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| author | obrien <obrien@FreeBSD.org> | 2004-06-24 02:57:11 +0000 |
|---|---|---|
| committer | obrien <obrien@FreeBSD.org> | 2004-06-24 02:57:11 +0000 |
| commit | 58e58438be556dbc83352153560dcafcd72c65c0 (patch) | |
| tree | 76bb7d8802bc7656b088251222a80b55f2038926 /sys/sparc64/conf | |
| parent | 7e172b8cb66238e8e80711237db946fabf250107 (diff) | |
| download | FreeBSD-src-58e58438be556dbc83352153560dcafcd72c65c0.zip FreeBSD-src-58e58438be556dbc83352153560dcafcd72c65c0.tar.gz | |
Better OFW console support on Sun Ultra2 machines.
Ultra2 users may want to set OFWCONS_POLL_HZ to a value of '20'.
I have left default value at '4' as higher values can consume a more
than is acceptable amount of CPU, and we don't have a consensus yet
what is an optimal value.
Submitted by: Pyun YongHyeon <yongari@kt-is.co.kr>
Diffstat (limited to 'sys/sparc64/conf')
| -rw-r--r-- | sys/sparc64/conf/NOTES | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/sparc64/conf/NOTES b/sys/sparc64/conf/NOTES index d4e00fb..4edc15f 100644 --- a/sys/sparc64/conf/NOTES +++ b/sys/sparc64/conf/NOTES @@ -50,6 +50,8 @@ device "mk48txx" # Mostek MK48T02, MK48T08, MK48T59 clock device sab # Siemens SAB82532 based serial ports device zs # Zilog 8530 based serial ports +option OFWCONS_POLL_HZ=4 # 20 or more works best on Ultra2 + ##################################################################### # Devices we don't want to deal with |
