On Wed, 17 Feb 2016 15:42:45 -0600 Larry Finger <Larry.Finger@xxxxxxxxxxxx> wrote: > On 02/17/2016 10:57 AM, German wrote: > > On Wed, 17 Feb 2016 10:03:44 -0600 > > Larry Finger <Larry.Finger@xxxxxxxxxxxx> wrote: > > > >> On 02/17/2016 05:09 AM, German wrote: > >>> Hi list, > >>> > >>> A couple of days ago I asked why my pc changes the wireless card > >>> name. It switches between AR9285 ( right) and AR5008 ( wrong). > >>> Someone suggested that this is because another kernel module is > >>> loaded by mistake. Well, it is not the case. When system > >>> identified with AR9285, it loads ath9k and I can connect to the > >>> router. When system identifies my card as AR5008, no kernel > >>> module is present at all ( lspci -k). The wrong card name occurs > >>> only when system rebooted. If I gracefully shut down the system, > >>> it always comes up with a right name for the card ( AR9285). So, > >>> how to force the system identify my card right no matter if I > >>> reboot or shut down? Thank you. > >> > >> I would like to help you, but I do not remember your earlier > >> message. Why did you not reply to the earlier one so that > >> everything would be in the same thread? That would have made > >> searching the archives easier. As a result, I may be duplicating > >> some previous information. > >> > >> The selection of a driver for a given device comes from the PCI ID. > >> If your system is showing the wrong device, then you may have > >> hardware problems such that the PCI ID is reported incorrectly. To > >> test this, please provide the output of the command > >> > >> lspci -nn | grep Network > >> > >> for the "good" and "bad" case. > >> > >> Larry > >> > >> > > > > Larry, here is the "bad" case: > > > > lspci -nn | grep Network > > 01:00.0 Ethernet controller [0200]: Qualcomm Atheros AR5008 > > Wireless Network Adapter [168c:ff1c] (rev 01) > > > > The kernel scans the various PCI buses to gather the ID information > from the various cards. Sometimes your device returns [168c:ff1c] and > other times it returns [168c:002b]. The lable, i.e. the stuff from > "Qualcomm" to "Adapter" does not come from the card. That info is in > a file on your computer, and is based on the PCI ID read from the > card. > > There is some kind of hardware problem causing two different IDs to > be read. Assuming that everything else is working correctly, it is > likely the wifi card at fault. If you can get to the card on your > machine, I suggest reseating it in its socket just in case it is a > contact problem. Otherwise, I have no suggestions. > > Larry > > > I'm not > Thanks for the reply Larry, I'll try what you suggest. -- 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
