Hi,
I get the following kernel hang repeatably when using 2.4.7-ac3. I can
repeat it by switching to virtual console 2 (or any other than 7) and
pressing caps lock once or twice. It occured because I confused my caps
lock with control. The keyboard becomes inoperative and when I try to ssh
into this machine from another machine, I got the following output. I had
to manually write it down as using klogd to write didn't help. If I wait
for a few minutes (during the process of writing it down), I get the same
call trace again. The Stack Dumps are different between different boots but
the call trace is the same. I use a USB keyboard and a USB mouse.
-kitty.
Linux version 2.4.7-ac3 (root@samba) (gcc version 2.95.3 20010315 (release)) #2 SMP Mon Jul 30 14:16:15 CDT 2001
Ksymoops yields the following:
ksymoops 2.4.0 on i686 2.4.7-ac3. Options used
-v /u/scratch/downloads/kernel/linux-2.4.7-ac3/vmlinux (specified)
-k /proc/ksyms (default)
-l /proc/modules (default)
-o /lib/modules/2.4.7-ac3/ (default)
-m /boot/System.map-2.4.7-ac3 (specified)
Warning (compare_maps): mismatch on symbol mga_res_ctx , mga says e095711c, /lib/modules/2.4.7-ac3/kernel/drivers/char/drm/mga.o says e095619c. Ignoring /lib/modules/2.4.7-ac3/kernel/drivers/char/drm/mga.o entry
Warning (compare_maps): mismatch on symbol nlmsvc_grace_period , lockd says e0910834, /lib/modules/2.4.7-ac3/kernel/fs/lockd/lockd.o says e090fca0. Ignoring /lib/modules/2.4.7-ac3/kernel/fs/lockd/lockd.o entry
Warning (compare_maps): mismatch on symbol nlmsvc_ops , lockd says e0910830, /lib/modules/2.4.7-ac3/kernel/fs/lockd/lockd.o says e090fc9c. Ignoring /lib/modules/2.4.7-ac3/kernel/fs/lockd/lockd.o entry
Warning (compare_maps): mismatch on symbol nlmsvc_timeout , lockd says e0910838, /lib/modules/2.4.7-ac3/kernel/fs/lockd/lockd.o says e090fca4. Ignoring /lib/modules/2.4.7-ac3/kernel/fs/lockd/lockd.o entry
Warning (compare_maps): mismatch on symbol nfs_debug , sunrpc says e0903cc0, /lib/modules/2.4.7-ac3/kernel/net/sunrpc/sunrpc.o says e0903980. Ignoring /lib/modules/2.4.7-ac3/kernel/net/sunrpc/sunrpc.o entry
Warning (compare_maps): mismatch on symbol nfsd_debug , sunrpc says e0903cc4, /lib/modules/2.4.7-ac3/kernel/net/sunrpc/sunrpc.o says e0903984. Ignoring /lib/modules/2.4.7-ac3/kernel/net/sunrpc/sunrpc.o entry
Warning (compare_maps): mismatch on symbol nlm_debug , sunrpc says e0903cc8, /lib/modules/2.4.7-ac3/kernel/net/sunrpc/sunrpc.o says e0903988. Ignoring /lib/modules/2.4.7-ac3/kernel/net/sunrpc/sunrpc.o entry
Warning (compare_maps): mismatch on symbol rpc_debug , sunrpc says e0903cbc, /lib/modules/2.4.7-ac3/kernel/net/sunrpc/sunrpc.o says e090397c. Ignoring /lib/modules/2.4.7-ac3/kernel/net/sunrpc/sunrpc.o entry
Warning (compare_maps): mismatch on symbol rpc_garbage_args , sunrpc says e0903c9c, /lib/modules/2.4.7-ac3/kernel/net/sunrpc/sunrpc.o says e090395c. Ignoring /lib/modules/2.4.7-ac3/kernel/net/sunrpc/sunrpc.o entry
Warning (compare_maps): mismatch on symbol rpc_success , sunrpc says e0903c8c, /lib/modules/2.4.7-ac3/kernel/net/sunrpc/sunrpc.o says e090394c. Ignoring /lib/modules/2.4.7-ac3/kernel/net/sunrpc/sunrpc.o entry
Warning (compare_maps): mismatch on symbol rpc_system_err , sunrpc says e0903ca0, /lib/modules/2.4.7-ac3/kernel/net/sunrpc/sunrpc.o says e0903960. Ignoring /lib/modules/2.4.7-ac3/kernel/net/sunrpc/sunrpc.o entry
