Opened 12 years ago
Last modified 11 years ago
#492 closed defect
btrace kcon command panics on arm32. — at Version 2
Reported by: | Jan Vesely | Owned by: | Jiri Svoboda |
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Priority: | major | Milestone: | 0.6.0 |
Component: | helenos/kernel/arm32 | Version: | mainline |
Keywords: | Cc: | ||
Blocker for: | Depends on: | ||
See also: |
Description (last modified by )
I tried to see btrace of compositor thread
kconsole> btrace 29
Scheduling thread stack trace.
kconsole> Thread 29 stack trace:
0x0002bd0c: 0x00000000()
0xe28db00c: test/thread/thread1.o:threads_fi?R???d'?()+0x6e5a61c8
######> Kernel panic on cpu0 due to a failed assertion: <######
waitq_sleep_timeout() at generic/src/synch/waitq.c:264:
(PARAM_NON_BLOCKING(flags, usec)) |
THE=0x81956000: pe=1 thr=0x80564600 task=0x80624000 cpu=0x81955000 as=0x818c45a0 magic=0xfacefeed
cpu0: halted
Change History (3)
by , 12 years ago
Attachment: | am64-btrace-panic.png added |
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comment:2 by , 11 years ago
Description: | modified (diff) |
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The problem (on arm32) is that istate_get()
in syscall_handler()
, for some reason, returns an address, which is 8 bytes off the actual istate_t
structure on the kernel stack.
pnic on adm64