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Message #111290
[Bug 1407375] Re: Segfault on Install with Radeon + Intel iGPU both enabled
Wendell, could you please test the amd64 variant of
http://cdimage.ubuntu.com/daily-live/current/ and advise to the results?
** Tags added: utopic
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https://bugs.launchpad.net/bugs/1407375
Title:
Segfault on Install with Radeon + Intel iGPU both enabled
Status in xorg package in Ubuntu:
Incomplete
Bug description:
My system is an Intel i7 4770k on an asus Z87 WS motherboard with an
AMD R9 290X graphics card. With Intel iGPU enabled in the UEFI, the
installer crashes.
I have 4 displays, 3 attached to the R9 290X and one attached to the
onboard graphics.
I hit ctrl+alt+f1 and looked at /var/log/X.org.0 log and it indicated
a Segmentation fault. I was able to continue with the install by
unplugging all monitors but the primary monitor AND disabling the iGPU
in the UEFI. I was somewhat surprised that it was necessary to
completely disable the onboard graphics because in many OEM
configurations onboard and PCIe will be enabled for possible multi-
monitor configurations.
After installing, apt-get update && apt-get upgrading the distro, I
installed the proprietary fglrx driver using software center, and that
worked fine.
I re-enabled the iGPU however the system appears to hang hard. On two
of the displays (attached to the R9 290X) I can see the animated boot
screen, but ctrl+alt+f1 does not work, and the caps lock light does
not toggle if I hit capslock. No mouse cursor. I did not try ssh, but
the system did not respond to a 'tap' of the power button to shut it
down.
I would be willing to experiment a bit here if someone can point me
the right way. I realize I might have to do some things at the command
line, but I wanted to bring this to your attention because I am not
sure enabling the iGPU should causes the system to become unusable.
I am using the official gnome variant of the 14.10 install USB stick.
I tried both "Try Ubuntu" and "Install Ubuntu" from the UEFI boot menu
and both options behave approximately the same way in terms of the
Segfault.
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