Wait-Queue Panic with system level calls.
Wait-Queue Panic with system level calls.
- Subject: Wait-Queue Panic with system level calls.
- From: JanakiRam <email@hidden>
- Date: Wed, 22 Aug 2007 20:20:49 +0530
Hi All,
I'm having a strange problem with my kernel
extension. Some times while launching my kext , the system is panicking
by showing a wait queue deadlock.
I've used a two
machine debugging technique , got the stack trace which looks strange.
Following is the stack trace for it.
It looks like that , some thing is happening in the system call and finally getting crashed.
Can any one provide some pointers on this & and also provide
links/documentation which explain the internal implementation of
kextload.
(gdb) backtrace full
#0 0x000959ac in Debugger ()
No symbol table info available.
#1 0x00026898 in panic ()
No symbol table info available.
#2 0x000365d8 in semaphore_destroy ()
No symbol table info available.
#3 0x00038fe0 in task_synchronizer_destroy_all ()
No symbol table info available.
#4 0x00038178 in task_terminate_internal ()
No symbol table info available.
#5 0x00266a60 in exit1 ()
No symbol table info available.
#6 0x002668cc in exit ()
No symbol table info available.
#7 0x002ab7f8 in unix_syscall ()
No symbol table info available.
#8 0x000abb30 in shandler ()
No symbol table info available.
#9 0x00000000 in lowGlo ()
No symbol table info available.
-JanakiRam.
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