It seems we got stuck here, I've done everything I was asked for, now we
need somebody kernel-competent to review what I've posted and... let's
hope it will not take too long. If anybody else is affected, please mark
so at the top ("this affects me too") - to give this bug more heat
points. Thanks
I'm also affected by this. Ping me if I can help move this along in any
way, I'm happy to test.
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Title:
touchpad doesn't work at all on ACER
Hi there, anything I can do more here to move this forward? I am aware
this might be a complicated issue to solve :/ Thanks a lot
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Title:
And since without `pci=nocrs` touchpad and touchscreen are not working at all,
attaching also second dmesg:
"""
$ cat /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-5.8.0-050800-generic
root=UUID=415eed75-e8aa-4b5a-a49d-51f5b103641e ro quiet splash i8042.nopnp=1
pci=nocrs "dyndbg=file drivers/pci/* +p"
OK, done, here is current dmesg on latest kernel with `"dyndbg=file
drivers/pci/* +p"`
precise boot parameters are:
"""
$ cat /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-5.8.0-050800-generic
root=UUID=415eed75-e8aa-4b5a-a49d-51f5b103641e ro quiet splash i8042.nopnp=1
"dyndbg=file drivers/pci/* +p"
Ad #27-1) Well, according to here
https://wiki.ubuntu.com/Kernel/BuildYourOwnKernel#Building_the_kernel it
seems I will need that _all.deb package, too, so, I'm on it...
installing all four:
"""
crysman@SPIN5:~/Downloads/kernels-Ubuntu$ sudo dpkg -i linux-*.deb
[sudo] password for crysman:
I've just found out there is no need to compile kernel myself in Ubuntu,
because this distro provides upstream kernel packages according to this:
https://wiki.ubuntu.com/Kernel/MainlineBuilds
So... I'm just downloading from here:
https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.8-rc4/
Namely
Yes please disable CONFIG_DEBUG_INFO_BTF.
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Title:
touchpad doesn't work at all on ACER Spin 5
To manage notifications about this bug go to:
I've just returned from vacation... willing to work/help on this issue -
I need an answer to whether if I may disable CONFIG_DEBUG_INFO_BTF as
proposed - see #24 thanks.
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@Bjorn, bad news, I got stuck in compiling on this:
"""
...
BTF: .tmp_vmlinux.btf: pahole version v1.15 is too old, need at least v1.16
Failed to generate BTF for vmlinux
Try to disable CONFIG_DEBUG_INFO_BTF
...
"""
I cannot compile newer Pahole
OK, compiling...
once a while I see a warning like this:
"""
function 'walk_remove_by_peer.isra.0':
/home/crysman/Downloads/kernels/unstable/drivers/net/wireguard/allowedips.c:121:1:
warning: the frame size of 1032 bytes is larger than 1024 bytes
[-Wframe-larger-than=]
"""
that is normal?
--
Yes, I think that kernel is fine.
You can leave the i8042.nopnp=1 in your kernel command line parameters.
Otherwise it looks right.
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Hi @Bjorn,
is this the right kernel to test on?
https://code.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/unstable/+ref/master-5.8
I'm just git-cloning it..
Once compiled and set, you need me to boot with 'quiet splash
dyndbg="file drivers/pci/* +p"' instead of current 'quiet splash
I've just updated to 5.4.0-40, going to reboot and test it now, if it
does not work, will try some 5.8 kernel with that parameter (if
successful with https://wiki.ubuntu.com/Kernel/BuildYourOwnKernel)
thanks
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Sorry for delay, I'll look into it on Thursday I hope - just letting you
know I'm still on it, just overwhelmed by work these days...
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Title:
** Tags added: hwe-touchpad
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Title:
touchpad doesn't work at all on ACER Spin 5
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1) Sorry, I don't have a PPA or similar kernel image for you to try.
2) I expected that Windows would move 00:1f.5 BAR 0 to be inside the
windows reported by the PCI0 _CRS, but the AIDA64 report shows
otherwise:
B00 D1F F05: Intel Ice Point-LP PCH - SPI (Flash) Controller
and here Device Resources Report
** Attachment added: "aida64_DeviceResources_report.log.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1884232/+attachment/5386799/+files/aida64_DeviceResources_report.log.txt
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ad 2) here you have AIDA64 ACPI report
** Attachment added: "aida64_ACPIreport.log.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1884232/+attachment/5386798/+files/aida64_ACPIreport.log.txt
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@Bjorn 3) would be helpful to try the kernel boot parameter dyndbg=...
provided in my current kernel (5.4.0-37-generic)?
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Title:
touchpad
attaching hwinfo log...
** Attachment added: "win_hwinfo64.log.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1884232/+attachment/5386772/+files/win_hwinfo64.log.txt
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Thank you Bjorn,
1) do you suggest building my own kernel locally according to here
https://wiki.ubuntu.com/Kernel/BuildYourOwnKernel or do you have any
specific kernel to use (like from PPA ?
2) I will get AIDA info for you, meanwhile, I'm already having this
output from hwinfo64 windows app
It looks like a BIOS bug to me.
But Windows does work, and Linux should, too. It looks like there's
plenty of available space for 00:1f.5 BAR 0. Can you try a current
version of Linux, e.g., v5.8-rc1 with the command line argument
'dyndbg="file drivers/pci/* +p"'? There were some significant
But once there is a consensus it's a BIOS bug, I will communicate it
with ACER to have it fixed (I hope).
Anyone has seen a similar error already?
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and no, unfortunately, officially there is no BIOS update available [
https://www.acer.com/ac/en/US/content/support-
product/8338?b=1=NX.HQUEC.003 ]
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Here it is - which lines you need to see? I am cautious here to post all
the lines due to security reasons, these data are quite confidential and
good-to-have if you want to crack/penetrate a system...
Thank you very much for your effort!
** Attachment added: "iomem.log.txt"
This looks like a BIOS defect. BIOS programmed BAR 0 to [mem
0xfe01-0xfe010fff], but according to the PCI0 _CRS method, that area
is not routed to the PCI bus:
ACPI: PCI Root Bridge [PCI0] (domain [bus 00-fe])
pci_bus :00: root bus resource [mem 0x000a-0x000b window]
OK, I've successfully installed Ubuntu.
Made successfully apt update && upgrade.
Modified kernel boot parameters:
$ cat /etc/default/grub | grep -i linux_default
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash i8042.nopnp=1 pci=nocrs"
#GRUB_CMDLINE_LINUX_DEFAULT="quiet splash"
And here I am attaching
** Attachment added: "dmesg_i8042.nopnp=1+pci=nocrs.log.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1884232/+attachment/5385430/+files/dmesg_i8042.nopnp%3D1+pci%3Dnocrs.log.txt
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[0.742017] pci :00:15.0: BAR 0: no space for [mem size 0x1000 64bit]
[0.742017] pci :00:15.0: BAR 0: failed to assign [mem size 0x1000
64bit]
[0.742019] pci :00:15.1: BAR 0: no space for [mem size 0x1000 64bit]
[0.742019] pci :00:15.1: BAR 0: failed to
I've tried adding these kernel parameters in GRUB before boot placing
them just between the "splash" and "---":
i8042.nopnp=1 pci=nocrs
(according to here
https://www.reddit.com/r/linuxquestions/comments/f9h0q4/touchpad_issue_lenovo_s14515iil/fmg277m/
)
And voila!
- Touchpad is working
-
** Attachment added: "xinput.txt"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1884232/+attachment/5385319/+files/xinput.txt
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Title:
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