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From: Chris Clayton <chris2553@googlemail.com>
Reply-To: chris2553@googlemail.com
To: linux-wireless@vger.kernel.org
Subject: Re: Silent crash witk 2-6.24-rc8-git4
Date: Wed, 23 Jan 2008 15:21:36 +0000
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Hi again.

On Tuesday 22 January 2008, Chris Clayton wrote:
> Hi,

I've now got the part of the panic message that doesn't scroll off-screen:

[<c01f870e>] acpi_ds_exec_end_op+0xc1/0x387
[<c020757d>] acpi_ps_get_arguments+0xa9+0x12d
[<c0207b3a>] acpi_ps_parse_loop+0x259/0x2b7
[<c0207052>] acpi_ps_parse_aml_walk+0xb3/0x10e
[<c02080e3>] acpi_ds_init_aml_walk+0xb3/0c10e
[<c02080e3>] acpi_ps_execute_method+0xaf/0xe5
[<c020530b>] acpi_ns_evaluate+0x97/0xec
[<c0204c66>] acpi_evaluate_object+0x136/0x1da
[<c01f6ebd>] acpi_evaluate_integer+0x7a/0xb8
[<c0217a81>] acpi_thermal_get_temprature+0x29/0x3d
[<c0218498>] acpi_thermal_temp_seq_show+0x15/0x58
[<c017d27a>] seq_read+0xda/0x2a0
[<c017d1a0>] seq_read+0x0/0x2a0
[<c01943ac>] proc_reg_read+0x9c/0xb0
[<c016359c>] vfs_read+0x9c/0xd0
[<c01637e7>] sys_read+0x47/0x80
[<c010414a>] syscall_call+0x7/0xb
=======================
Code: 00 00 00 e9 6c ff ff ff 8d b6 00 00 00 00 8d bf 00 00 00 00 55 89 cd 57 56
 53 83 ec 10 89 d3 89 44 24 08 ba 20 00 00 00 8b 40 58 <89> 42 14 a1 10 66 3e c0
 e8 bc 89 83 df 89 44 24 0c 85 c0 89 c7
EIP: [<e0927eb7>] ieee80211_tx_status_irqsafe+0x17/0x120 [mac80211] SS:ESP 0068:
c042ff4c
Kernel panic - not syncing: fatal exception in interrupt

Hope this helps. Feel free to send me any patches that might fix or help diagnose.

Chris
> 
> Firstly, I'm not subscribed, so please cc me into any reply.
> 
> I've found that I can cause my laptop (DEll Latitude C610) to crash silently 
> (other than blinking LEDs) with stock 2.6.24-rc8{,-git2,-git3,-git4} kernels. 
> I suspect the problem is related to the rt61pci driver, so I've cc'd 
> linux-wireless.
> 
> All I have to do to cause the crash is run the following script on the laptop
> 
> #!/bin/sh
> for i in `seq 1 100`; do
>     echo $i > itercount
>     rm -f linux-2.6.23.tar.bz2
>     wget ftp://192.168.1.10/pub/linux-2.6.23.tar.bz2
> done
> 
> The crash will occur usually during the first iteration (and often in the 
> first 12 megabytes), but never later than the second.
> 
> I suspect the rt61pci driver because if I down wlan0 and connect to my network 
> via eth0, the laptop never crashes (and I've let it run for 50 or so 
> iterations). Similarly, if I build and install -git4 without the in-tree 
> rt61pci driver and build and install the out-of-tree rt61 driver from 
> serialmonkey.com (20071117 snapshot), the script runs fine, although I admit 
> that I stopped it after eight iterations.
> 
> My config, the output, from lspci -vv and the contents of syslog from a crash 
> are attached. The wireless adapter is a Belkin F5D7010.
> 
> Other than maybe a little later on tonight, I won't have much time to give 
> this further attention over the next couple of days, but I thought it best to 
> give a heads-up now.
> 
> Thanks in advance
> 
> Chris
> 

-- 
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