On Mon, Apr 04, 2005 at 08:42:30AM +0900, Tomita, Haruo wrote:
> Indeed, Is there a good method of debugging this issue?
> In the check on the source, a doubtful place was not found except
> file_kill().
The obvious way would be to add a variable and do something like
#define file_list_lock() \
do { \
spin_lock(&files_lock); \
holder_pid = pid; \
} while(0)
and add a way to check its value (anything - sysrq, whatever).
That assumes that you can reproduce that deadlock at will, obviously...
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