Re: Problem with Tulip and 3Com

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I just grabbed another box and did the:

ifconfig eth4 up
ifconfig eth2 down
ifconfig eth2 up

Within 30 seconds I had a kernel panick and the box is unresponsive.

>=20
>=20
>   I'm hoping someone might have an answer on this one as I haven't
> found any fixes yet other than some threads from back in 2000.
>=20
> I'm running a number of servers with DLINK Quad port network cards which =
use
> the tulip driver as well as a 3c905C.  Since kernel 2.4.21 I've had a pro=
blem
> with what appears to be eth2.  Once the machine is up and running for some
> period of time which is greater than 5 mins but less than 48 hours the ma=
chine
> generates alot of errors:
>=20
> NETDEV WATCHDOG: eth2: transmit timed out
> NETDEV WATCHDOG: eth2: transmit timed out
> NETDEV WATCHDOG: eth2: transmit timed out
> NETDEV WATCHDOG: eth2: transmit timed out
> NETDEV WATCHDOG: eth2: transmit timed out
>=20
>=20
> root@bridge:~# grep eth /var/log/dmesg
> eth0: Digital DS21143 Tulip rev 65 at 0x2000, 00:80:C8:CD:38:95, IRQ 17.
> eth1: Digital DS21143 Tulip rev 65 at 0x2080, 00:80:C8:CD:38:96, IRQ 18.
> eth2: Digital DS21143 Tulip rev 65 at 0x2400, 00:80:C8:CD:38:97, IRQ 19.
> eth3: Digital DS21143 Tulip rev 65 at 0x2480, 00:80:C8:CD:38:98, IRQ 16.
> root@bridge:~# grep -i 3com /var/log/dmesg
> 03:08.0: 3Com PCI 3c905C Tornado at 0x3000. Vers LK1.1.18-ac
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> One thing we noticed was that the 3Com is also at IRQ19 with eth2:
>=20
> eth2      Link encap:Ethernet  HWaddr 00:80:C8:CD:38:97
>           inet addr:69.25.0.87  Bcast:69.25.0.127  Mask:255.255.255.192
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:110307 errors:1 dropped:2391 overruns:0 frame:0
>           TX packets:876 errors:144 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:119398948 (113.8 MiB)  TX bytes:155474 (151.8 KiB)
>           Interrupt:19 Base address:0x2400
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>=20
> eth4      Link encap:Ethernet  HWaddr 00:E0:81:23:56:7A
>           BROADCAST MULTICAST  MTU:1500  Metric:1
>           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000
>           RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
>           Interrupt:19 Base address:0x3000
>=20
>=20
>=20
> We found the tulip diag program which gives some errors on Index 3:
>   The Rx process state is 'Suspended -- no Rx buffers'.
>  Interrupt sources are pending!  CSR5 is f06981c7.
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> (Full output at the bottom of the email)
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>=20
> At this point eth0,eth1, and eth2 are up and online.  A co-worker did an
> ifup on eth4, ifdown eth2 ifup eth2 and the machine panic'd.  =DEere is a
> stack dump:
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> root@bridge:/proc# ifconfig eth4 up
> root@bridge:/proc# ifconfig eth2 down
> root@bridge:/proc# ifconfig eth2 up
>=20
> 11:21:42 bridge kernel: Unable to handle kernel NULL pointer dereference =
at virtual address 00000000
> 11:21:42 bridge kernel: printing eip:
> 11:21:42 bridge kernel: c011ff33
> 11:21:42 bridge kernel: *pde =3D 00000000
> 11:21:42 bridge kernel: Oops: 0000
> 11:21:42 bridge kernel: CPU: 1
> 11:21:42 bridge kernel: EIP: 0010:[timer_bh+527/1020] Not tainted
> 11:21:42 bridge kernel: EFLAGS: 00010086
> 11:21:42 bridge kernel: eax: c0583484 ebx: c0583294 ecx: c0583484 edx: 00=
000000
> 11:21:42 bridge kernel: esi: c04c5e74 edi: c0583260 ebp: 00000000 esp: c1=
c17ef0
> 11:21:42 bridge kernel: ds: 0018 es: 0018 ss: 0018
> 11:21:42 bridge kernel: Process swapper (pid: 0.  stackpage=3Dc1c17000)
> 11:21:42 bridge kernel: Stack: c05827e0 00000020 00000000 c05826e0 000b06=
00 00000000 000b0600 00000004
> 11:21:42 bridge kernel: 00000001 c1c17f14 c1c17f14 c011c30c c011c1f3 0000=
0000 c056d580 00000001
> 11:21:42 bridge kernel: fffffffe c05826e8 c011bf7d c056d580 c05826e0 c056=
b000 00000000 c1c17f70
> 11:21:42 bridge kernel: Call Trace: [bh_action+68/124] [tasklet_hi_action=
+103/160] [do_softirq+125/220] [do_IRQ+226/244] [amd76x_smp_idle+0/196]
> 11:21:42 bridge kernel: [amd76x_smp_idle+0/196] [amd76x_smp_idle+8/196] [=
cpu_idle+62/84] [release_console_sem+147/152] [printk+294/320]
> 11:21:42 bridge kernel: Code: 8b 02 89 48 04 89 01 89 51 04 89 0a 89 f1 3=
9 d9 0f 85 37 ff
> 11:21:42 bridge kernel: <0>Kernel panic: Aiee. killing interrupt handler!
>=20
>=20
> If we can get the machine online (it's in another city) I'll try and run
> this through the ksymoops.