Warning (compare_maps): mismatch on symbol xdr_one , sunrpc says e0903c84, /lib/modules/2.4.7-ac3/kernel/net/sunrpc/sunrpc.o says e0903944. Ignoring /lib/modules/2.4.7-ac3/kernel/net/sunrpc/sunrpc.o entry
Warning (compare_maps): mismatch on symbol xdr_two , sunrpc says e0903c88, /lib/modules/2.4.7-ac3/kernel/net/sunrpc/sunrpc.o says e0903948. Ignoring /lib/modules/2.4.7-ac3/kernel/net/sunrpc/sunrpc.o entry
Warning (compare_maps): mismatch on symbol xdr_zero , sunrpc says e0903c80, /lib/modules/2.4.7-ac3/kernel/net/sunrpc/sunrpc.o says e0903940. Ignoring /lib/modules/2.4.7-ac3/kernel/net/sunrpc/sunrpc.o entry
Warning (compare_maps): mismatch on symbol usb_devfs_handle , usbcore says e088e2c0, /lib/modules/2.4.7-ac3/kernel/drivers/usb/usbcore.o says e088dde0. Ignoring /lib/modules/2.4.7-ac3/kernel/drivers/usb/usbcore.o entry
wait_on_irq, CPU1:
irq: 1[1 0]
bh: 0[0 0]
Stack Dumps:
c01f2012 c26cf000 c02a7a70 cac91620 c01632e2 c26cf000 coa78000
c0163508 c26cf000 00000000 c26cf000 c369a000 c8156544 c015fc75
c26cf000 00000004 c02a64e0 c02a64e0
Call Trace: [<c010848d>] [<c01632e2>] [<c0163508>] [<c015fc75>] [<c016045b>]
[<c01338fd>] [<c013d797>] [<c0133b68>] [<c0132a21>] [<c013295a>]
[<c0132c5e>] [<c0106ccb>]
Warning (Oops_read): Code line not seen, dumping what data is available
Trace; c010848d <__global_cli+bd/124>
Trace; c01632e2 <n_tty_set_termios+6a/1d8>
Trace; c0163508 <n_tty_open+8c/a4>
Trace; c015fc75 <init_dev+2f5/420>
Trace; c016045b <tty_open+fb/36c>
Trace; c01338fd <get_chrfops+b1/150>
Trace; c013d797 <permission+7b/84>
Trace; c0133b68 <chrdev_open+64/8c>
Trace; c0132a21 <dentry_open+bd/13c>
Trace; c013295a <filp_open+52/5c>
Trace; c0132c5e <sys_open+36/cc>
Trace; c0106ccb <system_call+33/38>
16 warnings issued. Results may not be reliable.
Environment:
Linux samba 2.4.7-ac3 #2 SMP Mon Jul 30 14:16:15 CDT 2001 i686 unknown
Gnu C 2.96
Gnu make 3.79.1
binutils 2.11.90.0.23
util-linux 2.10s
mount 2.11b
modutils 2.4.2
e2fsprogs 1.19
Linux C Library 2.2.3
Dynamic linker (ldd) 2.2.3
Procps 2.0.7
Net-tools 1.57
Console-tools 0.3.3
Sh-utils 2.0
Modules Loaded emu10k1 soundcore mga agpgart nfs lockd sunrpc
autofs4 3c59x ipchains mousedev keybdev hid input usb-uhci usbcore
samba> cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 8
model name : Pentium III (Coppermine)
stepping : 6
cpu MHz : 930.970
cache size : 256 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse
bogomips : 1854.66
processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 8
model name : Pentium III (Coppermine)
stepping : 6
cpu MHz : 930.970
cache size : 256 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr sse
bogomips : 1861.22
samba> cat /proc/modules
emu10k1 47616 1 (autoclean)
soundcore 3856 4 (autoclean) [emu10k1]
mga 91696 1
agpgart 16576 3
nfs 72032 3 (autoclean)
lockd 48400 1 (autoclean) [nfs]
sunrpc 64720 1 (autoclean) [nfs lockd]
autofs4 8640 6 (autoclean)
3c59x 25504 1 (autoclean)
ipchains 31680 0 (unused)
mousedev 3904 1
keybdev 1600 0 (unused)
hid 12512 0 (unused)
input 3456 0 [mousedev keybdev hid]
usb-uhci 21664 0 (unused)
usbcore 49952 1 [hid usb-uhci]
samba> 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(auto)
0376-0376 : ide1
03c0-03df : vga+
03f6-03f6 : ide0
03f8-03ff : serial(auto)
0cf8-0cff : PCI conf1
dcd0-dcdf : Intel Corporation 82801AA SMBus
e000-efff : PCI Bus #02
ec00-ec7f : 3Com Corporation 3c905C-TX [Fast Etherlink]
ec00-ec7f : 02:0c.0
ecd8-ecdf : Creative Labs SB Live!
