** Tags removed: kernel-bug-exists-upstream ** Tags added: needs-upstream-testing
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/837076 Title: 8086:422b [Samsung NP900X3A-A01AU] Intel Centrino Ultimate-N 6300 AGN and packet loss using WiFi-N Status in The Linux Kernel: New Status in “linux” package in Ubuntu: Incomplete Status in “linux” source package in Saucy: Confirmed Bug description: I have recently swapped the internal WiFi adapter with an Ultimate-N 6300 and I'm seeing a lot of packet loss. Some additional info is as follows: wlan1 IEEE 802.11abgn ESSID:"star-local" Mode:Managed Frequency:2.412 GHz Access Point: 00:22:75:29:EC:61 Bit Rate=121.5 Mb/s Tx-Power=15 dBm Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality=49/70 Signal level=-61 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:205 Invalid misc:5 Missed beacon:0 $ ping -c 20 192.168.2.1 PING 192.168.2.1 (192.168.2.1) 56(84) bytes of data. 64 bytes from 192.168.2.1: icmp_req=1 ttl=64 time=3.83 ms 64 bytes from 192.168.2.1: icmp_req=2 ttl=64 time=2.56 ms 64 bytes from 192.168.2.1: icmp_req=3 ttl=64 time=2.59 ms 64 bytes from 192.168.2.1: icmp_req=4 ttl=64 time=2.57 ms 64 bytes from 192.168.2.1: icmp_req=5 ttl=64 time=3.23 ms 64 bytes from 192.168.2.1: icmp_req=6 ttl=64 time=3.13 ms 64 bytes from 192.168.2.1: icmp_req=7 ttl=64 time=4.04 ms 64 bytes from 192.168.2.1: icmp_req=11 ttl=64 time=3.89 ms 64 bytes from 192.168.2.1: icmp_req=12 ttl=64 time=3.80 ms 64 bytes from 192.168.2.1: icmp_req=13 ttl=64 time=82.4 ms 64 bytes from 192.168.2.1: icmp_req=14 ttl=64 time=105 ms 64 bytes from 192.168.2.1: icmp_req=15 ttl=64 time=2.57 ms 64 bytes from 192.168.2.1: icmp_req=16 ttl=64 time=2.97 ms 64 bytes from 192.168.2.1: icmp_req=17 ttl=64 time=2.57 ms 64 bytes from 192.168.2.1: icmp_req=18 ttl=64 time=2.57 ms 64 bytes from 192.168.2.1: icmp_req=19 ttl=64 time=3.94 ms 64 bytes from 192.168.2.1: icmp_req=20 ttl=64 time=3.51 ms --- 192.168.2.1 ping statistics --- 20 packets transmitted, 17 received, 15% packet loss, time 19028ms rtt min/avg/max/mdev = 2.567/13.879/105.633/29.547 ms https://bugs.launchpad.net/ubuntu/+source/linux/+bug/837076/+attachment/3929375/+files/log WORKAROUND: Remove and reload the module with "11n_disable=1". wlan1 IEEE 802.11abg ESSID:"star-local" Mode:Managed Frequency:2.412 GHz Access Point: 00:22:75:29:EC:61 Bit Rate=54 Mb/s Tx-Power=15 dBm Retry long limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality=49/70 Signal level=-61 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:32 Missed beacon:0 $ ping -c 20 192.168.2.1 PING 192.168.2.1 (192.168.2.1) 56(84) bytes of data. 64 bytes from 192.168.2.1: icmp_req=1 ttl=64 time=1.82 ms 64 bytes from 192.168.2.1: icmp_req=2 ttl=64 time=1.17 ms 64 bytes from 192.168.2.1: icmp_req=3 ttl=64 time=1.80 ms 64 bytes from 192.168.2.1: icmp_req=4 ttl=64 time=0.650 ms 64 bytes from 192.168.2.1: icmp_req=5 ttl=64 time=1.52 ms 64 bytes from 192.168.2.1: icmp_req=6 ttl=64 time=2.29 ms 64 bytes from 192.168.2.1: icmp_req=7 ttl=64 time=1.29 ms 64 bytes from 192.168.2.1: icmp_req=8 ttl=64 time=1.65 ms 64 bytes from 192.168.2.1: icmp_req=9 ttl=64 time=1.70 ms 64 bytes from 192.168.2.1: icmp_req=10 ttl=64 time=1.06 ms 64 bytes from 192.168.2.1: icmp_req=11 ttl=64 time=1.52 ms 64 bytes from 192.168.2.1: icmp_req=12 ttl=64 time=1.49 ms 64 bytes from 192.168.2.1: icmp_req=13 ttl=64 time=1.89 ms 64 bytes from 192.168.2.1: icmp_req=14 ttl=64 time=1.46 ms 64 bytes from 192.168.2.1: icmp_req=15 ttl=64 time=1.41 ms 64 bytes from 192.168.2.1: icmp_req=16 ttl=64 time=1.28 ms 64 bytes from 192.168.2.1: icmp_req=17 ttl=64 time=1.40 ms 64 bytes from 192.168.2.1: icmp_req=18 ttl=64 time=0.946 ms 64 bytes from 192.168.2.1: icmp_req=19 ttl=64 time=1.32 ms 64 bytes from 192.168.2.1: icmp_req=20 ttl=64 time=1.32 ms --- 192.168.2.1 ping statistics --- 20 packets transmitted, 20 received, 0% packet loss, time 19026ms rtt min/avg/max/mdev = 0.650/1.453/2.291/0.356 ms ProblemType: Bug DistroRelease: Ubuntu 11.10 Package: linux-image-3.0.0-9-generic 3.0.0-9.14 ProcVersionSignature: Ubuntu 3.0.0-9.14-generic 3.0.3 Uname: Linux 3.0.0-9-generic x86_64 AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. Architecture: amd64 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: PCH [HDA Intel PCH], device 0: ALC269VB Analog [ALC269VB Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: hloeung 2208 F.... pulseaudio CRDA: Error: [Errno 2] No such file or directory Card0.Amixer.info: Card hw:0 'PCH'/'HDA Intel PCH at 0xc0700000 irq 48' Mixer name : 'Intel CougarPoint HDMI' Components : 'HDA:10ec0269,144dc098,00100100 HDA:80862805,80860101,00100000' Controls : 18 Simple ctrls : 10 Date: Tue Aug 30 09:21:33 2011 InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Beta amd64 (20110413) MachineType: SAMSUNG ELECTRONICS CO., LTD. 90X3A ProcEnviron: LANGUAGE=en_AU:en_GB:en PATH=(custom, no user) LANG=en_AU.UTF-8 LC_MESSAGES=en_AU.