Public bug reported: When my eero router restarts, my PC/server's ethernet disconnect and reconnects. This softlocks the CPU and renders the server essentially "crashed", and requires power cycle to come back online
24.04 LTS (Noble Numbat) `Linux <hostname> 6.8.0-38-generic #38-Ubuntu SMP PREEMPT_DYNAMIC Fri Jun 7 15:25:01 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux` (It's `apt` up to date as of July 24) I googled and found same bug (I hope!) in https://bugzilla.kernel.org/show_bug.cgi?id=218740 Please bring upstream kernel fix into 24.04 :) ``` Jul 23 16:51:54 <hostname> kernel: e1000e 0000:00:1f.6 eno1: NIC Link is Down Jul 23 16:51:54 <hostname> systemd-networkd[1073]: eno1: Lost carrier Jul 23 16:51:54 <hostname> systemd-networkd[1073]: eno1: DHCPv6 lease lost Jul 23 16:51:54 <hostname> systemd-timesyncd[983]: No network connectivity, watching for changes. Jul 23 16:52:06 <hostname> kernel: e1000e 0000:00:1f.6 eno1: NIC Link is Up 1000 Mbps Half Duplex, Flow Control: None Jul 23 16:52:06 <hostname> kernel: BUG: scheduling while atomic: kworker/3:2/51801/0x00000002 Jul 23 16:52:06 <hostname> kernel: Modules linked in: bluetooth ecdh_generic ecc l2tp_ppp l2tp_netlink l2tp_core ip6_udp_tunnel udp_tunnel pppox xfrm_interface ip_vti ip_tunnel ah6 ah4 esp6 esp4 xfrm4_tunnel tunnel4 ipcomp ipcomp6 xfr> Jul 23 16:52:06 <hostname> kernel: intel_rapl_common intel_uncore_frequency snd_compress intel_uncore_frequency_common ac97_bus snd_pcm_dmaengine x86_pkg_temp_thermal intel_powerclamp snd_hda_intel i915 snd_intel_dspcfg coretemp snd_> Jul 23 16:52:06 <hostname> kernel: xhci_pci_renesas vmd typec wmi aesni_intel crypto_simd cryptd Jul 23 16:52:06 <hostname> kernel: CPU: 3 PID: 51801 Comm: kworker/3:2 Not tainted 6.8.0-38-generic #38-Ubuntu Jul 23 16:52:06 <hostname> kernel: Hardware name: HP HP Elite Mini 600 G9 Desktop PC/8952, BIOS U21 Ver. 02.13.02 02/02/2024 Jul 23 16:52:06 <hostname> kernel: Workqueue: events e1000_watchdog_task [e1000e] Jul 23 16:52:06 <hostname> kernel: Call Trace: Jul 23 16:52:06 <hostname> kernel: <TASK> Jul 23 16:52:06 <hostname> kernel: dump_stack_lvl+0x76/0xa0 Jul 23 16:52:06 <hostname> kernel: dump_stack+0x10/0x20 Jul 23 16:52:06 <hostname> kernel: __schedule_bug+0x64/0x80 Jul 23 16:52:06 <hostname> kernel: schedule_debug.isra.0+0xdb/0x130 Jul 23 16:52:06 <hostname> kernel: __schedule+0x69/0x6b0 Jul 23 16:52:06 <hostname> kernel: schedule+0x33/0x110 Jul 23 16:52:06 <hostname> kernel: schedule_hrtimeout_range_clock+0xbc/0x150 Jul 23 16:52:06 <hostname> kernel: ? __pfx_hrtimer_wakeup+0x10/0x10 Jul 23 16:52:06 <hostname> kernel: schedule_hrtimeout_range+0x13/0x30 Jul 23 16:52:06 <hostname> kernel: usleep_range_state+0x65/0xa0 Jul 23 16:52:06 <hostname> kernel: e1000e_read_phy_reg_mdic+0x98/0x2a0 [e1000e] Jul 23 16:52:06 <hostname> kernel: e1000e_update_phy_stats+0x85/0x290 [e1000e] Jul 23 16:52:06 <hostname> kernel: e1000e_update_stats+0x4c9/0x4e0 [e1000e] Jul 