On 11/02/15 08:58, Thiago Macieira wrote: > On Monday 02 November 2015 08:44:01 Randy Dunlap wrote: >>> Randy, we need a backtrace. The problem is on the function that called >>> first(). Can you make sure the crash generates a core dump, then get the >>> bt >>> from that? >> >> ASSERT: "!isEmpty()" in file /usr/include/QtCore/qlist.h, line 282 >> ../scripts/kconfig/Makefile:22: recipe for target 'xconfig' failed >> make[2]: *** [xconfig] Aborted (core dumped) > [cut] >> #4 0x00007f858c3eec44 in qFatal(char const*, ...) () >> at /usr/lib64/libQtCore.so.4 >> #5 0x00007f858c3eec8a in () at /usr/lib64/libQtCore.so.4 >> #6 0x00000000004206cc in ConfigList::updateSelection() () > > Thanks, Randy. > > This seems to be it: > > if (selectedItems().count() == 0) > return; > > ConfigItem* item = (ConfigItem*)selectedItems().first(); > > Which means this shouldn't be happening. I don't know how the list could be > non-empty in one call and empty in the next. It's wasteful to call > selectedItems() twice (it's not a cheap function), but it shouldn't cause this > issue. > > We can easily just cache the result and this is what the attached patch does, > but given that this error makes no sense to me, I cannot guarantee that you > don't have another problem elsewhere. > > Boris, do you have another idea? > Hi, What does this patch apply to? I can't apply it cleanly to to 4.3 or linux-next of yesterday or today. thanks, -- ~Randy -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
