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Mike Travis wrote: > Ingo Molnar wrote: >> * Mike Travis <travis@sgi.com> wrote: >> >>> [Ingo - please replace "PATCH 07/11" with this one.] >>> >>> * Remove 544k bytes from the kernel by removing the boot_cpu_pda >>> array from the data section and allocating it during startup. >>> >>> Fixed panic in setup_per_cpu_areas when HOTPLUG_CPU not set. >>> >>> For inclusion into sched-devel/latest tree. >> sched-devel.git randconfig testing found another crash with your queue: >> >> [ 0.111060] Brought up 1 CPUs >> [ 0.111986] Total of 1 processors activated (4022.73 BogoMIPS). >> [ 0.112987] Testing NMI watchdog ... <1>BUG: unable to handle kernel NULL pointer dereference at 0000000000000040 >> [ 0.114982] IP: [<ffffffff8180d4a0>] check_nmi_watchdog+0xb0/0x210 >> [ 0.114982] PGD 0 >> [ 0.114982] Oops: 0000 [1] SMP >> [ 0.114982] CPU 0 >> [............] >> >> http://redhat.com/~mingo/misc/config-Mon_Apr_28_23_25_25_CEST_2008.bad >> http://redhat.com/~mingo/misc/log-Mon_Apr_28_23_25_25_CEST_2008.bad >> >> Ingo > > Hi Ingo, > > I need a bit more information on your hardware configuration. Building a > kernel with the above config file started up fine on both the Intel and AMD > boxes. > > Based on the above output it looks like it might be a UP machine? ... Ok, I think I found it. In check_nmi_watchdog(): for (cpu = 0; cpu < NR_CPUS; cpu++) prev_nmi_count[cpu] = cpu_pda(cpu)->__nmi_count; As I mentioned it works fine on both of my systems so could you try it out? Thanks! Mike -- * Change function check_nmi_watchdog() to use nr_cpu_ids instead of NR_CPUS. Based on: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git + sched-devel/latest .../mingo/linux-2.6-sched-devel.git Signed-off-by: Mike Travis <travis@sgi.com> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> |
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| .. | ||
| boot | ||
| configs | ||
| crypto | ||
| ia32 | ||
| kernel | ||
| kvm | ||
| lguest | ||
| lib | ||
| mach-default | ||
| mach-es7000 | ||
| mach-generic | ||
| mach-rdc321x | ||
| mach-visws | ||
| mach-voyager | ||
| math-emu | ||
| mm | ||
| oprofile | ||
| pci | ||
| power | ||
| vdso | ||
| video | ||
| xen | ||
| Kconfig | ||
| Kconfig.cpu | ||
| Kconfig.debug | ||
| Makefile | ||
| Makefile_32.cpu | ||