Date: Thu, 1 Nov 2018 20:01:36 -0400 From: Mike Andrews <mandrews@bit0.com> To: "Andrey V. Elsukov" <bu7cher@yandex.ru>, Hans Petter Selasky <hps@selasky.org> Cc: freebsd-usb@freebsd.org Subject: Re: umodem0, Cisco USB serial console, and quirks Message-ID: <18d57cbe-1235-aedf-45e6-e36b495ca1eb@bit0.com> In-Reply-To: <33f3a1f8-69d1-9240-6381-8a851beb97d0@yandex.ru> References: <alpine.BSF.2.21.1709191021260.34953@beast.int.bit0.com> <d9dbef0b-c22e-c7ea-34a2-f36e9e768745@selasky.org> <alpine.BSF.2.21.1709191205280.1218@beast.int.bit0.com> <0c4022f3-bd21-49b5-cadd-daeb9f1f3081@selasky.org> <alpine.BSF.2.21.1709262210180.33243@beast.int.bit0.com> <33f3a1f8-69d1-9240-6381-8a851beb97d0@yandex.ru>
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On 11/1/18 4:59 PM, Andrey V. Elsukov wrote: > On 27.09.2017 05:11, Mike Andrews wrote: >>> This is the USB read transfer. The other side is not returning any >>> data, so neither is "cu" printing anything. Maybe you can try to get a >>> similar trace from the system where it works? >>> >>> Looks to me like some kind of protocol error, that the Cisco USB >>> serial console needs some kind of activation. >> Took me a few days to get around to getting usbmon going on Linux. The >> verbose dump is too large for the list, so: >> >> https://www.bit0.com/tmp/usbmon-ciscoasa-verbose.txt >> https://www.bit0.com/tmp/usbmon-ciscoasa.txt > Hi, > > did you find some solution? It seems this device still doesn't work with > recent FreeBSD. > I found how it should work on linux: > https://community.cisco.com/t5/network-architecture-documents/cisco-console-connection-via-usb-serial/ta-p/3163540 > > And it seems in Linux it is handled by generic CDC ACM driver without > any quirks. So, I think the problem is with our umodem(4) or ucom(4) > driver. > No, I didn't. The usbmon dumps above are still there, and if someone can suggest anything else I can do to help, lemme know.
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