Re: 6.4 RC1 locks up solid on first reboot

| By Jeremy Chadwick <koitsu@xxxxxxxxxxx>
| [ 2008-10-25 03:22 +0200 ]
FWIW, I've had problems with 7.0's boot loader locking up too. I'm running
a -stable compile from march and during bootup, if I make too many
keypresses the bootup sequence freezes. Once loader has handed off to the
kernel then everything's fine, but I can't make any use of loader's or
bootX's command lines without the system freezing. I'm careful not to touch
my keyboard during bootup!

Keyboard and mouse are both USB.

There are known problems with some BIOSes and "USB Legacy" support.
Said BIOS option allows a USB keyboard and mouse to be emulated as PS/2
for operating systems which lack a USB stack, such as MS-DOS -- and more
importantly, bootloaders! The FreeBSD bootloader only understands
AT/PS2 keyboards, which is why that BIOS option is needed.

Can you confirm this problem happens when using a PS/2 keyboard?

Unfortunately, no luck. I've just tried:

* USB and PS/2 keyboards both plugged in, enough key input on the PS/2
keyboard causes a freeze

* Just the PS/2 keyboard plugged in, no different.

* Just the PS/2 keyboard plugged in, and USB legacy disabled in the BIOS.
Same.

Is it possible that excessive build optimisations could lead to this? Last
time I rebuilt I did so with '-O2 -fno-strict-aliasing' and -march in
make.conf. I've been meaning to try with a rebuilt loader with no
optimisations...


P.S. -- Why are you slamming keys during the bootup sequence? :-)

It's my workstation and I'm usually impatient to get through the bootup
sequence quickly. :)


Regards,
Aragon
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