linux-kernel - Re: [PATCH V4] Allow SysRq emergency thaw to thaw frozen filesystems

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]

Date:	Tue, 03 Feb 2009 07:31:07 -0600
From:	Dave Kleikamp <shaggy@...ux.vnet.ibm.com>
To:	Jamie Lokier <jamie@...reable.org>
Cc:	Eric Sandeen <sandeen@...hat.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
	t-sato@...jp.nec.com
Subject: Re: [PATCH V4] Allow SysRq emergency thaw to thaw frozen
 filesystems

On Tue, 2009-02-03 at 11:48 +0000, Jamie Lokier wrote:
> Eric Sandeen wrote:
> > The timeout thaw originally proposed did not get merged, but
> > perhaps something like this would be useful in emergencies.
> > 
> > For example, freeze /path/to/mountpoint may freeze your
> > root filesystem if you forgot that you had that unmounted.
> 
> If you don't have console access, you're just logged in remotely, is
> there a way to do an emergency unthaw from a shell command?

echo j > /proc/sysrq-trigger

Shaggy
-- 
David Kleikamp
IBM Linux Technology Center

--
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/