2015-07-07 14:28 GMT+03:00 Evgen Druzhynin evgen.druzhy...@gmail.com:
2015-07-07 14:06 GMT+03:00 Johan Hovold jo...@kernel.org:
I'll try to find exact kernel version where issue was introduced ASAP.
Hi all,
Root cause is chinese Arduino board (ID 1a86:7523 QinHeng Electronics
HL-340 USB-Serial
On Mon, Jul 06, 2015 at 03:24:17PM +0200, Peter Stuge wrote:
Unrelated, but I also have some ch341 hardware, and mine does not
work with the mainline driver, it does however work reliably with the
vendor driver.
The two drivers initialize the hardware fairly differently,
especially the
2015-07-07 14:06 GMT+03:00 Johan Hovold jo...@kernel.org:
Ok, so it looks like a regression between 3.18 and 4.0.
Could you try v3.19 and then run a bisect on either v3.18..v3.19 or
v3.19..v4.0 depending on the result?
Please verify that v3.18 works and v4.0 fails. Specifically, do not use
[ Please try to avoid top-posting. ]
On Tue, Jul 07, 2015 at 01:26:33PM +0300, Evgen Druzhynin wrote:
Sorry for misunderstanding, I've tested the behavior of Arduino board
on 2 machines and the result is following:
PASSED - Arduino board was connected successfully
FAILED - ch341 errors
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Johan Hovold jo...@kernel.org wrote:
On Mon, Jul 06, 2015 at 03:24:17PM +0200, Peter Stuge wrote:
Unrelated, but I also have some ch341 hardware, and mine does not
work with the mainline driver, it does however work reliably with the
vendor
Sorry for misunderstanding, I've tested the behavior of Arduino board
on 2 machines and the result is following:
PASSED - Arduino board was connected successfully
FAILED - ch341 errors arose
1st machine [USB 3.0] -- Linux 3.18 -- PASSED
1st machine [USB 3.0] -- Linux 4.* -- FAILED
2nd machine
Sorry for misunderstanding, I've tested the behavior of Arduino board
on 2 machines and the result is following:
PASSED - Arduino board connected successfully
FAILED - ch341 errors arose
1st machine [USB 3.0] -- Linux 3.18 -- PASSED
1st machine [USB 3.0] -- Linux 4.* -- FAILED
2nd machine [USB
On Sat, Jul 04, 2015 at 08:03:57PM +0300, Evgen Druzhynin wrote:
[1.] One line summary of the problem:
ch341 module fails on 4.1.1 kernel
[2.] Full description of the problem/report:
It's not possible to work with Arduino board after installing 4.1.1.
ch341 fails and does not create
[1.] One line summary of the problem:
ch341 module fails on 4.1.1 kernel
[2.] Full description of the problem/report:
It's not possible to work with Arduino board after installing 4.1.1.
ch341 fails and does not create /dev/ttyUSB0 (or /dev/ttyACM0) entry.
On 3.18 and 4.0.0 all was ok.
[3.]
