On Thu, 17 Mar 2011, Mihai DonÈu wrote: > On Thursday 17 March 2011 00:35:02 RafaÅ MiÅecki wrote: > > 2011/3/16 Mihai DonÈu <mihai.dontu@xxxxxxxxx>: > > > Added linux-usb and linux-wireless to CC. > > > > > > On Thursday 17 March 2011 00:18:31 Mihai DonÈu wrote: > > >> Hi, > > >> > > >> I have just upgraded to 2.6.38 and discovered that I can't use my > > >> wireless device (BCM4312 802.11a/b/g). I press Fn + F2, the bluetooth > > >> led lights and after a second it turns off by itself. In dmesg I'm > > >> seeing the following: > > >> > > >> [ 88.167212] usb 1-2.2: new full speed USB device using ehci_hcd and > > >> address 5 > > >> [ 88.782330] usb 1-2.2: USB disconnect, address 5 > > >> > > >> I switched to 2.6.37 until I'll have some time to bisect this. In the > > >> mean time I have attached the output of lspci, interrupts and dmesg. > > > > I suspect it's WMI related. What is your machine? > > It's a Dell Latitude D520 but I can't find a link with full specs (in > English). > > > Please check: > > https://bugzilla.kernel.org/show_bug.cgi?id=31002 > > http://comments.gmane.org/gmane.linux.acpi.devel/49577 > > > > I can't help you more, I just noticed such a issue reported on ACPI > > ML, you have to dig into this yourself (or someone else may help you). > > Thanks for the links. I'll see if I can get anywhere from there. Another thing you can try is to get usbmon traces under both 2.6.37 and 2.6.38. Instructions are in the kernel source file Documentation/usb/usbmon.txt. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
