Re: 2.6.17-mm5 -- netconsole failed to send full trace

From: Andrew Morton
Date: Wed Jul 05 2006 - 22:44:44 EST


On Wed, 5 Jul 2006 19:42:29 -0700
Andrew Morton <akpm@xxxxxxxx> wrote:

> On Wed, 5 Jul 2006 19:34:52 -0700
> "Miles Lane" <miles.lane@xxxxxxxxx> wrote:
>
> > On 7/5/06, Miles Lane <miles.lane@xxxxxxxxx> wrote:
> > > Hi Petko,
> > >
> > > David Brownell pointed out that you are the author of this driver (rtl8150).
> > > My laptop is crashing every time I remove the Linksys EtherFast 10/100
> > > Compact Network Adapter (model USB100M) from the USB port.
> > >
> > > Here's a link to the discussion thus far:
> > > http://groups.google.com/group/linux.kernel/tree/browse_frm/thread/8c93e310c7b71242/a8a1e3edb1601906?rnum=1&q=miles+lane&_done=%2Fgroup%2Flinux.kernel%2Fbrowse_frm%2Fthread%2F8c93e310c7b71242%2Fc8a8ba47c49c39fc%3Ftvc%3D1%26q%3Dmiles+lane%26#doc_a8a1e3edb1601906
> > >
> > > Here's the stacktrace:
> > > http://www.zip.com.au/~akpm/linux/patches/stuff/00003.jpg
> > >
> > > I have reproduced the bug with vanilla 2.6.17. I am currently working my
> > > back through kernel versions to try to isolate the responsible patches.
> >
> > 2.6.15 is the first kernel earliest kernel that seems to work with Ubuntu 6.06's
> > implementation of hal / udev / dbus. It does set up the adapter successfully.
> >
> > I was able to reproduce the crash with 2.6.15. I have attached a screenshot
> > of the stacktrace. It may help, since it differs quite a bit from the one for
> > 2.6.17-mm5.
>
> The attachment will be too large to make it onto most mailing lists. I put
> a copy here: http://www.zip.com.au/~akpm/linux/patches/stuff/00005.jpg
>
> > BTW, should I join linux-usb-devel and CC that list? Also, should I take
> > this discussion off of LKML?
>
> Nah, spread it around. Who knows, somoene might actually fix the bug ;)

I don't suppose it's this easy?

--- a/drivers/usb/net/rtl8150.c~a
+++ a/drivers/usb/net/rtl8150.c
@@ -909,6 +909,7 @@ static void rtl8150_disconnect(struct us
usb_set_intfdata(intf, NULL);
if (dev) {
set_bit(RTL8150_UNPLUG, &dev->flags);
+ tasklet_kill(&dev->tl);
tasklet_disable(&dev->tl);
unregister_netdev(dev->netdev);
unlink_all_urbs(dev);
_

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