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2020/02/28, 08:29:13


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Author [EN] [PL] [ES] [PT] [IT] [DE] [FR] [NL] [TR] [SR] [AR] [RU] Topic: [solved] after d-u system hangs on "Booting the Kernel."  (Read 5164 times)

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Offline hypper

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hi all,


after today's d-u, which went through without errors (although there were conflicts in some tex-packages) the system hangs on "Booting the Kernel." The kernel version is 3.14-1.towo-siduction-amd64. no errors are logged in kern.log, boot and messages.


using an older kernel 3.13-5.towo.2-siduction-amd64 the systems boots as usual.


any suggestions?




cheers,
mathias
« Last Edit: 2014/04/28, 08:28:45 by hypper »

Offline devil

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Re: after d-u system hangs on "Booting the Kernel."
« Reply #1 on: 2014/04/22, 11:10:41 »
I do not encounter anything like that (kde, 64-bit)  and I have not heard anything the like so far. I would remove kernel and headers and install them anew.


greetz
devil

Offline hypper

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Re: after d-u system hangs on "Booting the Kernel."
« Reply #2 on: 2014/04/22, 12:10:54 »
after purging and re-installing the kernel and headers the problem still occurs.


but now i found some logs in messages regarding os-prober.


i attached the last lines of messages after booting the new kernel => reset pc => booting the old kernel which works again.

Offline mylo

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Re: after d-u system hangs on "Booting the Kernel."
« Reply #3 on: 2014/04/22, 20:52:01 »
Quote
I do not encounter anything like that (kde, 64-bit)

+1
Regards mylo
____________________________________________ ____
"Die gefährlichste aller Weltanschauungen ist die Weltanschauung der Leute,
welche die Welt nicht angeschaut haben."               Alexander von Humboldt

Offline dibl

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Re: after d-u system hangs on "Booting the Kernel."
« Reply #4 on: 2014/04/22, 21:26:55 »
I do not encounter anything like that (kde, 64-bit)


+1


It could be an aging hardware issue -- eventually kernel support for ancient bits of hardware gets dropped.  So, could we please see the output of


Code: [Select]
inxi -v7



Another thought -- I think (but am not certain) that os-prober is called to write a grub menu entry for a new kernel -- suggesting (again) that the kernel installation is not completing correctly for some reason -- possibly a review of the grub menu file would reveal something -- compare the location information and partition UUID of the correctly booting kernel to the same items for the one that won't boot.
« Last Edit: 2014/04/22, 21:37:32 by dibl »
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Offline hypper

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Re: after d-u system hangs on "Booting the Kernel."
« Reply #5 on: 2014/04/23, 09:57:13 »
enclosed the output of inxi (without network addresses) and my grub.cfg.


i purged the kernel 3.14-1.towo-siduction-amd64 again and i encountered


Code: [Select]
"The link /vmlinuz.old is a damaged link"
...
"The link /initrd.img.old is a damaged link"
...
You may need to re-run your boot loader


i did a update-grub and re-install of the kernel without any errors but same behavior, no booting of the kernel. i also tried the kernel 3.14-0.towo.4-siduction-amd64, same problems.


maybe it is really something wrong with grub.

Offline dibl

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Re: after d-u system hangs on "Booting the Kernel."
« Reply #6 on: 2014/04/23, 11:28:28 »
It looks like we do not need to worry about old hardware -- nice box!   ;D


You have an unmounted partition.  Was that partition unmounted when you installed siduction and the working kernel?


You might try


Code: [Select]
apt-get install --reinstall grub-pc


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Offline musca

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Re: after d-u system hangs on "Booting the Kernel."
« Reply #7 on: 2014/04/23, 11:46:01 »
Hello hypper,

your grub.cfg doesn't contain the link "/vmlinuz.old". 
Is a second Linux with another grub install involved?

greetings
musca
„Es irrt der Mensch, solang er strebt.“  (Goethe, Faust)

Offline hypper

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Re: after d-u system hangs on "Booting the Kernel."
« Reply #8 on: 2014/04/23, 12:44:45 »
@dibl:
the unmounted partition is the windows 7 installation and was definitely unmounted when i installed the last 3 kernel, including the working one. i cannot recall what the siduction-installer did during first installation, probably all partitions were mounted after formatting them. after that i installed the win7.


i tried
Code: [Select]
apt-get install --reinstall grub-pc

but no working 3.14-1 kernel.


during installation of grub-pc i got:
Code: [Select]
Installing for i386-pc platform.


i guess its correct even though i have a 64bit machine.


@musca:
no other linux is involved. i just have a second partition called linux2 for a planned second installation. but so far not.


actually my previous post looks like
Code: [Select]

"The link /vmlinuz.old is a damaged link"
Removing symbolic link /vmlinuz.old
"The link /initrd.img.old is a damaged link"
Removing symbolic link /initrd.img.old
You may need to re-run your boot loader


so, no surprise that you cannot find those links in grub.cfg. sorry for the sloppiness.

