Messages in this thread | | | From | "Aaron Tiensivu" <> | Subject | [2.4.1-pre8] MPP related OPPS | Date | Fri, 19 Jan 2001 00:58:23 -0500 |
| |
I reported this a few months ago without much details and the machine involved died shortly after which made me think that this oops was merely bad hardware. This is a brand new machine and the opps popped up again. Thankfully I armed myself with a serial console and captured this beast.
Definitely bad mojo involved in the MPPP code, this only occurs when 2 modems are bonded together over serial lines connected to a 3com TotalControl PPP server.
I can recreate it with a bare-minimum kernel up to a full featured kernel, going all the way back into 2.3.x land. It isn't limited to this machine either. :)
Master link is on COM1 using an oldie but goodie USR Dual Standard V.Everything Slave link is on a USR PCI controller-full 56k modem
With the master link configured with MPP without the slave attached, I can run it for days. With the master link having the slave attached, I can run it for 5 minutes to 30 minutes.
I've even switched master/slave configurations and tried different modems.
Details to follow:
[1.] One line summary of the problem: After a few minutes of heavy load, MPPP over serial lines oops's.
[2.] Full description of the problem/report: See above.
[4.] Kernel version (from /proc/version): Linux version 2.4.1-pre8 (root@usr1-ip031-cs.wmis.net) (gcc version 2.95.3 20010101 (prerelease)) #1 Thu Jan 18 21:15:51 EST 2001
Note that this happens with egcs also, and gcc 2.95.2
[5.] Output of Oops.. message (if applicable) with symbolic information resolved (see Documentation/oops-tracing.txt)
Script started on Fri Jan 19 00:17:52 2001 [root@usr1-ip028-cs ~]# ksymoops -v /usr/src/linux/vmlinux -k /proc/ksyms -l /pr oc/modules -m /usr/src/linux/System.map <oops.txt ksymoops 2.3.7 on i586 2.4.1-pre8. Options used -v /usr/src/linux/vmlinux (specified) -k /proc/ksyms (specified) -l /proc/modules (specified) -o /lib/modules/2.4.1-pre8/ (default) -m /usr/src/linux/System.map (specified)
Unable to handle kernel paging request at virtual address 01010101 01010101 *pde = 00000000 Oops: 0000 CPU: 0 EIP: 0010:[<01010101>] Using defaults from ksymoops -t elf32-i386 -a i386 EFLAGS: 00010282 eax: 01010101 ebx: c1ce7eb4 ecx: c209c000 edx: 00000000 esi: 00003fd2 edi: 00000000 ebp: c3d839e0 esp: c209de44 ds: 0018 es: 0018 ss: 0018 Process dnetc (pid: 695, stackpage=c209d000) Stack: c01accd2 c1ce7eb4 c1ce7eb4 00000000 c49c95b3 c1ce7eb4 00003fd2 c2e5d1e0 fffffffe c1ce7e44 000005bd 00000000 c2e5d1e0 c2e5d1e0 c1ce7eb4 00003fd2 c49c9270 c1ce7e00 c1ce7e00 000005c3 c20a3be0 00000001 c1ce7eb4 c49c8b04 Call Trace: [<c01accd2>] [<c49c95b3>] [<c49c9270>] [<c49c8b04>] [<c49c8a1b>] [<c49ccf86>] [<c49cc383>] [<c01726e5>] [<c0172774>] [<c0181487>] [<c0181766>] [<c0109f3c>] [<c010a09e>] [<c0108e00>] Code: Bad EIP value.
