https://bugzilla.kernel.org/show_bug.cgi?id=201383 Bug ID: 201383 Summary: Intel AC9260 wifi does not get DHCP IP - SuSE 15 kernel 4.12.14-25.16-default Product: Backports project Version: unspecified Kernel Version: 4.12.14-25.16-default Hardware: Intel OS: Linux Tree: Mainline Status: NEW Severity: high Priority: P1 Component: Backports Assignee: backports@xxxxxxxxxxxxxxx Reporter: pradhan@xxxxxxx Regression: No 4.12.14-25.16-default #1 SMP Thu Aug 23 10:02:38 UTC 2018 (a5893c4) x86_64 x86_64 x86_64 GNU/Linux Followed the below steps to configure, however not receiving IPv4 IP address from the router. Please suggest. Steps: ===== • Installed iw and wpa_supplicant packages. • Verified the presence of the card sles15sp0:linux_test>dmesg | grep 9260 [ 74.125592] iwlwifi 0000:06:00.0: Detected Intel(R) Dual Band Wireless AC 9260, REV=0x324 • Verified SLES image rev sles15sp0:linux_test>uname -a Linux sles15sp0 4.12.14-25.16-default #1 SMP Thu Aug 23 10:02:38 UTC 2018 (a5893c4) x86_64 x86_64 x86_64 GNU/Linux You have new mail in /var/mail/root sles15sp0:linux_test> • Looked for the wireless interface in the system and brought it up sles15sp0:linux_test>iw dev phy#0 Interface wlan0 ifindex 6 wdev 0x1 addr 94:b8:6d:87:4b:1e type managed You have new mail in /var/mail/root sles15sp0:linux_test>ip link show wlan0 6: wlan0: <BROADCAST,MULTICAST> mtu 1500 qdisc noop state DOWN mode DEFAULT group default qlen 1000 link/ether 94:b8:6d:87:4b:1e brd ff:ff:ff:ff:ff:ff sles15sp0:linux_test>ip link set wlan0 up sles15sp0:linux_test>ip link show wlan0 6: wlan0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN mode DEFAULT group default qlen 1000 link/ether 94:b8:6d:87:4b:1e brd ff:ff:ff:ff:ff:ff sles15sp0:linux_test>iw wlan0 link Not connected. • Scanned for available wifi access points and verified that security type = PSK sles15sp0:linux_test>iw wlan0 scan | fgrep -i ssid SSID: NETGEAR48-5G-2 SSID: NETGEAR48 SSID: Verizon-MiFi5510L-EFC7 SSID: NETGEAR48-5G-1 sles15sp0:linux_test>iw wlan0 scan | fgrep -i Authentication * Authentication suites: PSK * Authentication suites: PSK * Authentication suites: PSK * Authentication suites: PSK • Created a WPA configuration file sles15sp0:linux_test>wpa_passphrase NETGEAR48 smoothgiant416 > wpa.conf sles15sp0:linux_test>cat wpa.conf network={ ssid="NETGEAR48" #psk="smoothgiant416" psk=61d3dc46d102862ce4077862bc2f04d060b4b882deff43bbe4b10d8a4a041138 } • Looked up the drivers present in the system and ran wpa_supplicant sles15sp0:linux_test>lsmod | grep -e Used -e iwl Module Size Used by iwlmvm 425984 0 mac80211 888832 1 iwlmvm iwlwifi 258048 1 iwlmvm cfg80211 696320 3 iwlmvm,iwlwifi,mac80211 You have new mail in /var/mail/root sles15sp0:linux_test>wpa_supplicant -B -Dcfg80211 -iwlan0 -c ./wpa.conf Successfully initialized wpa_supplicant wlan0: Unsupported driver 'cfg80211' sles15sp0:linux_test>wpa_supplicant -B -Dwext -iwlan0 -c /tmp/wpa.conf Successfully initialized wpa_supplicant • Checking if the association between Wifi AP ( our lab router ) and wlan0 (wifi interface) is in place. sles15sp0:linux_test>iw dev wlan0 link Connected to cc:40:d0:83:49:c1 (on wlan0) SSID: NETGEAR48 freq: 2412 RX: 2927 bytes (49 packets) TX: 1941 bytes (20 packets) signal: -62 dBm tx bitrate: 14.4 MBit/s MCS 8 short GI bss flags: CTS-protection short-preamble short-slot-time dtim period: 2 beacon int: 200 You have new mail in /var/mail/root sles15sp0:linux_test>iw dev wlan0 info Interface wlan0 ifindex 6 wdev 0x1 addr 94:b8:6d:87:4b:1e ssid NETGEAR48 type managed wiphy 0 channel 1 (2412 MHz), width: 20 MHz, center1: 2412 MHz sles15sp0:linux_test> • Try to obtain a DHCP IP from router. • This is where the problem lies, even if we are associated with the access point we are not getting an IP(IPV4) back from router sles15sp0:linux_test>dhclient wlan0 You have new mail in /var/mail/root sles15sp0:linux_test>ip addr show wlan0 6: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000 link/ether 94:b8:6d:87:4b:1e brd ff:ff:ff:ff:ff:ff inet6 fe80::96b8:6dff:fe87:4b1e/64 scope link valid_lft forever preferred_lft forever sles15sp0:linux_test> -- You are receiving this mail because: You are the assignee for the bug.-- To unsubscribe from this list: send the line "unsubscribe backports" in