Hi.
After upgrading to 8.1 from 8.0, I recently tried to access the cdrom, by
inserting a cd and going to /mnt/cdrom. This caused ls to segv and the
following message was in /var/log/messages:
Jan 22 08:34:29 saraswati kernel: kernel BUG at super.c:274!
Jan 22 08:34:29 saraswati kernel: invalid operand: 0000
Jan 22 08:34:29 saraswati kernel: CPU: 0
Jan 22 08:34:29 saraswati kernel: EIP:
0010:[af_packet:__insmod_af_packet_O/lib/modules/2.4.8-26mdk/kernel/net/pac+-2089842/96]
Jan 22 08:34:29 saraswati kernel: EIP: 0010:[<d8a0ac8e>]
Jan 22 08:34:29 saraswati kernel: EFLAGS: 00010286
Jan 22 08:34:29 saraswati kernel: eax: 0000001b ebx: d7f7d720 ecx: c025dddc edx:
00004e1e
Jan 22 08:34:29 saraswati kernel: esi: 00000000 edi: d7907c00 ebp: ffffff85 esp:
cf0d3ec4
Jan 22 08:34:29 saraswati kernel: ds: 0018 es: 0018 ss: 0018
Jan 22 08:34:29 saraswati kernel: Process ls (pid: 11682, stackpage=cf0d3000)
Jan 22 08:34:29 saraswati kernel: Stack: d8a155ae 00000112 00000000 c013bf4c d76d17c0
00000008 d6868260 d8a154c1
Jan 22 08:34:29 saraswati kernel: d8a154cb d8a154d5 00000286 c166f460 d6868260
08056540 d7615760 d8a1507f
Jan 22 08:34:29 saraswati kernel: d7907c00 00000292 c1667d40 00000000 c1667d40
d79da000 bffff6a8 c013c3eb
Jan 22 08:34:29 saraswati kernel: Call Trace:
[af_packet:__insmod_af_packet_O/lib/modules/2.4.8-26mdk/kernel/net/pac+-2046546/96]
[path_walk+1740/1968]
[af_packet:__insmod_af_packet_O/lib/modules/2.4.8-26mdk/kernel/net/pac+-2046783/96]
[af_packet:__insmod_af_packet_O/lib/modules/2.4.8-26mdk/kernel/net/pac+-2046773/96]
[af_packet:__insmod_af_packet_O/lib/modules/2.4.8-26mdk/kernel/net/pac+-2046763/96]
Jan 22 08:34:29 saraswati kernel: Call Trace: [<d8a155ae>] [<c013bf4c>] [<d8a154c1>]
[<d8a154cb>] [<d8a154d5>]
Jan 22 08:34:29 saraswati kernel:
[af_packet:__insmod_af_packet_O/lib/modules/2.4.8-26mdk/kernel/net/pac+-2047873/96]
[__user_walk+75/96] [vfs_lstat+98/144] [sys_lstat64+17/48] [request_module+224/416]
[do_page_fault+0/1200]
Jan 22 08:34:29 saraswati kernel: [<d8a1507f>] [<c013c3eb>] [<c0138ea2>]
[<c01394f1>] [<c0120000>] [<c0111980>]
Jan 22 08:34:29 saraswati kernel: [error_code+56/64] [system_call+51/64]
Jan 22 08:34:29 saraswati kernel: [<c0106fe8>] [<c0106ec3>]
Jan 22 08:34:29 saraswati kernel:
Jan 22 08:34:29 saraswati kernel: Code: 0f 0b 59 5e 57 e8 d8 f9 ff ff 85 c0 89 44 24
04 5a 74 4f 80
The entire /mnt directory is not visible.
I do have a usb printer attached.
Any idea what's wrong? Is this a known problem, or should I report it as a
kernel bug? If so, to whom?
