Messages in this thread | | | From | Neil Brown <> | Date | Tue, 24 Jan 2006 14:51:56 +1100 | Subject | Re: 2.6.16-rc1-mm2 |
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On Saturday January 21, reuben-lkml@reub.net wrote: > md: stopping all md devices. > md: md1 switched to read-only mode. > BUG: unable to handle kernel NULL pointer dereference<6>md: md2 switched to > read-only mode. > at virtual address 0000001c > printing eip: > b02a6951 > *pde = 00000000 > Oops: 0000 [#1] > SMP > last sysfs file: /devices/pci0000:00/0000:00:1f.3/i2c-0/0-002e/vrm > Modules linked in: iptable_mangle iptable_nat ip_nat ip_conntrack nfnetlink > iptable_filter ip_tables nfsd exportfs lockd sunrpc ipv6 ip_gre binfmt_misc > serio_raw piix hw_random > CPU: 0 > EIP: 0060:[<b02a6951>] Not tainted VLI > EFLAGS: 00010002 (2.6.16-rc1-mm2 #1) > EIP is at bitmap_daemon_work+0x144/0x391
Hmmmm.... yep. I see the problem. We shouldn't be tearing down the bitmap when switching to read-only. Patch to follow.
Thanks,
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