Re: kern/52937: NetBSD 8.0_BETA panics in pmap_remove_pte

[Alexander Nasonov <alnsn%yandex.ru@localhost>]

Alexander Nasonov wrote:
> This time it crashed differently:
> 
> panic: pmap_remove_pte: PG_PVLIST with pv-untracked page va = 0x7f7eba200000 pa = 0xffe8dea6c0000 (0xffe8dea6c0)

It crashed again:

panic: kernel diagnostic assertion "(pte & PG_G) == 0 || pm == pmap_kernel()" failed: file "/path/to/src/sys/arch/x86/x86/pmap_tlb.c", line 229
WARNING: SPL NOT LOWERED ON TRAP EXIT 7 0
cpu7: Begin traceback...

vpanic() at netbsd:vpanic+0x140
ch_voltag_convert_in() at netbsd:ch_voltag_convert_in
pmap_tlb_shootdown() at netbsd:pmap_tlb_shootdown+0x51
pmap_remove_pte() at netbsd:pmap_remove_pte+0x212
pmap_remove() at netbsd:pmap_remove+0x23d
uvm_unmap_remove() at netbsd:uvm_unmap_remove+0x207
uvmspace_free() at netbsd:uvmspace_free+0xe4
exit1() at netbsd:exit1+0x1a0
sigexit() at netbsd:sigexit+0x15a
sendsig() at netbsd:sendsig
lwp_userret() at netbsd:lwp_userret+0x1be
trap() at netbsd:trap+0x926
--- trap (number 3) ---
cpu7: End traceback...

dumping to dev 20,1 (offset=327, size=8272343):
dump device not ready

Alex