Messages in this thread | | | Date | Wed, 18 Oct 2006 12:05:25 -0700 | From | Andrew Morton <> | Subject | Re: 2.6.19-rc2-mm1 |
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On Wed, 18 Oct 2006 20:05:48 +1000 Michael Ellerman <michael@ellerman.id.au> wrote:
> On Tue, 2006-10-17 at 13:22 -0700, Andrew Morton wrote: > > On Tue, 17 Oct 2006 12:37:48 -0700 > > Jeremy Fitzhardinge <jeremy@goop.org> wrote: > > > > > Andrew Morton wrote: > > > > -generic-implementatation-of-bug.patch > > > > -generic-implementatation-of-bug-fix.patch > > > > +generic-bug-implementation.patch > > > > generic-bug-for-i386.patch > > > > generic-bug-for-x86-64.patch > > > > uml-add-generic-bug-support.patch > > > > use-generic-bug-for-ppc.patch > > > > bug-test-1.patch > > > > > > > > Updated generic-BUG-handling patches > > > > > > > I thought the powerpc patch had been given a clean bill of health? Or > > > was there still a problem with it? > > > > No, last time I tested it the machine still froze after "returning from > > prom_init". ie: before it had done any WARNs or BUGs. It's rather > > mysterious. > > Works for me: > > Diego5:~# uname -a > Linux Diego5 2.6.19-rc2-mm1-git #9 SMP Wed Oct 18 19:30:38 EST 2006 ppc64 GNU/Linux
Yeah, weird. I'll test it a third time.
> Diego5:~# echo 4 > /proc/sys/vm/drop_caches > Badness in drop_caches_sysctl_handler at /home/michael/src/auto/git/fs/drop_caches.c:67 > Call Trace: > [C0000000431F7760] [C00000000000F8E4] .show_stack+0x6c/0x1a0 (unreliable) > [C0000000431F7800] [C000000000447B8C] .program_check_exception+0x19c/0x5cc > [C0000000431F78A0] [C00000000000446C] program_check_common+0xec/0x100 > --- Exception: 700 at .drop_caches_sysctl_handler+0x5c/0x88 > LR = .drop_caches_sysctl_handler+0x20/0x88 > [C0000000431F7C20] [C00000000005725C] .do_rw_proc+0x168/0x230 > [C0000000431F7CF0] [C0000000000BC76C] .vfs_write+0xd0/0x1b4 > [C0000000431F7D90] [C0000000000BD134] .sys_write+0x4c/0x8c > [C0000000431F7E30] [C00000000000861C] syscall_exit+0x0/0x40 > Diego5:~# echo 8 > /proc/sys/vm/drop_caches > kernel BUG in drop_caches_sysctl_handler at /home/michael/src/auto/git/fs/drop_caches.c:69! > cpu 0xd: Vector: 700 (Program Check) at [c0000000431f7910] > pc: c0000000000e3a5c: .drop_caches_sysctl_handler+0x68/0x88 > lr: c0000000000e3a14: .drop_caches_sysctl_handler+0x20/0x88 > sp: c0000000431f7b90 > msr: 8000000000029032 > current = 0xc00000000fc8c810 > paca = 0xc000000000564e00 > pid = 1465, comm = bash > kernel BUG in drop_caches_sysctl_handler at /home/michael/src/auto/git/fs/drop_caches.c:69! > enter ? for help > [c0000000431f7c20] c00000000005725c .do_rw_proc+0x168/0x230 > [c0000000431f7cf0] c0000000000bc76c .vfs_write+0xd0/0x1b4 > [c0000000431f7d90] c0000000000bd134 .sys_write+0x4c/0x8c > [c0000000431f7e30] c00000000000861c syscall_exit+0x0/0x40 > --- Exception: c01 (System Call) at 000000000fec9aac > SP (ff8416f0) is in userspace > d:mon> > > There's some NUMA badness going around that you might be hitting.
I don't set CONFIG_NUMA on the g5. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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