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Re: [Qemu-stable] [Qemu-devel] [PATCH for 2.11 0/2] QEMU crashes with CD
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From: |
Denis V. Lunev |
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Subject: |
Re: [Qemu-stable] [Qemu-devel] [PATCH for 2.11 0/2] QEMU crashes with CD device without media |
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Date: |
Tue, 13 Mar 2018 20:25:48 +0300 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 |
On 03/13/2018 08:18 PM, John Snow wrote:
>
> On 11/28/2017 07:10 AM, Denis V. Lunev wrote:
>> There are 2 cases I have spotted so far:
>> 1) IDE ATAPI read processing. Actually this was reported from field
>> 2) QEMU IO hmp command (found during evaluation of (1))
>>
>> SCSI code checks during access that blk_is_available(). These patches add
>> same checks on different code paths.
>>
>> Pls decide whether these patches should go through sub-system trees or via
>> block tree.
>>
>> Signed-off-by: Denis V. Lunev <address@hidden>
>> CC: "Dr. David Alan Gilbert" <address@hidden>
>> CC: John Snow <address@hidden>
>> CC: Kevin Wolf <address@hidden>
>> CC: Stefan Hajnoczi <address@hidden>
>>
>>
> Denis, I was never able to figure this out, but Stefan added a more
> rigorous block-wide fix that should prevent these crashes. If you see
> any anomalies in the ATAPI device again please let me know.
>
> Sorry I wasn't able to help any faster.
ok, no prob. Thank you for a feedback
Den