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From: Hanna Czenczek <hreitz@redhat.com>
To: qemu-block@nongnu.org
Cc: qemu-devel@nongnu.org, "Lukáš Doktor" <ldoktor@redhat.com>,
	"Stefan Hajnoczi" <stefanha@redhat.com>,
	"Kevin Wolf" <kwolf@redhat.com>, "Fam Zheng" <fam@euphon.net>,
	"Philippe Mathieu-Daudé" <philmd@linaro.org>,
	qemu-stable@nongnu.org
Subject: Re: [PATCH for-10.2] Revert "nvme: Fix coroutine waking"
Date: Fri, 12 Dec 2025 13:27:56 +0100	[thread overview]
Message-ID: <fc0ba727-fa9b-4b5d-98d0-16725533706f@redhat.com> (raw)
In-Reply-To: <20251212102522.38232-1-hreitz@redhat.com>

On 12.12.25 11:25, Hanna Czenczek wrote:
> This reverts commit 0f142cbd919fcb6cea7aa176f7e4939925806dd9.
>
> Lukáš Doktor reported a simple single-threaded nvme test case hanging
> and bisected it to this commit.  While we are still investigating, it is
> best to revert the commit for now.
>
> (This breaks multiqueue for nvme, but better to have single-queue
> working than neither.)

I’ve tested this on Lukáš’s system, and there is no hang with this 
revert patch applied.

(For what it’s worth, the hang only seems to appear when writing, which 
is why I didn’t see it when testing myself.  I can’t really overwrite 
the only “testing” NVMe SSD I have, so I only tested reads.)

Hanna



  reply	other threads:[~2025-12-12 12:29 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-12 10:25 [PATCH for-10.2] Revert "nvme: Fix coroutine waking" Hanna Czenczek
2025-12-12 12:27 ` Hanna Czenczek [this message]
2025-12-12 17:31 ` Hanna Czenczek
2025-12-12 17:46 ` Lukáš Doktor

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