What kernel version have this issue and what kernel version don't have? -- 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/1825841
Title: Laptop battery drains while suspend since 18.04 , even in deep sleep (STR) Status in linux package in Ubuntu: Confirmed Bug description: Hi, 1) My laptop battery drains very fast while suspend, which prevent using suspend-to-ram as I almost always find the laptop shut down due to battery being empty. I Observed this problem since my upgrade from 16.04 to 18.04 on my Laptop. It's Toshiba Portege. Suspend does work fine but battery drains while suspend; it was working pretty well in Ubuntu 16.04. I suspect a kind of regression in the i915 driver for now, but did not find any evident of this. After a suspend to ram, we can observe a kind of crash in the i915 driver suspend_late code : [ 475.970946] ------------[ cut here ]------------ [ 475.970947] Display power well on [ 475.971009] WARNING: CPU: 0 PID: 7579 at /build/linux-6ZmFRN/linux-4.15.0/drivers/gpu/drm/i915/intel_display.c:8696 assert_can_disable_lcpll+0x3b3/0x480 [i915] [ 475.971010] Modules linked in: rfcomm ccm cmac bnep cdc_mbim uvcvideo cdc_wdm qcserial cdc_ncm usb_wwan usbserial usbnet mii btusb btrtl btbcm videobuf2_vmalloc btintel videobuf2_memops videobuf2_v4l2 videobuf2_core bluetooth videodev media ecdh_generic msr arc4 snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi snd_hda_intel snd_hda_codec snd_hda_core snd_hwdep snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp iwlmvm kvm_intel kvm mac80211 irqbypass snd_seq intel_cstate intel_rapl_perf iwlwifi snd_seq_device snd_timer joydev cfg80211 input_leds serio_raw wmi_bmof snd rtsx_pci_ms memstick lpc_ich shpchp mei_me toshiba_acpi mei soundcore sparse_keymap toshiba_bluetooth industrialio tpm_infineon mac_hid sch_fq_codel parport_pc [ 475.971045] ppdev lp parport ip_tables x_tables autofs4 algif_skcipher af_alg dm_crypt i915 crct10dif_pclmul crc32_pclmul ghash_clmulni_intel pcbc rtsx_pci_sdmmc i2c_algo_bit aesni_intel aes_x86_64 crypto_simd glue_helper cryptd psmouse drm_kms_helper syscopyarea ahci sysfillrect libahci sysimgblt e1000e fb_sys_fops drm rtsx_pci ptp pps_core video wmi [ 475.971062] CPU: 0 PID: 7579 Comm: kworker/u16:7 Not tainted 4.15.0-47-generic #50-Ubuntu [ 475.971063] Hardware name: TOSHIBA PORTEGE Z30-B/PORTEGE Z30-B, BIOS Version 3.20 04/09/2015 [ 475.971066] Workqueue: events_unbound async_run_entry_fn [ 475.971087] RIP: 0010:assert_can_disable_lcpll+0x3b3/0x480 [i915] [ 475.971088] RSP: 0018:ffffa96642bbfd00 EFLAGS: 00010286 [ 475.971089] RAX: 0000000000000000 RBX: ffff9bf98b0a8000 RCX: ffffffffbca62768 [ 475.971090] RDX: ffffffffbca62768 RSI: 0000000000000082 RDI: 0000000000000202 [ 475.971091] RBP: ffffa96642bbfd20 R08: 0000000000000000 R09: 0000000000000015 [ 475.971091] R10: 0000000000000600 R11: 0000000000000340 R12: ffff9bf98b0a8358 [ 475.971092] R13: ffff9bf98b0a8368 R14: ffffffffc0580baf R15: 0000000000000000 [ 475.971093] FS: 0000000000000000(0000) GS:ffff9bf9a1400000(0000) knlGS:0000000000000000 [ 475.971094] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 475.971095] CR2: 00007fb1afffeeb6 CR3: 000000011e20a005 CR4: 00000000003606f0 [ 475.971096] Call Trace: [ 475.971117] hsw_enable_pc8+0x87/0x310 [i915] [ 475.971129] i915_drm_suspend_late+0xdb/0x140 [i915] [ 475.971141] i915_pm_suspend_late+0x20/0x30 [i915] [ 475.971143] pm_generic_suspend_late+0x2e/0x40 [ 475.971145] pci_pm_suspend_late+0x31/0x40 [ 