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mrfabiolo
Tux's lil' helper
Joined: 02 Jan 2011
Posts: 98
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 Posted: Fri Sep 07, 2018 11:50 pm Post subject: [SOLVED] kernel panic on Chromebook |
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I tried to install Gentoo amd64 on my Chromebook (Acer CB3-111).
I used SystemRescueCD.
I compiled the kernel by myself (latest stable gentoo-sources), adding just few things. I thought everything was fine. But after reboot...
I took a screenshot, these are the errors,
https://image.ibb.co/g7aHpp/IMG_20180908_013333.jpg
Previously, on this chromebook, I successfully installed ArchLinux, GalliumOS ecc.
Any ideas? I could re-enter with chroot if I know what to do.
Last edited by mrfabiolo on Tue Sep 25, 2018 11:03 am; edited 1 time in total |
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NeddySeagoon
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Joined: 05 Jul 2003
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Location: 56N 3W
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| Posted: Sat Sep 08, 2018 8:33 am Post subject: |
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mrfabiolo,
We need the panic message text that appeared before the CPU and kernel state dump.
Some things to try ...
Post your lspci output and put your kernel .config file onto a pastebin site.
I suspect that your 'HDD' is actually eMMC and you don't have the driver in the kernel, or its something that needs GPIO enabled and you don't have it.
Those two things will let helpers check that your kernel matches your hardware.
Boot to your grub screen and press 'e' follow the instructions to find the kernel line and append rootwait=30
The kernel will wait for 30 seconds before trying to mount root.
If there is a pause before the panic, its probably related to mounting root.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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mrfabiolo
Tux's lil' helper
Joined: 02 Jan 2011
Posts: 98
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| Posted: Sat Sep 08, 2018 12:31 pm Post subject: |
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I don't know how to view the panic message text that appeared before the CPU and kernel state dump, can you explain?
I have an eMMC with only one ext4 partition.
This is my /etc/fstab
| Code: | | /dev/mmcblk0p1 / ext4 noatime,discard 0 1 |
This is my lspci -k (from SystemRescueCD):
| Code: | 00:00.0 Host bridge: Intel Corporation Atom Processor Z36xxx/Z37xxx Series SoC Transaction Register (rev 0e)
Subsystem: Intel Corporation Atom Processor Z36xxx/Z37xxx Series SoC Transaction Register
Kernel driver in use: iosf_mbi_pci
00:02.0 VGA compatible controller: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Graphics & Display (rev 0e)
Subsystem: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Graphics & Display
Kernel driver in use: i915
Kernel modules: i915
00:14.0 USB controller: Intel Corporation Atom Processor Z36xxx/Z37xxx, Celeron N2000 Series USB xHCI (rev 0e)
Subsystem: Intel Corporation Atom Processor Z36xxx/Z37xxx, Celeron N2000 Series USB xHCI
Kernel driver in use: xhci_hcd
00:1a.0 Encryption controller: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Trusted Execution Engine (rev 0e)
Kernel modules: mei_txe
00:1b.0 Audio device: Intel Corporation Atom Processor Z36xxx/Z37xxx Series High Definition Audio Controller (rev 0e)
Subsystem: Intel Corporation Atom Processor Z36xxx/Z37xxx Series High Definition Audio Controller
00:1c.0 PCI bridge: Intel Corporation Atom Processor E3800 Series PCI Express Root Port 1 (rev 0e)
Kernel driver in use: pcieport
Kernel modules: shpchp
00:1f.0 ISA bridge: Intel Corporation Atom Processor Z36xxx/Z37xxx Series Power Control Unit (rev 0e)
Kernel driver in use: lpc_ich
Kernel modules: lpc_ich
01:00.0 Network controller: Intel Corporation Wireless 7260 (rev 6b)
Subsystem: Intel Corporation Dual Band Wireless-AC 7260
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi |
This is the .config of kernel which panic:
https://pastebin.com/XvRGivn2
I appended "rootwait=30" in grub, like this:
| Code: | setparams 'Gentoo GNU/Linux'
[...]
linux /boot/vmlinuz-4.14.65-gentoo root=/dev/mmcblk0p1 rootwait=30 ro |
but after boot it takes just two seconds before panicking.
