Hi,
I just acquired one of these cards, it attaches as a USB cardbus device.
This is just to say that I can reproduce the problem described here:
http://www.rinta-aho.org/docs/option3g/option.html
The driver support was originally committed here:
http://www.freebsd.org/cgi/query-pr.cgi?pr=112161&cat
...the ubsa driver attaches to the virtual modem port.
If I unplug it, the kernel panics.
The panic is in kobj_delete() (a null pointer reference) and it's on the
usb detach path. Unfortunately I wasn't able to get a backtrace this
time around.
PS Does anybody know if ubsa will be ported to the new USB driver framework?
cheers
BMS
Hi, Bruce M Simpson wrote:> Hi, > > I just acquired one of these cards, it attaches as a USB cardbus device.I have similar problems with Huawei E630, and not just me http://lists.freebsd.org/pipermail/freebsd-current/2007-June/073405.html Panics are fixed with usb4bsd ... :) I didn't find time to get the card actually working and receive a lot of those: ubsa_cfg_request: device request failed, err=USBD_ERR_STALLED (ignored)> > This is just to say that I can reproduce the problem described here: > http://www.rinta-aho.org/docs/option3g/option.html > > The driver support was originally committed here: > http://www.freebsd.org/cgi/query-pr.cgi?pr=112161&cat> > ...the ubsa driver attaches to the virtual modem port. > > If I unplug it, the kernel panics. > > The panic is in kobj_delete() (a null pointer reference) and it's on > the usb detach path. Unfortunately I wasn't able to get a backtrace > this time around. > > PS Does anybody know if ubsa will be ported to the new USB driver > framework?I think it is because ubsa works with usb4bsd and it's basically the same?> > cheers > BMS > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org"-- Best Wishes, Stefan Lambrev ICQ# 24134177
Bruce M Simpson wrote:
> I just acquired one of these cards, it attaches as a USB cardbus device.
> [...]
> If I unplug it, the kernel panics.
That's expected and a known problem. The card contains
an OHCI controller, but the ohci(4) driver doesn't support
detaching. I think that's also the reason why you have
to compile ohci statically in your kernel, there's no
module for it.
Solution: Don't unplug the card.
The problem is supposed to be fixed with usb4bsd, but I
haven't tried it myself.
Best regards
Oliver
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