tags 561203 - pending thanks Hello, On pirmadienis 04 Sausis 2010 17:18:40 Helge Deller wrote: > libc6-2.10.2-3 made it much, *much* better (I'm not sure yet why!!). > But I can still reproduce the bug on my system with your testcases. It's > just much harder to reproduce it, but it still happens. So, it's not fixed > yet, it just happens much less often. Indeed, you are right. I was able to run `./minifail qt` 90k times without a hang, but it hang at the 3000+th run next time. Anyway, probability of hitting this bug has become much much lower now so maybe KDE will finally build on hppa now. Even if build fails with a timeout like previously, it should be enough to give back it once again. Btw, backtrace of the hang is different now: (gdb) t 2 [Switching to thread 2 (Thread 0x41d26480 (LWP 4088))]#0 0x0000046c in ?? () (gdb) bt #0 0x0000046c in ?? () #1 0x40a06380 in ?? () from /lib/libc.so.6 #2 0x40a06380 in ?? () from /lib/libc.so.6 #3 0x40a060b4 in malloc () from /lib/libc.so.6 #4 0x4093b2b4 in operator new(unsigned int) () from /usr/lib/libstdc++.so.6 #5 0x404e45e8 in QThreadPrivate::createEventDispatcher (data=0x16c40) at thread/qthread_unix.cpp:159 #6 0x404e4858 in QThreadPrivate::start (arg=0x168f8) at thread/qthread_unix.cpp:183 #7 0x403080a0 in start_thread () from /lib/libpthread.so.0 #8 0x40a66898 in clone () from /lib/libc.so.6 #9 0x04010300 in ?? () #10 0x04010300 in ?? () Backtrace stopped: previous frame identical to this frame (corrupt stack?) (gdb) x/20i 0x40a060b4 0x40a060b4 <malloc+1208>: b,l 0x40a05d60 <malloc+356>,r0 0x40a060b8 <malloc+1212>: copy ret0,r5 0x40a060bc <malloc+1216>: mfctl tr3,ret0 0x40a060c0 <malloc+1220>: ldi 0,r23 0x40a060c4 <malloc+1224>: ldw -478(ret0),r25 0x40a060c8 <malloc+1228>: ldi 1,r24 0x40a060cc <malloc+1232>: depwi -1,31,1,r25 0x40a060d0 <malloc+1236>: copy r3,r26 0x40a060d4 <malloc+1240>: copy r19,r4 0x40a060d8 <malloc+1244>: be,l 100(sr2,r0),sr0,r31 0x40a060dc <malloc+1248>: ldi d2,r20 0x40a060e0 <malloc+1252>: copy r4,r19 0x40a060e4 <malloc+1256>: b,l 0x40a05d28 <malloc+300>,r0 0x40a060e8 <malloc+1260>: ldo -8(r5),r20 0x40a060ec <malloc+1264>: mfctl tr3,ret0 0x40a060f0 <malloc+1268>: ldi 0,r23 0x40a060f4 <malloc+1272>: ldw -478(ret0),r25 0x40a060f8 <malloc+1276>: ldi 1,r24 0x40a060fc <malloc+1280>: depwi -1,31,1,r25 0x40a06100 <malloc+1284>: copy r7,r26 (gdb) x/20i 0x40a06380 0x40a06380: b,l 0x40a0622c,r0 0x40a06384: copy r4,r19 0x40a06388: mfctl tr3,ret0 0x40a0638c: copy r5,r26 0x40a06390: ldw -478(ret0),r25 0x40a06394: ldi 0,r23 0x40a06398: depwi -1,31,1,r25 0x40a0639c: ldi 1,r24 0x40a063a0: copy r19,r4 0x40a063a4: be,l 100(sr2,r0),sr0,r31 0x40a063a8: ldi d2,r20 0x40a063ac: copy r4,r19 0x40a063b0: b,l,n 0x40a06290,r0 0x40a063b4: stw rp,-14(sp) 0x40a063b8: addil L%1000,r19,r1 0x40a063bc: ldo 40(sp),sp 0x40a063c0: ldw 35c(r1),ret0 0x40a063c4: stw r4,-34(sp) 0x40a063c8: copy r19,r4 0x40a063cc: stw r19,-20(sp) -- Modestas Vainius <modestas@vainius.eu>
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