lkml.org 
[lkml]   [2005]   [Sep]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectRe: Lost Ticks
Yeah - there's a patch for that here:

http://bugzilla.kernel.org/show_bug.cgi?id=5105

I haven't tried it yet but will later when I go to the data center. You
might want to try it and let me know if it actually fixed the problem.

diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c
--- a/arch/x86_64/kernel/time.c
+++ b/arch/x86_64/kernel/time.c
@@ -959,9 +959,6 @@ static __init int unsynchronized_tsc(voi
are handled in the OEM check above. */
if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL)
return 0;
- /* All in a single socket - should be synchronized */
- if (cpus_weight(cpu_core_map[0]) == num_online_cpus())
- return 0;
#endif
/* Assume multi socket systems are not synchronized */
return num_online_cpus() > 1;

Mizery loves company. I'm glad I'm not the only one with this problem.


Scott Lampert wrote:

> I have the exact same problem on a ASUS A8N-SLI Premium board and
> Athlon64 4800+ X2 with every BIOS up to 1008-01. Running with notsc
> is the only way to get it to work.
>
> As an aside BIOS version 1008-003 is available for this board however
> this one seems to be WAY worse as the board won't even boot. It gets
> panics before the boot messages unless you boot with noapic and after
> that it gets checksum errors on the RSDP. I'm afraid to see what the
> next official BIOS version does. :/
> -Scott
>
> Frank van Maarseveen wrote:
>
>> On Sun, Sep 18, 2005 at 09:23:40PM -0700, Marc Perkel wrote:
>>
>>
>>> Got a dual core Athlon 64 X2 on an Asus board using NVidia chipset
>>> and getting lost ticks. The software clock of course is totally
>>> messed up. I've scanned google for a solution and see others
>>> complaining about bad code in the SMM BIOS. I have the latest bios
>>> and whatever they need to fix - isn't.
>>>
>>> So - what do I do to make it work?
>>>
>>
>>
>> See http://bugzilla.kernel.org/show_bug.cgi?id=5105
>>
>> On the kernel command-line:
>>
>> x86_64: try "notsc"
>> i386: try "clock=pit"
>>
>> "nosmp" works but isn't fun.
>>
>>
>>
> -
> 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/


--
Marc Perkel - marc@perkel.com

Spam Filter: http://www.junkemailfilter.com
My Blog: http://marc.perkel.com

-
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/

\
 
 \ /
  Last update: 2005-09-20 20:28    [W:0.052 / U:0.568 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site