output of lspci, which doesn't show the device:
[root@saraswati root]# lspci -vvv
00:00.0 Host bridge: Advanced Micro Devices [AMD] AMD-751 [Irongate] System Controller
(rev 23)
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: Memory at e0000000 (32-bit, prefetchable) [size=128M]
Region 1: Memory at efdff000 (32-bit, prefetchable) [size=4K]
Region 2: I/O ports at d800 [disabled] [size=4]
Capabilities: [a0] AGP version 1.0
Status: RQ=15 SBA+ 64bit- FW- Rate=x1,x2
Command: RQ=0 SBA- AGP+ 64bit- FW- Rate=x1
00:01.0 PCI bridge: Advanced Micro Devices [AMD] AMD-751 [Irongate] AGP Bridge (rev
01) (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
Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
I/O behind bridge: 00007000-00008fff
Memory behind bridge: efe00000-efefffff
Prefetchable memory behind bridge: d7c00000-dfcfffff
BridgeCtl: Parity- SERR+ NoISA- VGA+ MAbort- >Reset- FastB2B-
00:04.0 ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super] (rev 14)
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
00:04.1 IDE interface: VIA Technologies, Inc. VT82C586 IDE [Apollo] (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 ffa0 [size=16]
00:04.2 USB Controller: VIA Technologies, Inc. VT82C586B USB (rev 06) (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: 64, cache line size 08
Interrupt: pin D routed to IRQ 10
Region 4: I/O ports at d000 [size=32]
00:04.3 USB Controller: VIA Technologies, Inc. VT82C586B USB (rev 06) (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: 64, cache line size 08
Interrupt: pin D routed to IRQ 10
Region 4: I/O ports at d400 [size=32]
00:04.4 SMBus: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI] (rev 10)
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-
00:0d.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139 (rev 10)
Subsystem: CIS Technology Inc 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: 64 (8000ns min, 16000ns max)
Interrupt: pin A routed to IRQ 11
Region 0: I/O ports at cc00 [size=256]
Region 1: Memory at efffff00 (32-bit, non-prefetchable) [size=256]
Capabilities: [50] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA
PME(D0-,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
00:0e.0 Multimedia audio controller: Creative Labs SB Live! EMU10000 (rev 07)
Subsystem: Creative Labs CT4832 SBLive! Value
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 9
Region 0: I/O ports at c800 [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-
00:0e.1 Input device controller: Creative Labs SB Live! (rev 07)
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 dc00 [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-
00:0f.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8029(AS)
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 5
Region 0: I/O ports at c400 [size=32]
00:10.0 Communication controller: CONEXANT SoftK56 Speakerphone Winmodem (rev 01)
Subsystem: Turbocomm Tech. Inc.: Unknown device 2015
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
Interrupt: pin A routed to IRQ 10
Region 0: Memory at effe0000 (32-bit, non-prefetchable) [size=64K]
Region 1: I/O ports at c000 [size=8]
Capabilities: [40] 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-
01:05.0 VGA compatible controller: ATI Technologies Inc Rage 128 RF (prog-if 00 [VGA])
Subsystem: ATI Technologies Inc: Unknown device 0448
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 (2000ns min), cache line size 08
Interrupt: pin A routed to IRQ 11
Region 0: Memory at d8000000 (32-bit, prefetchable) [size=64M]
Region 1: I/O ports at 8800 [size=256]
Region 2: Memory at efefc000 (32-bit, non-prefetchable) [size=16K]
Expansion ROM at efec0000 [disabled] [size=128K]
Capabilities: [50] AGP version 2.0
Status: RQ=31 SBA+ 64bit- FW- Rate=x1,x2
Command: RQ=0 SBA+ AGP- 64bit- FW- Rate=<none>
Capabilities: [5c] 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-
Output of lsmod:
[root@saraswati root]# lsm
lsmod lsmod.static
[root@saraswati root]# lsmod
Module Size Used by
isofs 18496 0 (autoclean)
parport_pc 20240 1 (autoclean)
lp 5808 0 (autoclean)
parport 24768 1 (autoclean) [parport_pc lp]
emu10k1 54320 0
ac97_codec 9312 0 [emu10k1]
sound 58400 0 [emu10k1]
soundcore 4208 7 [emu10k1 sound]
af_packet 12560 1 (autoclean)
ip_vs 62000 0 (autoclean)
ipt_REJECT 3312 2 (autoclean)
ipt_limit 1280 11 (autoclean)
ipt_state 944 13 (autoclean)
ipt_LOG 3776 11
ip_conntrack_ftp 3792 0 (unused)
iptable_mangle 2048 0 (autoclean) (unused)
printer 5920 0
usb-uhci 21232 0 (unused)
usbcore 50752 1 [printer usb-uhci]
8139too 12704 1 (autoclean)
ne2k-pci 5248 1 (autoclean)
8390 6432 0 (autoclean) [ne2k-pci]
iptable_filter 2048 0 (autoclean) (unused)
ipt_MASQUERADE 1600 1 (autoclean)
iptable_nat 16560 0 [ipt_MASQUERADE]
ip_tables 11488 10 [ipt_REJECT ipt_limit ipt_state ipt_LOG
iptable_mangle iptable_filter ipt_MASQUERADE iptable_nat]
ip_conntrack 15600 3 [ipt_state ip_conntrack_ftp ipt_MASQUERADE
iptable_nat]
vfat 9968 0 (autoclean)
fat 32192 0 (autoclean) [vfat]
supermount 57184 2 (autoclean)
rtc 5600 0 (autoclean)
reiserfs 158304 4
thanks,
Vijay
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