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Message-ID: <35793.86.7.220.119.1173019974.squirrel@wmbeta.mxes.net> Date: Sun, 4 Mar 2007 14:52:54 -0000 (GMT) From: "Andrew Nelless" <andrew@...less.net> To: "Antonino A. Daplas" <adaplas@...il.com> Cc: linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org Subject: Re: 2.6.21-rc1: framebuffer/console boot failure On Mon, February 26, 2007 11:09 pm, Antonino A. Daplas wrote: > > Not sure if the timer override workaround for nvidia chipsets is the > culprit, but if you want, you can choose to revert that to the previous behavior (which is > ignoring ACPI timer override). Open arch/x86_64/kernel/earlyquirk.c:nvidia_bugs() and change > this line: > > if (acpi_table_parse(ACPI_SIG_HPET, nvidia_hpet_check)) return; into this: > > acpi_table_parse(ACPI_SIG_HPET, nvidia_hpet_check); /* return; */ > > > Tony > This fixes the problem. After a lot of rebooting and testing the problem is definitely gone when this check is patched out and the ACPI timer override is ignored. It looks like there should be a cleaner patch than just obliterating the condition and return though. Perhaps the code should remain as is and "acpi_use_timer_override" could be complimented by exposing the "acpi_skip_timer_override" option to the kernel command line? This seems to have been exposed in the past: https://www.x86-64.org/pipermail/discuss/2005-April/005948.html - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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