>>EIP; 01010101 Before first symbol <===== Trace; c01accd2 <__kfree_skb+7e/134> Trace; c49c95b3 <[ppp_generic]ppp_mp_reconstruct+2bf/2d8> Trace; c49c9270 <[ppp_generic]ppp_receive_mp_frame+1cc/20c> Trace; c49c8b04 <[ppp_generic]ppp_receive_frame+30/7c> Trace; c49c8a1b <[ppp_generic]ppp_input+12f/164> Trace; c49ccf86 <[ppp_async]ppp_async_input+3ae/458> Trace; c49cc383 <[ppp_async]ppp_asynctty_receive+27/58> Trace; c01726e5 <flush_to_ldisc+dd/e4> Trace; c0172774 <tty_flip_buffer_push+14/5c> Trace; c0181487 <receive_chars+1f3/200> Trace; c0181766 <rs_interrupt_single+42/88> Trace; c0109f3c <handle_IRQ_event+30/5c> Trace; c010a09e <do_IRQ+6e/b0> Trace; c0108e00 <ret_from_intr+0/20>
Kernel panic: Aiee, killing interrupt handler! [root@usr1-ip028-cs ~]# Script done on Fri Jan 19 00:18:38 2001
[6.] A small shell script or example program which triggers the problem (if possible)
Fire up a MPPP link and watch it burn. :)
[7.1.] Software (add the output of the ver_linux script here) Kernel modules 2.3.21 Gnu C 2.95.3 Gnu Make 3.79.1 Binutils 2.10.1.0.2 Linux C Library > libc.2.2 Dynamic linker ldd (GNU libc) 2.2 Procps 2.0.7 Mount 2.10m Net-tools 1.56 Console-tools 0.3.3 Sh-utils 2.0
[7.2.] Processor information (from /proc/cpuinfo): processor : 0 vendor_id : AuthenticAMD cpu family : 5 model : 8 model name : AMD-K6(tm) 3D processor stepping : 12 cpu MHz : 374.229 cache size : 64 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 mce cx8 pge mmx syscall 3dnow k6_mtrr bogomips : 747.11
Yes it's sick to have a K6-2 just routing packets. :)
[7.3.] Module information (from /proc/modules):
nls_iso8859-1 2848 1 (autoclean) smbfs 31216 1 (autoclean) nfs 74240 1 (autoclean) ipt_unclean 6912 0 (autoclean) (unused) ipt_TOS 1104 0 (autoclean) (unused) ipt_tos 720 0 (autoclean) (unused) ipt_state 800 0 (autoclean) (unused) ipt_REJECT 2080 0 (autoclean) (unused) ipt_REDIRECT 960 4 (autoclean) ipt_owner 1360 0 (autoclean) (unused) ipt_multiport 880 0 (autoclean) (unused) ipt_MIRROR 1152 0 (autoclean) (unused) ipt_MASQUERADE 1312 1 (autoclean) ipt_MARK 944 0 (autoclean) (unused) ipt_mark 720 0 (autoclean) (unused) ipt_mac 880 0 (autoclean) (unused) ipt_LOG 3312 1 (autoclean) ipt_limit 1040 0 (autoclean) (unused) iptable_mangle 1888 0 (autoclean) (unused) iptable_filter 1920 0 (autoclean) (unused) ip_queue 4544 0 (autoclean) (unused) ip_nat_ftp 3024 0 (autoclean) (unused) iptable_nat 12480 1 (autoclean) [ipt_REDIRECT ipt_MASQUERADE ip_nat_ftp] ip_tables 10016 20 (autoclean) [ipt_unclean ipt_TOS ipt_tos ipt_state ipt_REJECT ipt_REDIRECT ipt_owner ipt_multiport ipt_MIRROR ipt_MASQUERADE ipt_MARK ipt_mark ipt_mac ipt_LOG ipt_limit iptable_mangle iptable_filter iptable_nat] ip_conntrack_ftp 1984 0 (autoclean) (unused) ip_conntrack 12640 3 (autoclean) [ipt_state ipt_REDIRECT ipt_MASQUERADE ip_nat_ftp iptable_nat ip_conntrack_ftp] bsd_comp 4192 0 (autoclean) ppp_deflate 39200 0 (autoclean) ppp_async 5968 2 (autoclean) ppp_generic 15424 6 (autoclean) [bsd_comp ppp_deflate ppp_async] slhc 4560 1 (autoclean) [ppp_generic] isa-pnp 27600 0 (autoclean) (unused) nfsd 66736 2 (autoclean) lockd 49136 1 (autoclean) [nfs nfsd] sunrpc 57728 1 (autoclean) [nfs nfsd lockd] af_packet 8016 1 (autoclean) eepro100 16896 1 (autoclean) usb-ohci 16112 0 (unused) usbcore 45520 1 [usb-ohci]
