Greetings,
A fresh user of speedtouch driver, fresh set of problems.
What I get are disconnections during uploads. Seems crazy? Read on.
Modem can run for hours & hours as far as I restrain to downloading.
Once I try any upload >10KBpsec, sooner or later I get:
May 29 14:51:52 magi kernel: usb-uhci.c: interrupt, status 3, frame# 839
May 29 14:51:52 magi kernel: usbdevfs: USBDEVFS_CONTROL failed dev 2 rqt 192 rq 18
len 1 ret -84
May 29 14:51:52 magi kernel: hub.c: already running port 2 disabled by hub (EMI?),
re-enabling...
A few seconds later pppd dies, due to lcp timeout. The only thing that helps
is disconnecting the modem and connecting it back.
I've tried:
* using uhci.o instead of usb-uhci.o: same behaviour (I can say that
disconnect comes even faster :) with:
May 29 14:42:30 magi kernel: uhci.c: e000: host system error, PCI problems?
May 29 14:42:30 magi kernel: uhci.c: e000: host controller halted. very bad
* using the line+modem under windows XP (on other box) - works like a charm
with uploads;
* using the line+modem on other box with my Linux - also works without problems;
* decreasing the latency for USB hub - even to 0 - didn't help.
I was not able to run tests on the same hardware with other OS - mostly
because I do not have them installed :)
Judging from the behaviour, I guess it can be some hardware problem with my
box. It's quite old K6-2 350 machine, with MVP3 chipset. What's more
important, during boot I get messages like:
May 29 14:49:14 magi kernel: PCI: Found IRQ 11 for device 00:07.2
May 29 14:49:14 magi kernel: IRQ routing conflict for 00:07.2, have irq 10, want irq 11
If anyone can help me in debugging this, I'd be very grateful.
Here are the relevant informations:
# lspci -vv | grep -A6 USB
0000:00:07.2 USB Controller: VIA Technologies, Inc. VT6202 [USB 2.0 controller] (rev
02) (prog-if 00 [UHCI])
Subsystem: VIA Technologies, Inc. (Wrong ID) USB Controller
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: 0x08 (32 bytes)
Interrupt: pin D routed to IRQ 10
Region 4: I/O ports at e000 [size=32]
# cat /proc/interrupts
CPU0
0: 152203 XT-PIC timer
1: 8050 XT-PIC keyboard
2: 0 XT-PIC cascade
4: 2739 XT-PIC serial
8: 4 XT-PIC rtc
10: 4373 XT-PIC usb-uhci
11: 49 XT-PIC eth0
14: 7141 XT-PIC ide0
15: 45 XT-PIC ide1
NMI: 0
ERR: 0
# cat /proc/net/atm/speedtch:0
Speed Touch 330 (usb-00:07.2-2)
MAC: 00:90:d0:b3:17:8e
AAL5: tx 902 ( 0 err ), rx 941 ( 0 err, 0 drop )
Line up, firmware loaded
[ from /proc/bus/usb/devices ]
T: Bus=01 Lev=01 Prnt=01 Port=01 Cnt=01 Dev#= 4 Spd=12 MxCh= 0
D: Ver= 1.10 Cls=ff(vend.) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=06b9 ProdID=4061 Rev= 2.00
S: Manufacturer=ALCATEL
S: Product=Speed Touch 330
KT.
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