On 12/10/16 15:37, Felix Miata wrote:
John Pilkington composed on 2016-10-12 11:23 (UTC+0100):
On 12/10/16 10:50, John Pilkington wrote:
My video card has worked fine with recent builds of the f23 nvidia304xx
driver from rpmfusion, but an update two days ago left me with black
screens (two - VGA and HDMI). I have a thread on the rpmfusion list,
but here may now be more appropriate.
I have removed the nvidia packages, and nouveau gives me the full plasma
window with taskbar etc, but after a few seconds that is replaced by
featureless black screens with a mouse arrow that moves - from one
screen to the other - but does nothing else.
Ctrl/Alt/F2 lets me view Xorg.0.log - on both screens - and all looks
harmless until, about 80 seconds after the last NOUVEAU message, about
HDMI max frequency, I get
AIGLX: Suspending AIGLX clients for VT switch
NOUVEAU(0): NVLeaveVT is called
It now looks as if this is just recording the switch to tty2
Switching between Ctrl/Alt/F2 and Ctrl/Alt/F1 adds more instances of it
but I still don't get a working GUI
Ideas?
The final two lines of dmesg are
show_signal_msg: 9 callbacks suppressed
plasmashell[1901]: segfault at 0 ip 00007fcabe9244a7 sp 00007ffd195bf9c0
error 4 in nouveau_dri.so[7feabe49a000+8ce000]
These occur at 205s. The HDMI max TDMS frequency message in Xorg.0.log
was at 165s.
All messages copied manually from the screens.
What happens if you purge all of nouveau and NVidia drivers, leaving Xorg to
use its integral modesetting driver?
cf. http://www.phoronix.com/scan.php?page=news_item&px=Ubuntu-Debian-Abandon-Intel-DDX
Thanks for the suggestion. I wasn't hopeful, having tried removing the
intel driver (with an old i915 chip) in *this* box running SL7, but
tried it:
dmesg | grep segfault gives 7 lines:
sddm[xx]: segfault at 0 ip xxxx sp xxxx error 4 in libQT5Core.so.5.6.1[xxx]
or similar but with error 14 in sddm.
dnf history shows that 58 packages were updated on 10 Oct, but that
would be with yumex-dnf and I can't find where it stores its history for
non-GUI access.
I had previously tried the nvidia build from scrpms, which didn't
install cleanly (rpm -i --force) but also pointed to libQT5Core.so.5.6.1
John
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