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[Bug 1864984] Re: "nr_entries is too big" when using virgl

From: Launchpad Bug Tracker
Subject: [Bug 1864984] Re: "nr_entries is too big" when using virgl
Date: Tue, 06 Jul 2021 04:17:18 -0000

[Expired for QEMU because there has been no activity for 60 days.]

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

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  "nr_entries is too big" when using virgl

Status in QEMU:

Bug description:
  I have a bootable image where GNOME Shell fails because it hits a
  limit in virtio-gpu.

  In `hw/display/virtio-gpu.c`, there is a limit for `nr_entries` at
  16384. There is no explanation for that limit. But there does not seem
  to be any limit on the kernel side.

  Raising this limit with a patch to 262144 solves the issue.

  Could there be an explanation why this limit is needed? And why this
  value? Or could this limit be just removed?

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