[7.4.] Loaded driver and hardware information (/proc/ioports, /proc/iomem) 00000000-0009ffff : System RAM 000a0000-000bffff : Video RAM area 000c0000-000c7fff : Video ROM 000f0000-000fffff : System ROM 00100000-03ffcfff : System RAM 00100000-001df603 : Kernel code 001df604-0022779b : Kernel data 03ffd000-03ffefff : ACPI Tables 03fff000-03ffffff : ACPI Non-volatile Storage db800000-db80ffff : PCI device 1039:0200 dc000000-dc0fffff : PCI device 8086:1229 dc800000-dc87ffff : PCI device 5333:8a22 dd000000-dd000fff : PCI device 1039:7001 dd000000-dd000fff : usb-ohci de000000-de3fffff : PCI device 1039:0200 df000000-df000fff : PCI device 8086:1229 df000000-df000fff : eepro100 e0000000-e7ffffff : PCI device 5333:8a22 ffff0000-ffffffff : reserved
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(set) 0cf8-0cff : PCI conf1 b000-b07f : PCI device 1039:0200 b400-b41f : PCI device 8086:1229 b400-b41f : eepro100 b800-b807 : PCI device 12b9:1008 b800-b807 : serial(set) d000-d00f : PCI device 1039:5513 d000-d007 : ide0 d008-d00f : ide1
[7.5.] PCI information ('lspci -vvv' as root) 00:00.0 Host bridge: Silicon Integrated Systems [SiS] 5597 [SiS5582] (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: 32
00:01.0 ISA bridge: Silicon Integrated Systems [SiS] 85C503/5513 (rev 01) 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
00:01.1 IDE interface: Silicon Integrated Systems [SiS] 5513 [IDE] (rev d0) (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=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- Latency: 32 Interrupt: pin A routed to IRQ 7 Region 0: I/O ports at <ignored> Region 1: I/O ports at <ignored> Region 2: I/O ports at <ignored> Region 3: I/O ports at <ignored> Region 4: I/O ports at d000 [size=16]
00:01.2 USB Controller: Silicon Integrated Systems [SiS] 7001 (rev 10) (prog-if 10 [OHCI]) 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 A routed to IRQ 7 Region 0: Memory at dd000000 (32-bit, non-prefetchable) [size=4K]
00:0a.0 Serial controller: US Robotics/3Com 56K FaxModem Model 5610 (rev 01) (prog-if 02 [16550]) Subsystem: US Robotics/3Com USR 56k Internal FAX Modem (Model 2977) 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 b800 [size=8] 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-
00:0b.0 VGA compatible controller: S3 Inc. Savage 4 (rev 02) (prog-if 00 [VGA]) Subsystem: Creative Labs 3d Blaster Savage 4 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 (1000ns min, 63750ns max), cache line size 08 Interrupt: pin A routed to IRQ 11 Region 0: Memory at dc800000 (32-bit, non-prefetchable) [size=512K] Region 1: Memory at e0000000 (32-bit, prefetchable) [size=128M] Expansion ROM at 000c0000 [disabled] [size=64K] 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-
00:0c.0 Ethernet controller: Intel Corporation 82557 [Ethernet Pro 100] (rev 01) 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) Interrupt: pin A routed to IRQ 10 Region 0: Memory at df000000 (32-bit, prefetchable) [size=4K] Region 1: I/O ports at b400 [size=32] Region 2: Memory at dc000000 (32-bit, non-prefetchable) [size=1M] Expansion ROM at <unassigned> [disabled] [size=1M]
