From: "Ding, Xuan" <xuan.ding@intel.com> To: Maxime Coquelin <maxime.coquelin@redhat.com>, "Xia, Chenbo" <chenbo.xia@intel.com> Cc: "dev@dpdk.org" <dev@dpdk.org>, "Hu, Jiayu" <jiayu.hu@intel.com>, "stable@dpdk.org" <stable@dpdk.org> Subject: RE: [PATCH v2] doc: fix vhost multi-queue reconnection Date: Tue, 29 Mar 2022 13:15:26 +0000 Message-ID: <BN9PR11MB551349CB2208A3C420B237A1E71E9@BN9PR11MB5513.namprd11.prod.outlook.com> (raw) In-Reply-To: <475b6a00-ec0a-12a9-d8e6-ac1c1eb68675@redhat.com> Hi Maxime, > -----Original Message----- > From: Maxime Coquelin <maxime.coquelin@redhat.com> > Sent: Tuesday, March 29, 2022 8:47 PM > To: Ding, Xuan <xuan.ding@intel.com>; Xia, Chenbo <chenbo.xia@intel.com> > Cc: dev@dpdk.org; Hu, Jiayu <jiayu.hu@intel.com>; stable@dpdk.org > Subject: Re: [PATCH v2] doc: fix vhost multi-queue reconnection > > > > On 2/24/22 07:28, xuan.ding@intel.com wrote: > > From: Xuan Ding <xuan.ding@intel.com> > > > > Since QEMU 5.2.0 fixes the vhost multi-queue reconnection issue in > > commit f66337bdbfda ("vhost-user: save features of multiqueues if > > chardev is closed"), this patch removes the previous description from > > known issue. > > > > Fixes: b37e95507e1b ("doc: add vhost multi-queue reconnection issue") > > Cc: stable@dpdk.org > > > > Signed-off-by: Xuan Ding <xuan.ding@intel.com> > > --- > > v2: > > * Add fixes in commit title and log. > > --- > > doc/guides/rel_notes/known_issues.rst | 21 --------------------- > > 1 file changed, 21 deletions(-) > > > > diff --git a/doc/guides/rel_notes/known_issues.rst > > b/doc/guides/rel_notes/known_issues.rst > > index 187d9c942e..a8d1401a71 100644 > > --- a/doc/guides/rel_notes/known_issues.rst > > +++ b/doc/guides/rel_notes/known_issues.rst > > @@ -884,24 +884,3 @@ Unsuitable IOVA mode may be picked as the > default > > > > **Driver/Module**: > > ALL. > > - > > -Vhost multi-queue reconnection failed with QEMU version >= 4.2.0 > > ----------------------------------------------------------------- > > - > > -**Description** > > - It's a QEMU regression bug (bad commit: c6beefd674ff). QEMU only > saves > > - acked features for one vhost-net when vhost quits. When vhost > reconnects > > - to virtio-net/virtio-pmd in multi-queue situations, the features been > > - set multiple times are not consistent. > > - > > -**Implication** > > - Vhost cannot reconnect back to virtio-net/virtio-pmd normally. > > - > > -**Resolution/Workaround**: > > - It is possible to filter the incorrect acked features at vhost-user side. > > - > > -**Affected Environment/Platform**: > > - ALL. > > - > > -**Driver/Module**: > > - Virtual Device Poll Mode Driver (PMD). > > Instead of removing this information, I would rather update it to indicate the > range of affected QEMU versions. > > What do you think? That's a good idea, so that users can know which versions are affected. I will update it in next version. Thanks, Xuan > > Thanks, > Maxime
next prev parent reply other threads:[~2022-03-29 13:15 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <20220221072743.88049-1-xuan.ding@intel.com> 2022-02-24 6:28 ` xuan.ding 2022-03-29 12:46 ` Maxime Coquelin 2022-03-29 13:15 ` Ding, Xuan [this message] 2022-04-15 2:08 ` [PATCH v3] " xuan.ding 2022-05-06 8:40 ` Xia, Chenbo 2022-05-09 3:07 ` Ding, Xuan 2022-05-09 4:11 ` [PATCH v4] " xuan.ding 2022-05-16 12:44 ` Xia, Chenbo
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