Re: 2.6.17-rc5-mm3

[Mel Gorman]

On Mon, 5 Jun 2006, Andrew Morton wrote:

> On Mon, 5 Jun 2006 18:56:37 +0100
> mel@xxxxxxxxx (Mel Gorman) wrote:
>
> > I am seeing more networking-related funniness with 2.6.17-rc5-mm3 on the
> > same machine previously fixed by git-net-llc-fix.patch. The console log is
> > below. I've done no investigation work in case it's a known problem.
>
> It's not a known problem, afaik.
>
> > ...
> > Starting anacron: [  OK  ]
> > Starting atd: [  OK  ]
> > Starting Avahi daemon: [  OK  ]
> > Starting cups-config-daemon: [  OK  ]
> > Starting HAL daemon: [  OK  ]
> > Fedora Core release 5 (Bordeaux)
> > Kernel 2.6.17-rc5-mm2-autokern1 on an x86_64
> > bl6-13.ltc.austin.ibm.com login: -- 0:conmux-control -- time-stamp -- Jun/05/06 10:47:46 --
> > -- 0:conmux-control -- time-stamp -- Jun/05/06 10:51:12 --
> > BUG: warning at include/net/dst.h:153/dst_release()
> > Call Trace:
> >  <IRQ> [<ffffffff81228274>] __kfree_skb+0x3c/0xbd
> >  [<ffffffff81199568>] tg3_poll+0x1a1/0x94f
> >  [<ffffffff8122d80c>] net_rx_action+0xac/0x160
> >  [<ffffffff81037904>] __do_softirq+0x48/0xb4
> >  [<ffffffff8100a496>] call_softirq+0x1e/0x28
> >  [<ffffffff8100b84e>] do_softirq+0x2c/0x7e
> >  [<ffffffff8100b6c8>] do_IRQ+0x50/0x59
> >  [<ffffffff81007807>] default_idle+0x0/0x54
> >  [<ffffffff810097b8>] ret_from_intr+0x0/0xb
> >  <EOI>
> > Attempt to release alive inet socket ffff81003f8b2780
> > BUG: warning at include/net/dst.h:153/dst_release()
> > Call Trace:
> >  <IRQ> [<ffffffff81228274>] __kfree_skb+0x3c/0xbd
> >  [<ffffffff81268fc4>] icmp_rcv+0x17c/0x184
> >  [<ffffffff812484ca>] ip_local_deliver+0xfe/0x1bf
> >  [<ffffffff812489bf>] ip_rcv+0x434/0x475
> >  [<ffffffff8122d615>] netif_receive_skb+0x2c6/0x2e5
> >  [<ffffffff81199add>] tg3_poll+0x716/0x94f
> >  [<ffffffff8122d80c>] net_rx_action+0xac/0x160<7>Losing some ticks... checking if CPU frequency changed.
> >  [<ffffffff81037904>] __do_softirq+0x48/0xb4
> >  [<ffffffff8100a496>] call_softirq+0x1e/0x28
> >  [<ffffffff8100b84e>] do_softirq+0x2c/0x7e
> >  [<ffffffff8100b6c8>] do_IRQ+0x50/0x59
> >  [<ffffffff81007807>] default_idle+0x0/0x54
> >  [<ffffffff810097b8>] ret_from_intr+0x0/0xb
>
> There are quite a few changes in the net tree.  I guess the first thing to
> investigate would be 2.6.17-rc5+origin.patch+git-net.patch.

That survived long enough to build a kernel, but backing out git-net on 
top of mm like I did for the LLC bug also survived. Not sure what is going 
on.

--
Mel Gorman
Part-time Phd Student                          Linux Technology Center
University of Limerick                         IBM Dublin Software Lab
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