From: Oliver Hartkopp <socketcan@hartkopp.net>
To: "Bernd Krumböck" <krumboeck@universalnet.at>
Cc: linux-can@vger.kernel.org, linux-usb@vger.kernel.org,
info@gerhard-bertelsmann.de, gediminas@8devices.com
Subject: Re: [PATCH v9] usb_8dev: Add support for USB2CAN interface from 8 devices
Date: Thu, 17 Jan 2013 22:16:14 +0100 [thread overview]
Message-ID: <50F86A1E.8010606@hartkopp.net> (raw)
In-Reply-To: <9efedd49790bb8df2952bf599424f9f9.squirrel@webmail.universalnet.at>
On 16.01.2013 09:07, "Bernd Krumböck" wrote:
> Hi Oliver!
>
>> When detaching the device from the CAN bus when sending/receiving CAN
>> traffic
>> i got these dmesg infos:
>>
>> [ 960.047130] usb_8dev 2-1.4:1.0 can2: Unknown status/error message (0)
>> [ 976.544343] usb_8dev 2-1.4:1.0 can2: Unknown status/error message (0)
>>
>
> Sorry, I can't do this sort of tests myself, because my second can device
> is an expensive device, without developer/test mode. ;-)
>
> Gerd helped me with the can tests so far. (Thank you!)
>
> The messages you see mean "Normal condition" and shouldn't be displayed.
> I'll fix them in the next version.
>
Here some more dmesg outputs:
[ 308.198354] ems_pcmcia 0.0 can0: setting BTR0=0x00 BTR1=0x14
[ 315.208555] can: raw protocol (rev 20120528)
[ 328.579107] usb 2-1.2: new full-speed USB device number 6 using ehci-pci
[ 328.673540] usb 2-1.2: New USB device found, idVendor=0483, idProduct=1234
[ 328.673548] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 328.673553] usb 2-1.2: Product: USB2CAN converter
[ 328.673557] usb 2-1.2: Manufacturer: edevices
[ 328.673561] usb 2-1.2: SerialNumber: ED000212
[ 328.708127] usb_8dev 2-1.2:1.0 can2: firmware: 1.4, hardware: 255.255
[ 328.708209] usbcore: registered new interface driver usb_8dev
[ 432.319047] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 439.522380] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 449.324727] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 574.442663] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 639.810998] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (39) <------------- CAN plug out / plug in ?
I correctly get an error message frame which is displayed by candump can2,0~0,#FFFFFFFF -e
Very nice.
But i think there's no additional kernel message needed for that.
[ 640.066949] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 643.669320] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 645.703327] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 659.652396] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 667.130633] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 682.904587] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (39) <------------- CAN plug out / plug in ?
[ 683.115139] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 692.402507] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 754.103247] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 813.887344] usb 2-1.4: new full-speed USB device number 7 using ehci-pci <------------- USB plug in of PEAK adapter
[ 813.985254] usb 2-1.4: New USB device found, idVendor=0c72, idProduct=000c
[ 813.985258] usb 2-1.4: New USB device strings: Mfr=0, Product=3, SerialNumber=0
[ 813.985261] usb 2-1.4: Product: VER1:PEAK
[ 813.985261] VER2:02.8.01
[ 813.985261] DAT :06.05.2004
[ 813.985261] TIME:09:35:37
[ 813.985261] ...
[ 814.007847] peak_usb 2-1.4:1.0: PEAK-System PCAN-USB adapter hwrev 28 serial FFFFFFFF (1 channel)
[ 814.008347] peak_usb 2-1.4:1.0 can3: attached to PCAN-USB channel 0 (device 37)
[ 814.008400] usbcore: registered new interface driver peak_usb
[ 836.196103] peak_usb 2-1.4:1.0 can3: setting BTR0=0x00 BTR1=0x14
[ 858.676730] usb_8dev 2-1.2:1.0 can2: couldn't find free context <------------- some 100% load tests
[ 900.211646] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 1007.075674] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 1007.083660] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 1012.947678] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 1012.947684] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 3542.360315] usb_8dev 2-1.2:1.0 can2: couldn't find free context
[ 3775.350727] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 4019.272711] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 4019.276510] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 4034.787824] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 4036.305381] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 4043.180064] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (39) <------------- CAN plug out / plug in ?
