[1.] Intermittent tainted-mem error in mingetty in cached_lookup() in
tty open code
[2.] During bootup, mingetty got a tainted memory bug in
cached_lookup() while doing some tty opening stuff; this has only happened
once, and I don't know how to reproduce.
[3.] tty
[4.] Linux version 2.4.5-ac9 (root@kyoko) (gcc version 2.96 20000731 (Red Hat
Linux 7.1 2.96-81)) #2 Tue Jun 12 22:05:32 PDT 2001
[5.]
kernel BUG at slab.c:1244!
invalid operand: 0000
CPU: 0
EIP: 0010:[kmalloc+324/496]
EFLAGS: 00010086
eax: 0000001b ebx: c1447768 ecx: 00000001 edx: 00001810
esi: cea5a000 edi: cea5a9aa ebp: 00012800 esp: cebffe24
ds: 0018 es: 0018 ss: 0018
Process mingetty (pid: 903, stackpage=cebff000)
Stack: c02233ef 000004dc cea5a000 00001000 cea5a9aa 00000246 cfeecd88 c01393f0
cfb72e04 cebffe80 c02cfdc0 00000405 00000004 00000000 c017bf0d 00000c3c
00000007 00000004 c017cb85 00000004 00000004 00000000 00000000 cfeecd87
Call Trace: [cached_lookup+16/80] [alloc_tty_struct+13/48]
[init_dev+133/1008] [vfs_follow_link+225/336] [tty_open+331/896]
[path_walk+1778/2048] [do_page_fault+0/1168] [do_page_fault+378/1168]
[devfs_open+198/416] [dentry_open+195/320] [filp_open+77/96]
[getname+91/160] [sys_open+54/176] [system_call+51/56]
Code: 0f 0b 58 8b 6b 10 5a 81 e5 00 04 00 00 74 4d b8 a5 c2 0f 17
Jun 13 18:29:49 kyoko kernel: Linux version 2.4.5-ac9 (root@kyoko) (gcc
version 2.96 20000731 (Red Hat Linux 7.1 2.96-81)) #2 Tue Jun 12 22:05:32 PDT
2001
[6.]
[7.]
Using devfs
mingetty version 0.9.4-10
[7.1]
# sh scripts/ver_linux
Linux kyoko 2.4.5-ac9 #2 Tue Jun 12 22:05:32 PDT 2001 i686 unknown
Gnu C 2.96
Gnu make 3.79.1
binutils 2.10.91.0.2
util-linux 2.11e
mount 2.9w
modutils 2.4.2
e2fsprogs 1.19
reiserfsprogs 3.x.0b
pcmcia-cs 3.0.14
PPP 2.3.7
Linux C Library 2.2.2
Dynamic linker (ldd) 2.2.2
Linux C++ Library 2..
Procps 2.0.7
Net-tools 1.60
Console-tools 1999.03.02
Sh-utils 2.0
Modules Loaded ipt_REJECT ipt_state ipt_LOG ipt_unclean
iptable_mangle iptable_filter ip_nat_ftp ip_conntrack_ftp iptable_nat tulip
es1371 soundcore ac97_codec vfat fat sr_mod cdrom
[7.2]
# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 6
model name : Celeron (Mendocino)
stepping : 5
cpu MHz : 498.888
cache size : 128 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 sep mtrr pge mca cmov
pat pse36 mmx fxsr
bogomips : 996.14
[7.3]
# cat /proc/modules
ipt_REJECT 3104 3 (autoclean)
ipt_state 848 2 (autoclean)
ipt_LOG 3568 14 (autoclean)
ipt_unclean 6912 2 (autoclean)
iptable_mangle 1968 0 (autoclean) (unused)
iptable_filter 1968 0 (autoclean) (unused)
ip_nat_ftp 3712 0 (unused)
ip_conntrack_ftp 3968 0 [ip_nat_ftp]
iptable_nat 20512 1 [ip_nat_ftp]
tulip 38816 1 (autoclean)
es1371 26800 0
soundcore 4080 4 [es1371]
ac97_codec 8672 0 [es1371]
vfat 9232 0 (unused)
fat 31264 0 [vfat]
sr_mod 12656 0 (autoclean) (unused)
cdrom 28256 0 (autoclean) [sr_mod]
[7.4]
# cat /proc/ioports
0000-001f : dma1
0020-003f : pic1
0040-005f : timer
0060-006f : keyboard
0070-007f : rtc
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)
0400-043f : Intel Corporation 82371AB PIIX4 ACPI
0440-045f : Intel Corporation 82371AB PIIX4 ACPI
0cf8-0cff : PCI conf1
d000-dfff : PCI Bus #01
d800-d8ff : ATI Technologies Inc 3D Rage Pro AGP 1X/2X
e800-e8ff : Lite-On Communications Inc LNE100TX
e800-e8ff : tulip
ef00-ef3f : Ensoniq ES1371 [AudioPCI-97]
ef00-ef3f : es1371
ef80-ef9f : Intel Corporation 82371AB PIIX4 USB
ffa0-ffaf : Intel Corporation 82371AB PIIX4 IDE
ffa0-ffa7 : ide0
ffa8-ffaf : ide1
# cat /proc/iomem
00000000-0009fbff : System RAM
0009fc00-0009ffff : reserved
000a0000-000bffff : Video RAM area
000c0000-000c7fff : Video ROM
000f0000-000fffff : System ROM
00100000-0ffdffff : System RAM
