On Wed, Feb 01, 2006 at 01:08:33PM -0500, Dave Jones wrote:
> I managed to get a box running 2.6.16rc1-git4 to spit this out..
>
> Dave
>
> UDP: bad checksum. From 192.168.79.115:43047 to 192.168.76.106:61494 ulen
> 1083
> Badness in dst_release at include/net/dst.h:154 (Not tainted)
> [<c029d580>] __kfree_skb+0x36/0xdd
> [<c02ba807>] ip_frag_destroy+0xe2/0x101 [<c02ba8d9>]
> ip_defrag+0xb3/0xad1
> [<c015fa47>] cache_alloc_debugcheck_after+0xc1/0xf9 [<c02ba315>]
> ip_local_deliver+0x1f/0x1fe
> [<c02ba27f>] ip_rcv+0x401/0x478 [<c02a0d70>]
> netif_receive_skb+0x211/0x259
> [<c02a2283>] process_backlog+0x7a/0x100 [<c02a23a2>]
> net_rx_action+0x99/0x170
> [<c0127ac8>] __do_softirq+0x58/0xc2 [<c0105f03>] do_softirq+0x46/0x4e
> =======================
> [<c01047f4>] apic_timer_interrupt+0x1c/0x24 [<c0102db1>]
> default_idle+0x0/0x55
> [<c0102ddd>] default_idle+0x2c/0x55 [<c0102e95>] cpu_idle+0x8f/0xa8
> [<c03ce684>] start_kernel+0x301/0x307 <4>printk: 267 messages suppressed.
Here's a second flavour.
Badness in dst_release at include/net/dst.h:154 (Not tainted)
[<c029d580>] __kfree_skb+0x36/0xdd [<c02ba2eb>] ip_rcv+0x46d/0x478
[<c02a0d70>] netif_receive_skb+0x211/0x259 [<c02a2283>]
process_backlog+0x7a/0x100
[<c02a23a2>] net_rx_action+0x99/0x170 [<c0127ac8>] __do_softirq+0x58/0xc2
[<c0105f03>] do_softirq+0x46/0x4e <0> =======================
[<c0105eb4>] do_IRQ+0x72/0x7b
[<c0104766>] common_interrupt+0x1a/0x20 [<c0102db1>] default_idle+0x0/0x55
[<c0102ddd>] default_idle+0x2c/0x55 [<c0102e95>] cpu_idle+0x8f/0xa8
[<c03ce684>] start_kernel+0x301/0x307 Badness in dst_release at
include/net/dst.h:154 (Not tainted)
[<c029d580>] __kfree_skb+0x36/0xdd
[<c02ba807>] ip_frag_destroy+0xe2/0x101 [<c02ba8d9>] ip_defrag+0xb3/0xad1
[<c015fa47>] cache_alloc_debugcheck_after+0xc1/0xf9 [<c02ba315>]
ip_local_deliver+0x1f/0x1fe
[<c02ba27f>] ip_rcv+0x401/0x478 [<c02a0d70>] netif_receive_skb+0x211/0x259
[<c02a2283>] process_backlog+0x7a/0x100 [<c02a23a2>]
net_rx_action+0x99/0x170
[<c0127ac8>] __do_softirq+0x58/0xc2 [<c0105f03>] do_softirq+0x46/0x4e
These are incredibly easy to trigger with 'isic' for anyone wanting to chase
these down.
In the space of a 3 day test, there are 9573 instances of that Badness message.
Dave
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