Long delays for USB realbtx boot
Eugene Grosbein
eugen at kuzbass.ru
Thu Sep 11 16:30:01 UTC 2008
On Thu, Sep 11, 2008 at 01:55:01PM +0100, Bruce M Simpson wrote:
> I have hacked NanoBSD locally to deal with generation of images for
> booting off USB keys. I am using the RELENG_7 branch as real-mode BTX
> support is necessary to support USB boot.
>
> During testing I noticed that whilst the images eventually boot, there
> is an extremely long delay before doing so, between when the BIOS reads
> the boot sector and when the BTX loader messages appear.
>
> Test system Time
> ----------------------------
> Thinkpad T43 1m 40s
> ASUS Vintage AH-1 1m 7s
>
> Any ideas why this long delay is occuring?
For me, it helps to include these knobs to Nano config file:
CONF_WORLD='
BOOT_MBR_FLAGS=0x0
BOOT_BOOT1_FLAGS=0x0
...
'
Eugene Grosbein
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