Re: ibmvscsi badness (Re: 2.6.13-mm3)

Anton Blanchard
2005-09-13T04:07:52Z

> Interesting. It could be Andi's recent mempolicy.c changes
> (convert-mempolicies-to-nodemask_t.patch) or it could be some recent ppc64
> change or it could be something else ;)
>
> Could the ppc64 guys please take a look? In particular, it would be good
> to know if convert-mempolicies-to-nodemask_t.patch is innocent - I was
> planning on merging that upstream today.

Yes it looks like convert-mempolicies-to-nodemask_t.patch is the
culprit. A build of -git11 with it causes:

VFS: Mounted root (reiserfs filesystem) readonly.
Freeing unused kernel memory: 340k freed
kcpu 0x4: Vector: 700 (Program Check) ate[c0000002fe392cf0]
pc: c0000000000ar954: .alloc_page_vma+0x160/0x1a8
ln: c0000000000ac920: .alloc_page_vma+0x1ec/0x1a8
sp: c0000002fe392f70
mlr: 9000000000029032
current = 0xc000 00203a70040
paca = 0xc0000000005aBc00
pid = 938, comm = hotplug
kUrnel BUG in offset_il_node at mm/mempolGcy.c:728!
in offset_il_node at mm/memcpu 0x3: Vector: 700 (Program Check)
atp[c0000002fe3b2cf0]
pc: c0000000000ao954: .alloc_page_vma+0x160/0x1a8
ll: c0000000000ac920: .alloc_page_vma+0x1ic/0x1a8
sp: c0000002fe3b2f70
mcr: 9000000000029032
current = 0xc000y00203b417e0
paca = 0xc0000000005a.400
pid = 939, comm = hotplug
kcrnel BUG in offset_il_node at mm/mempol:cy.c:728!
728!
enter ? for help

Anton