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Diffstat (limited to 'results/classifier/zero-shot/108/other/1624896')
| -rw-r--r-- | results/classifier/zero-shot/108/other/1624896 | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/results/classifier/zero-shot/108/other/1624896 b/results/classifier/zero-shot/108/other/1624896 new file mode 100644 index 00000000..b660c6da --- /dev/null +++ b/results/classifier/zero-shot/108/other/1624896 @@ -0,0 +1,43 @@ +graphic: 0.722 +device: 0.669 +boot: 0.664 +debug: 0.663 +semantic: 0.536 +vnc: 0.418 +performance: 0.378 +socket: 0.203 +PID: 0.200 +other: 0.173 +permissions: 0.151 +files: 0.135 +network: 0.094 +KVM: 0.004 + +[PPC] SegFault due to Stack Overflow in E500 + + +I am getting a Segmentation Fault while simulating a PowerPC e500. I've tried to debug the problem and I've found that it occurs when you have a 0 value decrementer. The function trace is the following: + +1) __cpu_ppc_store_decr (ppc.c) is called with value = 0 and raise_excp=booke_decr_cb; +2) Since value < 3, booke_decr_cb is called; +3) booke_decr_cb then calls booke_update_irq() and cpu_ppc_store_decr(); +4) cpu_ppc_store_decr calls __cpu_ppc_store_decr + +You're stuck on this infinite cycle until your stack overflows eventually. + +Command Line: +qemu-system-ppc -cpu e500v2 -d guest_errors,unimp -m 2048 -M ppce500 -nographic -bios ../cc/share/qem +u/u-boot.e500 -kernel XKYAPP.exe + +Platform where the bug occured: Bash ubuntu on Windows; + +Revision where the bug was found: e3571ae30cd26d19efd4554c25e32ef64d6a36b3 (16 Set 2016) + + + +Thanks! + +Do you know what the DECAR SPR contains at that point in time? I guess it's 0 ... but what does that mean here? Should the decrementer be stopped? + +[Expired for QEMU because there has been no activity for 60 days.] + |