Crash during playback

[Ian Monroe]

On Sat, Feb 14, 2009 at 6:00 AM, Alex Merry <kde at randomguy3.me.uk> wrote:
> On Saturday 14 February 2009 11:31:26 Mark Kretschmann wrote:
>> On Sat, Feb 14, 2009 at 12:19 PM, Alex Merry <kde at randomguy3.me.uk> wrote:
>> > In fact, Qt 4.5 in qt-copy (unpatched) has a null pixmap check in the
>> > QPainter::drawPixmap(QRectF,QPixmap,QRectF) method.  So I don't think
>> > you've fixed the issue, since as far as I can see your check is
>> > effectively a no-op.
>>
>> FWIW, I'm using Qt 4.4.
>
> Well, Qt 4.4 still has a null pixmap check in QPainter::drawPixmap, but
> QPixmap sometimes claims it isn't null when it is (I patched qt-copy, but the
> patch never made it into Qt 4.4 mainline as far as I'm aware, because I
> submitted the bug too late).  So your commit still has no effect.  But I don't
> think a null pixmap was the cause of the crash anyway.
>
> In this case, I'm pretty sure the crash happened in another thread.

Since Markey said the crash came out of nowhere, he was probably using
kcrash. You can always see a call to kcrash at the top of the
backtrace for the thread that actually crashed.

Ian