On 06/15/2017 10:34 AM, Reg Tiangha wrote: > On 06/15/2017 05:40 AM, Zrubi wrote: >> My Lenovo T450 working fine with kernel 4.4 >> Jut tried the latest 4.9.31 and has some interesting graphic related >> issues: >> >> Under KDE, the application icons in the taskbar are messed up. Means >> broken application images are displayed. Broken means some kind of >> transition between the last visited desktop icons and the current one. >> The problem disappear (probably refreshing to a valid icon) by the >> time. But messing up again if I switch virtual desktops. Which I do >> very often. >> >> A refresh is surely occures if I switch out to a CLI terminal and >> back. But the result is just temporary, as if I switching virtual >> desktops the icons are getting messed up again and again. >> >> Switched back to kernel 4.4 solved these problems, so it is less >> likely a hardware bug. >> > Curious: For those apps that exhibit that behavior, are they running on > Debian 9 or Fedora 25 templates? > > I'll be honest, I primarily run Debian templates and in anticipation of > the official release of Debian 9 this week, I've been slowly migrating > my Debian 8 templates to Debian 9, and I've started to notice that > behaviour as well. It does *not* happen under Debian 8 on kernel 4.9. > And I've been running 4.9 kernels in dom0 since December. I *have* been > running Debian 9 as my sys-net for months, though, and the > NetworkManager applet seems fine. I haven't tested extensively, but for > me, the IBus (for keyboard langauge switching) icon has a black overlay, > and when I play music through Rhythmbox on Debian 9, the pop up message > that displays when a new song is played is a little corrupted (but that > never happened on the same kernel on Debian 8). > > Since it works fine in Debian 8 (I haven't tested much with any > Fedoras), I'm wondering if it's less a kernel issue and more of an issue > with newer X or how Qubes integrates with newer X (but I guess if it > works properly on 4.4, it may be a combination of the three; don't know > how to fix it though). > > Intel Sandy Bridge is my system; haven't tested on other hardware. > > And to follow up, I just installed 4.9.32 and haven't noticed it as much, but I've only put in 10 minutes of testing so I can't say for sure if it was a regression in 4.9.31.
I can't play around with this until later today, but in the meantime, what graphics hardware are you running, Zrubi? And which version of 4.4 are you running where things work fine? And finally if you can, if it's an Intel card, can you try booting with this kernel option to see if it makes a difference? i915.preliminary_hw_support=0 -- You received this message because you are subscribed to the Google Groups "qubes-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/qubes-users/ohueub%24d3r%241%40blaine.gmane.org. For more options, visit https://groups.google.com/d/optout.
