port-amd64/44627: genfb(4) panic at shutdown

[Jukka Ruohonen <jruohonen%iki.fi@localhost>]

>Number:         44627
>Category:       port-amd64
>Synopsis:       genfb(4) panic at shutdown
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    port-amd64-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Wed Feb 23 07:05:00 +0000 2011
>Originator:     Jukka Ruohonen
>Release:        5.99.46
>Organization:
-
>Environment:
>Description:

A reproducable genfb(4) related panic in HEAD:

syscall() at netbsd:syscall+0xaa
sys_reboot() at netbsd:sys_reboot+0x73
cpu_reboot() at netbsd:cpu_reboot+0x2f
pmf_system_shutdown() at netbsd:device_pmf_driver_shutdown+0x12
pci_genfb_shutdown() at netbsd:pci_genfb_shutdown+0x9
genfb_enable_polling() at netbsd:genfb_enable_polling+0x24
vcons_hard_switch() at netbsd:vcons_hard_switch+0xb
Stopped in pid 21146.1 (reboot) at netbsd vcons_hard_switch+0xb:
movq 0 xc0(%rdx), %rax

>How-To-Repeat:

Just shutdown.

>Fix:

Unknown.