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[Bug 1877015] Re: virtio only support packed ring size power of 2
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From: |
Thomas Huth |
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Subject: |
[Bug 1877015] Re: virtio only support packed ring size power of 2 |
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Date: |
Tue, 11 May 2021 05:38:08 -0000 |
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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