Re: [PATCH] fix ACK processing after netlink_dump_start

2007-10-23 Thread Joseph Fannin
On Tue, Oct 23, 2007 at 06:40:23PM +0400, Denis V. Lunev wrote:
> Revert to original netlink behavior. Do not reply with ACK if the
> netlink dump has bees successfully started.
>
> libnl has been broken by the cd40b7d3983c708aabe3d3008ec64ffce56d33b0
> The following command reproduce the problem:
>/nl-route-get 192.168.1.1
>
> Signed-off-by: Denis V. Lunev <[EMAIL PROTECTED]>

Network Manager works correctly here with this patch applied against
Linus's current -git.

(Sorry for the lack of response before -- I think I forgot to ask to
be CC'd on replies, and found the discussion of this in archives
only this morning.)

--
Joseph Fannin
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Regression in current git - Network Manager fails (bisected)

2007-10-21 Thread Joseph Fannin
Network Manager (the freedesktop.org one) fails to work with Linus's
current git on a couple of different boxes I have here.  All the boxes
have different NIC types, with different drivers.

I've bisected it down to cd40b7d3983c708aabe3d3008ec64ffce56d33b0 ,
"[NET]: make netlink user -> kernel interface synchronious".  I've
double checked this by testing the kernel as of the immediately
previous commit; Network Manager works with that one, as it did on all
my machines in 2.6.23-mm1.

The netlink change seems to confuse N-M, and it somehow decides that
there's no link beat, so doesn't try to bring up the interface.  If I
run "ifconfig eth0 up", N-M will decide there's a carrier after all
and takes over.  Ethtool detects the link state correctly even with
the interface down.

If I down the interface again with ifconfig, N-M brings it right back
up without a problem, but if I kill N-M, it'll down the interface
before it exits, and fail in the same way as before when restarted.

N-M also emits this error:

"-- Error: Invalid message: type=DONE length=20 flags= 
sequence-nr=1193012574 pid=1185943630"

...which it doesn't do on kernels where it works normally.
strace'ing NetworkManager shows that it prints that message just after
talking over a netlink socket.

Networking otherwise works fine here with the latest git and N-M, if I
use the ifconfig "trick" to get the link up.

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Joseph Fannin
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Re: bcm43xx regression 2.6.19rc3 -> rc5, rtnl_lock trouble?

2006-11-18 Thread Joseph Fannin
On Wed, Nov 15, 2006 at 11:01:00AM -0800, Ray Lee wrote:

> I've come back to my laptop being mostly dead after hours of it being off on
> its own (twice now). Mostly dead meaning the keyboard is nearly
> non-responsive, but the mouse works great (I'm in X, of course). I say 'nearly
> dead' as sysrq-t,b works, so I'm sorta stumped there. (x-session seems to use
> netlink, so perhaps that's the connection? ctrl-alt-f[1-7] don't do anything,
> however.)

This sounds like what my laptop was doing in -rc5, though mine
didn't take hours to start acting up.

I *think* it was the MSI troubles, causing interrupts to get
lost forever.  Anyway, it went away in -rc6.

I don't have the broadcom hardware.

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Joseph Fannin
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