On 5.2.0-15-generic my WiFi stopped working and I see this in dmesg. [52478.783342] iwlwifi 0000:01:00.0: Microcode SW error detected. Restarting 0x2000000. [52478.783507] iwlwifi 0000:01:00.0: Start IWL Error Log Dump: [52478.783510] iwlwifi 0000:01:00.0: Status: 0x00000080, count: 6 [52478.783511] iwlwifi 0000:01:00.0: Loaded firmware version: 36.8fd77bb3.0 [52478.783513] iwlwifi 0000:01:00.0: 0x00000EDC | ADVANCED_SYSASSERT [52478.783514] iwlwifi 0000:01:00.0: 0x00A00220 | trm_hw_status0 [52478.783515] iwlwifi 0000:01:00.0: 0x00000000 | trm_hw_status1 [52478.783516] iwlwifi 0000:01:00.0: 0x0002486C | branchlink2 [52478.783517] iwlwifi 0000:01:00.0: 0x0003A7CE | interruptlink1 [52478.783518] iwlwifi 0000:01:00.0: 0x00000000 | interruptlink2 [52478.783519] iwlwifi 0000:01:00.0: 0x0BE7001C | data1 [52478.783520] iwlwifi 0000:01:00.0: 0x20000606 | data2 [52478.783521] iwlwifi 0000:01:00.0: 0x00000E4C | data3 [52478.783522] iwlwifi 0000:01:00.0: 0x2EC0909D | beacon time [52478.783523] iwlwifi 0000:01:00.0: 0x55F27F6B | tsf low [52478.783524] iwlwifi 0000:01:00.0: 0x000003B7 | tsf hi [52478.783525] iwlwifi 0000:01:00.0: 0x00000000 | time gp1 [52478.783526] iwlwifi 0000:01:00.0: 0xC9EF0F37 | time gp2 [52478.783527] iwlwifi 0000:01:00.0: 0x00000001 | uCode revision type [52478.783528] iwlwifi 0000:01:00.0: 0x00000024 | uCode version major [52478.783529] iwlwifi 0000:01:00.0: 0x8FD77BB3 | uCode version minor [52478.783530] iwlwifi 0000:01:00.0: 0x00000230 | hw version [52478.783531] iwlwifi 0000:01:00.0: 0x00C89000 | board version [52478.783532] iwlwifi 0000:01:00.0: 0x20000606 | hcmd [52478.783533] iwlwifi 0000:01:00.0: 0x24022002 | isr0 [52478.783534] iwlwifi 0000:01:00.0: 0x00000000 | isr1 [52478.783535] iwlwifi 0000:01:00.0: 0x08001802 | isr2 [52478.783536] iwlwifi 0000:01:00.0: 0x00417CC1 | isr3 [52478.783537] iwlwifi 0000:01:00.0: 0x00000000 | isr4 [52478.783538] iwlwifi 0000:01:00.0: 0x0BA8001C | last cmd Id [52478.783539] iwlwifi 0000:01:00.0: 0x00000000 | wait_event [52478.783540] iwlwifi 0000:01:00.0: 0x000000C4 | l2p_control [52478.783541] iwlwifi 0000:01:00.0: 0x00018030 | l2p_duration [52478.783542] iwlwifi 0000:01:00.0: 0x00000007 | l2p_mhvalid [52478.783543] iwlwifi 0000:01:00.0: 0x00000081 | l2p_addr_match [52478.783544] iwlwifi 0000:01:00.0: 0x0000001D | lmpm_pmg_sel [52478.783545] iwlwifi 0000:01:00.0: 0x29051704 | timestamp [52478.783546] iwlwifi 0000:01:00.0: 0x00005868 | flow_handler [52478.783615] iwlwifi 0000:01:00.0: Start IWL Error Log Dump: [52478.783616] iwlwifi 0000:01:00.0: Status: 0x00000080, count: 7 [52478.783617] iwlwifi 0000:01:00.0: 0x00000070 | NMI_INTERRUPT_LMAC_FATAL [52478.783618] iwlwifi 0000:01:00.0: 0x00000000 | umac branchlink1 [52478.783619] iwlwifi 0000:01:00.0: 0xC0086934 | umac branchlink2 [52478.783620] iwlwifi 0000:01:00.0: 0xC0083B0C | umac interruptlink1 [52478.783621] iwlwifi 0000:01:00.0: 0xC0083B0C | umac interruptlink2 [52478.783622] iwlwifi 0000:01:00.0: 0x00000800 | umac data1 [52478.783623] iwlwifi 0000:01:00.0: 0xC0083B0C | umac data2 [52478.783624] iwlwifi 0000:01:00.0: 0xDEADBEEF | umac data3 [52478.783624] iwlwifi 0000:01:00.0: 0x00000024 | umac major [52478.783625] iwlwifi 0000:01:00.0: 0x8FD77BB3 | umac minor [52478.783626] iwlwifi 0000:01:00.0: 0xC088628C | frame pointer [52478.783627] iwlwifi 0000:01:00.0: 0xC088628C | stack pointer [52478.783628] iwlwifi 0000:01:00.0: 0x00F9014E | last host cmd [52478.783629] iwlwifi 0000:01:00.0: 0x00000000 | isr status reg [52478.783657] iwlwifi 0000:01:00.0: Fseq Registers: [52478.783667] iwlwifi 0000:01:00.0: 0x38376E8E | FSEQ_ERROR_CODE [52478.783678] iwlwifi 0000:01:00.0: 0x015B6011 | FSEQ_TOP_INIT_VERSION [52478.783688] iwlwifi 0000:01:00.0: 0x3727C216 | FSEQ_CNVIO_INIT_VERSION [52478.783699] iwlwifi 0000:01:00.0: 0x0000A10B | FSEQ_OTP_VERSION [52478.783710] iwlwifi 0000:01:00.0: 0xEDE3F1DF | FSEQ_TOP_CONTENT_VERSION [52478.783720] iwlwifi 0000:01:00.0: 0xDF1522B6 | FSEQ_ALIVE_TOKEN [52478.783731] iwlwifi 0000:01:00.0: 0x6FAD1A96 | FSEQ_CNVI_ID [52478.783741] iwlwifi 0000:01:00.0: 0xA16E30DC | FSEQ_CNVR_ID [52478.783752] iwlwifi 0000:01:00.0: 0x00000010 | CNVI_AUX_MISC_CHIP [52478.783760] iwlwifi 0000:01:00.0: 0x0BADCAFE | CNVR_AUX_MISC_CHIP [52478.783770] iwlwifi 0000:01:00.0: 0x0BADCAFE | CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM [52478.783781] iwlwifi 0000:01:00.0: 0x0BADCAFE | CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR [52478.783794] iwlwifi 0000:01:00.0: Collecting data: trigger 2 fired. [52478.783802] ieee80211 phy0: Hardware restart was requested [52479.289828] iwlwifi 0000:01:00.0: Failing on timeout while stopping DMA channel 8 [0x07fd0001]