Offline dibl

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Re: after d-u system hangs on "Booting the Kernel."
« Reply #9 on: 2014/04/23, 14:14:18 »
Deleted post --- wrong information.
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Offline dibl

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Re: after d-u system hangs on "Booting the Kernel."
« Reply #10 on: 2014/04/23, 14:28:51 »
It must have something to do with those symbolic links, which appear under "/".  Here is what I see -- I am booted in 3.14-1, and the previous kernel on this system was 3.14-0.towo.4.


Code: [Select]
.
.
.
lrwxrwxrwx   1 root root      40 Apr 15 06:52 vmlinuz -> boot/vmlinuz-3.14-1.towo-siduction-amd64
lrwxrwxrwx   1 root root      42 Apr 12 07:49 vmlinuz.old -> boot/vmlinuz-3.14-0.towo.4-siduction-amd64
.
.
.


You might take a look under "/" and see if your links make sense, after removing the 3.14-1 kernel and then again after reinstalling it.
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Offline hypper

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Re: after d-u system hangs on "Booting the Kernel."
« Reply #11 on: 2014/04/23, 17:08:47 »
after purging kernel 3.14-1 with

Code: [Select]
apt-get purge linux-image-3.14-1.towo-siduction-amd64 linux-headers-3.14-1.towo-siduction-amd64there are no symbolic links in "/" at all.


after re-install with
Code: [Select]
apt-get install linux-headers-siduction-amd64 linux-image-siduction-amd64

only

Code: [Select]

lrwxrwxrwx   1 root root    44 Apr 23 16:33 initrd.img -> /boot/initrd.img-3.14-1.towo-siduction-amd64

lrwxrwxrwx   1 root root    40 Apr 23 16:33 vmlinuz -> boot/vmlinuz-3.14-1.towo-siduction-amd64


are present. there are no *.old ones present even after an additional update-grub.
are those links needed at all? i mean in grub.cfg the full path /boot/vmlinuz-... is used.


but were does the "/" comes from in front of boot
Code: [Select]
lrwxrwxrwx   1 root root    44 Apr 23 16:33 initrd.img -> /boot/initrd.img-3.14-1.towo-siduction-amd64

is this correct, because there is no "/" pointing to boot/vmlinuz-...?

Offline OppaErich

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Re: after d-u system hangs on "Booting the Kernel."
« Reply #12 on: 2014/04/23, 17:48:40 »
If these links are in the root directory then both are pointing to the same, right location.

Offline melmarker

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Re: after d-u system hangs on "Booting the Kernel."
« Reply #13 on: 2014/04/23, 18:40:03 »
with some understanding of very basic linux commands and grub concepts one can make some useful things with these links:

Code: [Select]
cp /etc/grub.d/40_custom /etc/grub.d/09_my_own_entry

after that one can place his prefered own things into this new file like this:

Code: [Select]
#!/bin/sh
exec tail -n +3 $0
# This file provides an easy way to add custom menu entries.  Simply type the
# menu entries you want to add after this comment.  Be careful not to change
# the 'exec tail' line above.
menuentry 'My System - current kernel' {
        load_video
        insmod gzio
        insmod part_gpt
        insmod ext2
        echo "current kernel with my static options:"
        linux   /vmlinuz root=/dev/sdc2 ro quiet  ipv6.disable=1 nolapic_timer elevator=deadline
        initrd  /initrd.img
}

menuentry 'My System - old kernel' {
        load_video
        insmod gzio
        insmod part_gpt
        insmod ext2
        echo "old kernel with my static options:"
        linux   /vmlinuz.old root=/dev/sdc2 ro quiet  ipv6.disable=1 nolapic_timer elevator=deadline
        initrd  /initrd.img.old
}

if the kernel change, the first entry will work with the new kernel, the second with the now obsolated - and this will be in the future too with no need to change anything again. if the system don't work with the new kernel, just boot the old one.
if something fucked up this links, simply relink to te needed vmlinuz and initrd.
Code: [Select]
lrwxrwxrwx 1 root root 44 Apr 15 18:11 initrd.img -> /boot/initrd.img-3.14-1.towo-siduction-amd64
lrwxrwxrwx 1 root root 46 Apr 13 01:42 initrd.img.old -> /boot/initrd.img-3.14-0.towo.4-siduction-amd64
lrwxrwxrwx 1 root root 40 Apr 15 18:11 vmlinuz -> boot/vmlinuz-3.14-1.towo-siduction-amd64
lrwxrwxrwx 1 root root 42 Apr 13 01:42 vmlinuz.old -> boot/vmlinuz-3.14-0.towo.4-siduction-amd64

Normally apt-get should do that for you.
« Last Edit: 2014/04/23, 18:43:42 by melmarker »
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Offline hypper

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Re: after d-u system hangs on "Booting the Kernel."
« Reply #14 on: 2014/04/24, 10:07:22 »
melmarker:
thanks for the introduction.


in the meanwhile i tested other kernels:


the last working kernel for me is 3.13-7.towo-siduction-amd64


it seems that the problems start with 3.14-0.towo.2-siduction-amd64