I have now got an oops trace out of this box, which I presume has been
the cause of the previously observed hangs.
To my inexperienced eye it looks like it is related to via-rhine.
Thanks
Mark
BUG: unable to handle kernel NULL pointer dereference at virtual address 00000025
printing eip:
c0259a57
*pde = 00000000
Oops: 0000 [#1]
PREEMPT
Modules linked in: nfs cpufreq_userspace nfsd exportfs lockd sunrpc ppdev lp ac battery ipv6 sd_mod cpufreq_ondemand cpufreq_powersave longhaul af_packet tcp_diag inetv
CPU: 0
EIP: 0060:[<c0259a57>] Not tainted VLI
EFLAGS: 00010246 (2.6.23-rc5 #1)
EIP is at tcp_rto_min+0x8/0x12
eax: 000000c8 ebx: c7ab1080 ecx: ffffffee edx: 00000000
esi: c7ab1080 edi: 00000000 ebp: c9a24b20 esp: c0341dec
ds: 007b es: 007b fs: 0000 gs: 0033 ss: 0068
Process ssh (pid: 4928, ti=c0341000 task=c963cf90 task.ti=c35b9000)
Stack: c0259b1b c7ab1080 c7ab1080 c025a2e8 c030c8a0 c025b906 00000080 00000080
c022f433 cacde032 00000000 00000000 00000001 28419aa8 731a8024 28419b18
00000000 00000000 c011ebc5 28419b18 00000282 028b585b 00000004 cceb3540
Call Trace:
[<c0259b1b>] tcp_rtt_estimator+0xba/0x100
[<c025a2e8>] tcp_ack_saw_tstamp+0x14/0x43
[<c025b906>] tcp_ack+0x6aa/0x1726
[<c022f433>] skb_checksum+0x49/0x289
[<c011ebc5>] local_bh_enable+0x5/0x8c
[<c025f1bf>] tcp_rcv_established+0x344/0x5ed
[<c024b660>] ip_route_input+0x3a/0xcdc
[<c0264226>] tcp_v4_do_rcv+0x27/0x31d
[<c0266309>] tcp_v4_rcv+0x71a/0x765
[<c024e7b6>] ip_local_deliver+0x159/0x1bf
[<c024e630>] ip_rcv+0x44e/0x47b
[<c01b9540>] rb_insert_color+0x4c/0xad
[<c024e630>] ip_rcv+0x44e/0x47b
[<c0115bb4>] enqueue_entity+0x1d2/0x1f3
[<c024e1e2>] ip_rcv+0x0/0x47b
[<c023470b>] netif_receive_skb+0x30d/0x38e
[<d00d55a8>] rhine_napipoll+0x2a7/0x46d [via_rhine]
[<c02368c9>] net_rx_action+0x85/0x171
[<c011ea8e>] __do_softirq+0x35/0x75
[<c010665c>] do_softirq+0x3e/0x8d
[<c013c6cc>] handle_level_irq+0x0/0xd0
[<c011ea20>] irq_exit+0x29/0x62
[<c010693b>] do_IRQ+0x94/0xad
[<c0104cf3>] common_interrupt+0x23/0x30
=======================
Code: 00 8b 14 24 8b 82 8c 02 00 00 89 82 10 04 00 00 a1 e0 6e 2f c0 89 82 14 04 00 00 83 c4 0c 5b 5e 5f 5d c3 8b 50 44 b8 c8 00 00 00 <f6> 42 25 20 74 03 8b 42 54 c3
EIP: [<c0259a57>] tcp_rto_min+0x8/0x12 SS:ESP 0068:c0341dec
Kernel panic - not syncing: Fatal exception in interrupt
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