Re: [DNG] Solved Re: Upgrade lockedup-How To fix

[Gregory Nowak]

On Wed, Aug 07, 2019 at 11:23:57PM +1000, terryc wrote:
> Fixed and now I'm back to chasing down HW/memory fault.
> A side benefit is that now I have a consistent way of crashing the
> system and might finally get to a working solution for this pair of
> identical AMD B350 systems.

Sounds like you're being bit by the linux on ryzen crash:



That thread explains what to disable in your UEFI if it's new
enough. Since I have nobody to read my UEFI screens to me (where's my
accessible speech enabled UEFI that was supposed to be so great),
disabling c6 package state seems to fix the random crashes. The only
thing I'm still trying to track down is where using the speakup screen
reader's review commands can reliably crash the machine with no errors
from the kernel in certain situations.

Greg


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[DNG] Solved Re: Upgrade lockedup-How To fix

[terryc]

On Wed, 7 Aug 2019 17:13:50 +1000
"Ralph Ronnquist \(rrq\) via Dng"  wrote:

...snip..
> 
> Maybe there's a spurious back-quote in /etc/default/grub ?

Bingo. Thanks all who replied.

The successive posts jogged my brain to look again and the May-2019
date reminded me that I had actually changed /etc/default/grub to
modify the Grub-Commandline to include some parameters to try and fix
the hardware bug with the AMD B350 motherboard, but apparently
neglected to  run the update-grub command.

So when the last update/upgrade sequence relegated a linux-image, a
mismatched quote showed its hand.

Fixed and now I'm back to chasing down HW/memory fault.
A side benefit is that now I have a consistent way of crashing the
system and might finally get to a working solution for this pair of
identical AMD B350 systems.
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Re: [DNG] Upgrade lockedup-How To fix

[Ralph Ronnquist (rrq) via Dng]

terryc wrote on 7/8/19 8:20 pm:
> On Wed, 7 Aug 2019 17:13:50 +1000
> "Ralph Ronnquist \(rrq\) via Dng"  wrote:
> 
>> terryc wrote on 7/8/19 4:39 pm:
>>> In the midst of removing a package that frequently crashes* and
>>> attempting a general package update/upgrade, somehow the package
>>> upgrade system has borked something.
>>>
>>> Specifically it seems to have come about following a 
>>> sudo apt autoremove  where a depreciated image was listed to go.
>>>
>>> Now I am at a state where I can do nothing package wise
>>>  
>>> ..Error Message
>>> Removing linux-image-4.9.0-6-amd64
>>> (4.9.88-1+deb9u1) ... /etc/kernel/postrm.d/initramfs-tools:
>>> update-initramfs:
>>> Deleting /boot/initrd.img-4.9.0-6-amd64 
>>> /etc/kernel/postrm.d/zz-update-grub: /usr/sbin/grub-mkconfig:
>>> 32: /etc/default/grub: Syntax error: EOF in backquote substitution
>>> run-parts: /etc/kernel/postrm.d/zz-update-grub exited with return
>>> code 2 dpkg: error processing package linux-image-4.9.0-6-amd64
>>> (--remove):  
>>
>> Maybe there's a spurious back-quote in /etc/default/grub ?
> 
> If that is the case, then it has been placed there by a recent package
> as I've never touched it and the two other Devuan Ascii boxen have no
> problem. And line #32 of that file is actually a comment.
> 
> I thought it might have referred to Line #32 of /usr/sbin/grub-mkconfig
> which s a reference to the contents of "$rootdatadir" but that is
> defined a few lines above as /usr/share. Plus it is identical(eyeball
> compare) on the affected and non-effected machine.
> 
> Both the two non-effected machines have just today removed the
> linux-image-4.9.0-6-amd64
> from their boot options without trouble.
> And as webfu hasn't turned up any pointer, I'm a little stumped ATM.
> 

Right. Not sure I can help you with the COB, but when I look at mine of
those files, I see a few technically non-balanced back-quotes in
/etc/default/grub and /usr/sbin/grub-mkconfig, although none of them
explaing "32", and all within double-quotes or comments.

You'll need to verify that /bin/sh is dash, and then sit and wait for
inspiration. Of course it might help with a manual initramfs update:
  # update-initramfs -u -k all
or at least, that might give a new lead to the problem.

Ralph.