I'm sure I've included mei_txe in kernel. |
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Jaglover
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NeddySeagoon
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Joined: 05 Jul 2003
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| Posted: Sat Sep 08, 2018 1:29 pm Post subject: |
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mrfabiolo,
You did what I said correctly but I messed up with rootwait. rootwait does not take a time. It waits forever for the root filesystem to become available.
I meant to say rootdelay=30.
I was thinking about both rootwait will stall the boot process with no error.
rootdelay=30 will give you a 30 second delay before the panic.
Sorry about that.
Looking at your lspci and kernel together. Your eMMC controller is not a PCI device, or it would be listed there.
You don't have Kernel modules: shpchp enabled in your kernel.
In the MMC hardware drivers list, they are all off.
| Code: | # MMC/SD/SDIO Host Controller Drivers
#
# CONFIG_MMC_DEBUG is not set
# CONFIG_MMC_SDHCI is not set
# CONFIG_MMC_WBSD is not set
# CONFIG_MMC_TIFM_SD is not set
# CONFIG_MMC_SDRICOH_CS is not set
# CONFIG_MMC_CB710 is not set
# CONFIG_MMC_VIA_SDMMC is not set
# CONFIG_MMC_VUB300 is not set
# CONFIG_MMC_USHC is not set
# CONFIG_MMC_USDHI6ROL0 is not set
# CONFIG_MMC_TOSHIBA_PCI is not set
# CONFIG_MMC_MTK is not set |
you will need one of those but not anything with PCI in its name.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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mrfabiolo
Tux's lil' helper
Joined: 02 Jan 2011
Posts: 98
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| Posted: Sat Sep 08, 2018 4:12 pm Post subject: |
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with "rootdelay=30" now it stops 30 seconds before panicking:
https://image.ibb.co/e3nkAU/IMG_20180908_173024.jpg
I tried with all flags set, and also without the flags with "PCI ", but nothing changed.
https://image.ibb.co/gF5Bjp/IMG_20180908_175344.jpg
this is "dmesg | grep -i mmc" (from SystemRescueCD)
| Code: | [ 0.037745] PCI: MMCONFIG for domain 0000 [bus 00-ff] at [mem 0xe0000000-0xefffffff] (base 0xe0000000)
[ 0.038009] PCI: MMCONFIG at [mem 0xe0000000-0xefffffff] reserved in E820
[ 5.604248] sr 0:0:0:1: [sr0] scsi3-mmc drive: 48x/48x tray
[ 18.750097] mmc0: SDHCI controller on ACPI [80860F14:00] using ADMA
[ 18.753330] mmc1: SDHCI controller on ACPI [80860F16:00] using ADMA
[ 18.963980] mmc0: new HS200 MMC card at address 0001
[ 19.606466] mmcblk0: mmc0:0001 HAG2e 14.7 GiB
[ 19.606564] mmcblk0boot0: mmc0:0001 HAG2e partition 1 4.00 MiB
[ 19.606646] mmcblk0boot1: mmc0:0001 HAG2e partition 2 4.00 MiB
[ 19.606720] mmcblk0rpmb: mmc0:0001 HAG2e partition 3 4.00 MiB
[ 19.631771] mmcblk0: p1
[ 529.185586] scsi 1:0:0:0: Direct-Access Generic- SD/MMC/MS PRO 1.00 PQ: 0 ANSI: 4 |
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NeddySeagoon
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Joined: 05 Jul 2003
Posts: 54794
Location: 56N 3W
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| Posted: Sat Sep 08, 2018 7:08 pm Post subject: |
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mrfabiolo,
It looks like the panic is due to not mounting root.
| Code: | [ 18.750097] mmc0: SDHCI controller on ACPI [80860F14:00] using ADMA
[ 18.753330] mmc1: SDHCI controller on ACPI [80860F16:00] using ADMA |
You need the SDHCI MMC controller and you have two mmc slots.
I suspect that one is external and the other is your internal eMMC memory.
| Code: | | SDHCI controller on ACPI |
is the kernel hint.
| Code: | | [ 19.606466] mmcblk0: mmc0:0001 HAG2e 14.7 GiB |
That will be 16GB (salesmans)
I guess that's the eMMC.
