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SubjectRe: [SOLVED] PROBLEM: Elan touchpad regression on Kernel 5.0.10
Hello,

After a cold restart, this problems seem to be solved automatically on kernel 5.0.10.

Regards,

On Tue, Apr 30, 2019, at 12:21, Outvi V wrote:
> Hello,
>
> [1.] One line summary of the problem: Elan touchpad regression on Kernel 5.0.10
>
> [2.] Full description of the problem/report:
> Elan touchpad does not work on 5.0.10 while working on 5.0.9
>
> [3.] Keywords: elan_i2c_core elan i2c touchpad 5.0.10
>
> [4.] Kernel information
> [4.1.] Kernel version:
> Linux version 5.0.10-arch1-1-ARCH (builduser@heftig-2592) (gcc
> version 8.3.0 (GCC)) #1 SMP PREEMPT Sat Apr 27 20:06:45 UTC 2019
> [4.2.] Kernel .config file:
> I'm not sure, but I think it may be referring to
>
> https://git.archlinux.org/svntogit/packages.git/tree/trunk/config?h=packages/linux
> [5.] Most recent kernel version which did not have the bug: 5.0.9
>
> [6.] Output of Oops.. message (if applicable) with symbolic information
> resolved (Not appliable)
> [7.] A small shell script or example program which triggers the
> problem: (Not appliable)
>
> [8.] Environment
> [8.1.] Software (add the output of the ver_linux script here)
>
> Linux sheltty 5.0.10-arch1-1-ARCH #1 SMP PREEMPT Sat Apr 27 20:06:45
> UTC 2019 x86_64 GNU/Linux
>
> GNU C 8.3.0
> GNU Make 4.2.1
> Binutils 2.32
> Util-linux 2.33.2
> Mount 2.33.2
> Module-init-tools 26
> E2fsprogs 1.45.0
> Jfsutils 1.1.15
> Reiserfsprogs 3.6.27
> Xfsprogs 4.20.0
> PPP 2.4.7
> Linux C Library 2.29
> Dynamic linker (ldd) 2.29
> Linux C++ Library 6.0.25
> Procps 3.3.15
> Kbd 2.0.4
> Console-tools 2.0.4
> Sh-utils 8.31
> Udev 242
> Modules Loaded 8021q 8250_dw ac ac97_bus acpi_thermal_rel
> aesni_intel aes_x86_64 agpgart ahci arc4 atkbd battery bbswitch
> bluetooth btbcm btintel btrtl btusb cfg80211 coretemp crc16
> crc32c_generic crc32c_intel crc32_pclmul crct10dif_pclmul cryptd
> crypto_simd crypto_user drm drm_kms_helper ecdh_generic elan_i2c evdev
> ext4 fat fb_sys_fops fscrypto garp ghash_clmulni_intel glue_helper hid
> hid_generic i2c_algo_bit i2c_hid i2c_i801 i8042 i915 idma64 input_leds
> int3400_thermal int3403_thermal int340x_thermal_zone intel_cstate
> intel_gtt intel_lpss intel_lpss_pci intel_pch_thermal intel_powerclamp
> intel_rapl intel_rapl_perf intel_soc_dts_iosf intel_uncore
> intel_wmi_thunderbolt ip_tables irqbypass iTCO_vendor_support iTCO_wdt
> jbd2 joydev kvm kvmgt kvm_intel ledtrig_audio libahci libata libphy
> libps2 llc mac80211 mac_hid mbcache mdev media mei mei_me mousedev mrp
> nls_cp437 nls_iso8859_1 pcc_cpufreq processor_thermal_device r8169
> r8822be realtek rfkill rng_core scsi_mod serio serio_raw snd
> snd_compress snd_hda_codec snd_hda_codec_generic snd_hda_codec_hdmi
> snd_hda_codec_realtek snd_hda_core snd_hda_ext_core snd_hda_intel
> snd_hwdep snd_pcm snd_pcm_dmaengine snd_soc_acpi
> snd_soc_acpi_intel_match snd_soc_core snd_soc_hdac_hda snd_soc_skl
> snd_soc_skl_ipc snd_soc_sst_dsp snd_soc_sst_ipc snd_timer soundcore stp
