panel and desktop broken

[Glenn Holmer]

On 06/04/2015 09:30 AM, Rex Dieter wrote:
> Glenn Holmer wrote:
> 
>> From time to time, I've seen that the panel, while it appears, becomes
>> unresponsive (right- or left-click does nothing). When this happens, the
>> desktop (right-click) also becomes non-responsive.
>>
>> Normally, I've been able to recover from this by dropping to console and
>> issuing "systemctl restart sddm", but this morning even that doesn't work.
>>
>> Anybody else seen this? Know of a workaround or fix?
> 
> It's a not uncommon problem of plasmashell process getting stuck and 
> deadlocked (often due to some as-yet-unexplained interaction between libxcb 
> and video drivers).
> 
> the easiest workaround is to restart the plasmashell process:
> 
> ALT-F2(krunner): killall plasmashell
> (wait a few moments)
> ALT-F2(krunner): plasmashell

I just had this problem again and restarting plasmashell didn't help.
Neither did dropping to console and restarting sddm. I actually
rebooted, which is unthinkable.

I have to tell you, MATE is looking better and better to me.

-- 
Glenn Holmer (Linux registered user #16682)
"After the vintage season came the aftermath -- and Cenbe."