2.6.13-rc5 panic with tg3, e1000, vlan, tso

[Vladimir B. Savkin]

Hello!

Today my gateway crashed.
I wrote down crash info on a paper.
It's not complete since only last 25 lines were shown,
but complete stackdump is here (I omitted hexadecimal values).

Call Trace: <IRQ>
    tcp_write_xmit+318
    __tcp_push_pending_frames+45
    tcp_rcv_established+1948
    tcp_v4_do_rcv+35
    tcp_v4_rcv+1444
    nf_hook_slow+125
    ip_local_deliver_finish+0
    ip_local_deliver+389
    ip_rcv+1187
    packet_rcv_spkt+608
    netif_receive_skb+478
    e1000_clean_rx_irq+1165
    tg3_vlan_rx+364
    tg3_tx+328
    e1000_clean+74
    net_rx_action+171
    __do_softirq+53
    do_IRQ+79
    ret_from_intr+0
    <EOI>
    thread_return+0
    thread_return+86
    default_idle+36
    cpu_idle+79
RIP: {tcp_tso_should_defer+73}
Code: 0f 0b a3 7c 9d 42 80 ff ff ff ff c2 96 03 8b be 2c 03 00 00
Aiee, killing interrupt handler!

Before the call trace there was some 64-bit values.

The box is dual Opteron with 2G RAM, with 64-bit kernel and mixed userland.
There are 2 tg3 interfaces (on-board), 3 e1000 ones, and 2 e100's in it.

After reboot, I disabled TSO (on e1000 NICs)  via ethtool.

~
:wq
                                        With best regards, 
                                           Vladimir Savkin. 

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