ece0-ecff : Creative Labs SB Live! EMU10000
ece0-ecff : EMU10K1
ff80-ff9f : Intel Corporation 82801AA USB
ff80-ff9f : usb-uhci
ffa0-ffaf : Intel Corporation 82801AA IDE
ffa0-ffa7 : ide0
ffa8-ffaf : ide1
samba> cat /proc/iomem
00000000-0009ffff : System RAM
000a0000-000bffff : Video RAM area
000c0000-000c7fff : Video ROM
000c8800-000cbfff : Extension ROM
000f0000-000fffff : System ROM
00100000-1ff9bfff : System RAM
00100000-001f0f61 : Kernel code
001f0f62-00234b7f : Kernel data
1ff9c000-1fffffff : reserved
f0000000-f3ffffff : Intel Corporation 82820 820 (Camino) Chipset Host Bridge (MCH)
f4000000-f5ffffff : PCI Bus #01
f4000000-f5ffffff : Matrox Graphics, Inc. MGA G400 AGP
fa000000-fbffffff : PCI Bus #02
fafffc00-fafffc7f : 3Com Corporation 3c905C-TX [Fast Etherlink]
fc000000-fdffffff : PCI Bus #01
fc000000-fc7fffff : Matrox Graphics, Inc. MGA G400 AGP
fcffc000-fcffffff : Matrox Graphics, Inc. MGA G400 AGP
fec00000-fec0ffff : reserved
fee00000-fee0ffff : reserved
ffb00000-ffffffff : reserved
samba> sudo lspci -vvv
00:00.0 Host bridge: Intel Corporation 82820 820 (Camino) Chipset Host Bridge (MCH) (rev 04)
Subsystem: Dell Computer Corporation: Unknown device 0095
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ >SERR- <PERR-
Latency: 0
Region 0: Memory at f0000000 (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>
00:01.0 PCI bridge: Intel Corporation 82820 820 (Camino) Chipset PCI to AGP Bridge (rev 04) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
Status: Cap- 66Mhz+ UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64
Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
I/O behind bridge: 0000f000-00000fff
Memory behind bridge: fc000000-fdffffff
Prefetchable memory behind bridge: f4000000-f5ffffff
BridgeCtl: Parity- SERR- NoISA+ VGA+ MAbort- >Reset- FastB2B-
00:1e.0 PCI bridge: Intel Corporation 82801AA PCI Bridge (rev 02) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Bus: primary=00, secondary=02, subordinate=02, sec-latency=64
I/O behind bridge: 0000e000-0000efff
Memory behind bridge: fa000000-fbffffff
Prefetchable memory behind bridge: fff00000-000fffff
BridgeCtl: Parity- SERR+ NoISA+ VGA- MAbort- >Reset- FastB2B-
00:1f.0 ISA bridge: Intel Corporation 82801AA ISA Bridge (LPC) (rev 02)
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
00:1f.1 IDE interface: Intel Corporation 82801AA IDE (rev 02) (prog-if 80 [Master])
Subsystem: Intel Corporation 82801AA IDE
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
Region 4: I/O ports at ffa0 [size=16]
00:1f.2 USB Controller: Intel Corporation 82801AA USB (rev 02) (prog-if 00 [UHCI])
Subsystem: Intel Corporation 82801AA USB
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
Interrupt: pin D routed to IRQ 19
Region 4: I/O ports at ff80 [size=32]
00:1f.3 SMBus: Intel Corporation 82801AA SMBus (rev 02)
Subsystem: Intel Corporation 82801AA SMBus
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-
Interrupt: pin B routed to IRQ 17
Region 4: I/O ports at dcd0 [size=16]
01:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP (rev 82) (prog-if 00 [VGA])
Subsystem: Matrox Graphics, Inc.: Unknown device 0641
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-
Interrupt: pin A routed to IRQ 16
