lkml.org 
[lkml]   [2008]   [Feb]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    SubjectRe: [Rt2400-devel] 2.6.25-rc2 regression in rt61pci wireless driver
    From
    Date

    On Wed, 2008-02-20 at 11:05 -0500, Dan Williams wrote:
    > On Tue, 2008-02-19 at 23:04 +0000, Chris Vine wrote:
    > > On Tue, 2008-02-19 at 20:46 +0100, Ivo van Doorn wrote:
    > > > Hi,
    > > >
    > > > [added rt2400-devel (rt2x00 development mailinglist) to the CC list.]
    > > >
    > > > > > > > I have a series of tests I would like to request from you,
    > > > > > > > you mentioned you already enabled debugfs, and that is just what we need. ;)
    > > > > > > > Please use attached script to create dumps of the hardware register contents.
    > > > > > > >
    > > > > > > > There are specific moments that should be dumped:
    > > > > > > > - kernel 2.6.24 (last known working version for you).
    > > > > > > > - kernel 2.6.25-rc2 (after ifup, before TX dies)
    > > > > > > > - kernel 2.6.25-rc2 (after ifup, after TX dies)
    > > > > > > >
    > > > > > >
    > > > > > > These diagnostics are attached, with obvious filenames.
    > > > > >
    > > > > > Thanks. I think I found something, please test below patch:
    > > > > >
    > > > >
    > > > > I've tried the patch but, unfortunately, my wireless LAN still dies after a few pings.
    > >
    > > rt2x00 2.0.14 is broken with my rt73 stick in the vanilla 2.6.25-rc2
    > > kernel (not wireless-2.6/rt2x00 git). The modules load when I plug the
    > > stick in but I then get a complete kernel lock up with two flashing
    > > leds. Nothing is recorded to system logs. The last logged messages are
    > > that usbcore has registered new interface driver rt73usb, and that the
    > > rate control algorithm has been selected on phy0. This happens whether
    > > the simple or pid mac80211 rate control algorithms have been chosen.
    > >
    > > This is a shame because 2.0.14 was working really well for me until the
    > > mac80211 changes 2 or 3 weeks ago broke it. (Shortly followed by the
    > > release of 2.1.*).
    >
    > Switch to a VT with Ctl+Alt+1, then plug the stick in, and take a
    > picture of the panic if one shows up. _Something_ should show up on the
    > VT.

    I did that yesterday and it just reported a kernel panic on the terminal
    with the message:

    Kernel panic - not syncing: Aiee, killing interrupt handler!

    There is a complete lock up. Even the two leds don't send a dump in
    morse code (if that is still a feature of the 2.6 kernels). They just
    flash together at 1 second intervals.

    However, I do not have debugging enabled on 2.6.25-rc2 (I was just
    interested to see how it worked). If it is thought to be useful I can
    recompile the kernel with debugging enabled, but this should be
    reproducible by anyone with a rt73 stick.

    By way of a further data point, I can scan OK using 2.6.25-rc2 and it
    will report all the available access points in my area. But as soon as
    association is attempted, it blows up.

    Chris




    \
     
     \ /
      Last update: 2008-02-20 21:35    [W:4.865 / U:0.288 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site