RE: e1000e on DH55HC stalling and kernel panic in 3.6.6

[Dave, Tushar N]

>-----Original Message-----
>From: netdev-owner@xxxxxxxxxxxxxxx [mailto:netdev-owner@xxxxxxxxxxxxxxx]
>On Behalf Of Denys Fedoryshchenko
>Sent: Tuesday, November 13, 2012 5:59 AM
>To: Kirsher, Jeffrey T; Brandeburg, Jesse; Allan, Bruce W; Wyborny,
>Carolyn; Skidmore, Donald C; Rose, Gregory V; Waskiewicz Jr, Peter P;
>Duyck, Alexander H; Ronciak, John; e1000-devel@xxxxxxxxxxxxxxxxxxxxx;
>netdev@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
>Subject: e1000e on DH55HC stalling and kernel panic in 3.6.6
>
>Hi
>
>I just tried to run latest kernel on my DH55HC motherboard latest kernel
>3.6.6 and got various network problems, such as network traffic are
>stopping, and sometimes i am getting kernel panic.
>When traffic are stopping, ethtool -r eth0 sometimes helps.
>When i do ethtool -G eth0 rx NNN , sometimes it will give kernel panic,
>but it is hard to reproduce.
>
>I tried to capture panic on pictures, so will try to decode on what i got
>photo, it is a nightmare, but sadly i dont have serial in hands to get
>data over it.
>
>skbuff: skb_over_panic: text:f86fc769 len:25807 put:25807 head:c1da1800
>data:c1da1840 tail:0xc1da7d0f end:c1da1f40 dev:eth0 kernel BUG at
>net/core/skbuff.c:127
>opcode: 0000 [#1] SMP
>Pid: 0 comm: swapper/6 Not tained 3.6.6-build-0063 #23
>EIP: 0060:[<c02e7980>] EFLAGS: 00010296 CPU:6 EIP is at skb_put+0x83/0x8e
>
>There is registers and stack, let me know if you need specific fields
>
>Call trace:
>f86fc769 ? e1000_clean_rx_irq+0x1e1/0x2af [e1000e]
>f86fc769 e1000_clean_rx_irq+0x1e1/0x2af [e1000e]
>f86fcc73 e1000e_poll+0x6a/0x209 [e1000e]
>c02f1630 net_rx_action+0x90/0x15d
>c01302d5 __do_softirq+0x8a/-x13b
>c013024b ? local_bh_enable+0xd/0xd
><IRQ>
>c0130504 irq_exit+0x41/0x91
>c0102c37 do_IRQ+0x79/0x8d
>
>There is also more data, let me know if you need it.
Yes, please send us the full dmesg log with error.
Have you tried out-of-tree e1000e driver?

-Tushar
 

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