Kubuntu 24.04 freezes after plugging in ethernet cable

[samvimes]

I can reliably reproduce this freeze by:

1. Waking my Thinkpad T490 from suspend
2. Plugging in the ethernet cable

The result is a total system freeze; it's not possible to do anything, neither mouse nor keyboard work - the only way to shutdown is via REISUB.

I've attached a dmesg log, starting at the time I plugged in the cable.

It starts with:
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: e1000e 0000:00:1f.6 enp0s31f6: NIC Link is Up 1000 Mbps Half Duplex, Flow Control: None
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: BUG: scheduling while atomic: kworker/7:4/23723/0x00000002
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: Modules linked in: bnep snd_seq_dummy snd_hrtimer snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device cmac ccm nf_tables libcrc32c qrtr snd_sof_pci_intel_cnl snd_sof_intel_hda_common soundwire_intel snd_sof_intel_hda_mlink soundwire_cadence snd_sof_intel_hda snd_sof_pci snd_hda_codec_hdmi snd_sof_xtensa_dsp snd_sof snd_sof_utils snd_soc_hdac_hda snd_hda_ext_core snd_ctl_led snd_soc_acpi_intel_match snd_soc_acpi snd_hda_codec_realtek soundwire_generic_allocation snd_hda_codec_generic soundwire_bus snd_soc_core intel_uncore_frequency snd_compress ac97_bus intel_uncore_frequency_common snd_pcm_dmaengine intel_pmc_core_pltdrv intel_pmc_core snd_hda_intel binfmt_misc btusb intel_vsec uvcvideo btrtl snd_intel_dspcfg pmt_telemetry cmdlinepart videobuf2_vmalloc pmt_class snd_intel_sdw_acpi btintel iwlmvm processor_thermal_device_pci_legacy uvc spi_nor intel_tcc_cooling snd_hda_codec btbcm processor_thermal_device videobuf2_memops processor_thermal_wt_hint x86_pkg_temp_thermal nls_iso8859_1 mtd
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: mei_hdcp mei_pxp ee1004 intel_rapl_msr mac80211 videobuf2_v4l2 btmtk snd_hda_core intel_powerclamp videodev snd_hwdep processor_thermal_rfim i915 libarc4 bluetooth coretemp processor_thermal_rapl iwlwifi snd_pcm drm_buddy videobuf2_common spi_intel_pci think_lmi rapl intel_rapl_common ecdh_generic ttm processor_thermal_wt_req intel_cstate drm_display_helper i2c_i801 firmware_attributes_class intel_wmi_thunderbolt mc wmi_bmof ecc processor_thermal_power_floor spi_intel mei_me snd_timer cec cfg80211 i2c_smbus processor_thermal_mbox rc_core intel_soc_dts_iosf mei i2c_algo_bit intel_pch_thermal thinkpad_acpi int3403_thermal nvram int340x_thermal_zone int3400_thermal acpi_thermal_rel acpi_pad joydev input_leds mac_hid serio_raw msr parport_pc ppdev lp parport efi_pstore nfnetlink dmi_sysfs ip_tables x_tables autofs4 hid_generic usbhid hid dm_crypt rtsx_pci_sdmmc crct10dif_pclmul crc32_pclmul polyval_clmulni polyval_generic nvme ghash_clmulni_intel snd sha256_ssse3 intel_lpss_pci ucsi_acpi nvme_core soundcore
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: typec_ucsi sha1_ssse3 intel_lpss xhci_pci video psmouse e1000e rtsx_pci nvme_auth idma64 typec xhci_pci_renesas ledtrig_audio platform_profile wmi pinctrl_cannonlake aesni_intel crypto_simd cryptd
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: CPU: 7 PID: 23723 Comm: kworker/7:4 Not tainted 6.8.0-38-generic #38-Ubuntu
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: Hardware name: LENOVO 20N3S7BC02/20N3S7BC02, BIOS N2IETA4W (1.82 ) 02/22/2024
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: Workqueue: events e1000_watchdog_task [e1000e]
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: Call Trace:
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: <TASK>
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: dump_stack_lvl+0x76/0xa0
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: dump_stack+0x10/0x20
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: __schedule_bug+0x64/0x80
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: schedule_debug.isra.0+0xdb/0x130
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: __schedule+0x69/0x6b0
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: schedule+0x33/0x110
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: schedule_hrtimeout_range_clock+0xbc/0x150
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: ? __pfx_hrtimer_wakeup+0x10/0x10
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: schedule_hrtimeout_range+0x13/0x30
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: usleep_range_state+0x65/0xa0
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: e1000e_read_phy_reg_mdic+0x98/0x2a0 [e1000e]
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: e1000e_update_phy_stats+0x85/0x290 [e1000e]
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: e1000e_update_stats+0x4c9/0x4e0 [e1000e]
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: e1000_watchdog_task+0xf7/0xa80 [e1000e]
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: process_one_work+0x16c/0x350
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: worker_thread+0x306/0x440
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: ? _raw_spin_lock_irqsave+0xe/0x20
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: ? __pfx_worker_thread+0x10/0x10
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: kthread+0xef/0x120
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: ? __pfx_kthread+0x10/0x10
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: ret_from_fork+0x44/0x70
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: ? __pfx_kthread+0x10/0x10
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: ret_from_fork_asm+0x1b/0x30
Jul 17 10:02:20 matthias-ThinkPad-T490 kernel: </TASK>
Jul 17 10:02:24 matthias-ThinkPad-T490 kwin_x11[2256]: kwin_core: XCB error: 152 (BadDamage), sequence: 64603, resource id: 14990918, major code: 143 (DAMAGE), minor code: 3 (Subtract)
Jul 17 10:02:45 matthias-ThinkPad-T490 kernel: watchdog: BUG: soft lockup - CPU#7 stuck for 26s! [kworker/7:1:27982]

ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: linux-image-6.8.0-38-generic 6.8.0-38.38
ProcVersionSignature: Ubuntu 6.8.0-38.38-generic 6.8.8
Uname: Linux 6.8.0-38-generic x86_64
ApportVersion: 2.28.1-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/seq: matthias 2025 F.... pipewire
 /dev/snd/controlC0: matthias 2027 F.... wireplumber
CRDA: N/A
CasperMD5CheckResult: pass
CurrentDesktop: KDE
Date: Wed Jul 17 10:24:15 2024
InstallationDate: Installed on 2022-12-13 (582 days ago)
InstallationMedia: Kubuntu 22.10 "Kinetic Kudu" - Release amd64 (20221020)
Lsusb:
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
 Bus 001 Device 002: ID 093a:2510 Pixart Imaging, Inc. Optical Mouse
 Bus 001 Device 003: ID 04f2:b681 Chicony Electronics Co., Ltd ThinkPad T490 Webcam
 Bus 001 Device 004: ID 06cb:00bd Synaptics, Inc. Prometheus MIS Touch Fingerprint Reader
 Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
MachineType: LENOVO 20N3S7BC02
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.8.0-38-generic root=/dev/mapper/vgkubuntu-root ro quiet splash vt.handoff=7
RelatedPackageVersions:
 linux-restricted-modules-6.8.0-38-generic N/A
 linux-backports-modules-6.8.0-38-generic N/A
 linux-firmware 20240318.git3b128b60-0ubuntu2.1
SourcePackage: linux
UpgradeStatus: Upgraded to noble on 2024-06-24 (23 days ago)
dmi.bios.date: 02/22/2024
dmi.bios.release: 1.82
dmi.bios.vendor: LENOVO
dmi.bios.version: N2IETA4W (1.82 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20N3S7BC02
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.ec.firmware.release: 1.26
dmi.modalias: dmi:bvnLENOVO:bvrN2IETA4W(1.82):bd02/22/2024:br1.82:efr1.26:svnLENOVO:pn20N3S7BC02:pvrThinkPadT490:rvnLENOVO:rn20N3S7BC02:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_20N3_BU_Think_FM_ThinkPadT490:
dmi.product.family: ThinkPad T490
dmi.product.name: 20N3S7BC02
dmi.product.sku: LENOVO_MT_20N3_BU_Think_FM_ThinkPad T490
dmi.product.version: ThinkPad T490
dmi.sys.vendor: LENOVO

[Impact]
Intel e1000e driver will be hang after suspend due to:
861e8086029e ("e1000e: move force SMBUS from enable ulp function to avoid PHY loss issue")

[Fix]
Adjust the smbus logic during suspend to fix the issue.
Upstream fix:
bfd546a552e1 e1000e: move force SMBUS near the end of enable_ulp function
76a0a3f9cc2f e1000e: fix force smbus during suspend flow

[Test]
Bug reporter tested on hardware, e1000e works fine after suspend.

[Where problems could occur]
It may break e1000e driver.

[AaronMa (mapengyu)]

It should be the issue as following:

https://lore<email address hidden>/

and fixed by:
https://<email address hidden>/
https://lore.kernel<email address hidden>/

[AaronMa (mapengyu)]

Could you try the test kernel that backported 2 commits above?

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2073047/comments/7

[samvimes (samvimes)]

The kernel from https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2073047/comments/7 does seem to fix the problem. I've now repeated the process (waking from suspend + plugging in ethernet) two times without problems (I've also had to disable secure boot but that doesn't have an effect here, I guess)

[AaronMa (mapengyu)]

Thanks, samvimes

Yes, it's built by myself, no sign, so secure boot should be disabled.

I will do SRU for the 2 commits. Then proposed kernel will be signed.