From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:38855) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dkWeW-0000tB-OR for qemu-devel@nongnu.org; Wed, 23 Aug 2017 10:29:07 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dkWeV-0004FG-Rd for qemu-devel@nongnu.org; Wed, 23 Aug 2017 10:29:04 -0400 References: <20170821161539.11066-1-stefanha@redhat.com> <2217cc17-2638-c7ac-3ac0-6202bb2e4f4f@redhat.com> From: Eric Blake Message-ID: <63c24596-1f48-5f43-6b4d-8709b5c40036@redhat.com> Date: Wed, 23 Aug 2017 09:28:53 -0500 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="v9qvwXbh3P1pILhvN5eUGFcpRN7dsD2bp" Subject: Re: [Qemu-devel] [Qemu-block] [PATCH] nbd-client: fix hang after server closes connection List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stefan Hajnoczi , Stefan Hajnoczi Cc: Paolo Bonzini , qemu-devel , qemu block This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --v9qvwXbh3P1pILhvN5eUGFcpRN7dsD2bp From: Eric Blake To: Stefan Hajnoczi , Stefan Hajnoczi Cc: Paolo Bonzini , qemu-devel , qemu block Message-ID: <63c24596-1f48-5f43-6b4d-8709b5c40036@redhat.com> Subject: Re: [Qemu-block] [Qemu-devel] [PATCH] nbd-client: fix hang after server closes connection References: <20170821161539.11066-1-stefanha@redhat.com> <2217cc17-2638-c7ac-3ac0-6202bb2e4f4f@redhat.com> In-Reply-To: Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 08/23/2017 09:25 AM, Eric Blake wrote: > On 08/21/2017 02:01 PM, Eric Blake wrote: >> On 08/21/2017 11:27 AM, Stefan Hajnoczi wrote: >>> On Mon, Aug 21, 2017 at 5:15 PM, Stefan Hajnoczi wrote: >>>> (qemu) quit >>>> ...hang... >>> >>> By the way, the same issue is present in QEMU 2.9. This is not a 2.1= 0 >>> regression. >> >> Most likely, though, it IS a regression introduced in 2.9 and not >> present in 2.8. I'll add this to my list of 2.11 NBD patches. >=20 > Since it looks like we're doing -rc4 and including other NBD patches fo= r > that, I'm adding this to my 2.10 NBD queue, On IRC, Stefan informed me that 'nbd-client: avoid spurious qio_channel_yield() re-entry' obsoletes this one. > and will send a pull request > shortly... This part is still true --=20 Eric Blake, Principal Software Engineer Red Hat, Inc. +1-919-301-3266 Virtualization: qemu.org | libvirt.org --v9qvwXbh3P1pILhvN5eUGFcpRN7dsD2bp Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Comment: Public key at http://people.redhat.com/eblake/eblake.gpg Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEzBAEBCAAdFiEEccLMIrHEYCkn0vOqp6FrSiUnQ2oFAlmdkSUACgkQp6FrSiUn Q2o89Af/RHYKssdCBxmjjaDh8cEHQULfME+qzh81nTCscDipL2WFOx8wNT4XRJ1j 3lva2y8Kn0PsLt5ERh0elnQgkAsW2wzj9IsfrrVdONa8U06tjuN0T0MLP/bWRyKs ERREOoeXCWRpudFcBNrn1lm3SyqpTeswT06x27ATeFSlhcm3hC3sycjpiUSZbRje bQW49a1PPfh+u+RWibn1xyVEkJ92o84AcAqUCuVTV1MUFHrgQ4vm5qXnCprhQY9m eATjs/c4nmoecNcXc3vBTBeAhAXQL5yEe8lRDXpVE5Znc/pKnBAx64u1e7UFGCHz VC1cpkl8iiDyMC72nzkVZqBdulEAXQ== =1AEe -----END PGP SIGNATURE----- --v9qvwXbh3P1pILhvN5eUGFcpRN7dsD2bp--