Just upgraded from 15.04 to 15.10 via apt-get dist-upgrade. Nothing was customized, everything running from official repos.
Before upgrade I already purged all fglrx proprietary driver from the system and running on standard radeon driver.
The upgrade went successful and after booting into new 15.10 im installing fglrx again via Software & Updates for proprietary driver, no errors installation was success.
However during booting up to make the driver kicks in, the booting stucked at below error:
fb: switching to fglrxdrmfb from EFI VGA
My display:
root@mylenovo:/etc/apt/sources.list.d# lshw -c display
*-display
description: VGA compatible controller
product: Mullins [Radeon R4/R5 Graphics]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 1
bus info: pci@0000:00:01.0
version: 00
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi vga_controller bus_master cap_list rom
configuration: driver=radeon latency=0
resources: irq:37 memory:e0000000-efffffff memory:f0000000-f07fffff ioport:3000(size=256) memory:f0c00000-f0c3ffff memory:f0800000-f081ffff
Any thing that I missed causing fglrx not to work?
I guess you have read the Wily release notes saying
AMD's fglrx driver does not work with the current kernel (1493888).
It is warmly recommended to uninstall the fglrx driver before upgrading to
Ubuntu 15.10.
The open source "radeon" driver can be used as a temporary replacement
until a fix is available.
Why else would you have removed fglrx before upgrade in the first place?
Either downgrade to Kernel 4.1 or use radeon until a fix of fglrx becomes available.
Bug report: https://bugs.launchpad.net/ubuntu/+source/fglrx-installer/+bug/1493888
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