> syscopyarea sysfillrect sysimgblt tpm tpm_crb tpm_tis tpm_tis_core
> typec typec_ucsi ucsi_acpi usbhid uvcvideo vfat vfio vfio_iommu_type1
> vfio_mdev videobuf2_common videobuf2_memops videobuf2_v4l2
> videobuf2_vmalloc videodev wmi wmi_bmof x86_pkg_temp_thermal xhci_hcd
> xhci_pci x_tables
>
> [8.2.] Processor information (from /proc/cpuinfo): (Maybe not appliable)
> [8.3.] Module information (from /proc/modules):
>
> (Parts related to i2c and elan:)
>
> i2c_algo_bit 16384 1 i915, Live 0x0000000000000000
> i2c_hid 32768 0 - Live 0x0000000000000000
> hid 147456 3 hid_generic,usbhid,i2c_hid, Live 0x0000000000000000
> elan_i2c 49152 0 - Live 0x0000000000000000
> i2c_i801 36864 0 - Live 0x0000000000000000
>
> [8.4.] Loaded driver and hardware information (/proc/ioports, /proc/iomem)
>
> /proc/ioports:
> 0000-0000 : PCI Bus 0000:00
> 0000-0000 : dma1
> 0000-0000 : pic1
> 0000-0000 : iTCO_wdt
> 0000-0000 : timer0
> 0000-0000 : timer1
> 0000-0000 : keyboard
> 0000-0000 : PNP0C09:00
> 0000-0000 : EC data
> 0000-0000 : keyboard
> 0000-0000 : PNP0C09:00
> 0000-0000 : EC cmd
> 0000-0000 : rtc0
> 0000-0000 : dma page reg
> 0000-0000 : pic2
> 0000-0000 : dma2
> 0000-0000 : fpu
> 0000-0000 : PNP0C04:00
> 0000-0000 : iTCO_wdt
> 0000-0000 : pnp 00:02
> 0000-0000 : PCI conf1
> 0000-0000 : PCI Bus 0000:00
> 0000-0000 : pnp 00:02
> 0000-0000 : pnp 00:00
> 0000-0000 : ACPI PM1a_EVT_BLK
> 0000-0000 : ACPI PM1a_CNT_BLK
> 0000-0000 : ACPI PM_TMR
> 0000-0000 : ACPI CPU throttle
> 0000-0000 : ACPI PM2_CNT_BLK
> 0000-0000 : pnp 00:04
> 0000-0000 : ACPI GPE0_BLK
> 0000-0000 : pnp 00:01
> 0000-0000 : PCI Bus 0000:08
> 0000-0000 : 0000:08:00.0
> 0000-0000 : PCI Bus 0000:07
> 0000-0000 : 0000:07:00.0
> 0000-0000 : r8822be
> 0000-0000 : PCI Bus 0000:01
> 0000-0000 : 0000:01:00.0
> 0000-0000 : 0000:00:02.0
> 0000-0000 : 0000:00:1f.4
> 0000-0000 : i801_smbus
> 0000-0000 : 0000:00:17.0
> 0000-0000 : ahci
> 0000-0000 : 0000:00:17.0
> 0000-0000 : ahci
> 0000-0000 : 0000:00:17.0
> 0000-0000 : ahci
>
>
> [8.5.] PCI information
> It seems to be long (over 700 lines) and unrelated to this
> regression. Omitted to avoid flooding. I've kept an archive so feel
> free to ask me to post it if needed.
>
> [8.6.] SCSI information (from /proc/scsi/scsi): (Empty)
> [8.7.] Other information that might be relevant to the problem:
>
> dmesg is constantly showing "elan_i2c i2c-ELAN061B:00: invalid report
> id data (d)".
> I checked the git log and it is likely to be related to commit
> "95df599f95f398b0a34d081dadfdee3126e58163".
> I'm using Arch Linux, its kernel repository link: [1]
> I checked the related file "elan_i2c_core.c" in Arch Linux's kernel
> repository [2], and it is the same as in 5.0.10 on kernel.org.
> My laptop is a Lenovo Legion Y7000.
>
> Links:
> [1]. https://git.archlinux.org/linux.git
> [2].
> https://git.archlinux.org/linux.git/tree/drivers/input/mouse/elan_i2c_core.c?h=v5.0.10-arch1
>
> Please don't hesitate if more information or operation is needed.

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