Re: port-amd64/56815: Lenovo ThinkCentre with i915drmkms graphics fails to boot -current

[Taylor R Campbell <riastradh%NetBSD.org@localhost>]

The following reply was made to PR port-amd64/56815; it has been noted by GNATS.

From: Taylor R Campbell <riastradh%NetBSD.org@localhost>
To: Jarle Greipsland <jarle.greipsland%norid.no@localhost>
Cc: gnats-bugs%NetBSD.org@localhost
Subject: Re: port-amd64/56815: Lenovo ThinkCentre with i915drmkms graphics
	fails to boot -current
Date: Tue, 11 Jul 2023 11:12:53 +0000

 > Date: Tue, 11 Jul 2023 12:56:48 +0200 (CEST)
 > From: Jarle Greipsland <jarle.greipsland%norid.no@localhost>
 > 
 > A -current kernel as of today (GENERIC plus the above options
 > plus DDB_ONPANIC=1) goes black and unresponsive as before, but
 > now produces a crash dump!  The dmesg output from the dump and a
 > ps listing from ditto below.  I also tried a bt/a command on the
 > only non-idle running process, but the frame pointer might be
 > mangled, or the crash program in question might not handle a
 > newer crash dump correctly.  Let me know what you want me to look
 > for.
 
 Excellent!  Can you see if gdb does better about a stack trace?
 
 $ gdb netbsd.gdb
 (gdb) target kvm netbsd.1.core
 (gdb) bt
 
 Also, can you try with a newer crash?