TPTE at 0xbfca1000 IS ZERO @ VA 28400000
panic: bad pte
cpuid = 0
KDB: stack backtrace:
#0 0xc0af6f12 at kdb_backtrace+0x52
#1 0xc0abce21 at panic+0x121
#2 0xc0f92685 at pmap_remove_pages+0x555
#3 0xc0d4f0b4 at vmspace_exit+0x94
#4 0xc0a85f1a at exit1+0x84a
#5 0xc0a856cd at sys_sys_exit+0x1d
#6 0xc0f97929 at syscall+0x479
#7 0xc0f80771 at Xint0x80_syscall+0x21
Most people who report this panic have hardware problems such as flaky memory.
For bugs matching the following conditions:
- Status == In Progress
- Assignee == "bugs@FreeBSD.org"
- Last Modified Year <= 2017
- Set Status to "Open"
The PTE code has changed drastically since this was reported, and it was likely a hardware fault in the first place.
Closing unless we get more information.