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Re: [DNG] Upgrade lockedup-How To fix

[terryc]

On Wed, 7 Aug 2019 17:13:50 +1000
"Ralph Ronnquist \(rrq\) via Dng"  wrote:

> terryc wrote on 7/8/19 4:39 pm:
> > In the midst of removing a package that frequently crashes* and
> > attempting a general package update/upgrade, somehow the package
> > upgrade system has borked something.
> > 
> > Specifically it seems to have come about following a 
> > sudo apt autoremove  where a depreciated image was listed to go.
> > 
> > Now I am at a state where I can do nothing package wise
> >  
> > ..Error Message
> > Removing linux-image-4.9.0-6-amd64
> > (4.9.88-1+deb9u1) ... /etc/kernel/postrm.d/initramfs-tools:
> > update-initramfs:
> > Deleting /boot/initrd.img-4.9.0-6-amd64 
> > /etc/kernel/postrm.d/zz-update-grub: /usr/sbin/grub-mkconfig:
> > 32: /etc/default/grub: Syntax error: EOF in backquote substitution
> > run-parts: /etc/kernel/postrm.d/zz-update-grub exited with return
> > code 2 dpkg: error processing package linux-image-4.9.0-6-amd64
> > (--remove):  
> 
> Maybe there's a spurious back-quote in /etc/default/grub ?

If that is the case, then it has been placed there by a recent package
as I've never touched it and the two other Devuan Ascii boxen have no
problem. And line #32 of that file is actually a comment.

I thought it might have referred to Line #32 of /usr/sbin/grub-mkconfig
which s a reference to the contents of "$rootdatadir" but that is
defined a few lines above as /usr/share. Plus it is identical(eyeball
compare) on the affected and non-effected machine.

Both the two non-effected machines have just today removed the
linux-image-4.9.0-6-amd64
from their boot options without trouble.
And as webfu hasn't turned up any pointer, I'm a little stumped ATM.
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Re: [DNG] Upgrade lockedup-How To fix

[Ralph Ronnquist (rrq) via Dng]

terryc wrote on 7/8/19 4:39 pm:
> In the midst of removing a package that frequently crashes* and
> attempting a general package update/upgrade, somehow the package
> upgrade system has borked something.
> 
> Specifically it seems to have come about following a 
> sudo apt autoremove  where a depreciated image was listed to go.
> 
> Now I am at a state where I can do nothing package wise
>  
> ..Error Message
> Removing linux-image-4.9.0-6-amd64 (4.9.88-1+deb9u1) ...
> /etc/kernel/postrm.d/initramfs-tools:
> update-initramfs: Deleting /boot/initrd.img-4.9.0-6-amd64
> /etc/kernel/postrm.d/zz-update-grub:
> /usr/sbin/grub-mkconfig: 32: /etc/default/grub:
> Syntax error: EOF in backquote substitution
> run-parts: /etc/kernel/postrm.d/zz-update-grub exited with return code
> 2 dpkg: error processing package linux-image-4.9.0-6-amd64 (--remove):

Maybe there's a spurious back-quote in /etc/default/grub ?

> ...

Ralph.




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[DNG] Upgrade lockedup-How To fix

[terryc]

In the midst of removing a package that frequently crashes* and
attempting a general package update/upgrade, somehow the package
upgrade system has borked something.

Specifically it seems to have come about following a 
sudo apt autoremove  where a depreciated image was listed to go.

Now I am at a state where I can do nothing package wise
 
..Error Message
Removing linux-image-4.9.0-6-amd64 (4.9.88-1+deb9u1) ...
/etc/kernel/postrm.d/initramfs-tools:
update-initramfs: Deleting /boot/initrd.img-4.9.0-6-amd64
/etc/kernel/postrm.d/zz-update-grub:
/usr/sbin/grub-mkconfig: 32: /etc/default/grub:
Syntax error: EOF in backquote substitution
run-parts: /etc/kernel/postrm.d/zz-update-grub exited with return code
2 dpkg: error processing package linux-image-4.9.0-6-amd64 (--remove):

..
Either it is a script error in /usr/sbin/grub-mkconfig
or some data file has become corrupted.

Can someone tell me of a fix?
Or other tasks to fix this?

*I suspect the crashes are related to a hardware problem in either
Incompatible RAMM sticks or yet another "Memeory problem" pertainng to
AMD B350 Hardware.


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