00100000-0021b055 : Kernel code
0021b056-0027217f : Kernel data
0ffe0000-0fff7fff : ACPI Tables
0fff8000-0fffffff : ACPI Non-volatile Storage
f4800000-f48fffff : PCI Bus #01
f8000000-fbffffff : Intel Corporation 440BX/ZX - 82443BX/ZX Host bridge
fca00000-feafffff : PCI Bus #01
fd000000-fdffffff : ATI Technologies Inc 3D Rage Pro AGP 1X/2X
feaff000-feafffff : ATI Technologies Inc 3D Rage Pro AGP 1X/2X
febffc00-febffcff : Lite-On Communications Inc LNE100TX
febffc00-febffcff : tulip
fec00000-fec00fff : reserved
fee00000-fee00fff : reserved
fff80000-ffffffff : reserved
[7.5]
# lspci -vvv
00:00.0 Host bridge: Intel Corporation 440BX/ZX - 82443BX/ZX Host bridge (rev
03)
Subsystem: Intel Corporation: Unknown device 7190
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 set
Region 0: Memory at f8000000 (32-bit, prefetchable) [size=64M]
Capabilities: [a0] AGP version 1.0
Status: RQ=31 SBA+ 64bit- FW- Rate=x1,x2
Command: RQ=0 SBA- AGP- 64bit- FW- Rate=x1
00:01.0 PCI bridge: Intel Corporation 440BX/ZX - 82443BX/ZX AGP bridge (rev
03) (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: 64 set
Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
I/O behind bridge: 0000d000-0000dfff
Memory behind bridge: fca00000-feafffff
Prefetchable memory behind bridge: f4800000-f48fffff
BridgeCtl: Parity- SERR- NoISA- VGA+ MAbort- >Reset- FastB2B+
00:07.0 ISA bridge: Intel Corporation 82371AB PIIX4 ISA (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 set
00:07.1 IDE interface: Intel Corporation 82371AB PIIX4 IDE (rev 01) (prog-if
80 [Master])
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 set
Region 4: I/O ports at ffa0 [size=16]
00:07.2 USB Controller: Intel Corporation 82371AB PIIX4 USB (rev 01) (prog-if
00 [UHCI])
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 set
Interrupt: pin D routed to IRQ 10
Region 4: I/O ports at ef80 [size=32]
00:07.3 Bridge: Intel Corporation 82371AB PIIX4 ACPI (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-
Interrupt: pin ? routed to IRQ 9
00:0c.0 Multimedia audio controller: Ensoniq ES1371 [AudioPCI-97] (rev 04)
Subsystem: Intel Corporation: Unknown device 4249
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR+ FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 12 min, 128 max, 64 set
Interrupt: pin A routed to IRQ 9
Region 0: I/O ports at ef00 [size=64]
Capabilities: [dc] Power Management version 1
Flags: PMEClk- AuxPwr+ DSI+ D1- D2+ PME+
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
00:0f.0 Ethernet controller: Lite-On Communications Inc LNE100TX (rev 20)
Subsystem: Netgear FA310TX
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 set
Interrupt: pin A routed to IRQ 5
Region 0: I/O ports at e800 [size=256]
Region 1: Memory at febffc00 (32-bit, non-prefetchable) [size=256]
Expansion ROM at feb80000 [disabled] [size=256K]
01:00.0 VGA compatible controller: ATI Technologies Inc 3D Rage Pro AGP 1X/2X
(rev 5c) (prog-if 00 [VGA])
Subsystem: ATI Technologies Inc: Unknown device 0084
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 min, 64 set, cache line size 08
Interrupt: pin A routed to IRQ 11
Region 0: Memory at fd000000 (32-bit, non-prefetchable) [size=16M]
Region 1: I/O ports at d800 [size=256]
Region 2: Memory at feaff000 (32-bit, non-prefetchable) [size=4K]
Expansion ROM at feac0000 [disabled] [size=128K]
Capabilities: [50] AGP version 1.0
Status: RQ=255 SBA+ 64bit- FW- Rate=x1,x2
Command: RQ=0 SBA- AGP- 64bit- FW- Rate=<none>
[7.6]
# cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: PLEXTOR Model: CD-R PX-W8432T Rev: 1.07
Type: CD-ROM ANSI SCSI revision: 02
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