00:13.0 VGA compatible controller: Silicon Integrated Systems [SiS] 5597/5598 VGA (rev 65) (prog-if 00 [VGA]) Subsystem: Silicon Integrated Systems [SiS] 5597/5598 VGA 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- Region 0: Memory at de000000 (32-bit, prefetchable) [disabled] [size=4M] Region 1: Memory at db800000 (32-bit, non-prefetchable) [disabled] [size=64K] Region 2: I/O ports at b000 [disabled] [size=128] Expansion ROM at ddff0000 [disabled] [size=32K]
[7.7.] Other information that might be relevant to the problem (please look in /proc and include all information that you think to be relevant):
Here is some dmesg info: Linux version 2.4.1-pre8 (root@usr1-ip031-cs.wmis.net) (gcc version 2.95.3 20010 101 (prerelease)) #1 Thu Jan 18 21:15:51 EST 2001 BIOS-provided physical RAM map: BIOS-e820: 00000000000a0000 @ 0000000000000000 (usable) BIOS-e820: 0000000000010000 @ 00000000000f0000 (reserved) BIOS-e820: 0000000003efd000 @ 0000000000100000 (usable) BIOS-e820: 0000000000002000 @ 0000000003ffd000 (ACPI data) BIOS-e820: 0000000000001000 @ 0000000003fff000 (ACPI NVS) BIOS-e820: 0000000000010000 @ 00000000ffff0000 (reserved) On node 0 totalpages: 16381 zone(0): 4096 pages. zone(1): 12285 pages. zone(2): 0 pages. Kernel command line: auto BOOT_IMAGE=lnew ro root=341 BOOT_FILE=/home/kernel/ker nel/linux/arch/i386/boot/bzImage console=ttyS1,9600 console=tty0 Initializing CPU#0 Detected 374.229 MHz processor. Console: colour VGA+ 80x25 Calibrating delay loop... 747.11 BogoMIPS Memory: 62592k/65524k available (893k kernel code, 2548k reserved, 288k data, 60 k init, 0k highmem) Dentry-cache hash table entries: 8192 (order: 4, 65536 bytes) Buffer-cache hash table entries: 1024 (order: 0, 4096 bytes) Page-cache hash table entries: 16384 (order: 4, 65536 bytes) Inode-cache hash table entries: 4096 (order: 3, 32768 bytes) VFS: Diskquotas version dquot_6.4.0 initialized CPU: Before vendor init, caps: 008021bf 808029bf 00000000, vendor = 2 CPU: L1 I Cache: 32K (32 bytes/line), D cache 32K (32 bytes/line) CPU: After vendor init, caps: 008021bf 808029bf 00000000 00000002 CPU: After generic, caps: 008021bf 808029bf 00000000 00000002 CPU: Common caps: 008021bf 808029bf 00000000 00000002 CPU: AMD-K6(tm) 3D processor stepping 0c Checking 'hlt' instruction... OK. POSIX conformance testing by UNIFIX mtrr: v1.37 (20001109) Richard Gooch (rgooch@atnf.csiro.au) mtrr: detected mtrr type: AMD K6 PCI: PCI BIOS revision 2.10 entry at 0xf0500, last bus=0 PCI: Using configuration type 1 PCI: Probing PCI hardware PCI: Using IRQ router SIS [1039/0008] at 00:01.0 Disabling direct PCI/PCI transfers. Linux NET4.0 for Linux 2.4 Based upon Swansea University Computer Society NET3.039 Initializing RT netlink socket DMI 2.0 present. 28 structures occupying 890 bytes. DMI table at 0x000F540A. BIOS Vendor: Award Software, Inc. BIOS Version: ASUS SP97-V ACPI BIOS Revision 1001 B03/18/99 BIOS Release: System Vendor: System Manufacturer. Product Name: System Name. Version System Version. Serial Number SYS-1234567890. Board Vendor: ASUSTeK Computer INC.. Board Name: SP97-V. Board Version: REV 1.XX. Asset Tag: Asset-1234567890. Starting kswapd v1.8 pty: 256 Unix98 ptys configured keyboard: Timeout - AT keyboard not present? keyboard: Timeout - AT keyboard not present? block: queued sectors max/low 41498kB/31124kB, 128 slots per queue Uniform Multi-Platform E-IDE driver Revision: 6.31 ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx SIS5513: IDE controller on PCI bus 00 dev 09 IRQ routing conflict in pirq table! Try 