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Date: Sun, 29 Jul 2001 14:34:01 -0400
To: linux-kernel@vger.kernel.org
Subject: PROBLEM: Random (hard) lockups
Message-ID: <20010729143401.A527@debian.org>
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From: "James A. Treacy" <treacy@home.net>
Sender: linux-kernel-owner@vger.kernel.org
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Original-Recipient: rfc822;linux-kernel-outgoing

At random times this brand new machine locks up hard (so nothing to
report from Sys Rq). This happens with all recent 2.4.x kernels, 2.2.17
and 2.2.19. Some kernels seem to be worse than others as I can often work
for 30 minutes or more on 2.4.6 without a lockup. 2.4.7 generally locks
up within a few minutes. The only way I have been able to reliably
force a lockup is to use lots of memory (doesn't have to start swapping)
and push the machine hard (say, by a kernel compile). Compiling a kernel
on an otherwise unloaded machine will not cause a lockup.

The memory has been tested by running memtest86 overnight.
The machine runs cpuburn (burnK7) without a problem.

The machine is a 1GHz Athlon (266) on an MSI K7T Turbo with 256M ram,
a GeForce2 MX-400 and a Maxtor 5T020H2 (Diamond MaxPlus 20G).
The only other devices are a DVD and 2 ethernet cards (tulip and
8139TOO), although I temporarily have an old QUANTUM SIROCCO1700A hard
drive in the machine.

As I'd like to make this my main machine, I am willing to put some
time into tracking down the problem, but need pointers on where to
begin.


bash$ sh scripts/ver_linux
Linux horta 2.4.6 #5 Mon Jul 23 16:47:46 EDT 2001 i686 unknown
 
Gnu C                  2.95.4
Gnu make               3.79.1
binutils               2.11.90.0.24
util-linux             2.11g
mount                  2.11g
modutils               2.4.6
e2fsprogs              1.22
Linux C Library        2.2.3
Dynamic linker (ldd)   2.2.3
Procps                 2.0.7
Net-tools              1.60
Console-tools          0.2.3
Sh-utils               2.0.11
Modules Loaded         parport_pc lp parport ppp_deflate bsd_comp
ipt_MASQUERADE ppp_async ip_nat_ftp iptable_nat ip_conntrack
iptable_filter ip_tables ppp_generic slhc

bash$ cat /proc/cpuinfo
processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 6
model           : 4
model name      : AMD Athlon(tm) Processor
stepping        : 2
cpu MHz         : 996.041
cache size      : 256 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca
cmov pat pse36 mmx fxsr syscall mmxext 3dnowext 3dnow
bogomips        : 1985.74

bash$ cat /proc/modules 
parport_pc             13616   1 (autoclean)
lp                      5328   0 (autoclean)
parport                13952   1 (autoclean) [parport_pc lp]
ppp_deflate            39648   0 (autoclean)
bsd_comp                4256   0 (autoclean)
ipt_MASQUERADE          1520   1
ppp_async               6480   1 (autoclean)
ip_nat_ftp              3360   0 (unused)
iptable_nat            15376   1 [ipt_MASQUERADE ip_nat_ftp]
ip_conntrack           14672   1 [ipt_MASQUERADE ip_nat_ftp
iptable_nat]
iptable_filter          2080   0 (unused)
ip_tables              10656   5 [ipt_MASQUERADE iptable_nat
iptable_filter]
ppp_generic            14336   3 (autoclean) [ppp_deflate bsd_comp
ppp_async]
slhc                    4832   1 (autoclean) [ppp_generic]

bash$ cat /proc/ioports 
0000-001f : dma1
0020-003f : pic1
0040-005f : timer
0060-006f : keyboard
0080-008f : dma page reg
00a0-00bf : pic2
00c0-00df : dma2
00f0-00ff : fpu
0170-0177 : ide1
01f0-01f7 : ide0
02f8-02ff : serial(set)
0376-0376 : ide1
0378-037a : parport0
03c0-03df : vga+
03f6-03f6 : ide0
03f8-03ff : serial(set)
0cf8-0cff : PCI conf1
5000-500f : VIA Technologies, Inc. VT82C686 [Apollo Super ACPI]
6000-607f : VIA Technologies, Inc. VT82C686 [Apollo Super ACPI]
d000-d00f : VIA Technologies, Inc. Bus Master IDE
  d000-d007 : ide0
  d008-d00f : ide1
d400-d41f : VIA Technologies, Inc. UHCI USB
d800-d81f : VIA Technologies, Inc. UHCI USB (#2)
dc00-dcff : Macronix, Inc. [MXIC] MX987x5
  dc00-dcff : tulip
e000-e0ff : Realtek Semiconductor Co., Ltd. RTL-8139
  e000-e0ff : 8139too

bash$ cat /proc/iomem 
00000000-0009fbff : System RAM
0009fc00-0009ffff : reserved
000a0000-000bffff : Video RAM area
000c0000-000c7fff : Video ROM
000f0000-000fffff : System ROM
00100000-0fffffff : System RAM
  00100000-001c34c9 : Kernel code
  001c34ca-00206a1f : Kernel data
d0000000-d7ffffff : PCI Bus #01
  d0000000-d7ffffff : nVidia Corporation NV11
d8000000-dbffffff : VIA Technologies, Inc. VT8363/8365 [KT133/KM133]
dc000000-ddffffff : PCI Bus #01
  dc000000-dcffffff : nVidia Corporation NV11
df000000-df0000ff : Macronix, Inc. [MXIC] MX987x5
  df000000-df0000ff : tulip
df001000-df0010ff : Realtek Semiconductor Co., Ltd. RTL-8139
  df001000-df0010ff : 8139too
ffff0000-ffffffff : reserved