>=20
> Any ideas?
>   Robert
>=20
>=20
> tulip-diag.c:v2.18 11/12/2003 Donald Becker ([email protected])
>  http://www.scyld.com/diag/index.html
> Index #1: Found a Digital DS21143 Tulip adapter at 0x2000.
>  * A potential Tulip chip has been found, but it appears to be active.
>  * Either shutdown the network, or use the '-f' flag to see all values.
> Digital DS21143 Tulip chip registers at 0x2000:
>  0x00: f8a08000 ffffffff ffffffff 37e7e000 37e7e200 f0660000 b20e2202
> fbfffbff
>  Port selection is MII, full-duplex.
>  Transmit started, Receive started.
>   The Rx process state is 'Waiting for packets'.
>   The Tx process state is 'Idle'.
>   The transmit threshold is 128.
>   The NWay status register is 000000c6.
> Index #2: Found a Digital DS21143 Tulip adapter at 0x2080.
>  * A potential Tulip chip has been found, but it appears to be active.
>  * Either shutdown the network, or use the '-f' flag to see all values.
> Digital DS21143 Tulip chip registers at 0x2080:
>  0x00: f8a08000 ffffffff ffffffff 37e7b000 37e7b200 f0660000 b20e2202
> fbfffbff
>  Port selection is MII, full-duplex.
>  Transmit started, Receive started.
>   The Rx process state is 'Waiting for packets'.
>   The Tx process state is 'Idle'.
>   The transmit threshold is 128.
>   The NWay status register is 000000c6.
> Index #3: Found a Digital DS21143 Tulip adapter at 0x2400.
>  * A potential Tulip chip has been found, but it appears to be active.
>  * Either shutdown the network, or use the '-f' flag to see all values.
> Digital DS21143 Tulip chip registers at 0x2400:
>  0x00: f8a08000 ffffffff ffffffff 37e7a000 37e7a200 f06981c7 b20e2202
> fbfffbff
>  Port selection is MII, full-duplex.
>  Transmit started, Receive started.
>   The Rx process state is 'Suspended -- no Rx buffers'.
>   The Tx process state is 'Idle'.
>   The transmit threshold is 128.
>  Interrupt sources are pending!  CSR5 is f06981c7.
>    Tx done indication.
>    Tx complete indication.
>    Tx out of buffers indication.
>    Rx Done indication.
>    Receiver out of buffers indication.
>    Receiver stopped indication.
>   The NWay status register is 000000c6.
> Index #4: Found a Digital DS21143 Tulip adapter at 0x2480.
> Digital DS21143 Tulip chip registers at 0x2480:
>  0x00: f8000000 ffffffff ffffffff bef7ffff f4bfffff f0000000 b20e0000
> f3fe0000
>  0x40: e0000000 fffd83ff ffffffff 00000000 000000c6 ffff0000 fff80000
> 8ff0c000
>  Port selection is MII, half-duplex.
>  Transmit stopped, Receive stopped.
>   The Rx process state is 'Stopped'.
>   The Tx process state is 'Stopped'.
>   The transmit threshold is 128.
>   The NWay status register is 000000c6.
> EEPROM 64 words, 6 address bits.
> PCI Subsystem IDs, vendor 1186, device 1112.
> CardBus Information Structure at offset 00000000.
> Ethernet MAC Station Address 00:80:C8:CD:38:98.
> EEPROM transceiver/media description table.
> Leaf node at offset 30, default media type 0800 (Autosense).
>  1 transceiver description blocks:
>   Media MII, block type 3, length 13.
>    MII interface PHY 0 (media type 11).
>    21143 MII initialization sequence is 0 words:.
>    21143 MII reset sequence is 0 words:.
>     Media capabilities are 7800, advertising 01e1.
>     Full-duplex map 5000, Threshold map 1800.
>     No MII interrupt.
>  MII PHY found at address 1, status 0x7849.
>  MII PHY #1 transceiver registers:
>    1000 7849 2000 5c10 01e1 0000 0004 2001
>    0000 0000 0000 0000 0000 0000 0000 0000
>    0200 0000 0000 0000 0000 0000 0020 0000
>    0000 0001 002b 0100 0006 0f00 0000 0000.
>   Internal autonegotiation state is 'Autonegotiation disabled'.
>=20
>=20
>=20
>=20
> :wq!
> -------------------------------------------------------------------------=
--
> Robert L. Harris                     | GPG Key ID: E344DA3B
>                                          @ x-hkp://pgp.mit.edu
> DISCLAIMER:
>       These are MY OPINIONS ALONE.  I speak for no-one else.
>=20
> Life is not a destination, it's a journey.
>   Microsoft produces 15 car pileups on the highway.
>     Don't stop traffic to stand and gawk at the tragedy.
>=20
>=20



:wq!
---------------------------------------------------------------------------
Robert L. Harris                     | GPG Key ID: E344DA3B
                                         @ x-hkp://pgp.mit.edu
DISCLAIMER:
      These are MY OPINIONS ALONE.  I speak for no-one else.

Life is not a destination, it's a journey.
  Microsoft produces 15 car pileups on the highway.
    Don't stop traffic to stand and gawk at the tragedy.

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