From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Ian Jackson <Ian.Jackson@eu.citrix.com>
Cc: xen-devel@lists.xensource.com,
Keir Fraser <keir.fraser@eu.citrix.com>,
Kouya Shimura <kouya@jp.fujitsu.com>,
Samuel Thibault <samuel.thibault@eu.citrix.com>
Subject: Re: Windows Bug Check 0x101 issue
Date: Thu, 27 Mar 2008 16:30:46 +0000 [thread overview]
Message-ID: <20080327163046.7984cf3f@core> (raw)
In-Reply-To: <18411.52353.526441.433440@mariner.uk.xensource.com>
> having decided to violate it, perhaps the right answer is to make the
> disk simply vanish: ignore all future command writes, zero all of the
> registers that the host is attempting to read, not issue an interrupt,
> and somehow discard the responses from any overlapped IO which is in
> flight.
I think it is safest - and if the underlying storage fails something bad
has happened and anything else we do would make it worse
>
> Is that what you meant by `offline the virtual device' ?
Just leave the busy bit set forever, the host will get fed up of waiting,
reset, rinse repeat a few times and (except for older Linux) then offline
the device. Older Linux (ie drivers/ide) has problems coping with failed
drives so will carry on spewing but limp along ok.
Alan
next prev parent reply other threads:[~2008-03-27 16:30 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-24 9:53 Windows Bug Check 0x101 issue Kouya Shimura
2008-03-24 11:01 ` Samuel Thibault
2008-03-24 11:05 ` Keir Fraser
2008-03-25 10:54 ` Kouya Shimura
2008-03-25 10:59 ` Keir Fraser
2008-03-25 11:28 ` Ian Jackson
2008-03-25 17:57 ` Samuel Thibault
2008-03-26 7:07 ` Kouya Shimura
2008-03-26 10:13 ` Samuel Thibault
2008-03-26 10:29 ` Ian Jackson
2008-03-26 10:27 ` Alan Cox
2008-03-26 10:51 ` Ian Jackson
2008-03-26 12:34 ` Alan Cox
2008-03-26 14:18 ` Ian Jackson
2008-03-26 10:39 ` Ian Jackson
2008-03-27 5:20 ` Kouya Shimura
2008-03-27 9:08 ` Alan Cox
2008-03-27 16:34 ` Ian Jackson
2008-03-27 16:30 ` Alan Cox [this message]
2008-03-27 17:39 ` Ian Jackson
2008-03-28 3:09 ` Kouya Shimura
[not found] ` <87k5jnl7qt.fsf@basil.nowhere.org>
2008-03-28 9:32 ` Ian Jackson
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