Re: [stable] [PATCH] iwlwifi: recalculate average tpt if not current

[Greg KH <greg@kroah.com>]

On Fri, Jun 04, 2010 at 02:03:28PM -0400, John W. Linville wrote:
> On Fri, Jun 04, 2010 at 06:32:18PM +0200, Nils Radtke wrote:
> >   Hi John,
> > 
> > http://marc.info/?l=linux-wireless&m=127317062320707&w=2 :
> > > > > The BUG_ON was introduced by:
> > > > > commit 3110bef78cb4282c58245bc8fd6d95d9ccb19749
> > > > > Author: Guy Cohen <guy.cohen@intel.com>
> > > > > Date:   Tue Sep 9 10:54:54 2008 +0800
> > > > > 
> > > > >     iwlwifi: Added support for 3 antennas
> > > > > 
> > > > > ... the portion adding the BUG_ON is reverted since we are encountering the error
> > > > > and BUG_ON was created with assumption that error is not encountered.
> > > > > 
> > > > > Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
> > > > > ---
> > > > 
> > > > I noticed this patch in your wireless-next-2.6 pull request. Since it is
> > > > addressing a system hang issue, could it perhaps be included in
> > > > wireless-2.6 also? I should have included the bug report reference for
> > > > this purpose, sorry ... it is
> > > > https://bugzilla.redhat.com/show_bug.cgi?id=588021
> > > 
> > > I didn't send it that way because a) that code has been there for a
> > > really long time; and b) the reporter couldn't reliably reproduce
> > > the bug and therefore can't reliably test the fix.  While I agree
> > > that the fix looks harmless, no update is zero-risk.
> > > 
> > > Can you reliably hit that code?  Has it been tested enough that we
> > > should risk holding-up 2.6.34's release for it?
> > I'm one of those _very reliably_ hitting this BUG. I can tell how 
> > annoying it is. I have to backport the patch w/ every kernel release
> > to be able to use the wireless link _at all_. So please consider
> > it as somewhat urgent to get the patch included. 
> > 
> > I'm still in contact w/ Reinette regularly to get those problems fixed.
> > It involves physically moving around the city for testing any modification
> > so this working is slowly processing as it takes every time an enormous 
> > amount of time to do so. Work in (slow) progress, but it's alive..
> > C.f. http://permalink.gmane.org/gmane.linux.kernel/992941
> > 
> > BTW, https://bugzilla.redhat.com/show_bug.cgi?id=588021 this isn't fixed.
> > Maybe RH did fix it. kernel.org sources haven't. This is a blocker ever 
> > since.
> 
> The patch is in linux-2.6.  I suppose it could go to stable@kernel.org.

Now queued up, thanks.

greg k-h