ACPI is important here.
| Code: | # CONFIG_HOTPLUG_PCI_ACPI is not set
# CONFIG_HOTPLUG_PCI_CPCI is not set
# CONFIG_HOTPLUG_PCI_SHPC is not set |
I suspect you need either CONFIG_HOTPLUG_PCI_ACP or CONFIG_HOTPLUG_PCI_SHPC. Your lspci shovs that the latter is in use.
I knew I remembered something about similar hardware.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
those that have never had a hard drive fail. |
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mrfabiolo
Tux's lil' helper
Joined: 02 Jan 2011
Posts: 98
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| Posted: Sat Sep 08, 2018 9:20 pm Post subject: |
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Yes, I have an internal eMMC (16GB), and a slot for external SDCards.
I compiled the kernel with:
CONFIG_HOTPLUG_PCI_ACPI
and
CONFIG_HOTPLUG_PCI_SHPC
I've got CONFIG_MMC_SDHCI, CONFIG_INTEL_MEI_TXE etc.
But nothing changed. Still panicking, same errors. |
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NeddySeagoon
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Location: 56N 3W
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| Posted: Sat Sep 08, 2018 9:46 pm Post subject: |
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mrfabiolo,
Lets do some sanity checking.
Mount your gentoo root but there is no need to chroot. If you don't put /mnt/gentoo/ on the front of the pathnames.
Check the timestamps on the following files,
| Code: | | /usr/src/linux/.config |
It all starts here, this should be the oldest file.
| Code: | | /usr/src/linux/arch/x86/boot/bzImage |
This is the kernel binary. If it was made from the .config above, it must be newer.
It should have the same timestamp as bzImage.
If you have several kernel files in /boot, are you sure that grub is loading the newest one?
is a menu. You also need the | Code: | | <*> SDHCI support for ACPI enumerated SDHCI controllers |
inside that menu.
I'm not sure if | Code: | | <*> SDHCI platform and OF driver helper |
is needed too.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
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mrfabiolo
Tux's lil' helper
Joined: 02 Jan 2011
Posts: 98
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| Posted: Sun Sep 09, 2018 1:38 am Post subject: |
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Everything seems fine. I did the sanity checking. But it panics.
So I tried this way: I removed everything and recompile from scratch:
| Code: | emerge --unmerge gentoo-sources
rm -r /usr/src/*
rm -r /lib/modules/*
rm /boot/vmlinuz*
rm /boot/config* |
and recompile:
| Code: | emerge gentoo-sources
make menuconfig
make -j2 && make -j2 modules_install
make install
grub-install /dev/mmcblk0
grub-mkconfig -o /boot/grub/grub.cfg
and reboot |
Inside "make menuconfig" I selected almost everything, all the flags we mentioned up to now, just to be sure.
But it panics anyway.
NeddySeagoon, you are very kind helping me, if you have any other idea, I'm all ears. |
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NeddySeagoon
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Posts: 54794
Location: 56N 3W
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| Posted: Sun Sep 09, 2018 9:07 am Post subject: |
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mrfabiolo,
Try genkernel as a workaround.
| Code: | emerge genkernel
genkernel all |
If that still fails, there is genkernel-next, which is still in testing.
I have a feeling that you need PINCTL and one of the options in the PINCTL menu but I don't know which and google is not being my friend.
genkernel will build you a fully modular kernel and an initrd, then put the bits into /boot
You will need to tell grub about the genkernel kernel.
Its not a fix, its just to get you a working kernel, so you can move on with your install, then come back to the kernel later.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
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mrfabiolo
Tux's lil' helper
Joined: 02 Jan 2011
Posts: 98
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| Posted: Sun Sep 09, 2018 10:49 pm Post subject: |
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I tried with genkernel, but It still fails:
https://image.ibb.co/k33kUp/IMG_20180909_210704.jpg
Then I tried with genkernel-next, but It's the same.
It's strange. With other distros it worked.
I tried putting root=/dev/mmcblk0p1 inside grub, and even rootfstype=ext4, but nothing. |
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russK
l33t
Joined: 27 Jun 2006
Posts: 665
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| Posted: Mon Sep 10, 2018 12:12 am Post subject: |
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mrfabiolo,
At this point and can sometimes be helpful to enter 'shell" and start looking around with the busybox tools available. |
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Jaglover
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Posts: 8291
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mrfabiolo
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Jaglover
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mrfabiolo
Tux's lil' helper
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| Posted: Mon Sep 10, 2018 10:57 am Post subject: |
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I tried adding PINCTRL but nothing. Still the same.
