Date: Thu, 16 Dec 1999 22:33:55 -0500 (EST) From: Colin <cwass99@home.com> To: freebsd-qa@FreeBSD.ORG Subject: Kernel Panic when VESA support compiled in Message-ID: <XFMail.19991216223355.cwass99@home.com>
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I compiled in VESA support to use a better splash.bmp, and imagine my
surprise when I saw a kernel panic. The applicable information is as follows:
changing root device to wd0s1a
Fatal trap 18: integer divide fault while in kernel mode
*
*
*
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL=8
current process = 5(init)
interupt mask = net tty bio cam
trap number = 18
panic: integer divide fault
uname -a
**************************************************************************
FreeBSD tristan.net 3.4-RC FreeBSD 3.4-RC #3: Thu Dec 16 21:47:26 EST 1999
root@tristan.net:/usr/src/sys/compile/MARVIN i386
dmesg
******************************************************************************
FreeBSD 3.4-RC #3: Thu Dec 16 21:47:26 EST 1999
root@tristan.net:/usr/src/sys/compile/MARVIN
Timecounter "i8254" frequency 1193182 Hz
Timecounter "TSC" frequency 116611094 Hz
CPU: AMD-K5(tm) Processor (116.61-MHz 586-class CPU)
Origin = "AuthenticAMD" Id = 0x524 Stepping = 4
Features=0x21bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8,PGE>
AMD Features=0x0
real memory = 67108864 (65536K bytes)
avail memory = 62480384 (61016K bytes)
Preloaded elf kernel "kernel" at 0xc02a7000.
Preloaded elf module "splash_bmp.ko" at 0xc02a709c.
Preloaded splash_image_data "/boot/splash.bmp" at 0xc02a7140.
Probing for devices on PCI bus 0:
chip0: <Intel 82437VX PCI cache memory controller> rev 0x02 on pci0.0.0
chip1: <Intel 82371SB PCI to ISA bridge> rev 0x01 on pci0.7.0
ide_pci0: <Intel PIIX3 Bus-master IDE controller> rev 0x00 on pci0.7.1
ed1: <NE2000 PCI Ethernet (RealTek 8029)> rev 0x00 int a irq 11 on pci0.10.0
ed1: address 00:00:b4:59:37:bd, type NE2000 (16 bit)
vga0: <ATI Mach64-VT graphics accelerator> rev 0x48 on pci0.11.0
Probing for PnP devices:
CSN 1 Vendor ID: CTL0070 [0x70008c0e] Serial 0xffffffff Comp ID: PNPb02f
[0x2fb0d041]
Probing for devices on the ISA bus:
...etc...
(only my 2 IDE disk drives found from here)
The most important bit is that the video card is a Mach 64-VT, 2 Meg RAM,
and this happens with 320X200 and 640X480 bitmaps for the splash. To
confirm, I rebuilt my kernel without the 2 lines:
#options "VM86"
#options "VESA"
(no other changes) and the panic stopped, but the splash works great. Tried
rebooting from the previos kernel (as kernel.old...sometimes it's good to keep
a known problem kernel ;)), it didn't load the splash but it still panicked.
I don't see this as a release stopper, but it's a problem. Are there any
known problems with Mach 64's? Or VESA support in general?
Let me know if any further information would help. I plan to root through
the source for VESA support over the next day or so, maybe I can see something.
Cheers,
Colin
----------------------------------
E-Mail: Colin <cwass99@home.com>
Date: 16-Dec-1999
Time: 22:09:18
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