Messages in this thread | | | Date | Fri, 09 Apr 2004 10:26:05 -0500 | From | Jon Grimm <> | Subject | Re: io_apic & timer_ack fix |
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Philippe Elie wrote:
>On Fri, 09 Apr 2004 at 08:39 +0000, Jon Grimm wrote: > > > >>Hmmm.... >> >>I see that the following patch got pulled in by Andrew: >>http://linux.bkbits.net:8080/linux-2.5/diffs/arch/i386/kernel/io_apic.c@1.85?nav=index.html|src/|src/arch|src/arch/i386|src/arch/i386/kernel|hist/arch/i386/kernel/io_apic.c >> >>The patch had a couple bugs: >>http://seclists.org/lists/linux-kernel/2004/Mar/4152.html >> >>But the patch was pulled out entirely by Linus: >>http://linux.bkbits.net:8080/linux-2.5/diffs/arch/i386/kernel/io_apic.c@1.88?nav=index.html|src/|src/arch|src/arch/i386|src/arch/i386/kernel|hist/arch/i386/kernel/io_apic.c >> >>Was it determined that the fix was bogus? damaging? fixable? >> >> > >http://marc.theaimsgroup.com/?l=linux-kernel&m=107840458123059&w=2 > >what's the right fix ? This patch fix timer_ack in three place, the >two last look like typo (spurious ';' after if ()), the first chunk >apparently cause higher temp on some mobo. > > > I have the spurious ';' removed in my testing.
>>I ask as I see behavior identical for which this patch seems to have >>been originally carved up for (buggy SMM BIOS at fault, but this was a >>workaround in the OS). >> >>http://marc.theaimsgroup.com/?l=linux-kernel&m=101604672921823&w=2 >>http://www.ussg.iu.edu/hypermail/linux/kernel/0203.2/0698.html >> >>Its a fair answer to force the BIOS vendor to fix, but in the meantime, >>I'm trying to figure out how safe/unsafe the workaround patch is ? >>I've ran on it overnight (with the semi-colon's fixed) and it hasn't >>exhibited the troubling behavior (where timer interrupts seem stuck or >>in some cases just extremely slow.... and the 8259 IMR is mucked up when >>Linux isn't even touching anymore). >> >> > >I agree but actually it cause trouble for non bugged mobo, can this fixed ? > > >
I hope. It looks like a real problem on a box I have.
>regards, >Philippe Elie > > - 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/
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