Setup: FC6 system with MM snapshot broken-out-2007-11-06-02-32 and these two
patches added:
r-o-bind-mounts-track-number-of-mount-writer-fix-buggy-loop.patch
r-o-bind-mounts-track-number-of-mount-writer-fix-buggy-loop-checkpatch-fixes.patch
All I do is boot the system with said kernel, wait a few seconds, then shut
it down with "init 0". As services shutdown, I get this:
Stopping RPC idmapd:
kernel: __fput() of writeable file with no mnt_want_write()
kernel: WARNING: at fs/file_table.c:262 __fput()
kernel: [<c010283e>] show_trace_log_lvl+0x12/0x25
kernel: [<c0103042>] show_trace+0xd/0x10
kernel: [<c010313e>] dump_stack+0x15/0x17
kernel: [<c01491a4>] __fput+0x153/0x203
kernel: [<c014952d>] fput+0x2d/0x32
kernel: [<c0146c8a>] filp_close+0x50/0x5a
kernel: [<c01104fc>] put_files_struct+0x7c/0xbe
kernel: [<c0110575>] __exit_files+0x37/0x3c
kernel: [<c01115de>] do_exit+0x1ed/0x653
kernel: [<c0111ab2>] sys_exit_group+0x0/0x11
kernel: [<c01183fc>] get_signal_to_deliver+0x3c4/0x3e8
kernel: [<c0101873>] do_notify_resume+0x8c/0x6c4
kernel: [<c0102339>] work_notifysig+0x13/0x1a
kernel: =======================
Stopping NFS statd: BUG: unable to handle kernel paging request at virtual
address 6b6b6b6b.
EIP is at kobject_uevent_env+0x3c/0x399 which was called from
kobject_uevent, called from remove_user_sysfs_dir, run_workqueue,
worker_thread, kthread, kernel_thread_helper.
After that there are several other oopses (eg. during unmount of pipefs),
but I don't know how much to believe them given the first 1-2. Sorry I
don't have a cut-n-paste of the precise stack trace, but if anyone's
interested, I have a short video file of the shutdown sequence w/ all of the
oopses.
Erez.
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