Messages in this thread |  | | Date | Sun, 8 Sep 2002 16:13:29 -0700 | From | "H. J. Lu" <> | Subject | Re: Odd problem with ACPI and i386 kernel |
| |
On Sun, Sep 08, 2002 at 11:55:58PM +0100, Hugh Dickins wrote: > On Sun, 8 Sep 2002, H. J. Lu wrote: > > I have a very strange problem with ACPI and i386 kernel. I built an > > i386 kernel with ACPI for RedHat installation since my new P4 machines > > needs ACPI to get IRQ. It works fine on my ASUS P4B533-E MB with Intel > > 845E chipset. However, on my Sony VAIO GRX560 which is a P4 1.6GHz > > with Intel 845 chipset, the machine will reboot as soon as the kernel > > starts to run. I tracked it down to CONFIG_X86_INVLPG. If I enable > > it, kernel will be fine. Has anyone else seen this? > > Yes, I sent Marcelo the patch below on 27th Aug, it's in 2.4.20-pre5. > I sent Linus a similar patch (copied to LKML) for the 2.5 tlbflush.h, > but he didn't care for its "cpu_has_pge" test, nor did he put in its > #define cpu_has_invlpg (boot_cpu_data.x86 > 3) > replacement: I'll resend. > > CONFIG_M386 kernel running on PPro+ processor with X86_FEATURE_PGE may > set _PAGE_GLOBAL bit: then __flush_tlb_one must use invlpg instruction. >
THANKS! It does the trick.
H.J. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
|  |