'pci=autoirq' SIS5513: chipset revision 208 SIS5513: not 100% native mode: will probe irqs later SiS5597 ide0: BM-DMA at 0xd000-0xd007, BIOS settings: hda:DMA, hdb:DMA ide1: BM-DMA at 0xd008-0xd00f, BIOS settings: hdc:DMA, hdd:pio hda: ST5660A, ATA DISK drive hdb: IBM-DJAA-31700, ATA DISK drive hdc: Maxtor 72700 AP, ATA DISK drive ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 ide1 at 0x170-0x177,0x376 on irq 15 hda: 1066184 sectors (546 MB) w/256KiB Cache, CHS=528/32/63, DMA hdb: 3334464 sectors (1707 MB) w/96KiB Cache, CHS=827/64/63, DMA hdc: 5290320 sectors (2709 MB) w/128KiB Cache, CHS=5248/16/63, DMA Partition check: /dev/ide/host0/bus0/target0/lun0: p1 p2 /dev/ide/host0/bus0/target1/lun0: p1 /dev/ide/host0/bus1/target0/lun0: [PTBL] [656/128/63] p1 Serial driver version 5.02 (2000-08-09) with MANY_PORTS SHARE_IRQ DETECT_IRQ SER IAL_PCI enabled ttyS00 at 0x03f8 (irq = 4) is a 16550A ttyS01 at 0x02f8 (irq = 3) is a 16550A PCI: Found IRQ 5 for device 00:0a.0 ttyS02 at port 0xb800 (irq = 5) is a 16550A NET4: Linux TCP/IP 1.0 for NET4.0 IP Protocols: ICMP, UDP, TCP, IGMP IP: routing cache hash table of 512 buckets, 4Kbytes TCP: Hash tables configured (established 4096 bind 4096) NET4: Unix domain sockets 1.0/SMP for Linux NET4.0. ACPI: System description tables found ACPI: System description tables loaded ACPI: Subsystem enabled ACPI: System firmware supports: C2 ACPI: System firmware supports: S0 S1 S5 devfs: v0.102 (20000622) Richard Gooch (rgooch@atnf.csiro.au) devfs: boot_options: 0x0 reiserfs: checking transaction log (device 03:41) ... Warning, log replay starting on readonly filesystem reiserfs: replayed 3 transactions in 42 seconds Using r5 hash to sort names ReiserFS version 3.6.25 VFS: Mounted root (reiserfs filesystem) readonly. Mounted devfs on /dev Freeing unused kernel memory: 60k freed Adding Swap: 18136k swap-space (priority -1) usb.c: registered new driver usbdevfs usb.c: registered new driver hub PCI: Found IRQ 7 for device 00:01.2 PCI: The same IRQ used for device 00:01.1 usb-ohci.c: USB OHCI at membase 0xc48c9000, IRQ 7 usb-ohci.c: usb-00:01.2, PCI device 1039:7001 usb.c: new USB bus registered, assigned bus number 1 hub.c: USB hub found hub.c: 2 ports detected reiserfs: checking transaction log (device 03:01) ... reiserfs: replayed 1 transactions in 8 seconds Using r5 hash to sort names ReiserFS version 3.6.25
/proc/tty/driver/serial: serinfo:1.0 driver:5.02 revision:2000-08-09 0: uart:16550A port:3F8 irq:4 baud:230400 tx:13602565 rx:2113469 fe:5 RTS|DTR|DSR|CD 1: uart:16550A port:2F8 irq:3 baud:115200 tx:4852 rx:32 RTS|CTS|DTR|DSR 2: uart:16550A port:B800 irq:5 baud:230400 tx:5286703 rx:485373 RTS|DTR|DSR|CD
setserial info: /dev/ttyS0, UART: 16550A, Port: 0x03f8, IRQ: 4, Flags: low_latency /dev/ttyS1, UART: 16550A, Port: 0x02f8, IRQ: 3, Flags: low_latency /dev/ttyS2, UART: 16550A, Port: 0xb800, IRQ: 5, Flags: low_latency
/proc/interrupts: CPU0 0: 492337 XT-PIC timer 1: 3 XT-PIC keyboard 2: 0 XT-PIC cascade 3: 361 XT-PIC serial 4: 1146775 XT-PIC serial 5: 397249 XT-PIC serial 7: 0 XT-PIC usb-ohci 9: 0 XT-PIC acpi 10: 65101 XT-PIC eth0 14: 14385 XT-PIC ide0 15: 7577 XT-PIC ide1 NMI: 0 ERR: 0
--- Do I want too much? Would perfection be enough? Even if it came to me, would it be what I really need?
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
| |