Let me know when this issue settles, what changes you want in the umcs
kernel driver.
--HPS
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Hello, Hans.
You wrote 17 сентября 2013 г., 9:14:17:
HPS Check using usbdump -i usbusX -f Y -s 65536 -vvv
HPS what is going on. Maybe some USB transfers are returning zero length data
from the chip.
After closing port I disable all interrupts in chip, I've checked this (it
was my first
Bezüglich Hans Petter Selasky's Nachricht vom 17.09.2013 07:14
(localtime):
Hi,
Check using usbdump -i usbusX -f Y -s 65536 -vvv
what is going on. Maybe some USB transfers are returning zero length data
from the chip.
Thanks for your help!
I can't really read the numbers, but these 4
Hello, Hans.
You wrote 17 сентября 2013 г., 9:14:17:
HPS Check using usbdump -i usbusX -f Y -s 65536 -vvv
HPS what is going on. Maybe some USB transfers are returning zero length data
from the chip.
Ok, I got 500 irq/s here from my device, so, I have same problem, as
topicstarter. My usbdump
Bezüglich Lev Serebryakov's Nachricht vom 17.09.2013 10:44 (localtime):
Hello, Hans.
You wrote 17 сентября 2013 г., 9:14:17:
HPS Check using usbdump -i usbusX -f Y -s 65536 -vvv
HPS what is going on. Maybe some USB transfers are returning zero length
data from the chip.
Ok, I got 500
Hello, Harald.
You wrote 17 сентября 2013 г., 12:46:25:
HS The Y is the device addr @ bus #X.
Oh :)
HS Same posted some seconds ago :-)
Yep, exactly the same pattern.
--
// Black Lion AKA Lev Serebryakov l...@freebsd.org
___
On 09/17/13 10:47, Lev Serebryakov wrote:
Hello, Harald.
You wrote 17 сентября 2013 г., 12:46:25:
HS The Y is the device addr @ bus #X.
Oh :)
HS Same posted some seconds ago :-)
Yep, exactly the same pattern.
Hi,
Could you show the configuration descriptor for your device?
Bezüglich Hans Petter Selasky's Nachricht vom 17.09.2013 10:57
(localtime):
On 09/17/13 10:47, Lev Serebryakov wrote:
Hello, Harald.
You wrote 17 сентября 2013 г., 12:46:25:
HS The Y is the device addr @ bus #X.
Oh :)
HS Same posted some seconds ago :-)
Yep, exactly the same
On 09/17/13 11:06, Harald Schmalzbauer wrote:
Bezüglich Hans Petter Selasky's Nachricht vom 17.09.2013 10:57
(localtime):
On 09/17/13 10:47, Lev Serebryakov wrote:
Hello, Harald.
You wrote 17 сентября 2013 г., 12:46:25:
HS The Y is the device addr @ bus #X.
Oh :)
HS Same posted some
On Tue, 2013-09-17 at 17:38 +0200, Harald Schmalzbauer wrote:
Bezüglich Hans Petter Selasky's Nachricht vom 17.09.2013 11:24
(localtime):
On 09/17/13 11:06, Harald Schmalzbauer wrote:
...
Shall we switch to non-list-comm?
Hi,
That's OK.
Hmm, in my case, this
On 09/17/13 17:38, Harald Schmalzbauer wrote:
Bezüglich Hans Petter Selasky's Nachricht vom 17.09.2013 11:24
(localtime):
On 09/17/13 11:06, Harald Schmalzbauer wrote:
...
Shall we switch to non-list-comm?
Hi,
That's OK.
Hmm, in my case, this 4-port-serial-USB-hub will be used as
Bezüglich Hans Petter Selasky's Nachricht vom 17.09.2013 11:24
(localtime):
On 09/17/13 11:06, Harald Schmalzbauer wrote:
...
Shall we switch to non-list-comm?
Hi,
That's OK.
