Messages in this thread | | | Date | Wed, 28 Apr 2010 22:22:11 +0200 (CEST) | From | Thomas Gleixner <> | Subject | Re: 2.6.33.3-rt16 Oops caused by umount |
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On Wed, 28 Apr 2010, Xianghua Xiao wrote: > On Wed, Apr 28, 2010 at 2:38 PM, Thomas Gleixner <tglx@linutronix.de> wrote: > > On Wed, 28 Apr 2010, Xianghua Xiao wrote: > >> Thomas, > >> I patched it and re-run it however did not find any condition from > >> your patch had a hit. > >> In your patch I changed : > >> > >> if (!file->f_path) { > >> to > >> if(!(&(file->f_path))){ > >> Otherwise it won't compile as f_path is a not a pointer. > > > > True :) > > > >> # reboot > >> # Oops: Kernel access of bad area, sig: 11 [#1] > > > > Ok. Can you please enable CONFIG_DEBUG_LIST ? > > > > Thanks, > > > > tglx > > > I turned on that, could not find any difference from the oops log. > If I try to remount it rw then ro, the remount ro will cause similar oops > Thanks, > Xianghua > > # reboot > # Oops: Kernel access of bad area, sig: 11 [#1] > PREEMPT 834x SYS > Modules linked in: > NIP: c009ca1c LR: c009c9cc CTR: 00000000
Can you please decode the code lines with
# addr2line -e vmlinux 0xc009ca1c 0xc009c9cc
You need to enable CONFIG_DEBUG_INFO to get real line numbers.
Thanks,
tglx | |