases.

Besides, the underlying bug is well known (fuse filesystems hanging
because the fuse daemon gets frozen before the process doing file I/O,
or something like that) and so far nobody has a good idea of how to
fix it.

Alan Stern

--
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/