From: Kevin Wolf <kwolf@redhat.com>
To: Antoine Damhet <adamhet@scaleway.com>
Cc: qemu-devel@nongnu.org, qemu-block@nongnu.org,
Hanna Reitz <hreitz@redhat.com>,
qemu-stable@nongnu.org
Subject: Re: [PATCH 1/2] block/curl: fix concurrent completion handling
Date: Tue, 24 Feb 2026 14:54:19 +0100 [thread overview]
Message-ID: <aZ2ti76G3CiCm-4x@redhat.com> (raw)
In-Reply-To: <20260212162730.440855-2-adamhet@scaleway.com>
Am 12.02.2026 um 17:27 hat Antoine Damhet geschrieben:
> curl_multi_check_completion would bail upon the first completed
> transfer even if more completion messages were available thus leaving
> some in flight IOs stuck.
>
> Rework a bit the loop to make the iterations clearer and drop the breaks.
>
> The original hang can be somewhat reproduced with the following command:
>
> $ qemu-img convert -p -m 16 -O qcow2 -c --image-opts \
> 'file.driver=https,file.url=https://scaleway.testdebit.info/10G.iso,file.readahead=1M' \
> /tmp/test.qcow2
>
> Fixes: 1f2cead32443 ("curl: Ensure all informationals are checked for completion")
> Cc: qemu-stable@nongnu.org
> Signed-off-by: Antoine Damhet <adamhet@scaleway.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
next prev parent reply other threads:[~2026-02-24 13:54 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-12 16:27 [PATCH 0/2] block/curl: fix S3 presigned URL support Antoine Damhet
2026-02-12 16:27 ` [PATCH 1/2] block/curl: fix concurrent completion handling Antoine Damhet
2026-02-24 13:54 ` Kevin Wolf [this message]
2026-02-12 16:27 ` [PATCH 2/2] block/curl: add support for S3 presigned URLs Antoine Damhet
2026-02-17 8:53 ` Markus Armbruster
2026-02-23 17:18 ` Antoine Damhet
2026-02-24 8:30 ` Markus Armbruster
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