I mean the "official" driver downloaded from support.amd.com failed to
build. Slow rendering appears after "apt install fglrx" and reboot.
Installing prebuilt fglrx binaries seems to success. So I think the bug
is related to fglrx.
** Package changed: mesa (Ubuntu) => fglrx-installer (Ubuntu)
** Also affects: mesa (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1550910
Title:
fglrx renders extremely slow in latest kernels
Status in fglrx-installer package in Ubuntu:
New
Status in mesa package in Ubuntu:
New
Bug description:
I am using latest development version of xenial (ubuntu 16.04).
My video card is AMD HD7950, and I use an MiniDP-to-DP line to connect
it with an Acer XB240H display.
With fglrx or fglrx-updates installed, everything renders extremely
slow, even raw terminal renders like 100 lines per second.
Workarounds failed:
* AMD official driver failed to build due to bug #1502978.
* The open source driver can only provide 1024x768 resolution.
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