AnyDATA ADU-500A speed/stalled/panic

[Andrey Merkulov]

+ 1
I have absolutely same problem № 3,  when use EV-DO mode (high speed).
My device is USB CDMA Ubiquam U-300

kernel modules:
ucom
umodem
uplcom


On Fri, 11 Jul 2008 16:53:06 +0300
"Alexander Kozlov" <synthetic.youth at gmail.com> wrote:

>    Hi.
> 
> I have some problems with USB CDMA modem AnyDATA ADU-500A.
> I'm running FreeBSD 7.0 RELEASE rebuilt with GENERIC conf and patch to
> recognize this modem. I took patch from
> http://www.freebsd.org/cgi/query-pr.cgi?pr=118479
> 
> Device is recognized as
> ucom0: <AnyDATA Corporation AnyDATA CDMA Products, class 0/0, rev
> 1.10/0.00, addr 2> on uhub1
> 
> 1. The first issue is 'ucom0: ubsa_request: STALLED' messages.
> 
> I have these messaged when dailing with ppp
> ucom0: ubsa_request: STALLED
> ucom0: ubsa_request: STALLED
> ucom0: ubsa_request: STALLED
> ucom0: ubsa_request: STALLED
> ucom0: ubsa_request: STALLED
> ucom0: ubsa_request: STALLED
> ucom0: ubsa_request: STALLED
> 
> But I have device connected to internet. A lot of such messages I got
> when notebook is idle for some time.
> 
> 2. Second is speed issue. I never get more than 29 KByte/sec. But at
> Windows XP SP3 and Ubuntu 8.04 I have up to 100 KByte/sec. As far as I
> know this is the limit for my location.
> I managed to have 100 KByte by patching ubsa.c: tuning ibuzsize and
> obufsize. I partially applied patch from
> http://lists.freebsd.org/pipermail/freebsd-usb/2008-January/004298.html
> 
> Is this correct way to resolve speed issue?
> 
> 3. Third and most painfull is system crash. It happens when device is
> used by several apps or when downloading at high speed. I got
> 
> kernel: panic: uhci_abort_xfer: not in process context
> 
> Panic happens and without speed issue patch. Crashes never happen when
> device is idle and there's no internet traffic.
> 
> I' sure this device has no hardware issues because it works well at
> Windows and Ubuntu. I can provide any information you need. I'm newbie
> to FreeBSD and unix world but have some skill at C/C++ programming. I
> want to have this device working under FreeBSD and ready to spend as
> much time as needed.
> 
> Thank you in advance, and sorry for mangled english.
> _______________________________________________
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-- 
честь имею быть
ваш нижайший и покорнейший слуга
Андрей Меркулов mailto:merao at udm.ru