23 16:52:06 <hostname> kernel: e1000_watchdog_task+0xf7/0xa80 [e1000e] Jul 23 16:52:06 <hostname> kernel: process_one_work+0x16c/0x350 Jul 23 16:52:06 <hostname> kernel: worker_thread+0x306/0x440 Jul 23 16:52:06 <hostname> kernel: ? _raw_spin_lock_irqsave+0xe/0x20 Jul 23 16:52:06 <hostname> kernel: ? __pfx_worker_thread+0x10/0x10 Jul 23 16:52:06 <hostname> kernel: kthread+0xef/0x120 Jul 23 16:52:06 <hostname> kernel: ? __pfx_kthread+0x10/0x10 Jul 23 16:52:06 <hostname> kernel: ret_from_fork+0x44/0x70 Jul 23 16:52:06 <hostname> kernel: ? __pfx_kthread+0x10/0x10 Jul 23 16:52:06 <hostname> kernel: ret_from_fork_asm+0x1b/0x30 Jul 23 16:52:06 <hostname> kernel: </TASK> Jul 23 16:52:33 <hostname> kernel: watchdog: BUG: soft lockup - CPU#3 stuck for 26s! [kworker/3:0:59929] Jul 23 16:52:33 <hostname> kernel: Modules linked in: bluetooth ecdh_generic ecc l2tp_ppp l2tp_netlink l2tp_core ip6_udp_tunnel udp_tunnel pppox xfrm_interface ip_vti ip_tunnel ah6 ah4 esp6 esp4 xfrm4_tunnel tunnel4 ipcomp ipcomp6 xfr> Jul 23 16:52:33 <hostname> kernel: intel_rapl_common intel_uncore_frequency snd_compress intel_uncore_frequency_common ac97_bus snd_pcm_dmaengine x86_pkg_temp_thermal intel_powerclamp snd_hda_intel i915 snd_intel_dspcfg coretemp snd_> Jul 23 16:52:33 <hostname> kernel: xhci_pci_renesas vmd typec wmi aesni_intel crypto_simd cryptd Jul 23 16:52:33 <hostname> kernel: CPU: 3 PID: 59929 Comm: kworker/3:0 Tainted: G W 6.8.0-38-generic #38-Ubuntu Jul 23 16:52:33 <hostname> kernel: Hardware name: HP HP Elite Mini 600 G9 Desktop PC/8952, BIOS U21 Ver. 02.13.02 02/02/2024 Jul 23 16:52:33 <hostname> kernel: Workqueue: events linkwatch_event Jul 23 16:52:33 <hostname> kernel: RIP: 0010:native_queued_spin_lock_slowpath+0x83/0x300 Jul 23 16:52:33 <hostname> kernel: Code: 00 00 f0 0f ba 2b 08 0f 92 c2 8b 03 0f b6 d2 c1 e2 08 30 e4 09 d0 3d ff 00 00 00 77 61 85 c0 74 10 0f b6 03 84 c0 74 09 f3 90 <0f> b6 03 84 c0 75 f7 b8 01 00 00 00 66 89 03 5b 41 5c 41 5d 41 5e Jul 23 16:52:33 <hostname> kernel: RSP: 0018:ffffa9d04d913b40 EFLAGS: 00000202 Jul 23 16:52:33 <hostname> kernel: RAX: 0000000000000001 RBX: ffff94bb8c6fb448 RCX: 0000000000000000 Jul 23 16:52:33 <hostname> kernel: RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff94bb8c6fb448 Jul 23 16:52:33 <hostname> kernel: RBP: ffffa9d04d913b68 R08: 0000000000000000 R09: ffff94bb8cf481f4 Jul 23 16:52:33 <hostname> kernel: R10: 0000000000000000 R11: 0000000000000000 R12: ffff94bb8cf4812c Jul 23 16:52:33 <hostname> kernel: R13: ffff94bb8c6fb448 R14: ffff94bb8cf48000 R15: 0000000000000000 Jul 23 16:52:33 <hostname> kernel: FS: 0000000000000000(0000) GS:ffff94beef180000(0000) knlGS:0000000000000000 Jul 23 16:52:33 <hostname> kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jul 23 16:52:33 <hostname> kernel: CR2: 000000c00069a000 CR3: 000000014063c000 CR4: 0000000000f50ef0 Jul 23 16:52:33 <hostname> kernel: PKRU: 55555554 Jul 23 16:52:33 <hostname> kernel: Call