From: Michael Tokarev <mjt@tls.msk.ru>
To: Herbert Rosmanith <kernel@wildsau.enemy.org>
Cc: linux-kernel@vger.kernel.org
Subject: Re: cdrom: a dirty CD can freeze your system
Date: Thu, 04 May 2006 16:45:11 +0400 [thread overview]
Message-ID: <4459F757.8070408@tls.msk.ru> (raw)
In-Reply-To: <200605041232.k44CWnFn004411@wildsau.enemy.org>
Herbert Rosmanith wrote:
> good day,
>
> kernel-version: 2.6.16.13 preemptible
>
> I've been experimenting with damaged CDs this day. I observed that
> a dirty or (partly) unreadable CD will (1) block the process which is
> trying to read from the CD - it will be in state "D" - uninterruptible
> sleep and (2) sometimes(?) probably freeze your system such that even
> a manual reboot wont work (e.g., because it's not possible to log in, or
> keystrokes are no longer accepted) and a power-cycle is required.
>
> the uninterruptible process will force a reboot - it wont go away.
It's worse than that. See http://marc.theaimsgroup.com/?t=114003595500002&r=1&w=2
and other similar reports. So far, noone cares it seems (for several years already).
/mjt
next prev parent reply other threads:[~2006-05-04 12:45 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-04 12:32 cdrom: a dirty CD can freeze your system Herbert Rosmanith
2006-05-04 12:45 ` Michael Tokarev [this message]
2006-05-04 12:56 ` Herbert Rosmanith
2006-05-04 14:41 ` Joseph Cheek
2006-05-04 13:48 ` Alan Cox
2006-05-04 14:14 ` Christian Trefzer
2006-05-04 15:28 ` Alan Cox
2006-05-04 17:54 ` Christian Trefzer
2006-05-04 16:50 ` Wakko Warner
2006-05-04 17:10 ` Alan Cox
2006-05-04 17:27 ` Joshua Hudson
2006-05-04 20:47 ` Wakko Warner
2006-05-05 0:10 ` Joshua Hudson
2006-05-05 0:20 ` Wakko Warner
2006-05-04 20:56 ` kernel keeps empty CDROM(DVD)-drive "busy"; (was Re: cdrom: a dirty CD can freeze your system) Linda Walsh
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