Here is my .config:
http://dpaste.com/2QZ0DZP |
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Jaglover
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NeddySeagoon
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| Posted: Mon Sep 10, 2018 12:41 pm Post subject: |
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mrfabiolo,
Boot the broken genkernel kernel, we need the shell.
When mounting root fails, type shell, as the message suggests.
In the shell have a look around /dev
will be particularly interesting.
I suspect it returns nothing, meaning the (e)MMC cards are not visible to the kernel.
What aboutis case your block devices have been mapped to the SCSI subsystem.
Whatever, the initrd is looking for root by the filesystem UUID and its not found. That means that there is no available filesystem with the given UUID.
Either because the UUID itself is not correct or the filesystem is not on any visible device.
-- edit --
From your kernel .config, genkernel has
| Code: | | # CONFIG_MMC_SDHCI_ACPI is not set |
and we know from previous dmesg that you need that.
genkernel isn't clever. It uses a .config file that is distributed with the package.
You need to help it.
| Code: | | genkernel -menuconfig all |
It might be --menuconfig will let you adjust the config before the build goes ahead.
Set MMC_SDHCI_ACPI to <*> because I have no idea if the module will get loaded.
That may mean that you have to go back up the menu system and set other things from <m> to <*>.
That's OK, its not an error to attempt to load a module thats already loaded or built in.
CONFIG_PINCTRL and the menu items are already set.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
those that do backups
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mrfabiolo
Tux's lil' helper
Joined: 02 Jan 2011
Posts: 98
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| Posted: Mon Sep 24, 2018 11:34 pm Post subject: |
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Sorry for making you wait so long.
I've solved everything. All of my hardware now works perfectly: eMMC (internel and external), wifi, audio, etc.
After a clean install of Gentoo, These are the only items I set with "make --menuconfig":
| Code: | Processor type and features --->
[*] Intel Low Power Subsystem Support (PINCTRL)
Bus options (PCI etc.) --->
[*] Support for PCI Hotplug --->
<*> SHPC PCI Hotplug driver
[*] Networking support --->
<*> Bluetooth subsystem support --->
<*> HIDP protocol support
Bluetooth device drivers --->
<*> HCI USB driver
Device Drivers --->
Multifunction device drivers --->
<*> Intel ICH LPC
Misc devices --->
<M> Intel Trusted Execution Environment with ME Interface # MEI_TXE
<*> MMC/SD/SDIO card support --->
<*> Secure Digital Host Controller Interface support
<*> SDHCI support for ACPI enumerated SDHCI controllers
[*] USB support --->
<*> xHCI HCD (USB 3.0) support
I2C support --->
I2C Hardware Bus support --->
<*> Synopsys DesignWare Platform
[*] Intel Baytrail I2C semaphore support
Input device support --->
[*] Mice --->
<*> ELAN I2C Touchpad support
[*] Network device support --->
<*> USB Network Adapters --->
<*> Multi-purpose USB Networking Framework
Wireless LAN ---> (solo Chromebook)
<M> Intel Wireless WiFi Next Gen AGN - Wireless-N/Advanced-N/Ultimate-N (iwlwifi)
<M> Intel Wireless WiFi MVM Firmware support
<*> Multimedia support --->
[*] Cameras/video grabbers support
[*] Media USB Adapters --->
<*> USB Video Class (UVC)
[*] GPIO Support --->
Pin controllers --->
[*] Intel Baytrail GPIO pin control
<*> Sound card support --->
<*> Advanced Linux Sound Architecture --->
<*> ALSA for SoC audio support --->
<M> ASoC Audio driver for Intel Baytrail with MAX98090 codec
FileSystem --->
DOS/FAT/NT Filesystems --->
<*> NTFS file system support
<*> NTFS write support |
There are many others items that make these ones non-selectable. And there are others that do not need to be selected otherwise the kernel will panic. |
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NeddySeagoon
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| Posted: Tue Sep 25, 2018 9:04 am Post subject: |
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mrfabiolo,
Well done!
Thank you for your post, others will find it in the future.
_________________
Regards,
NeddySeagoon
Computer users fall into two groups:-
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Kernel & Hardware
