On 2018-11-12 22:51, Philip Guenther wrote:
On Mon, 12 Nov 2018, Adam Thompson wrote:
Dell Latitude E6440. Boots 6.4-RELEASE OK with SP kernel, but reboots
almost instantly with MP kernel - no console output can be seen, and
the
laptop does not have an onboard serial port. (The serial ports Have
not
tried -snapshot yet. X doesn't work yet, but haven't tried anything
yet
either. OpenBSD boot+root on a USB flash device, which shouldn't make
any difference other than being slow...? -Adam
How instantly is instantly? Can you record video of the boot sequence
with bsd.mp with a phone or similar and step through the frames to see
what the last output displayed before reboot is?
Philip Guenther
Still using 6.4-RELEASE on a USB stick, I recorded the boot sequence.
I see (re-typed):
booting hd0a:/bsd 10499847+2540552+270368+0+675840=0xd593c0
that scrolls up one line, it gets partially duplicated on the next line
(although that might be aliasing in the video? dunno), and the laptop
*instantly* reboots. No further text appears on screen, the LCD
backlight turns off,
I had a Dell PowerEdge 2900 server once that did this, and I narrowed it
down to a change in the kernel somewhere in the mid-4.x era, but it's
not the exact same problem, as this laptop boots the SP kernel just
fine.
I'm not actually planning on running OpenBSD on this laptop right now
(it's my daily driver Windows machine), so it's not critical, but E6440s
are pretty common workhorses, especially in the refurb market right now.
The laptop I'll actually be using is either an E6410 or an E6430
depending in which one I can free up first...
(It just occurred to me that I haven't tried a "boot -c" yet... I'll try
that this afternoon.)
Should I try -CURRENT next, or something older, or is there anything
else I should attempt?
Thanks,
-Adam
