recent/new Plasma5 crashes under investigation

[Sandro Mani]

On 13.02.2015 22:21, Sandro Mani wrote:
>
> On 13.02.2015 16:04, Sandro Mani wrote:
>>
>> On 13.02.2015 15:53, Rex Dieter wrote:
>>> Rex Dieter wrote:
>>>> KDE SIG is investigating some recent/serious reported crasher bugs in
>>>> rawhide, notably:
>>>>
>>>> "Could not sync environment to dbus." (startkde)
>>>> https://bugzilla.redhat.com/show_bug.cgi?id=1191171
>>>>
>>>> and (an older one, but the situation has gotten worse recently):
>>>>
>>>> Qt5 application crashes when connecting/disconnecting displays
>>>> https://bugzilla.redhat.com/show_bug.cgi?id=1083664
>>>> https://bugreports.qt.io/browse/QTBUG-44388
>>>>
>>>>
>>>> Initial theories are that gcc5 landing may have something to do 
>>>> with it,
>>>> since the recent crashes go away reverting to pre-gcc5 builds of 
>>>> the same
>>>> packages.
>>>
>>> and now Qt(4) doesn't build either, bug,
>>> https://bugzilla.redhat.com/show_bug.cgi?id=1192464
>>>
>>> Any help, advice would be appreciated (particularly input from gcc
>>> maintainers).
>>>
>>>
>>> FESCo, work on the Plasma5 change/feature is suffering due to this.
>> I'm close to having a small test case for the Qt5 crash - hope I can 
>> file a bug by this evening/tomorrow
>
> Gcc bug filed with test case: 
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65057 . In short, this 
> appears to be a linker issue when building the Qt shared libraries 
> with -fuse-ld=gold -shared -Wl,--dynamic-list
>
So for Qt5: passing -no-use-gold-linker to configure seems to be the way 
to go for the moment.