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.0.0-9-generic root=UUID=b4df4065-2b5c-4a10-9c50-4d01d05d09c3 ro elevator=deadline apparmor=0 quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.0.0-9-generic N/A linux-backports-modules-3.0.0-9-generic N/A linux-firmware 1.60 RfKill: 7: phy7: Wireless LAN Soft blocked: no Hard blocked: no SourcePackage: linux StagingDrivers: mei UpgradeStatus: Upgraded to oneiric on 2011-08-08 (21 days ago) dmi.bios.date: 03/08/2011 dmi.bios.vendor: Phoenix Technologies Ltd. dmi.bios.version: 04HL dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: 90X3A dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.board.version: FAB1 dmi.chassis.asset.tag: Asset Tag dmi.chassis.type: 9 dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.chassis.version: 0.1 dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvr04HL:bd03/08/2011:svnSAMSUNGELECTRONICSCO.,LTD.:pn90X3A:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rn90X3A:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1: dmi.product.name: 90X3A dmi.product.version: 0.1 dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD. --- ApportVersion: 2.12.1-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: hloeung 1724 F.... pulseaudio DistroRelease: Ubuntu 13.10 Lsusb: Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: SAMSUNG ELECTRONICS CO., LTD. 90X3A MarkForUpload: True Package: linux (not installed) ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.11.0-7-generic root=UUID=b4df4065-2b5c-4a10-9c50-4d01d05d09c3 ro quiet splash elevator=noop apparmor=0 pcie_aspm=force i915.i915_enable_rc6=7 i915.i915_enable_fbc=1 i915.lvds_downclock=1 drm.vblankoffdelay=1 intel_pstate=enable zswap.enabled=1 vt.handoff=7 ProcVersionSignature: Ubuntu 3.11.0-7.13-generic 3.11.0 RelatedPackageVersions: linux-restricted-modules-3.11.0-7-generic N/A linux-backports-modules-3.11.0-7-generic N/A linux-firmware 1.113 StagingDrivers: zram Tags: saucy staging Uname: Linux 3.11.0-7-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm admin audio cdrom dialout libvirtd lpadmin netdev plugdev sambashare users video dmi.bios.date: 03/08/2011 dmi.bios.vendor: Phoenix Technologies Ltd. dmi.bios.version: 04HL dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: 90X3A dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.board.version: FAB1 dmi.chassis.asset.tag: Asset Tag dmi.chassis.type: 9 dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.chassis.version: 0.1 dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvr04HL:bd03/08/2011:svnSAMSUNGELECTRONICSCO.,LTD.:pn90X3A:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rn90X3A:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1: dmi.product.name: 90X3A dmi.product.version: 0.1 dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD. --- ApportVersion: 2.12.1-0ubuntu3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: hloeung 1724 F.... pulseaudio DistroRelease: Ubuntu 13.10 Lsusb: Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: SAMSUNG ELECTRONICS CO., LTD. 90X3A MarkForUpload: True Package: linux PackageArchitecture: amd64 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.11.0-7-generic root=UUID=b4df4065-2b5c-4a10-9c50-4d01d05d09c3 ro quiet splash elevator=noop apparmor=0 pcie_aspm=force i915.i915_enable_rc6=7 i915.i915_enable_fbc=1 i915.lvds_downclock=1 drm.vblankoffdelay=1 intel_pstate=enable zswap.enabled=1 vt.handoff=7 ProcVersionSignature: Ubuntu 3.11.0-7.13-generic 3.11.0 RelatedPackageVersions: linux-restricted-modules-3.11.0-7-generic N/A linux-backports-modules-3.11.0-7-generic N/A linux-firmware 1.113 StagingDrivers: zram Tags: saucy staging Uname: Linux 3.11.0-7-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm admin audio cdrom dialout libvirtd lpadmin netdev plugdev sambashare users video dmi.bios.date: 03/08/2011 dmi.bios.vendor: Phoenix Technologies Ltd. dmi.bios.version: 04HL dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: 90X3A dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.board.version: FAB1 dmi.chassis.asset.tag: Asset Tag dmi.chassis.type: 9 dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD. dmi.chassis.version: 0.1 dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvr04HL:bd03/08/2011:svnSAMSUNGELECTRONICSCO.,LTD.:pn90X3A:pvr0.1:rvnSAMSUNGELECTRONICSCO.,LTD.:rn90X3A:rvrFAB1:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvr0.1: dmi.product.name: 90X3A dmi.product.version: 0.1 dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD. 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