Hmm, in my case, this 4-port-serial-USB-hub will be used as console
concentrator. So most time it's doing
Bezüglich Lev Serebryakov's Nachricht vom 16.09.2013 23:37 (localtime):
...
To be honest, I didn't know much about USB at all, I wrote this driver
without complete understanding USB magic and use USB only as transport to
access MCS7840 registers...
Maybe, local USB Guru Hans Petter
Bezüglich Ian Lepore's Nachricht vom 17.09.2013 18:16 (localtime):
On Tue, 2013-09-17 at 17:38 +0200, Harald Schmalzbauer wrote:
...
Try this patch and see what happens:
==
--- umcs.c(revision 255492)
+++ umcs.c(local)
On Tue, 2013-09-17 at 19:32 +0200, Harald Schmalzbauer wrote:
Bezüglich Ian Lepore's Nachricht vom 17.09.2013 18:16 (localtime):
On Tue, 2013-09-17 at 17:38 +0200, Harald Schmalzbauer wrote:
...
Try this patch and see what happens:
Hello, Hans.
You wrote 17 сентября 2013 г., 20:04:58:
HPS I think the adapters use very small buffers. You can try adding
HPS .interval = 4 to the other USB configs, above the one you patched, and
HPS see what happens. I cannot tell if you will loose characters or not.
Datasheet promise 2x512
Hello, Hans.
You wrote 17 сентября 2013 г., 13:24:26:
HPS Try this patch and see what happens:
It could throttle interrupts, but it doesn't explain, why device spams with
interrupts when all ports are closed and all UART interrupts are disabled!
HPS BTW: I see that the umcs driver shouldn't do
Hello, Harald.
You wrote 17 сентября 2013 г., 21:43:17:
HS Is that worth a try?
HS
http://www.asix.com.tw/FrootAttach/driver/MCS7840_7820_FreeBSD_driver_v1.1.zip
Nope. I've started from this driver, and it even doesn't support BREAK
signal (it is was first reason why I start to write new one
On Tue, 2013-09-17 at 23:08 +0400, Lev Serebryakov wrote:
Hello, Harald.
You wrote 17 сентября 2013 г., 21:43:17:
HS Is that worth a try?
HS
http://www.asix.com.tw/FrootAttach/driver/MCS7840_7820_FreeBSD_driver_v1.1.zip
Nope. I've started from this driver, and it even doesn't support
Lev Serebryakov wrote this message on Tue, Sep 17, 2013 at 23:08 +0400:
Hello, Harald.
You wrote 17 2013 ??., 21:43:17:
HS Is that worth a try?
HS
http://www.asix.com.tw/FrootAttach/driver/MCS7840_7820_FreeBSD_driver_v1.1.zip
Nope. I've started from this driver, and it
Hello,
I have some of these 4-Port-Serial-USB-Hubs:
http://www.delock.com/produkte/F_673_USB---Seriell_87414/merkmale.html
They have the MosChip MCS7840 inside, wich also understands RS485/422
besides RS232.
FreeBSDs umcs(4) supports the RS232 mode with standard baudrates and
works with that
Hello, Harald.
You wrote 16 сентября 2013 г., 20:11:38:
HS I have some of these 4-Port-Serial-USB-Hubs:
HS http://www.delock.com/produkte/F_673_USB---Seriell_87414/merkmale.html
HS They have the MosChip MCS7840 inside, wich also understands RS485/422
HS besides RS232.
HS FreeBSDs umcs(4)
To: Harald Schmalzbauer h.schmalzba...@omnilan.de
mailto:h.schmalzba...@omnilan.de
Cc: FreeBSD Stable freebsd-stable@FreeBSD.org
mailto:freebsd-stable@FreeBSD.org ; freebsd-...@freebsd.org
mailto:freebsd-...@freebsd.org
Subject: Re: umcs (4-Port-USB-serial) triggering way too much ehci IRQs
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