[ 4063.727159] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 4063.730771] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 4084.564526] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 4084.566509] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 4090.721503] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 4090.730468] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 4135.224318] usb_8dev 2-1.2:1.0 can2: Rx URB aborted (-32) <------------- USB plug out
[ 4135.224560] usb_8dev 2-1.2:1.0 can2: Rx URB aborted (-32)
[ 4135.224780] usb_8dev 2-1.2:1.0 can2: Rx URB aborted (-32)
[ 4135.225035] usb_8dev 2-1.2:1.0 can2: Rx URB aborted (-32)
[ 4135.225281] usb_8dev 2-1.2:1.0 can2: Rx URB aborted (-32)
[ 4135.225530] usb_8dev 2-1.2:1.0 can2: Rx URB aborted (-32)
(..)
[ 4135.449143] usb_8dev 2-1.2:1.0 can2: Rx URB aborted (-32)
[ 4135.449163] usb 2-1.2: USB disconnect, device number 6
[ 4135.449406] usb_8dev 2-1.2:1.0 can2: Rx URB aborted (-32)
[ 4135.450149] usb_8dev 2-1.2:1.0 can2: device disconnected
[ 4135.450223] usb_8dev 2-1.2:1.0 can2: sending command message failed
[ 4135.450226] usb_8dev 2-1.2:1.0 can2: couldn't stop device
[ 4509.018148] usb 2-1.2: new full-speed USB device number 8 using ehci-pci <------------- USB plug in
[ 4509.090027] usb 2-1.2: device descriptor read/64, error -32
[ 4509.265758] usb 2-1.2: device descriptor read/64, error -32
[ 4509.441420] usb 2-1.2: new full-speed USB device number 9 using ehci-pci
[ 4509.535892] usb 2-1.2: New USB device found, idVendor=0483, idProduct=1234
[ 4509.535900] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 4509.535905] usb 2-1.2: Product: USB2CAN converter
[ 4509.535909] usb 2-1.2: Manufacturer: edevices
[ 4509.535913] usb 2-1.2: SerialNumber: ED000212
[ 4509.538736] usb_8dev 2-1.2:1.0 can2: firmware: 1.4, hardware: 255.255
[ 5043.232674] usb_8dev 2-1.2:1.0 can2: Rx URB aborted (-32) <------------- USB plug out
[ 5043.232920] usb_8dev 2-1.2:1.0 can2: Rx URB aborted (-32)
[ 5043.233168] usb_8dev 2-1.2:1.0 can2: Rx URB aborted (-32)
[ 5043.233422] usb_8dev 2-1.2:1.0 can2: Rx URB aborted (-32)
[ 5043.233672] usb_8dev 2-1.2:1.0 can2: Rx URB aborted (-32)
(..)
