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Re: [Qemu-stable] [Qemu-devel] [PATCH for 2.11 0/2] QEMU crashes with CD
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From: |
John Snow |
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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 13:18:54 -0400 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 |
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.
- Re: [Qemu-stable] [Qemu-devel] [PATCH for 2.11 0/2] QEMU crashes with CD device without media,
John Snow <=