From: "罗勇刚(Yonggang Luo)" <luoyonggang@gmail.com>
To: Bug 1877015 <1877015@bugs.launchpad.net>
Cc: qemu-level <qemu-devel@nongnu.org>
Subject: Re: [Bug 1877015] [NEW] virtio only support packed ring size power of 2 between 256 and 1024
Date: Wed, 6 May 2020 12:31:51 +0800 [thread overview]
Message-ID: <CAE2XoE8tLwbUPWXbGFxf_kZ2S5X-hrmQuqEM_difn8=gcJQbwg@mail.gmail.com> (raw)
In-Reply-To: <158873300816.14142.15664636500998863138.malonedeb@gac.canonical.com>
[-- Attachment #1: Type: text/plain, Size: 1589 bytes --]
Maybe the virtio need to be revised?
On Wed, May 6, 2020 at 10:51 AM xuan <1877015@bugs.launchpad.net> wrote:
> Public bug reported:
>
> Issue discription：
> When QEMU starts with "-device
> virtio-net-pci,netdev=netdev0,mac=52:54:00:00:00:01,disable-modern=false,mrg_rxbuf=on,rx_queue_size=1025,tx_queue_size=1025,mq=on,vectors=15,packed=on"
>
> It raises error: Invalid rx_queue_size (= 1025), must be a power of 2
> between 256 and 1024
>
> Analysis:
> According to virtio1.1 spec, the packed queue size value does not have to
> be a power of 2.
>
> ** Affects: qemu
> Importance: Undecided
> Status: New
>
> --
> You received this bug notification because you are a member of qemu-
> devel-ml, which is subscribed to QEMU.
> https://bugs.launchpad.net/bugs/1877015
>
> Title:
> virtio only support packed ring size power of 2 between 256 and 1024
>
> Status in QEMU:
> New
>
> Bug description:
> Issue discription：
> When QEMU starts with "-device
> virtio-net-pci,netdev=netdev0,mac=52:54:00:00:00:01,disable-modern=false,mrg_rxbuf=on,rx_queue_size=1025,tx_queue_size=1025,mq=on,vectors=15,packed=on"
>
> It raises error: Invalid rx_queue_size (= 1025), must be a power of 2
> between 256 and 1024
>
> Analysis:
> According to virtio1.1 spec, the packed queue size value does not have
> to be a power of 2.
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/qemu/+bug/1877015/+subscriptions
>
>
--
此致
礼
罗勇刚
Yours
sincerely,
Yonggang Luo
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WARNING: multiple messages have this Message-ID (diff)
From: Yonggang Luo <1877015@bugs.launchpad.net>
To: qemu-devel@nongnu.org
Subject: Re: [Bug 1877015] [NEW] virtio only support packed ring size power of 2 between 256 and 1024
Date: Wed, 06 May 2020 04:31:51 -0000 [thread overview]
Message-ID: <CAE2XoE8tLwbUPWXbGFxf_kZ2S5X-hrmQuqEM_difn8=gcJQbwg@mail.gmail.com> (raw)
Message-ID: <20200506043151.sJrJwOP7x0cfFOvCVvMjnxcLgJs6Vfw9PbtDvG78sow@z> (raw)
In-Reply-To: 158873300816.14142.15664636500998863138.malonedeb@gac.canonical.com
Maybe the virtio need to be revised?
On Wed, May 6, 2020 at 10:51 AM xuan <1877015@bugs.launchpad.net> wrote:
> Public bug reported:
>
> Issue discription：
> When QEMU starts with "-device
> virtio-net-pci,netdev=netdev0,mac=52:54:00:00:00:01,disable-modern=false,mrg_rxbuf=on,rx_queue_size=1025,tx_queue_size=1025,mq=on,vectors=15,packed=on"
>
> It raises error: Invalid rx_queue_size (= 1025), must be a power of 2
> between 256 and 1024
>
> Analysis:
> According to virtio1.1 spec, the packed queue size value does not have to
> be a power of 2.
>
> ** Affects: qemu
> Importance: Undecided
> Status: New
>
> --
> You received this bug notification because you are a member of qemu-
> devel-ml, which is subscribed to QEMU.
> https://bugs.launchpad.net/bugs/1877015
>
> Title:
> virtio only support packed ring size power of 2 between 256 and 1024
>
> Status in QEMU:
> New
>
> Bug description:
> Issue discription：
> When QEMU starts with "-device
> virtio-net-pci,netdev=netdev0,mac=52:54:00:00:00:01,disable-modern=false,mrg_rxbuf=on,rx_queue_size=1025,tx_queue_size=1025,mq=on,vectors=15,packed=on"
>
> It raises error: Invalid rx_queue_size (= 1025), must be a power of 2
> between 256 and 1024
>
> Analysis:
> According to virtio1.1 spec, the packed queue size value does not have
> to be a power of 2.
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/qemu/+bug/1877015/+subscriptions
>
>
--
此致
礼
罗勇刚
Yours
sincerely,
Yonggang Luo
--
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1877015
Title:
virtio only support packed ring size power of 2
Status in QEMU:
New
Bug description:
Issue discription：
When QEMU starts with "-device virtio-net-pci,netdev=netdev0,mac=52:54:00:00:00:01,disable-modern=false,mrg_rxbuf=on,rx_queue_size=1025,tx_queue_size=1025,mq=on,vectors=15,packed=on"
It raises error: Invalid rx_queue_size (= 1025), must be a power of 2
between 256 and 1024
Analysis:
According to virtio1.1 spec, the packed queue size value does not have to be a power of 2.
To manage notifications about this bug go to:
https://bugs.launchpad.net/qemu/+bug/1877015/+subscriptions
next prev parent reply other threads:[~2020-05-06 4:33 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-06 2:43 [Bug 1877015] [NEW] virtio only support packed ring size power of 2 between 256 and 1024 xuan
2020-05-06 2:56 ` [Bug 1877015] Re: virtio only support packed ring size power of 2 xuan
2020-05-06 4:31 ` 罗勇刚(Yonggang Luo) [this message]
2020-05-06 4:31 ` [Bug 1877015] [NEW] virtio only support packed ring size power of 2 between 256 and 1024 Yonggang Luo
2020-05-06 5:14 ` xuan
2020-05-06 5:11 ` [Bug 1877015] Re: virtio only support packed ring size power of 2 xuan
2021-05-06 13:34 ` Thomas Huth
2021-05-07 1:55 ` xuan
2021-05-11 5:38 ` Thomas Huth
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