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SubjectRe: [PATCH 0/1] x86: fix remove cpu_pda table patch

* 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


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