On 14-01-23 21:11:52, Emmanuel Grumbach wrote:
> Ok - I put the pieces together:
>
> > iwlwifi 0000:01:00.0: loaded firmware version 22.15.8.0 op_mode iwlmvm
> > iwlwifi 0000:01:00.0: Detected Intel(R) Wireless N 7260, REV=0x144
>
> This means that your NIC is 2.4GHz only. Dual band NICs print something
> else.
This isn't correct. My NIC happily connects to my crappy Linksys WRT610Nv1 at 5GHz. After a while the router's (5GHz) radio dies, but before
that i am able to easily do more than 100Mbps.
iwconfig output:
wlan0 IEEE 802.11abgn ESSID:"xxxxxxx"
Mode:Managed Frequency:5.745 GHz Access Point: xx:xx:xx:xx:xx:xx
Bit Rate=135 Mb/s Tx-Power=16 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:on
Link Quality=64/70 Signal level=-46 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:9 Invalid misc:3 Missed beacon:0
> Now here come the catch. You seem to have an "old" NIC in a way that the
> NVM (EEPROM like) is old. In that NVM, there was a bug that advertised
> the A band channels but disabled the A band in SKU cap.
iwlwifi-7260-7 ucode works fine for both bands. iwlwifi-7260-8.ucode seems unable to connect at 5GHz.
> Can you please try the patch attached?
Do you still think it is a good idea to apply and test the patch?
Petko
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