Messages in this thread | | | Date | Tue, 27 Apr 2010 15:54:40 -0500 | Subject | Re: 2.6.33.3-rt16 Oops caused by umount | From | Xianghua Xiao <> |
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On Tue, Apr 27, 2010 at 3:30 PM, john stultz <johnstul@us.ibm.com> wrote: > On Tue, 2010-04-27 at 13:23 -0700, john stultz wrote: >> On Tue, 2010-04-27 at 20:56 +0200, Thomas Gleixner wrote: >> > On Tue, 27 Apr 2010, Xianghua Xiao wrote: >> > >> > cc'ed John >> > >> > > 2.6.33.2-rt13 worked fine, however on 2.6.33.3-rt16, when I do reboot, it oops: >> > > >> > > # reboot >> > > # Oops: Kernel access of bad area, sig: 11 [#1] >> > > PREEMPT 83xx Sys >> > > Modules linked in: >> > > NIP: c00efc68 LR: c00efc38 CTR: 00000000 >> > > REGS: ce6e3dc0 TRAP: 0300 Not tainted (2.6.33.3-rt16) >> > > MSR: 00009032 <EE,ME,IR,DR> CR: 24000448 XER: 00000000 >> > > DAR: 00000038, DSISR: 20000000 >> > > TASK = cd89ccc0[1613] 'umount' THREAD: ce6e2000 >> > > GPR00: 00000000 ce6e3e70 cd89ccc0 ce6e3ddc 22222222 00000000 ce6e3e24 ce6e3e04 >> > > GPR08: 00008000 00000010 cdfa2130 cdfa26e0 44000442 100bbc1c 0fffd000 ffffffff >> > > GPR16: 00000001 00000000 007fff00 00000000 00000000 00000001 ce6e3eb8 00000021 >> > > GPR24: 00000060 00000000 00000000 ceb94c40 00000000 ceb94cc0 c065781c ce6e3e70 >> > > NIP [c00efc68] fs_may_remount_ro+0x6c/0xd8 >> > > LR [c00efc38] fs_may_remount_ro+0x3c/0xd8 >> > > Call Trace: >> > > [ce6e3e70] [c00efc38] fs_may_remount_ro+0x3c/0xd8 (unreliable) >> > > [ce6e3e90] [c00f1198] do_remount_sb+0x11c/0x164 >> > > [ce6e3eb0] [c0113a3c] do_mount+0x538/0x86c >> > > [ce6e3f10] [c0113e30] sys_mount+0xc0/0x120 >> > > [ce6e3f40] [c00178d8] ret_from_syscall+0x0/0x38 >> > > --- Exception: c01 at 0xfe5f8c4 >> > > LR = 0x10051b88 >> > > Instruction dump: >> > > 38000000 817d00c0 3bbd00c0 60088000 814b0000 2f8a0000 419e0008 7c00522c >> > > 7f8be800 419e004c 812b000c 81290040 <80090028> 2f800000 419e0028 a009006e >> > > ---[ end trace 17c711f9d369c3a3 ]--- >> >> Hey Xianghua, >> What filesystem was this on? And what architecture? > > Also a .config would be helpful. > > thanks > -john > > >
John, it's ext2 and powerpc 834x. config.gz is attached. the same config is used on 2.6.33.2-rt13 which did not show this umount oops. Thanks! Xianghua [unhandled content-type:application/x-gzip] | |