Re: 6.4 RC1 locks up solid on first reboot

On Sat, Oct 25, 2008 at 02:37:50AM +0200, Aragon Gouveia wrote:
| By Jo Rhett <jrhett@xxxxxxxxxxxxxxxxx>
| [ 2008-10-24 21:13 +0200 ]
On Oct 22, 2008, at 9:27 PM, Milan Obuch wrote:
I did not investigate on this issue too much, but there is an
workaround -
copy older /boot/loader over newer one. In my case, I am rebuilding
whole
world often, and now /boot/loader seems to not build correctly for
me. Older
one is ~ 250 kB, rebuilt will be ~ 185 kB, and freezes.

6.4's boot loader is 221k
6.3's boot loader is 217k

Copying 6.3 boot loader to the 6.4 solved the keyboard lockup problem,
but it still panics during the boot. At last now I get the entire
panic to the serial console so I can cut/paste.

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?

If so, then the issue is probably in the bootstrap code somewhere.

If the problem goes away when using a PS/2 keyboard, then the problem
is either a BIOS bug (likely in this day and age), or a compatibility
issue with the model of USB keyboard you have (not all USB keyboards
are identical in behaviour).

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

--
| Jeremy Chadwick jdc at parodius.com |
| Parodius Networking http://www.parodius.com/ |
| UNIX Systems Administrator Mountain View, CA, USA |
| Making life hard for others since 1977. PGP: 4BD6C0CB |

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