Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.18 kernel[0].
If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.18.3 ** Changed in: linux (Ubuntu) Importance: Undecided => Medium -- 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/1788461 Title: Wired network problems after upgrade to Bionic Status in linux package in Ubuntu: Incomplete Bug description: After upgrade to bionic i have strange problem with wired network. The link seems to be up but dhcp does not get address and hangs forever and no packet gets through. When i swicth on wireless i can connect to my home network and dhcp receives address (from the same router in same network) without any problem. I can see several kind of logs in dmesg: martin@BSR480:~$ dmesg | grep eth [ 1.209334] sky2 0000:07:00.0 eth0: addr 00:24:54:26:b3:27 [ 1.233664] sky2 0000:07:00.0 enp7s0: renamed from eth0 martin@BSR480:~$ dmesg | grep enp7s0 [ 1.233664] sky2 0000:07:00.0 enp7s0: renamed from eth0 [ 6.839456] IPv6: ADDRCONF(NETDEV_UP): enp7s0: link is not ready [ 6.843546] sky2 0000:07:00.0 enp7s0: enabling interface [ 6.845103] IPv6: ADDRCONF(NETDEV_UP): enp7s0: link is not ready [ 9.180266] sky2 0000:07:00.0 enp7s0: Link is up at 1000 Mbps, full duplex, flow control rx [ 9.180323] IPv6: ADDRCONF(NETDEV_CHANGE): enp7s0: link becomes ready And in another part of the log if i scroll it through i see: [ 1384.381388] WARNING: CPU: 2 PID: 5567 at /build/linux-wuhukg/linux-4.15.0/net/mac80211/rx.c:629 ieee80211_rx_napi+0x93b/0xa90 [mac80211] [ 1384.381390] Modules linked in: nfsv3 nfs_acl nfs pci_stub vboxpci(OE) lockd grace fscache vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) rfcomm xt_CHECKSUM iptable_mangle ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_nat_ipv4 nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 xt_conntrack nf_conntrack libcrc32c ipt_REJECT nf_reject_ipv4 xt_tcpudp bridge stp llc ebtable_filter ebtables ccm ip6table_filter ip6_tables devlink iptable_filter bnep snd_hda_codec_hdmi hid_generic uas usb_storage usbhid hid binfmt_misc nvidia_uvm(POE) ir_lirc_codec lirc_dev rtl2832_sdr r820t mn88473 rtl2832 i2c_mux samsung_laptop intel_powerclamp coretemp kvm_intel snd_hda_codec_realtek snd_hda_codec_generic kvm irqbypass snd_hda_intel dvb_usb_rtl28xxu crct10dif_pclmul snd_hda_codec crc32_pclmul dvb_usb_v2 ghash_clmulni_intel uvcvideo [ 1384.381422] dvb_core snd_hda_core pcbc snd_hwdep videobuf2_vmalloc arc4 videobuf2_memops rc_core videobuf2_v4l2 snd_pcm videobuf2_core btusb videodev btrtl btbcm btintel bluetooth media ecdh_generic snd_seq_midi aesni_intel ath9k snd_seq_midi_event aes_x86_64 crypto_simd glue_helper cryptd intel_cstate snd_rawmidi nvidia(POE) ath9k_common input_leds snd_seq ath9k_hw joydev serio_raw ath snd_seq_device mac80211 snd_timer snd intel_ips cfg80211 drm soundcore shpchp lpc_ich mac_hid sch_fq_codel cuse parport_pc sunrpc ppdev lp parport ip_tables x_tables autofs4 psmouse ahci libahci sky2 video [ 1384.381454] CPU: 2 PID: 5567 Comm: PK-Backend Tainted: P W OE 4.15.0-32-generic #35-Ubuntu [ 1384.381455] Hardware name: SAMSUNG ELECTRONICS CO., LTD. R480/R431/R481 /R480/R431/R481 , BIOS 09SZ.M013.20100525.XW 05/25/2010 [ 1384.381468] RIP: 0010:ieee80211_rx_napi+0x93b/0xa90 [mac80211] [ 1384.381469] RSP: 0000:ffff8c4823d03d10 EFLAGS: 00010246 [ 1384.381470] RAX: 0000000000010000 RBX: ffff8c48171fe000 RCX: 0000000000000002 [ 1384.381471] RDX: 0000000000000004 RSI: 0000000000000000 RDI: ffffffffc108e000 [ 1384.381472] RBP: ffff8c4823d03de0 R08: 0000000000000001 R09: 0000000000000001 [ 1384.381472] R10: 0000000000000000 R11: 0000000000000001 R12: ffff8c4816d00760 [ 1384.381473] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000004 [ 1384.381474] FS: 00007fe00ce54700(0000) GS:ffff8c4823d00000(0000) knlGS:0000000000000000 [ 1384.381475] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1384.381476] CR2: 00007fdffd1d1000 CR3: 000000016ef24005 CR4: 00000000000206e0 [ 1384.381477] Call Trace: [ 1384.381479] <IRQ> [ 1384.381493] ? ar9002_hw_antdiv_comb_conf_set+0x67/0x70 [ath9k_hw] [ 1384.381499] ? ath_ant_comb_scan+0x3ec/0xaf0 [ath9k] [ 1384.381502] ath_rx_tasklet+0xa73/0xf90 [ath9k] [ 1384.381506] ath9k_tasklet+0x171/0x250 [ath9k] [ 1384.381510] tasklet_action+0x64/0x110 [ 1384.381512] __do_softirq+0xe4/0x2bb [ 1384.381514] irq_exit+0xb8/0xc0 [ 1384.381516] do_IRQ+0x8a/0xd0 [ 1384.381518] common_interrupt+0x84/0x84 [ 1384.381518] </IRQ> [ 1384.381520] RIP: 0033:0x7fe00e9a1f58 [ 1384.381521] RSP: 002b:00007fe00ce53950 EFLAGS: 00000202 ORIG_RAX: ffffffffffffffde [ 1384.381522] RAX: 00000000000dd2ba RBX: 00007fdffcccaa90 RCX: 00007fdffc147330 [ 1384.381523] RDX: 00007fdff901b000 RSI: 00007fdffc147330 RDI: 00007fdffcccaa90 [ 1384.381523] RBP: 00007fdff98b1060 R08: 00007fdff901b000 R09: 00007fdff901b000 [ 1384.381524] R10: 000000000000c547 R11: 00000000000070c1 R12: 0000000000010ffb [ 1384.381525] R13: 00007fe00ce53ac0 R14: 00007fe00ce539d0 R15: 00000000cccccccd [ 1384.381526] Code: c4 48 85 c0 0f 84 80 fa ff ff 48 8b 95 70 ff ff ff 4c 8b b3 d8 00 00 00 44 8b 85 60 ff ff ff 4c 8b ba d8 00 00 00 e9 42 f9 ff ff <0f> 0b 48 89 df e8 3b 3d f7 c4 e9 98 f7 ff ff 48 89 de 4c 89 e7 [ 1384.381549] ---[ end trace 7a6e1aa94a655d72 ]--- To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1788461/+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
