Re: 2.4, b44 transmit timeout

[Pekka Pietikainen]

On Tue, Sep 02, 2003 at 09:33:53AM +0200, Norbert Preining wrote:
> * pinging the gateway (.1.1), working
> Sep  2 09:20:22 gandalf vmunix: b44_start_xmit ctrl: e000002a addr: 5cea5d82 entry: 0 skb: d935b480
> Sep  2 09:20:22 gandalf vmunix: b44_tx cons: 0 cur: 1 skb: d935b480
> Sep  2 09:20:22 gandalf vmunix: b44_start_xmit ctrl: e0000062 addr: 5f982982 entry: 1 skb: d935b680
> Sep  2 09:20:22 gandalf vmunix: b44_tx cons: 1 cur: 2 skb: d935b680
> Sep  2 09:20:23 gandalf vmunix: b44_start_xmit ctrl: e0000062 addr: 5f982682 entry: 2 skb: d935b480
> Sep  2 09:20:23 gandalf vmunix: b44_tx cons: 2 cur: 3 skb: d935b480
> Sep  2 09:20:24 gandalf vmunix: b44_start_xmit ctrl: e0000062 addr: 5f982682 entry: 3 skb: d935b480
> Sep  2 09:20:24 gandalf vmunix: b44_tx cons: 3 cur: 4 skb: d935b480
> Sep  2 09:20:25 gandalf vmunix: b44_start_xmit ctrl: e0000062 addr: 5f982982 entry: 4 skb: d935b480
> Sep  2 09:20:25 gandalf vmunix: b44_tx cons: 4 cur: 5 skb: d935b480
> Sep  2 09:20:26 gandalf vmunix: b44_start_xmit ctrl: e0000062 addr: 5f982682 entry: 5 skb: d935b480
> Sep  2 09:20:26 gandalf vmunix: b44_tx cons: 5 cur: 6 skb: d935b480
> Sep  2 09:20:27 gandalf vmunix: b44_start_xmit ctrl: e000002a addr: 5cea5082 entry: 6 skb: d935ba80
> Sep  2 09:20:27 gandalf vmunix: b44_tx cons: 6 cur: 7 skb: d935ba80
> Sep  2 09:20:27 gandalf kernel: b44_start_xmit ctrl: e0000062 addr: 5f982982 entry: 7 skb: d935ba80
> Sep  2 09:20:27 gandalf kernel: b44_tx cons: 7 cur: 8 skb: d935ba80
> Sep  2 09:20:28 gandalf kernel: b44_start_xmit ctrl: e0000062 addr: 5f982682 entry: 8 skb: d935b480
> Sep  2 09:20:28 gandalf kernel: b44_tx cons: 8 cur: 9 skb: d935b480
> Sep  2 09:20:29 gandalf kernel: b44_start_xmit ctrl: e0000062 addr: 5f982982 entry: 9 skb: d935b480
> Sep  2 09:20:29 gandalf kernel: b44_tx cons: 9 cur: 10 skb: d935b480
> * stopping ping, ifconfig eth0 down, starting pump for getting dhcp
> * address, no success!
> Sep  2 09:20:41 gandalf pumpd[7584]: starting at (uptime 0 days, 2:04:19) Tue Sep  2 09:20:41 2003  
> Sep  2 09:20:41 gandalf pumpd[7584]: PUMP: sending discover 
> Sep  2 09:20:44 gandalf vmunix: b44: eth0: Link is up at 100 Mbps, full duplex.
> Sep  2 09:20:44 gandalf vmunix: b44: eth0: Flow control is on for TX and on for RX.
A-ha! Thanks, I think this should be enough to figure out what the problem
is... Looks like the driver doesn't even get the packets pump tries to send,
pump is a bit special in the way it bounces the interface up and down when
doing its work, that probably triggers a race in b44..

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