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From: Thomas Huth <1877015@bugs.launchpad.net>
To: qemu-devel@nongnu.org
Subject: [Bug 1877015] Re: virtio only support packed ring size power of 2
Date: Tue, 11 May 2021 05:38:08 -0000	[thread overview]
Message-ID: <162071148899.1889.17942519401785039181.malone@wampee.canonical.com> (raw)
In-Reply-To: 158873300816.14142.15664636500998863138.malonedeb@gac.canonical.com

This is an automated cleanup. This bug report has been moved to QEMU's
new bug tracker on gitlab.com and thus gets marked as 'expired' now.
Please continue with the discussion here:

 https://gitlab.com/qemu-project/qemu/-/issues/270


** Changed in: qemu
       Status: New => Expired

** Bug watch added: gitlab.com/qemu-project/qemu/-/issues #270
   https://gitlab.com/qemu-project/qemu/-/issues/270

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https://bugs.launchpad.net/bugs/1877015

Title:
  virtio only support packed ring size power of 2

Status in QEMU:
  Expired

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.

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      parent reply	other threads:[~2021-05-11  5:49 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 ` [Bug 1877015] [NEW] virtio only support packed ring size power of 2 between 256 and 1024 罗勇刚(Yonggang Luo)
2020-05-06  4:31   ` 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 [this message]

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