475.971147] dpm_run_callback+0x5a/0x150 [ 475.971149] ? pci_pm_poweroff_late+0x40/0x40 [ 475.971151] __device_suspend_late+0xc6/0x1d0 [ 475.971152] async_suspend_late+0x1f/0xa0 [ 475.971154] async_run_entry_fn+0x3c/0x150 [ 475.971156] process_one_work+0x1de/0x410 [ 475.971158] worker_thread+0x32/0x410 [ 475.971160] kthread+0x121/0x140 [ 475.971161] ? process_one_work+0x410/0x410 [ 475.971163] ? kthread_create_worker_on_cpu+0x70/0x70 [ 475.971166] ret_from_fork+0x35/0x40 [ 475.971167] Code: d5 ff 48 8b 83 18 07 00 00 e9 b0 fd ff ff 89 ce 4c 89 f7 e8 90 fc 1a fb 0f 0b e9 99 fc ff ff 48 c7 c7 c9 0b 58 c0 e8 7d fc 1a fb <0f> 0b e9 b5 fc ff ff 48 c7 c7 7a 0c 58 c0 e8 6a fc 1a fb 0f 0b [ 475.971192] ---[ end trace 91209fe53f0c0cc2 ]--- By using a more recent kernel (4.18), I get a crash in the pc8 disable function. I am not sure whether this thread backtrace is responsible for the battery drain or not. I also read Intel open source site to help debug this, without success for now : * https://01.org/blogs/rzhang/2015/best-practice-debug-linux-suspend/hibernate-issues The analyze_suspend.py script produced some bunch of data, if anyone needs them to understand what's happening while system is suspended, I can publish them. Other sources of information I consulted : * https://askubuntu.com/questions/1072066/sleep-mode-drains-battery- very-fast * https://www.reddit.com/r/Dell/comments/8b6eci/xp_13_9370_battery_drain_while_suspended/ I confirm my system is going to "deep" sleep and not "s2idle" sleep mode, which would explain the battery drain... Other information : Description: Ubuntu 18.04.1 LTS Release: 18.04 Version signature: Ubuntu 4.15.0-47.50-generic 4.15.18 ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: linux-image-4.15.0-47-generic 4.15.0-47.50 ProcVersionSignature: Ubuntu 4.15.0-47.50-generic 4.15.18 Uname: Linux 4.15.0-47-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.2 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: developer 1892 F.... pulseaudio /dev/snd/controlC0: developer 1892 F.... pulseaudio Date: Mon Apr 22 15:28:18 2019 HibernationDevice: RESUME=UUID=ccf63454-6e63-4ebe-978f-19247dbcf601 InstallationDate: Installed on 2018-03-17 (401 days ago) InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018) MachineType: TOSHIBA PORTEGE Z30-B ProcEnviron: LANGUAGE= TERM=xterm-256color PATH=(custom, no user) LANG=fr_FR.UTF-8 SHELL=/bin/bash ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.15.0-47-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=1 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-4.15.0-47-generic N/A linux-backports-modules-4.15.0-47-generic N/A linux-firmware 1.173.3 SourcePackage: linux UpgradeStatus: Upgraded to bionic on 2018-12-30 (112 days ago) dmi.bios.date: 04/09/2015 dmi.bios.vendor: TOSHIBA dmi.bios.version: Version 3.20 dmi.board.asset.tag: 0000000000 dmi.board.name: PORTEGE Z30-B dmi.board.vendor: TOSHIBA dmi.board.version: Version A0 dmi.chassis.asset.tag: 0000000000 dmi.chassis.type: 10 dmi.chassis.vendor: TOSHIBA dmi.chassis.version: Version 1.0 dmi.modalias: dmi:bvnTOSHIBA:bvrVersion3.20:bd04/09/2015:svnTOSHIBA:pnPORTEGEZ30-B:pvrPT253E-025017FR:rvnTOSHIBA:rnPORTEGEZ30-B:rvrVersionA0:cvnTOSHIBA:ct10:cvrVersion1.0: dmi.product.family: 0000000000 dmi.product.name: PORTEGE Z30-B dmi.product.version: PT253E-025017FR dmi.sys.vendor: TOSHIBA To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1825841/+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
