as you might guess, I've encountered some strange error
here. I'm using an internal ISDN adapter (I'll tell more about
it below) to connect to my ISP. Everything works fine, until
I'm dialing out... As long as I'm not connected (i.e. during
dialing and negotiating) I'm getting lots of these kernel
messages in my syslog:
... kernel: Uhhuh. NMI received. Dazed and confused, but trying to continue
... kernel: You probably have a hardware problem with your RAM chips or a
... kernel: power saving mode enabled.
(huh, I'm dazed and confused, too ;))
When I'm connected (TCP/IP over syncPPP) these messages stop,
when I hangup, some more of them are issued again, after that
everything is fine again.
Everything ? No. From time to time it happens that I cannot
login anymore on my box (neither user nor root), this means, I'm asked
for the password and after that the cursor just performs
a <CR>+<LF> (no prompt and the shell doesn't work until I
press Ctrl-C = issue SIGHUP).
But even worse, I can't unmount any part of my filesystem
anymore then (device busy), even if I issue a halt or reboot
(I'm opening a root shell on tty2 before the first dial-out
because of the above problems).
This means I have to run e2fsck on the next boot up and this
is the worst thing...
This _can't_ be due to a certain ISDN adapter, since a
non-PnP AVM A1 (Fritz!Classic) shows the same effect.
Ok, let's come to technicals for now:
Mainboard Gigabyte GA-586SG
Chipset SiS 5591 (PCI to Host)
SiS 5595 (ISA to PCI)
2xISA, 4xPCI, 1xAGP
4xPS/2, 2xDIMM
CPU AMD K6-300
Memory 4x32MB EDO-DRAM (PS/2)
ISA Soundblaster AWE64 Gold (PnP)
ELSA Quickstep 1000 (PnP)
PCI Millennium II, 8MB
Realtek 8029 (Ethernet)
Monster 3D
NCR-810 compatible FastSCSI ad.
Storage 1xQuantum Fireball HD, 4.3GB EIDE
1xToshiba 6102-B, CD-ROM, SCSI
(conventional 1.44MB floppy drive)
OS Linux 2.0.34
Contents of /proc/pci:
PCI devices found:
Bus 0, device 15, function 0:
Multimedia video controller: 3Dfx Voodoo (rev 2).
Fast devsel. Fast back-to-back capable. IRQ 255.
Prefetchable 32 bit memory at 0xe8000000.
Bus 0, device 13, function 0:
Ethernet controller: Realtek 8029 (rev 0).
Medium devsel. IRQ 9.
I/O at 0xe400.
Bus 0, device 11, function 0:
SCSI storage controller: NCR 53c810 (rev 18).
Medium devsel. IRQ 12. Master Capable. Latency=64. Min Gnt=8.Max
Lat=64.
I/O at 0xe000.
Non-prefetchable 32 bit memory at 0xe9000000.
Bus 0, device 9, function 0:
VGA compatible controller: Matrox Millennium II (rev 0).
Medium devsel. Fast back-to-back capable. IRQ 11. Master Capable.
Latency=64.
Prefetchable 32 bit memory at 0xe4000000.
Non-prefetchable 32 bit memory at 0xe5000000.
Non-prefetchable 32 bit memory at 0xe6000000.
Bus 0, device 2, function 0:
PCI bridge: Silicon Integrated Systems 5591/5592 AGP (rev 0).
Fast devsel. Master Capable. No bursts. Min Gnt=2.
Bus 0, device 1, function 1:
Unknown class: Silicon Integrated Systems ACPI (rev 0).
Medium devsel.
Bus 0, device 1, function 0:
ISA bridge: Silicon Integrated Systems 85C503 (rev 1).
Medium devsel. Master Capable. No bursts.
Bus 0, device 0, function 1:
IDE interface: Silicon Integrated Systems 85C5513 (rev 208).
Fast devsel. IRQ 14. Master Capable. Latency=64.
I/O at 0x1f0.
I/O at 0x3f4.
I/O at 0x170.
I/O at 0x374.
I/O at 0x4000.
Bus 0, device 0, function 0:
Host bridge: Silicon Integrated Systems 5591/5592 Host (rev 2).
Medium devsel. Master Capable. Latency=64.
Non-prefetchable 32 bit memory at 0xe0000000.
Contents of /proc/interrupts:
0: 907056 timer
1: 9355 keyboard
2: 0 cascade
4: 62571 + serial
5: 1662 sound blaster
10: 1141310 HiSax
12: 11 + 53c7,8xx
13: 0 math error
14: 64790 + ide0
Contents of /proc/ioports:
0000-001f : dma1
0020-003f : pic1
0040-005f : timer
0060-006f : keyboard
0080-009f : dma page reg
00a0-00bf : pic2
00c0-00df : dma2
00f0-00ff : npu
0160-0167 : elsa isdn
01f0-01f7 : ide0
0201-0201 : joystick
0220-022f : sound blaster
02f8-02ff : serial(auto)
0300-0303 : SB MIDI
0378-037f : lp
0388-038b : OPL3/OPL2
03c0-03df : vga+
03f0-03f5 : floppy
03f6-03f6 : ide0
03f7-03f7 : floppy DIR
03f8-03ff : serial(auto)
0620-0623 : sound driver (AWE32)
0a20-0a23 : sound driver (AWE32)
0e20-0e23 : sound driver (AWE32)
e000-e07f : ncr53c7,8xx
Ok, I can't think of any more useful information right now,
but if you need anything more to get to the core of this,
please let me know :-)
cu
Thorsten
===========================================================
Thorsten Westheider / / (_)__ __ ____ __
Im Schlingen 15 / /__/ / _ \/ // /\ \/ /
32120 Hiddenhausen -- Germany /____/_/_//_/\_,_/ /_/\_\
2.0.34
http://www.physik.uni-bielefeld.de/~twesthei
mailto:twesthei@phya1.physik.uni-bielefeld.de
===========================================================
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