cvs commit: src/sys/dev/syscons scmouse.c scvesactl.c scvgarndr.c scvidctl.c syscons.c syscons.h src/usr.sbin/vidcontrol vidcontrol.1 vidcontrol.c

[Peter Wemm]

On Sunday 29 May 2005 01:43 am, Xin LI wrote:
> delphij     2005-05-29 08:43:44 UTC
>
>   FreeBSD src repository
>
>   Modified files:
>     sys/dev/syscons      scmouse.c scvesactl.c scvgarndr.c
>                          scvidctl.c syscons.c syscons.h
>     usr.sbin/vidcontrol  vidcontrol.1 vidcontrol.c
>   Log:
>   Add VESA mode support for syscons, which enables the support of 15,
> 16, 24, and 32 bit modes.  To use that, syscons(4) must be built with
> the compile time option 'options SC_PIXEL_MODE', and VESA support
> (a.k.a. vesa.ko) must be either loaded, or be compiled into the
> kernel.

My AMD64 boxes are exploding with this:

[...]
Local package initialization:.
Additional TCP options:.

Fri Jun  3 00:06:29 PDT 2005


Fatal trap 1: privileged instruction fault while in kernel mode
cpuid = 3; apic id = 03
instruction pointer     = 0x8:0xffffffff803828e6
stack pointer           = 0x10:0xffffffffb19f8530
frame pointer           = 0x10:0xffffffffb19f85f0
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 1 (init)
[thread pid 1 tid 100004 ]
Stopped at      sc_term_remove+0x6:     aas             
db> trace
Tracing pid 1 tid 100004 td 0xffffff007ba294c0
sc_term_remove() at sc_term_remove+0x6
sc_init_emulator() at sc_init_emulator+0x1b1
alloc_scp() at alloc_scp+0x60
scopen() at scopen+0x179
devfs_open() at devfs_open+0x249
VOP_OPEN_APV() at VOP_OPEN_APV+0xb1
vn_open_cred() at vn_open_cred+0x477
vn_open() at vn_open+0x17
kern_open() at kern_open+0xe6
open() at open+0x28
syscall() at syscall+0x332
Xfast_syscall() at Xfast_syscall+0xa8
--- syscall (5, FreeBSD ELF64, open), rip = 0x40b14c, rsp = 0x7fffffffece8, rbp = 0x3 ---

Is anybody else seeing this sort of thing?

(The trap suggests a jump through an invalid pointer or something,
 "aas" is a 32-bit only instruction and is illegal in 64 bit mode.)
-- 
Peter Wemm - peter at wemm.org; peter at FreeBSD.org; peter at yahoo-inc.com
"All of this is for nothing if we don't go to the stars" - JMS/B5