Date: Mon, 26 Nov 2001 17:35:44 +1100 From: Peter Jeremy <peter.jeremy@alcatel.com.au> To: freebsd-current@freebsd.org Subject: Panic changing screen mode with vidcontrol Message-ID: <20011126173543.A7551@gsmx07.alcatel.com.au>
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Having installed a new kernel and userland from sources about a day
old, my vidcontrol command now causes a panic:
Fatal trap 12: page fault while in vm86 mode
fault virtual address = 0xc359b
fault code = user read, page not present
instruction pointer = 0xc000:0x359b
stack pointer = 0x0:0xf82
frame pointer = 0x0:0xfdc
code segment = base 0x20000, limit 0x5004f, type 0x0
= DPL 0, pres 0, def32 0, gran 0
processor eflags = interrupt enabled, resume, vm86, IOPL = 0
current process = 57775 (vidcontrol)
The backtrace shows nothing useful - gdb doesn't seem to handle
tracing through vm86 :-(.
The command I used was "vidcontrol 132x60" after confirming that
this was listed in "vidcontrol -i mode". I have previously been
using VESA_132x60, but that also panics now.
Any suggestions where to look?
Peter
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