Users of our application report the following crash:
Exception: EXC_BAD_ACCESS (0x0001)
Codes: KERN_INVALID_ADDRESS (0x0001) at 0x81061505
Thread 2 Crashed:
0 pmcl-OSX-kernel 0x0069e410 cmain_vbl + 276
(pmcl-kernel.c:679)
1 ...ple.CoreServices.CarbonCore 0x90b738b4 TimerThread + 288
2 libSystem.B.dylib 0x9002c3d4 _pthread_body + 96
Thread 2 crashed with PPC Thread State:
srr0: 0x0069e410 srr1: 0x0000d030 vrsave: 0x00000000
cr: 0x20000008 xer: 0x00000000 lr: 0x0069e338 ctr: 0x9000a770
r0: 0x81061501 r1: 0xf0101d70 r2: 0x81061501 r3: 0x00000000
r4: 0x00000003 r5: 0x00000024 r6: 0x0000002c r7: 0x00002407
r8: 0x00000000 r9: 0x00000000 r10: 0x89d832be r11: 0xa0006c68
r12: 0x9000a770 r13: 0x00000000 r14: 0x00000000 r15: 0x00000000
r16: 0x00000000 r17: 0x00000000 r18: 0x00000000 r19: 0x00000000
r20: 0x00000000 r21: 0x00000000 r22: 0x00000000 r23: 0x00000000
r24: 0x00000000 r25: 0x00000000 r26: 0x00000000 r27: 0x00000000
r28: 0xa0b037a4 r29: 0x0069e2fc r30: 0xf0101d70 r31: 0x0069e314
Another report:
Exception: EXC_BAD_ACCESS (0x0001)
Codes: KERN_INVALID_ADDRESS (0x0001) at 0x81041505
Thread 2 Crashed:
0 pmcl-OSX-kernel 0x00621410 cmain_vbl + 276
(pmcl-kernel.c:660)
1 ...ple.CoreServices.CarbonCore 0x90b738ac TimerThread + 288
2 libSystem.B.dylib 0x9002c3b4 _pthread_body
+ 96
Thread 2 crashed with PPC Thread State:
srr0: 0x00621410 srr1: 0x0000d030 vrsave:
0x00000000
cr: 0x80000002 xer: 0x00000000 lr: 0x00621338 ctr:
0x9000a750
r0: 0x81041501 r1: 0xf0101d70 r2: 0x00000000 r3:
0x00000000
r4: 0x00000003 r5: 0x00000024 r6: 0x0000002c r7:
0x00002407
r8: 0x00000000 r9: 0x81041501 r10: 0xb0f66ec0 r11:
0xa0006c68
r12: 0x9000a750 r13: 0x00000000 r14: 0x00000000 r15:
0x00000000
r16: 0x00000000 r17: 0x00000000 r18: 0x00000000 r19:
0x00000000
r20: 0x00000000 r21: 0x00000000 r22: 0x00000000 r23:
0x00000000
r24: 0x00000000 r25: 0x00000000 r26: 0x00000000 r27:
0x00000000
r28: 0xa0b0379c r29: 0x006212fc r30: 0xf0101d70 r31:
0x00621314
The crash occurs seldom, on the order of once a day. More likely to
happen after the machine has been idle for some time (several hours).
Rumor has it that something changed in the implementation of TMTask
in 10.4
Here is the code that sets it up.
{
TMTask *q = (TMTask *) NewPtrClear(sizeof(TMTask));
/* cmain_descriptor = NewTimerProc(cmain_vbl); */
cmain_descriptor = (TimerUPP)NewTimerUPP(cmain_vbl);
q->qType = 0; /* ?? */
q->tmAddr = cmain_descriptor;
q->tmCount = 1;
cmain_vblQ = q;
InsTime((QElem *) q);
PrimeTime((QElem *) q, 15);
}
Any help would be much appreciated.
Thank you.
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