On Mon, Jul 7, 2008 at 10:28 PM, Randy Dunlap <randy.dunlap@xxxxxxxxxx> wrote: > On Mon, 7 Jul 2008 17:24:16 -0700 Yinghai Lu wrote: > >> On Mon, Jul 7, 2008 at 3:40 PM, Randy Dunlap <randy.dunlap@xxxxxxxxxx> wrote: >> > On Mon, 7 Jul 2008 11:39:17 -0700 Randy Dunlap wrote: >> > >> >> On Mon, 7 Jul 2008 08:32:18 +0200 Ingo Molnar wrote: >> >> >> >> > >> >> > * Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: >> >> > >> >> > > > This still happens with 2.6.26-rc9. Using CONFIG_NUMA=y boots OK. >> >> > > >> >> > > Ok, then it wasn't the nr_zones thing. >> >> > > >> >> > > Since it seems to be repeatable for you, can you bisect it? >> >> > >> >> > one guess would be: >> >> > >> >> > | commit e8ee6f0ae5cd860e8e6c02807edfa3c1fa01bcb5 >> >> > | Author: Yinghai Lu <yhlu.kernel@xxxxxxxxx> >> >> > | Date: Sun Apr 13 01:41:58 2008 -0700 >> >> > | >> >> > | x86: work around io allocation overlap of HT links >> >> > >> >> > but ... since CONFIG_NUMA makes it work, i'm not sure about that. >> >> > >> >> > Randy, could you post the full CONFIG_NUMA bootlog as well, does it show >> >> > any difference in resource allocations? >> >> >> >> Good and bad boot logs are attached. There are several differences, but I don't >> >> see any that are significant. >> >> >> >> I've started bisecting with: >> >> >> >> $ git bisect start >> >> $ git bisect bad v2.6.26-rc1 >> >> $ git bisect good v2.6.25 >> >> >> >> That's only about 1.29M lines of changes. >> > >> > git bisect and normal rebooting did not find a problem. >> > >> > I'll repeat this using kexec to boot the new kernel and see if that >> > locates any issues... since I normally use kexec to load/test new kernels >> > and that was how the failure occurred (occurs). >> > >> >> same NON-NUMA kernel kexec NON-NUMA kernel? >> >> or other kernel kexex it? > > Ah. Good question. I hadn't noticed that. > NUMA kernel kexec-ing a non-NUMA kernel now fails, but it worked in 2.6.25. > can you resend out that two config? YH -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html