Region 0: Memory at f4000000 (32-bit, prefetchable) [size=32M]
Region 1: Memory at fcffc000 (32-bit, non-prefetchable) [size=16K]
Region 2: Memory at fc000000 (32-bit, non-prefetchable) [size=8M]
Expansion ROM at 80000000 [disabled] [size=128K]
Capabilities: [dc] 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: [f0] AGP version 2.0
Status: RQ=31 SBA+ 64bit- FW- Rate=x1,x2
Command: RQ=31 SBA+ AGP+ 64bit- FW- Rate=<none>
02:0b.0 Multimedia audio controller: Creative Labs SB Live! EMU10000 (rev 05)
Subsystem: Creative Labs CT4790 SoundBlaster PCI512
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: 64 (500ns min, 5000ns max)
Interrupt: pin A routed to IRQ 16
Region 0: I/O ports at ece0 [size=32]
Capabilities: [dc] 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-
02:0b.1 Input device controller: Creative Labs SB Live! (rev 05)
Subsystem: Creative Labs Gameport Joystick
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: 64
Region 0: I/O ports at ecd8 [size=8]
Capabilities: [dc] 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-
02:0c.0 Ethernet controller: 3Com Corporation 3c905C-TX [Fast Etherlink] (rev 78)
Subsystem: Dell Computer Corporation: Unknown device 0095
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: 64 (2500ns min, 2500ns max), cache line size 08
Interrupt: pin A routed to IRQ 18
Region 0: I/O ports at ec00 [size=128]
Region 1: Memory at fafffc00 (32-bit, non-prefetchable) [size=128]
Expansion ROM at fb000000 [disabled] [size=128K]
Capabilities: [dc] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA PME(D0+,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=2 PME-
samba> cat /proc/bus/usb/devices
T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2
B: Alloc=222/900 us (25%), #Int= 3, #Iso= 0
D: Ver= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=0000 ProdID=0000 Rev= 0.00
S: Product=USB UHCI Root Hub
S: SerialNumber=ff80
C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=255ms
T: Bus=01 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=1.5 MxCh= 0
D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=045e ProdID=0039 Rev= 1.21
S: Manufacturer=Microsoft
S: Product=Microsoft IntelliMouse? Optical
C:* #Ifs= 1 Cfg#= 1 Atr=a0 MxPwr=100mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=01 Prot=02 Driver=hid
E: Ad=81(I) Atr=03(Int.) MxPS= 4 Ivl= 10ms
T: Bus=01 Lev=01 Prnt=01 Port=01 Cnt=02 Dev#= 3 Spd=12 MxCh= 4
D: Ver= 1.10 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=0451 ProdID=1446 Rev= 1.10
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr=100mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 1 Ivl=255ms
T: Bus=01 Lev=02 Prnt=03 Port=00 Cnt=01 Dev#= 4 Spd=1.5 MxCh= 0
D: Ver= 1.10 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=045e ProdID=001d Rev= 1.11
S: Product=Microsoft Natural Keyboard Pro
C:* #Ifs= 2 Cfg#= 1 Atr=a0 MxPwr=100mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=01 Prot=01 Driver=hid
E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl= 10ms
I: If#= 1 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=00 Prot=00 Driver=hid
E: Ad=82(I) Atr=03(Int.) MxPS= 3 Ivl= 10ms
--
Krishnakumar B <kitty at cs dot wustl dot edu>
Distributed Object Computing Laboratory, Washington University in St.Louis