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NULL pointer dereference panic in stable (2.6.33.2), amd64

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From: Denys Fedorysychenko
Subject: NULL pointer dereference panic in stable (2.6.33.2), amd64
Date: Sunday, April 11, 2010 - 1:38 pm

Hi

Got recently NULL pointer dereference
Note - it seems in 32-bit i didn't experience this issue.

Router with NAT, HFSC shapers terminated with bfifo qdiscs (some attached to 
802.1Q vlan's), userspace application using tun.
Hardware - network cards e1000e, Core 2 based architecture (two Quad Xeon), 

full message received over netconsole attached
More info can provide on request
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Messages in current thread:
NULL pointer dereference panic in stable (2.6.33.2), amd64, Denys Fedorysychenko, (Sun Apr 11, 1:38 pm)
Re: NULL pointer dereference panic in stable (2.6.33.2), amd64, Eric Dumazet, (Sun Apr 11, 3:35 pm)
Re: NULL pointer dereference panic in stable (2.6.33.2), amd64, Denys Fedorysychenko, (Sun Apr 11, 4:04 pm)
Re: NULL pointer dereference panic in stable (2.6.33.2), amd64, Eric Dumazet, (Sun Apr 11, 4:11 pm)
Re: NULL pointer dereference panic in stable (2.6.33.2), amd64, Denys Fedorysychenko, (Sun Apr 11, 4:36 pm)
Re: NULL pointer dereference panic in stable (2.6.33.2), amd64, Krishna Kumar2, (Sun Apr 11, 8:38 pm)
Re: NULL pointer dereference panic in stable (2.6.33.2), amd64, Eric Dumazet, (Sun Apr 11, 11:01 pm)
Re: NULL pointer dereference panic in stable (2.6.33.2), amd64, Eric Dumazet, (Mon Apr 12, 12:18 am)
Re: NULL pointer dereference panic in stable (2.6.33.2), amd64, David Miller, (Mon Apr 12, 12:36 am)
Re: NULL pointer dereference panic in stable (2.6.33.2), amd64, Krishna Kumar2, (Mon Apr 12, 12:54 am)
Re: NULL pointer dereference panic in stable (2.6.33.2), amd64, Eric Dumazet, (Mon Apr 12, 2:31 am)
Re: NULL pointer dereference panic in stable (2.6.33.2), amd64, Denys Fedorysychenko, (Mon Apr 12, 9:11 am)
Re: NULL pointer dereference panic in stable (2.6.33.2), amd64, Eric Dumazet, (Mon Apr 12, 1:09 pm)
Re: NULL pointer dereference panic in stable (2.6.33.2), amd64, David Miller, (Wed Apr 14, 11:52 pm)
Re: NULL pointer dereference panic in stable (2.6.33.2), amd64, Eric Dumazet, (Thu Apr 15, 1:02 am)
Re: NULL pointer dereference panic in stable (2.6.33.2), amd64, David Miller, (Thu Apr 15, 1:26 am)
Re: NULL pointer dereference panic in stable (2.6.33.2), amd64, Eric Dumazet, (Thu Apr 15, 1:51 am)
Re: NULL pointer dereference panic in stable (2.6.33.2), amd64, David Miller, (Thu Apr 15, 2:06 am)
Re: NULL pointer dereference panic in stable (2.6.33.2), amd64, Denys Fedorysychenko, (Thu Apr 15, 2:11 am)
Re: NULL pointer dereference panic in stable (2.6.33.2), amd64, Eric Dumazet, (Thu Apr 15, 3:37 am)
Re: NULL pointer dereference panic in stable (2.6.33.2), amd64, Eric Dumazet, (Thu Apr 15, 1:30 pm)
Re: NULL pointer dereference panic in stable (2.6.33.2), amd64, Eric Dumazet, (Thu Apr 15, 1:46 pm)
Re: NULL pointer dereference panic in stable (2.6.33.2), amd64, David Miller, (Thu Apr 15, 2:33 pm)
[PATCH net-next-2.6] net: Introduce skb_orphan_try(), Eric Dumazet, (Fri Apr 16, 3:18 pm)
Re: [PATCH net-next-2.6] net: Introduce skb_orphan_try(), David Miller, (Sun Apr 18, 2:46 am)
Re: [PATCH net-next-2.6] net: Introduce skb_orphan_try(), Eric Dumazet, (Tue Apr 20, 11:08 pm)
Re: [PATCH net-next-2.6] net: Introduce skb_orphan_try(), David Miller, (Wed Apr 21, 10:56 pm)
Re: [PATCH net-next-2.6] net: Introduce skb_orphan_try(), Eric Dumazet, (Thu Apr 22, 12:10 am)
Re: [PATCH net-next-2.6] net: Introduce skb_orphan_try(), David Miller, (Thu Apr 22, 12:16 am)
Re: [PATCH net-next-2.6] net: Introduce skb_orphan_try(), Eric Dumazet, (Thu Apr 22, 12:24 am)
Re: [PATCH net-next-2.6] net: Introduce skb_orphan_try(), David Miller, (Thu Apr 22, 12:26 am)
Re: [PATCH net-next-2.6] net: Introduce skb_orphan_try(), Eric Dumazet, (Thu Apr 22, 12:33 am)
Re: [PATCH net-next-2.6] net: Introduce skb_orphan_try(), David Miller, (Thu Apr 22, 12:41 am)
Re: [PATCH net-next-2.6] net: Introduce skb_orphan_try(), Eric Dumazet, (Thu Apr 22, 12:47 am)
Re: [PATCH net-next-2.6] net: Introduce skb_orphan_try(), David Miller, (Thu Apr 22, 12:54 am)
Re: [PATCH net-next-2.6] net: Introduce skb_orphan_try(), Eric Dumazet, (Thu Apr 22, 12:59 am)
Re: NULL pointer dereference panic in stable (2.6.33.2), amd64, Denys Fedorysychenko, (Thu Apr 29, 3:50 am)