On Tue, 14 Mar 2006, Andrew Clayton wrote:
>
> With the above kernels I am seeing spontaneous system reboots. Nothing
> seems to get logged anywhere and when I've been at the console I haven't
> noticed any oops or anything before the machine resets.
>
> This was first triggered by accessing a usb key drive thing, this
> happened a couple of times and then this morning while investigating
> some more it happened as I was exiting my X session.
>
> The machine is an AMD Athlon(tm) 64 Processor 3500+ (Single processor,
> single core), with 1GB RAM. GCC is gcc (GCC) 4.0.2 20051125 (Red Hat
> 4.0.2-8) from Fedora Core 4
>
>
> 2.6.16-rc6 is working fine.
>
>
> The following change looked an obvious candidate
>
> http://www.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=c33d4568aca9028a22857f94f5e0850012b6444b
>
> So I took a 2.6.16-rc6-git2 tree and reverted arch/x86_64/kernel/entry.S
> to the one in 2.6.16-rc6 and so far (35 minutes) no problems.
Yep, that one's a turkey, definitely something for Linus to revert.
Seeing your report, I gave 2.6.16-rc6-git2 a try at concurrent kernel
builds on dual HT EM64T: collapsed in all kinds of weird page table
corruption or slab corruption within minutes, three boots in a row.
Backed out that patch and it's going fine for half an hour now.
Andi, if you've a replacement patch you'd like everybody to test,
please post: I for one will surely give it a try.
Hugh
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