Messages in this thread | | | From | Tony Mantler <> | Subject | Re: CONFIG_MK6 = lsof hangs unkillable | Date | Fri, 20 Jan 2006 16:47:15 -0600 |
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On 20-Jan-06, at 4:41 PM, Andrew Morton wrote:
> Adrian Bunk <bunk@stusta.de> wrote: >> >> On Fri, Jan 20, 2006 at 04:44:07AM -0800, Andrew Morton wrote: >>> Tony Mantler <nicoya@ubb.ca> wrote: >>>> >>>> I'm having trouble running lsof on 2.6.15.1 when the kernel is >>>> compiled with CONFIG_MK6. When run as root, lsof will segfault, and >>>> when run as a user lsof will hang unkillable. >>>> >>>> The same kernel, same machine, but compiled with CONFIG_MK7 runs >>>> just >>>> lsof just fine. >>> >>> That's creepy. CONFIG_MK6 hardly does anything. The main thing >>> it does is >>> feed `-march=k6' into the compiler. MK7 uses `-march=athlon'. >>> ... >> >> CONFIG_MK7 results in a bigger L1_CACHE_SHIFT than CONFIG_MK6. >> >> AFAIR it wouldn't be the first time that changing L1_CACHE_SHIFT >> would >> hide a real bug visible with a different L1_CACHE_SHIFT. >> > > hm, OK. Well that's something we can ask Tony to eliminate, by > patching > his Kconfig.cpu to make CONFIG_MK6 have the larger L1_CACHE_SHIFT > (and/or > vice versa).
Just tested that a few seconds ago, actually.
CONFIG_MK6 with CONFIG_L1_CACHE_SHIFT=6 results in the same crash.
I'm going to twiddle the configs again and see if I can make a CONFIG_MK7 kernel with -march=k6
Cheers - Tony 'Nicoya' Mantler :)
-- Tony 'Nicoya' Mantler -- Master of Code-fu -- nicoya@ubb.ca -- http://nicoya.feline.pp.se/ -- http://www.ubb.ca/ --
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