From Bugzilla Helper: User-Agent: Mozilla/4.77 [fr] (X11; U; Linux 2.2.16-3 i686) Description of problem: When running mount in parallele on the same filesystem, I get a kernel panic almost every time. How reproducible: Always Steps to Reproduce: Build the following prog #include <sys/mount.h> #include <linux/fs.h> #include <signal.h> main() { signal(SIGCHLD,SIG_IGN); fork(); mount("/dev/hdd4","/mnt/zip","vfat",MS_NOSUID|MS_NODEV|MS_NOEXEC|MS_MGC_VAL,0); } Run it a one time, unmount the filesystem and run it once more. (Problem happens on the second time) Actual Results: divide error: 0 CPU: 0 EIP: 10:[<c88c9c51>] EFLAGS: 10246 EAX: 1df EBX:0 ECX:d626a100 EDX:0 ESI: c6190000 EDI:c025c168 EBP: c0275a50 ESP: c0233e90 DS:18 ES:18 ss:18 Process swapper (pid:0, process nr:0 stackpage: c0233000 CallTrace: c88cb060 c017e9bb c88c956d c017ecf8 c017f145 c88c949c c010af82 c010ad47 c010b0a4 c010ad88 c0108799 c0106000 c01087bc c0109f0c c0106000 c010607b c0106000 c0100175 Code: f7 f3 85 d2 75 0d 8b 57 14 89 d0 31 d2 f7 f3 85 d2 74 0c 8d Aiee, killing interrupt handler kernel panic: Attempted to kill the idle task In swapper task - not syncing Expected Results: Nothing wrong Additional info: RedHat 6.2 with kernel 2.2.16-3 i686 Tell me if you also need the stack.
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