Trace: Jul 23 16:52:33 <hostname> kernel: <IRQ> Jul 23 16:52:33 <hostname> kernel: ? show_regs+0x6d/0x80 Jul 23 16:52:33 <hostname> kernel: ? watchdog_timer_fn+0x206/0x290 Jul 23 16:52:33 <hostname> kernel: ? __pfx_watchdog_timer_fn+0x10/0x10 Jul 23 16:52:33 <hostname> kernel: ? __hrtimer_run_queues+0x10f/0x2a0 Jul 23 16:52:33 <hostname> kernel: ? clockevents_program_event+0xbe/0x150 Jul 23 16:52:33 <hostname> kernel: ? hrtimer_interrupt+0xf6/0x250 Jul 23 16:52:33 <hostname> kernel: ? __sysvec_apic_timer_interrupt+0x4e/0x150 Jul 23 16:52:33 <hostname> kernel: ? sysvec_apic_timer_interrupt+0x8d/0xd0 Jul 23 16:52:33 <hostname> kernel: </IRQ> Jul 23 16:52:33 <hostname> kernel: <TASK> Jul 23 16:52:33 <hostname> kernel: ? asm_sysvec_apic_timer_interrupt+0x1b/0x20 Jul 23 16:52:33 <hostname> kernel: ? native_queued_spin_lock_slowpath+0x83/0x300 Jul 23 16:52:33 <hostname> kernel: _raw_spin_lock+0x3f/0x60 Jul 23 16:52:33 <hostname> kernel: e1000e_get_stats64+0x23/0x140 [e1000e] Jul 23 16:52:33 <hostname> kernel: dev_get_stats+0x66/0x160 Jul 23 16:52:33 <hostname> kernel: rtnl_fill_stats+0x40/0x140 Jul 23 16:52:33 <hostname> kernel: rtnl_fill_ifinfo+0x92f/0xfe0 Jul 23 16:52:33 <hostname> kernel: rtmsg_ifinfo_build_skb+0xa4/0x120 Jul 23 16:52:33 <hostname> kernel: rtmsg_ifinfo+0x4d/0xb0 Jul 23 16:52:33 <hostname> kernel: netdev_state_change+0x95/0xa0 Jul 23 16:52:33 <hostname> kernel: ? dev_activate+0xd7/0x120 Jul 23 16:52:33 <hostname> kernel: linkwatch_do_dev+0x5b/0x70 Jul 23 16:52:33 <hostname> kernel: __linkwatch_run_queue+0xdf/0x200 Jul 23 16:52:33 <hostname> kernel: linkwatch_event+0x31/0x40 Jul 23 16:52:33 <hostname> kernel: process_one_work+0x16c/0x350 Jul 23 16:52:33 <hostname> kernel: worker_thread+0x306/0x440 Jul 23 16:52:33 <hostname> kernel: ? __pfx_worker_thread+0x10/0x10 Jul 23 16:52:33 <hostname> kernel: kthread+0xef/0x120 Jul 23 16:52:33 <hostname> kernel: ? __pfx_kthread+0x10/0x10 Jul 23 16:52:33 <hostname> kernel: ret_from_fork+0x44/0x70 Jul 23 16:52:33 <hostname> kernel: ? __pfx_kthread+0x10/0x10 Jul 23 16:52:33 <hostname> kernel: ret_from_fork_asm+0x1b/0x30 Jul 23 16:52:33 <hostname> kernel: </TASK> Jul 23 16:52:33 <hostname> kernel: kauditd_printk_skb: 25 callbacks suppressed Jul 23 16:52:33 <hostname> kernel: audit: type=1400 audit(1721767953.652:363): apparmor="DENIED" operation="open" class="file" profile="rsyslogd" name="/run/systemd/sessions/" pid=1125 comm=72733A6D61696E20513A526567 requested_mask="r> Jul 23 16:53:01 <hostname> kernel: watchdog: BUG: soft lockup - CPU#3 stuck for 52s! [kworker/3:0:59929] ``` ** Affects: linux Importance: Undecided Status: New ** Tags: kernel-bug noble ** Package changed: pulseaudio (Ubuntu) => linux -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2073943 Title: e1000e soft lockup CPU when Ethernet is disconnected/reconnected To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/2073943/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