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1838208 Title: Wifi stops responding sporadically on lenovo-yoga-720-15ikb Status in linux package in Ubuntu: Confirmed Status in network-manager package in Ubuntu: New Bug description: I can make this happen by trying to upload a large file using Firefox Nightly to https://send.firefox.com/ Within a few seconds (like 10-15) my wifi stops responding. Restarting network manager via service network-manager restart temporarily resolves the issue. This issue began appearing a week or so ago -- almost definitely not a month ago; my wifi used to be fine previously. ProblemType: Bug DistroRelease: Ubuntu 19.10 Package: network-manager 1.18.0-1ubuntu5 ProcVersionSignature: Ubuntu 5.2.0-8.9-generic 5.2.0 Uname: Linux 5.2.0-8-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.20.11-0ubuntu7 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Sun Jul 28 14:59:13 2019 IfupdownConfig: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo inet loopback InstallationDate: Installed on 2018-10-31 (270 days ago) InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3) IpRoute: default via 192.168.69.1 dev wlp1s0 proto dhcp metric 600 169.254.0.0/16 dev wlp1s0 scope link metric 1000 192.168.69.0/24 dev wlp1s0 proto kernel scope link src 192.168.69.45 metric 600 NetworkManager.state: [main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: network-manager UpgradeStatus: Upgraded to eoan on 2018-11-02 (268 days ago) nmcli-dev: DEVICE TYPE STATE IP4-CONNECTIVITY IP6-CONNECTIVITY DBUS-PATH CONNECTION CON-UUID CON-PATH wlp1s0 wifi connected full limited /org/freedesktop/NetworkManager/Devices/2 dd-wrt-vap-5g 1 21dd3ba5-f26c-434a-8a95-a87ddd1eb8d5 /org/freedesktop/NetworkManager/ActiveConnection/1 p2p-dev-wlp1s0 wifi-p2p disconnected none none /org/freedesktop/NetworkManager/Devices/3 -- -- -- lo loopback unmanaged unknown unknown /org/freedesktop/NetworkManager/Devices/1 -- -- -- nmcli-nm: RUNNING VERSION STATE STARTUP CONNECTIVITY NETWORKING WIFI-HW WIFI WWAN-HW WWAN running 1.18.0 connected started full enabled enabled enabled enabled enabled --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu7 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: asif 1938 F.... pulseaudio CurrentDesktop: ubuntu:GNOME DistroRelease: Ubuntu 19.10 InstallationDate: Installed on 2018-10-31 (276 days ago) InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 004: ID 13d3:5621 IMC Networks EasyCamera Bus 001 Device 003: ID 06cb:0081 Synaptics, Inc. Bus 001 Device 002: ID 8087:0a2b Intel Corp. Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: LENOVO 80X7 NonfreeKernelModules: wl Package: linux (not installed) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.2.0-8-generic root=UUID=6c974fe8-3286-438d-9acd-d422be92ad9f ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 5.2.0-8.9-generic 5.2.0 RelatedPackageVersions: linux-restricted-modules-5.2.0-8-generic N/A linux-backports-modules-5.2.0-8-generic N/A linux-firmware 1.181 Tags: eoan wayland-session Uname: Linux 5.2.0-8-generic x86_64 UpgradeStatus: Upgraded to eoan on 2018-11-02 (273 days ago) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 07/19/2018 dmi.bios.vendor: LENOVO dmi.bios.version: 4MCN33WW(V2.05) dmi.board.asset.tag: NO Asset Tag dmi.board.name: LNVNB161216 dmi.board.vendor: LENOVO dmi.board.version: SDK0J40709 WIN dmi.chassis.asset.tag: NO Asset Tag dmi.chassis.type: 31 dmi.chassis.vendor: LENOVO dmi.chassis.version: Lenovo YOGA 720-15IKB dmi.modalias: dmi:bvnLENOVO:bvr4MCN33WW(V2.05):bd07/19/2018:svnLENOVO:pn80X7:pvrLenovoYOGA720-15IKB:rvnLENOVO:rnLNVNB161216:rvrSDK0J40709WIN:cvnLENOVO:ct31:cvrLenovoYOGA720-15IKB: dmi.product.family: YOGA 720-15IKB dmi.product.name: 80X7 dmi.product.sku: LENOVO_MT_80X7_BU_idea_FM_YOGA 720-15IKB dmi.product.version: Lenovo YOGA 720-15IKB dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1838208/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