lspci -vvv
00:00.0 Host bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133] (rev 03)
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
	Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ >SERR- <PERR+
	Latency: 8
	Region 0: Memory at d8000000 (32-bit, prefetchable) [size=64M]
	Capabilities: [a0] AGP version 2.0
		Status: RQ=31 SBA+ 64bit- FW- Rate=x1,x2
		Command: RQ=0 SBA- AGP- 64bit- FW- Rate=<none>
	Capabilities: [c0] Power Management version 2
		Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:01.0 PCI bridge: VIA Technologies, Inc. VT8363/8365 [KT133/KM133 AGP] (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
	Status: Cap+ 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ >SERR- <PERR-
	Latency: 0
	Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
	I/O behind bridge: 0000f000-00000fff
	Memory behind bridge: dc000000-ddffffff
	Prefetchable memory behind bridge: d0000000-d7ffffff
	BridgeCtl: Parity- SERR- NoISA+ VGA+ MAbort- >Reset- FastB2B-
	Capabilities: [80] Power Management version 2
		Flags: PMEClk- DSI- D1+ D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:07.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South] (rev 40)
	Subsystem: VIA Technologies, Inc. VT82C686/A PCI to ISA Bridge
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping+ SERR- FastB2B-
	Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
	Latency: 0
	Capabilities: [c0] Power Management version 2
		Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:07.1 IDE interface: VIA Technologies, Inc. Bus Master IDE (rev 06) (prog-if 8a [Master SecP PriP])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
	Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
	Latency: 32
	Region 4: I/O ports at d000 [size=16]
	Capabilities: [c0] Power Management version 2
		Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:07.2 USB Controller: VIA Technologies, Inc. UHCI USB (rev 16) (prog-if 00 [UHCI])
	Subsystem: Unknown device 0925:1234
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
	Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
	Latency: 32, cache line size 08
	Interrupt: pin D routed to IRQ 5
	Region 4: I/O ports at d400 [size=32]
	Capabilities: [80] Power Management version 2
		Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:07.3 USB Controller: VIA Technologies, Inc. UHCI USB (rev 16) (prog-if 00 [UHCI])
	Subsystem: Unknown device 0925:1234
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
	Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
	Latency: 32, cache line size 08
	Interrupt: pin D routed to IRQ 5
	Region 4: I/O ports at d800 [size=32]
	Capabilities: [80] Power Management version 2
		Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:07.4 Host bridge: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI] (rev 40)
	Control: I/O- Mem- BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
	Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
	Capabilities: [68] Power Management version 2
		Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 PME-Enable- DSel=0 DScale=0 PME-

00:09.0 Ethernet controller: Macronix, Inc. [MXIC] MX987x5 (rev 25)
	Subsystem: Unknown device 2078:0540
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping+ SERR- FastB2B-
	Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
	Latency: 32 (2000ns min, 14000ns max), cache line size 08
	Interrupt: pin A routed to IRQ 10
	Region 0: I/O ports at dc00 [size=256]
	Region 1: Memory at df000000 (32-bit, non-prefetchable) [size=256]
	Expansion ROM at <unassigned> [disabled] [size=256K]
	Capabilities: [44] Power Management version 1
		Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0-,D1+,D2+,D3hot+,D3cold+)
		Status: D0 PME-Enable+ DSel=0 DScale=0 PME-

00:0c.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139 (rev 10)
	Subsystem: Realtek Semiconductor Co., Ltd. RT8139
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
	Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
	Latency: 32 (8000ns min, 16000ns max)
	Interrupt: pin A routed to IRQ 11
	Region 0: I/O ports at e000 [size=256]
	Region 1: Memory at df001000 (32-bit, non-prefetchable) [size=256]
	Expansion ROM at <unassigned> [disabled] [size=64K]
	Capabilities: [50] Power Management version 2
		Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0-,D1+,D2+,D3hot+,D3cold-)
		Status: D0 PME-Enable+ DSel=0 DScale=0 PME-

01:00.0 VGA compatible controller: nVidia Corporation NV11 (rev b2) (prog-if 00 [VGA])
	Subsystem: Asustek Computer, Inc.: Unknown device 4031
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
	Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
	Latency: 32 (1250ns min, 250ns max)
	Interrupt: pin A routed to IRQ 5
	Region 0: Memory at dc000000 (32-bit, non-prefetchable) [size=16M]
	Region 1: Memory at d0000000 (32-bit, prefetchable) [size=128M]
	Expansion ROM at <unassigned> [disabled] [size=64K]
	Capabilities: [60] Power Management version 2
		Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)
		Status: D0 PME-Enable- DSel=0 DScale=0 PME-
	Capabilities: [44] AGP version 2.0
		Status: RQ=31 SBA- 64bit- FW+ Rate=x1,x2
		Command: RQ=0 SBA- AGP- 64bit- FW- Rate=<none>

-- 
James (Jay) Treacy
treacy@debian.org
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