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Subject3c59x regression (transmission stop)
Hi.

I have a problem with 3c59x network driver. After some time (now it happened
after 6 days of uptime) the card stops transmitting packets. Interrupt
counter increments, the card recieves and trasmits some buffers, but the
more time, the less packets are trasmitted and in the end it stops
trasmitting at all. I don't know how to debug this, rmmod and modprobe of
the module back helps to solve this for some time.

What kind of info should I post and how to track this nasty thing down?
Note, that this is server and hence things like bisecting is no-go for me.

# lspci -vvxs 00:0e
00:0e.0 Ethernet controller: 3Com Corporation 3c905B 100BaseTX [Cyclone]
(rev 64)
Subsystem: 3Com Corporation 3C905B Fast Etherlink XL 10/100
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 (2500ns min, 2500ns max), Cache Line Size: 32 bytes
Interrupt: pin A routed to IRQ 10
Region 0: I/O ports at a800 [size=128]
Region 1: Memory at f5000000 (32-bit, non-prefetchable) [size=128]
[virtual] Expansion ROM at 30000000 [disabled] [size=128K]
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: b7 10 55 90 17 00 10 02 64 00 00 02 08 20 00 00
10: 01 a8 00 00 00 00 00 f5 00 00 00 00 00 00 00 00
20: 00 00 00 00 00 00 00 00 00 00 00 00 b7 10 55 90
30: 00 00 00 00 dc 00 00 00 00 00 00 00 0a 01 0a 0a

# cat /proc/interrupts
CPU0
0: 524969030 XT-PIC-XT timer
1: 2270 XT-PIC-XT i8042
2: 0 XT-PIC-XT cascade
5: 1357 XT-PIC-XT uhci_hcd:usb1, uhci_hcd:usb2, uhci_hcd:usb3
6: 5 XT-PIC-XT floppy
7: 78 XT-PIC-XT parport0
8: 1 XT-PIC-XT rtc
9: 0 XT-PIC-XT acpi
10: 55418579 XT-PIC-XT CMI8738-MC6, eth0
11: 31568244 XT-PIC-XT nvidia
12: 12934 XT-PIC-XT i8042
14: 1946936 XT-PIC-XT ide0
15: 1293985 XT-PIC-XT ide1
NMI: 0
ERR: 0

I know, that I have disabled APIC, I noted it yesterday and rebuilt the
kernel with the APIC support, but still didn't reboot. If this is required
I'll do so, but before that, there was running smp kernel and that kind of
hangs appeared too.

There is nothing significant in dmesg, 2.6.17-rc5 was fine, so this is
definitely a regression.

thanks,
--
http://www.fi.muni.cz/~xslaby/ Jiri Slaby
faculty of informatics, masaryk university, brno, cz
e-mail: jirislaby gmail com, gpg pubkey fingerprint:
B674 9967 0407 CE62 ACC8 22A0 32CC 55C3 39D4 7A7E
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