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Date: Fri, 7 Apr 2006 17:07:06 -0700
From: Andrew Morton <akpm@osdl.org>
To: Jim Cromie <jim.cromie@gmail.com>
Cc: linux-kernel@vger.kernel.org, johnstul@us.ibm.com
Subject: Re: 2.6.17-rc1-mm1 - detects buggy TSC on GEODE
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Jim Cromie <jim.cromie@gmail.com> wrote:
>
> 
> FYI, 
> 
> as the 2 syslog extracts show;
> 1.   the new kernel is now detecting the buggy TSC on the GEODE-sc1100
> 2.    the bug is apparently correctable by passing 'idle=poll' on kernel 
> boot-line.
> 
> Heres one vendor's bug/erratta description:
>     http://soekris.com/Issue0003.htm
> 
> 
> Apr  7 11:42:01 truck kernel: [   19.160016] Kernel command line: 
> console=ttyS0,115200n81 root=/dev/nfs 
> nfsroot=192.168.42.1:/nfshost/soekris 
> nfsaddrs=192.168.42.100:192.168.42.1:192.168.42.1:255.255.255.0:soekris:eth0 
> panic=5   BOOT_IMAGE=vmlinuz-2.6.17-rc1-mm1-sk
> Apr  7 11:42:01 truck kernel: [   24.314851] Time: tsc clocksource has 
> been installed.
> Apr  7 11:42:01 truck kernel: [   29.977802] TSC appears to be running 
> slowly. Marking it as unstable
> Apr  7 11:42:01 truck kernel: [   20.460000] Time: pit clocksource has 
> been installed.
> 
> 
> Apr  7 12:35:56 truck kernel: [   21.562573] Kernel command line: 
> console=ttyS0,115200n81 root=/dev/nfs 
> nfsroot=192.168.42.1:/nfshost/soekris 
> nfsaddrs=192.168.42.100:192.168.42.1:192.168.42.1:255.255.255.0:soekris:eth0 
> panic=5  idle=poll BOOT_IMAGE=vmlinuz-2.6.17-rc1-mm1-sk
> Apr  7 12:35:56 truck kernel: [   21.563049] using polling idle threads.
> Apr  7 12:35:56 truck kernel: [   28.393469] Time: tsc clocksource has 
> been installed.
> 
> 
> Its nice to see the buggy TSC detector detect, and the work-around work.

hm.

John, does this mean that enable-tsc-for-amd-geode-gx-lx.patch is only safe
to merge after all your time-management patches have gone in?