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Re: [PATCH for-6.0? 0/1] hw/block/nvme: fix msix uninit


From: Klaus Jensen
Subject: Re: [PATCH for-6.0? 0/1] hw/block/nvme: fix msix uninit
Date: Thu, 22 Apr 2021 21:17:27 +0200

On Apr 22 19:58, Peter Maydell wrote:
On Thu, 22 Apr 2021 at 15:07, Klaus Jensen <its@irrelevant.dk> wrote:

On Apr 22 15:58, Klaus Jensen wrote:
>From: Klaus Jensen <k.jensen@samsung.com>
>
>Hi Peter,
>
>The commit message on the patch describes the issue. This is a QEMU
>crashing bug in -rc4 that I introduced early in the cycle and never
>found in time. Lack of testing device hotplugging is the cause for that.
>
>I'm not sure what to say other than I'm terribly sorry for introducing
>this and if this means an -rc5 needs to be rolled, then I'm even more
>sorry.
>
>I think an acceptance test could have caught this, and I am already
>working on an acceptance test suite for the nvme device, so I'll add
>something that test this as well. But, well, it doesn't help now.

As far as I can tell, to cause this crash, monitor access is required,
so I am not sure if we can get away with a note on this in the release
notes and fix this in a potential stable release or next.

Is this a regression since 5.2 ?


Yes.

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