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RE: [Bug 1877015] [NEW] virtio only support packed ring size power of 2
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From: |
xuan |
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Subject: |
RE: [Bug 1877015] [NEW] virtio only support packed ring size power of 2 between 256 and 1024 |
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Date: |
Wed, 06 May 2020 05:14:20 -0000 |
Thank you for your reply. I think the code should add the handling for
packed ring size to follow the spec.
-----Original Message-----
From: address@hidden <address@hidden> On Behalf Of Yonggang Luo
Sent: Wednesday, May 6, 2020 12:32 PM
To: Ding, Xuan <address@hidden>
Subject: Re: [Bug 1877015] [NEW] virtio only support packed ring size power of
2 between 256 and 1024
Maybe the virtio need to be revised?
On Wed, May 6, 2020 at 10:51 AM xuan <address@hidden> 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 subscribed to the bug report.
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
--
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