On 11/11/2010 06:41 PM, Robie Basak wrote: > Hi, > > I'm getting a panic when I to turn off the wireless using the Fn-F2 > combination on my Asus Eee PC 701SDX. Although I'm using Ubuntu 10.10, > I've tried it using the mainline kernel (as supplied by Ubuntu for > testing bugs against mainline). So far I've reproduced consistently > against Ubuntu's 2.6.35-22-generic-pae as well as Ubuntu-supplied > mainstream 2.6.35-02063504.201008271919 and > 2.6.37-020637rc1.201011020905. Is Fn-F2 the radio kill switch? > There are no problems at all if I rmmod r8187se before hitting the > switch; I can turn wireless back on and r8187se autoloads and wireless > works fine. > > I have also reported this to Ubuntu downstream; that report also > includes various automatic information about my system you might find > helpful: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/674285 > > Please also see my side note in that report about r8187se causing a hang > after disconnecting AC after suspend. I don't know if that is related or > not. > > I can't seem to get a crash dump. Setting /proc/sys/kernel/panic doesn't > seem to help the kernel reboot after a panic. I've taken a photo of what > I can see at http://i.imgur.com/QSXMD.jpg > > Is this a problem with Eee PC ACPI or in r8187se? Which way up is the > backtrace? I think it's most-recent first at an educated guess? The calling sequence is up screen. Thus rtl8180_pci_remove() calls unregister_netdev(), etc. It is really tough debugging without seeing what routine is actually causing the panic. > What else can I do? I'm happy to hack, try patches etc. Any pointers > would be appreciated, particularly towards getting a full dump - I've > spent a while trying to find a solution but haven't got anywhere. I've > installed (Ubuntu) linux-crashdump but nothing appears in /var/crash, > presumably because I'm killing the power since I can't get it to reboot, > and there's no reset button. If you need me to compile a kernel direct > from mainstream source instead of using the Ubuntu mainstream builds I > can manage that. At this point, I see no point in building a mainstream kernel. Do you have another host that might be setup as a net console? Larry -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
