This issue happened to me on a new machine that I never used with Ubuntu before. I don't know if tis is a regression.
-- 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/1755270 Title: Linux crashes when using network sharing over usb-c to iPhone 6s Status in linux package in Ubuntu: Incomplete Status in linux source package in Bionic: Incomplete Bug description: I was using my iPhone network sharing over USB-C cable to my ThinkPad T470 while on the road. Using 4.15.0-10-generic available in Bionic I am experiencing regular crashes that bring my machine down. After hard power cycle I can find things like this in my last log: mar 12 19:59:09 t470 kernel: ------------[ cut here ]------------ mar 12 19:59:09 t470 kernel: Kernel BUG at 0000000065a29ced [verbose debug info unavailable] mar 12 19:59:09 t470 kernel: WARNING: CPU: 2 PID: 22 at /build/linux-LuqUgo/linux-4.15.0/net/core/dev.c:4143 net_tx_action+0x17d/0x1e0 mar 12 19:59:09 t470 kernel: Modules linked in: thunderbolt scsi_transport_iscsi binfmt_misc veth btrfs zstd_compress xor raid6_pq ebtable_filter ebtables ip6t_MASQUERADE nf_nat_masquerade_ipv6 mar 12 19:59:09 t470 kernel: ac97_bus snd_pcm_dmaengine intel_cstate intel_rapl_perf cfg80211 snd_hda_intel snd_hda_codec snd_hda_core input_leds snd_hwdep joydev serio_raw wmi_bmof intel_wmi_ mar 12 19:59:09 t470 kernel: e1000e cryptd sysimgblt fb_sys_fops ahci ptp pps_core drm libahci psmouse wmi video mar 12 19:59:09 t470 kernel: CPU: 2 PID: 22 Comm: ksoftirqd/2 Not tainted 4.15.0-10-generic #11-Ubuntu mar 12 19:59:09 t470 kernel: Hardware name: LENOVO 20JNS04U2L/20JNS04U2L, BIOS N1QET69W (1.44 ) 12/13/2017 mar 12 19:59:09 t470 kernel: RIP: 0010:net_tx_action+0x17d/0x1e0 mar 12 19:59:09 t470 kernel: RSP: 0018:ffffb615819c3e30 EFLAGS: 00010286 mar 12 19:59:09 t470 kernel: RAX: 00000000c0000000 RBX: ffff93166975ce00 RCX: ffffffffb8e05110 mar 12 19:59:09 t470 kernel: RDX: 00000001001329d5 RSI: 0000000000000081 RDI: ffffffffb8e05110 mar 12 19:59:09 t470 kernel: RBP: ffffb615819c3e58 R08: ffffb615819c3de0 R09: 0000000000000100 mar 12 19:59:09 t470 kernel: R10: 0000000000000000 R11: 00000000000001b9 R12: 0000000000000001 mar 12 19:59:09 t470 kernel: R13: ffff9316de5238c0 R14: 0000000000000000 R15: ffffffffb82497a0 mar 12 19:59:09 t470 kernel: FS: 0000000000000000(0000) GS:ffff9316de500000(0000) knlGS:0000000000000000 mar 12 19:59:09 t470 kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 mar 12 19:59:09 t470 kernel: CR2: 000027b10394c548 CR3: 00000001dd60a006 CR4: 00000000003626e0 mar 12 19:59:09 t470 kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 mar 12 19:59:09 t470 kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 mar 12 19:59:09 t470 kernel: Call Trace: mar 12 19:59:09 t470 kernel: __do_softirq+0xdf/0x2b2 mar 12 19:59:09 t470 kernel: run_ksoftirqd+0x29/0x60 mar 12 19:59:09 t470 kernel: smpboot_thread_fn+0xfc/0x170 mar 12 19:59:09 t470 kernel: kthread+0x121/0x140 mar 12 19:59:09 t470 kernel: ? sort_range+0x30/0x30 mar 12 19:59:09 t470 kernel: ? kthread_create_worker_on_cpu+0x70/0x70 mar 12 19:59:09 t470 kernel: ret_from_fork+0x35/0x40 mar 12 19:59:09 t470 kernel: Code: 24 48 85 c0 75 e6 f6 83 8e 00 00 00 0c 48 89 df 0f 85 17 ff ff ff e8 53 1a ff ff e9 12 ff ff ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 <0f> ff 8b 43 28 85 c0 0f 84 mar 12 19:59:09 t470 kernel: ---[ end trace d620ba79a43b3ee6 ]--- ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-10-generic 4.15.0-10.11 ProcVersionSignature: Ubuntu 4.15.0-10.11-generic 4.15.3 Uname: Linux 4.15.0-10-generic x86_64 ApportVersion: 2.20.8-0ubuntu10 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: zyga 3723 F.... pulseaudio CurrentDesktop: ubuntu:GNOME Date: Mon Mar 12 20:19:32 2018 HibernationDevice: RESUME=UUID=e7d91d8d-48d8-4040-9f0e-e9424d8225c8 InstallationDate: Installed on 2018-02-25 (15 days ago) InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180214) Lsusb: Bus 002 Device 002: ID 0bda:0316 Realtek Semiconductor Corp. Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 5986:111c Acer, 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 20JNS04U2L ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=pl_PL.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-10-generic.efi.signed root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=1 RelatedPackageVersions: linux-restricted-modules-4.15.0-10-generic N/A linux-backports-modules-4.15.0-10-generic N/A linux-firmware 1.172 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 12/13/2017 dmi.bios.vendor: LENOVO dmi.bios.version: N1QET69W (1.44 ) dmi.board.asset.tag: Not Available dmi.board.name: 20JNS04U2L dmi.board.vendor: LENOVO dmi.board.version: SDK0J40697 WIN dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrN1QET69W(1.44):bd12/13/2017:svnLENOVO:pn20JNS04U2L:pvrThinkPadT470W10DG:rvnLENOVO:rn20JNS04U2L:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone: dmi.product.family: ThinkPad T470 W10DG dmi.product.name: 20JNS04U2L dmi.product.version: ThinkPad T470 W10DG dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1755270/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
