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Date:      Mon, 31 Jul 2006 23:57:18 +0200
From:      "Pascal G. Hofstee" <caelian@gmail.com>
To:        Hans Petter Selasky <hselasky@c2i.net>
Cc:        freebsd-gnats-submit@freebsd.org, freebsd-usb@freebsd.org
Subject:   Re: usb/101096: USB WLAN occasionally causes kernel-panics during large downloads
Message-ID:  <1154383043.2466.3.camel@chekov.ufp.fli4l>
In-Reply-To: <200607311632.56603.hselasky@c2i.net>
References:  <200607311318.k6VDIoGN001645@www.freebsd.org> <200607311632.56603.hselasky@c2i.net>

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On Mon, 2006-07-31 at 16:32 +0200, Hans Petter Selasky wrote:
> Hi,
> 
> I think the new "if_ural" has this problem fixed, and a couple of others. 
> Could you have tried the following:
> 
> I recommend that you fetch all files from SVN. The SVN port is available from 
> /usr/ports/devel/subversion . After Subversion is installed you run:
> 
> svn --username anonsvn --password anonsvn checkout svn://svn.turbocat.net/i4b
> 
> cd i4b/trunk/i4b/FreeBSD.usb
> 
> make S=../src package
> make install
> 
> Follow the "make help" instructions.
> 
> It might be a good idea to build all kernel modules.
> 
> Before you build the kernel copy the following files into 
> "/usr/src/sys/dev/usb/":
> 
> i4b/trunk/i4b/src/sys/dev/usb/if_ural.c
> i4b/trunk/i4b/src/sys/dev/usb/if_uralreg.h
> i4b/trunk/i4b/src/sys/dev/usb/if_uralvar.h
> 
> NOTE: the kernel build will most likely fail, unless you are using 
> FreeBSD-7-current. If it fails because there are missing product ID defines, 
> then just remove these lines from the "ural_devs" structure in "if_ural.c". If 
> it fails because "IEEE80211_FEXT_SWBMISS" is not defined, then change the 
> failing code to something like this:
> 
> #ifdef IEEE80211_FEXT_SWBMISS
>         /* enable SW bmiss handling in sta mode */
>         ic->ic_flags_ext |= IEEE80211_FEXT_SWBMISS;
> #endif
> 
> Else please report the error, if you cannot resolve it.

Well .. i had already updated my source-tree to RELENG_6 so i decided to
follow the instructions provided and built/installed world and kernel
entirely and am now on 6.1-STABLE.

The kernel did build without problems ... however upon booting the new
kernel i now get boatloads of acpi failure messages

acpi: bad write to port 0xcf8 (32), val 0x80002084
acpi: bad read from port 0xcfc (32)

The system does come up fully multi-user and appears to work normally
though. I'll keep an eye out to see if the kernel panics are now
resolved.

-- 
  Pascal Hofstee





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