[ 5043.450557] usb_8dev 2-1.2:1.0 can2: Rx URB aborted (-32)
[ 5043.450820] usb_8dev 2-1.2:1.0 can2: Rx URB aborted (-32)
[ 5043.451067] usb_8dev 2-1.2:1.0 can2: Rx URB aborted (-32)
[ 5043.451331] usb_8dev 2-1.2:1.0 can2: Rx URB aborted (-32)
[ 5043.451562] usb_8dev 2-1.2:1.0 can2: Rx URB aborted (-32)
[ 5043.451958] usb_8dev 2-1.2:1.0 can2: Rx URB aborted (-32)
[ 5043.452068] usb 2-1.2: USB disconnect, device number 9 <------------- ha ha ha - correct but pretty late %-]
[ 5043.452166] usb_8dev 2-1.2:1.0 can2: Rx URB aborted (-32)
[ 5043.452368] usb_8dev 2-1.2:1.0 can2: device disconnected
[ 5043.452388] usb_8dev 2-1.2:1.0 can2: sending command message failed
[ 5043.452391] usb_8dev 2-1.2:1.0 can2: couldn't stop device
[ 5045.693712] usb 2-1.2: new full-speed USB device number 10 using ehci-pci <------------- USB plug in - fast reconnect
[ 5045.765625] usb 2-1.2: device descriptor read/64, error -32
[ 5045.941158] usb 2-1.2: device descriptor read/64, error -32
[ 5046.116888] usb 2-1.2: new full-speed USB device number 11 using ehci-pci
[ 5046.211472] usb 2-1.2: New USB device found, idVendor=0483, idProduct=1234
[ 5046.211480] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 5046.211485] usb 2-1.2: Product: USB2CAN converter
[ 5046.211489] usb 2-1.2: Manufacturer: edevices
[ 5046.211493] usb 2-1.2: SerialNumber: ED000212
[ 5046.214561] usb_8dev 2-1.2:1.0 can2: firmware: 1.4, hardware: 255.255
[ 5079.471265] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 5094.652853] usb_8dev 2-1.2:1.0 can2: Unknown status/error message (0)
[ 5188.280220] usb_8dev 2-1.2:1.0 can2: couldn't find free context <------------- some 100% load tests
[ 5349.301144] usb_8dev 2-1.2:1.0 can2: couldn't find free context
[ 5508.561402] usb_8dev 2-1.2:1.0 can2: couldn't find free context
[ 5755.661129] usb_8dev 2-1.2:1.0 can2: couldn't find free context
[ 5786.781054] usb_8dev 2-1.2:1.0 can2: couldn't find free context <------------- (..)
[ 5822.180928] usb_8dev 2-1.2:1.0 can2: couldn't find free context
[ 5827.850885] usb_8dev 2-1.2:1.0 can2: couldn't find free context
[ 5891.685618] usb_8dev 2-1.2:1.0 can2: couldn't find free context
[ 5930.230438] usb_8dev 2-1.2:1.0 can2: couldn't find free context <------------- some 100% load tests
[ 5941.577933] peak_usb 2-1.4:1.0 can3: Rx urb aborted (-32)
[ 5941.743693] usb 2-1.2: USB disconnect, device number 11
[ 5941.744096] usb_8dev 2-1.2:1.0 can2: device disconnected
[ 5941.744121] usb_8dev 2-1.2:1.0 can2: sending command message failed
[ 5941.744124] usb_8dev 2-1.2:1.0 can2: couldn't stop device
Finally disconnecting the USB and the CAN bus - even under moderate CAN traffic conditions genereates this output.
FYI: My laptop never crashed during these tests :-)
I forgot to check the other USB CAN adapters for comparison.
Will do tomorrow.
Regards,
Oliver
next prev parent reply other threads:[~2013-01-17 21:16 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-12-16 7:01 [PATCH v9] usb_8dev: Add support for USB2CAN interface from 8 devices Bernd Krumboeck
[not found] ` <1355641315-15739-1-git-send-email-krumboeck-Hi41barv6paIERSsAYjmKA@public.gmane.org>
2013-01-14 20:59 ` Oliver Hartkopp
2013-01-15 20:23 ` Marc Kleine-Budde
[not found] ` <50F5BAB3.3090902-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
2013-01-15 20:30 ` Oliver Hartkopp
2013-01-15 20:40 ` Marc Kleine-Budde
[not found] ` <50F471AC.50902-fJ+pQTUTwRTk1uMJSBkQmQ@public.gmane.org>
2013-01-15 22:05 ` "Bernd Krumböck"
[not found] ` <ae58b62ae76e6261e66774c458012a87.squirrel-2RFepEojUI0eLjVtqu/qlogRFKwBiOYo@public.gmane.org>
2013-01-16 6:13 ` Oliver Hartkopp
2013-01-16 7:51 ` "Bernd Krumböck"
2013-01-16 8:07 ` "Bernd Krumböck"
2013-01-17 21:16 ` Oliver Hartkopp [this message]
2013-01-18 19:55 ` Oliver Hartkopp
2013-01-19 6:36 ` "Bernd Krumböck"
-- strict thread matches above, loose matches on Subject: below --
2013-01-18 14:31 "Bernd Krumböck"
2013-01-18 19:47 ` Oliver Hartkopp
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