On Tuesday 07 July 2009 13:00:11 Rafael J. Wysocki wrote: > On Tuesday 07 July 2009, Shaohua Li wrote: > > On Tue, Jul 07, 2009 at 08:00:36AM +0800, Rafael J. Wysocki wrote: > > > This message has been generated automatically as a part of a report > > > of regressions introduced between 2.6.29 and 2.6.30. > > > > > > The following bug entry is on the current list of known regressions > > > introduced between 2.6.29 and 2.6.30. Please verify if it still should > > > be listed and let me know (either way). > > > > > > > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=13318 > > > Subject : AGP doesn't work anymore on nforce2 > > > Submitter : Karsten Mehrhoff <kawime@xxxxxx> > > > Date : 2009-04-30 8:51 (68 days old) > > > First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=59de2bebabc5027f93df999d59cc65df591c3e6e > > > References : http://marc.info/?l=linux-kernel&m=124108156417560&w=4 > > > Handled-By : Shaohua Li <shaohua.li@xxxxxxxxx> > > Can anybody else help look at this issue? I really have no idea why this could > > happens. > > Quirky hardware? Could be a weird interaction between CONFIG_X86_USE_3DNOW and AGP or "simply" some timing issue. Either way it means a lot of "fun". ;) The latter theory can be verified by adding some {u,m}delay() to agp_generic_alloc_page{s}() and the former one with: --- arch/x86/Kconfig.cpu | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: b/arch/x86/Kconfig.cpu =================================================================== --- a/arch/x86/Kconfig.cpu +++ b/arch/x86/Kconfig.cpu @@ -363,7 +363,7 @@ config X86_USE_PPRO_CHECKSUM config X86_USE_3DNOW def_bool y - depends on (MCYRIXIII || MK7 || MGEODE_LX) && !UML + depends on (MCYRIXIII || MGEODE_LX) && !UML config X86_OOSTORE def_bool y -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
