[Discussion] web100 oops in 2.6.13-gentoo-r1

[Maurice Volaski <mvolaski@xxxxxxxxxxxx>]

I just compiled 2.6.13-gentoo-r1 (vanilla 2.6.13 plus a few patches) 
adding web100-2.6.13-2.5.5-200509021644.patch and it take long before 
the network starting to drop connections and I saw this in the 
log....It looks like web100 may have something to do with it.


[ 1668.578223] Unable to handle kernel paging request at virtual 
address a56b6b75
[ 1668.578275]  printing eip:
[ 1668.578293] c02f4db1
[ 1668.578309] *pde = 00000000
[ 1668.578342] Oops: 0000 [#2]
[ 1668.578358] SMP
[ 1668.578384] Modules linked in: drbd ipt_limit ipt_state ipt_LOG 
ip_conntrack_ftp ip_conntrack iptable_filter ip_tables e1000 aic7xxx 
scsi_transport_spi dm_mirror dm_mod
[ 1668.578504] CPU:    0
[ 1668.578506] EIP:    0060:[<c02f4db1>]    Not tainted VLI
[ 1668.578509] EFLAGS: 00010296   (2.6.13-gentoo-r1)
[ 1668.578576] EIP is at web100_update_segsend+0x21/0xc0
[ 1668.578600] eax: a56b6b6b   ebx: f77aa798   ecx: 013d7f60   edx: f752b5c8
[ 1668.578624] esi: f752b5c8   edi: f762f0ac   ebp: f74f9d18   esp: f74f9d0c
[ 1668.578647] ds: 007b   es: 007b   ss: 0068
[ 1668.578673] Process ftp (pid: 7596, threadinfo=f74f9000 task=f7beb560)
[ 1668.578687] Stack: 00000000 f762f0ac 000006c0 f74f9d54 c02d6bb6 
f752b5c8 f74f9d3c c0148501
[ 1668.578771]        c02a9876 f762f0ac 00000000 f77f941c 00000020 
f752b600 f752b5c8 f762f0ac
[ 1668.578850]        f774faf8 19033863 f74f9da8 c02d7b89 f77f939c 
5afffe40 f74f9d70 c01461e1
[ 1668.578929] Call Trace:
[ 1668.578960]  [<c0103d5a>] show_stack+0x7a/0x90
[ 1668.578996]  [<c0103ee2>] show_registers+0x152/0x1c0
[ 1668.579028]  [<c01040fd>] die+0xed/0x170
[ 1668.579059]  [<c011516a>] do_page_fault+0x36a/0x65f
[ 1668.579093]  [<c01039ab>] error_code+0x4f/0x54
[ 1668.579124]  [<c02d6bb6>] tcp_transmit_skb+0x586/0x770
[ 1668.579165]  [<c02d7b89>] tcp_write_xmit+0x189/0x400
[ 1668.579198]  [<c02d7e28>] __tcp_push_pending_frames+0x28/0xb0
[ 1668.579231]  [<c02cbfed>] tcp_sendmsg+0x32d/0xb90
[ 1668.579262]  [<c02eb627>] inet_sendmsg+0x47/0x60
[ 1668.579305]  [<c02a5861>] sock_aio_write+0xe1/0x110
[ 1668.579344]  [<c015d661>] do_sync_write+0xc1/0x100
[ 1668.579380]  [<c015d7f1>] vfs_write+0x151/0x160
[ 1668.579410]  [<c015d8b1>] sys_write+0x41/0x70
[ 1668.579440]  [<c0102dc3>] sysenter_past_esp+0x54/0x75
[ 1668.579471] Code: 00 01 90 6c 01 00 00 5d c3 90 55 89 e5 83 ec 0c 
89 74 24 04 89 d6 89 7c 24 08 89 c7 89 1c 24 8b 98 10 04 00 00 8b 82 
a0 00 00 00 <0f> b7 40 0a 01 43 6c 89 f8 e8 11 01 00 00
8b 4e 60 85 c9 74 7a

--

Maurice Volaski, mvolaski@xxxxxxxxxxxx
Computing Support, Rose F. Kennedy Center
Albert Einstein College of Medicine of Yeshiva University

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