Messages in this thread | | | Date | Wed, 21 Jan 2009 08:44:32 +0800 | From | Li Zefan <> | Subject | Re: [BUG] kernel BUG at arch/x86/kernel/tlb_32.c:130! |
| |
>>> okay, a testsystem of mine just triggered this crash too. >>> >>> Li Zefan, Jaswinder, does the patch below fix it for you? >>> >> I'll test it, but I have to run for several hours to confirm it, since >> the bug is not easy to trigger. :) > > yes. It triggered on an old 32-bit dual-socket HyperThreading system for > me and that is because HyperThreading is very good at triggering narrow > SMP races. (which this one certainly is) > > (I'd expect Nehalem to trigger this TLB flushing race more easily too, > where HyperThreading made a comeback.) >
Nothing bad happaned in the last 16+ hours. :)
Tested-by: Li Zefan <lizf@cn.fujitsu.com>
| |