Date: Fri, 3 Jan 1997 20:03:20 -0800 (PST) From: brian@mediacity.com To: freebsd-questions@FreeBSD.ORG Subject: laptop and freebsd -current hang , how to debug Message-ID: <19970104040320.24961.qmail@mpress.com>
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I and a number of others have laptops on which FreeBSD-current
locks up shortly after the end of the kernel device listing.
I have in fact gotten past the filesystem clean checks, but most
of the time it dies (locks up solid) before those messages show
up.
The laptops, which are various models, do not lock up on
2.1.6, 2.1.5, or -current from about 6 months ago.
I would appreciate any pointers on how I might go about trying
to track down this problem.
I've down the simple things like disabling all the unused device
drivers.
here is my dmesg log from a 2.1.6.1 boot:
FreeBSD 2.1.6.1-RELEASE #2: Wed Jan 1 01:04:39 PST 1997
brian@admin.mediacity.com:/usx/src/sys-stable-UP/compile/TOP
CPU: 198-MHz Pentium 735\\90 or 815\\100 (Pentium-class CPU)
Origin = "GenuineIntel" Id = 0x52c Stepping=12
Features=0x1bf<FPU,VME,DE,PSE,TSC,MSR,MCE,CX8>
real memory = 33554432 (32768K bytes)
avail memory = 30625792 (29908K bytes)
Probing for devices on PCI bus 0:
chip0 <generic PCI bridge (vendor=%04x device=%04x subclass=%1.2d)> rev 20 on pc
i0:0
chip1 <generic PCI bridge (vendor=%04x device=%04x subclass=%1.2d)> rev 2 on pci
0:1
vga0 <VGA-compatible display device> rev 198 on pci0:6
chip2 <generic PCI bridge (vendor=%04x device=%04x subclass=%1.2d)> rev 4 int a
irq ?? on pci0:7:0
chip3 <generic PCI bridge (vendor=%04x device=%04x subclass=%1.2d)> rev 4 int b
irq ?? on pci0:7:1
pci0:20: OPTI, device=0xc621, class=storage (ide) [no driver assigned]
Probing for devices on the ISA bus:
sc0 at 0x60-0x6f irq 1 on motherboard
sc0: VGA color <16 virtual consoles, flags=0x0>
ed0 not found at 0x280
ed1 at 0x300-0x31f irq 10 on isa
sio0 at 0x3f8-0x3ff irq 4 on isa
sio0: type 16550A
sio1 at 0x2f8-0x2ff irq 3 on isa
sio1: type 16550A
sio2 at 0x3e8-0x3ef irq 11 on isa
sio2: type 16550A
sio3: disabled, not probed.
lpt0 at 0x378-0x37f irq 7 on isa
lpt0: Interrupt-driven port
lp0: TCP/IP capable interface
mse0 not found at 0x23c
psm0 at 0x60-0x63 irq 12 on motherboard
fdc0 at 0x3f0-0x3f7 irq 6 drq 2 on isa
fdc0: NEC 72065B
fd0: 1.44MB 3.5in
wdc0 at 0x1f0-0x1f7 irq 14 on isa
wdc0: unit 0 (wd0): <TOSHIBA MK1002MAV>
wd0: 1033MB (2116800 sectors), 2100 cyls, 16 heads, 63 S/T, 512 B/S
aha0 not found at 0x330
npx0 on motherboard
npx0: INT 16 interface
sb0 at 0x220 irq 5 drq 1 on isa
--
Brian Litzinger
brian@mpress.com
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