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Re: Some tasks very slow after upgrade from Jessie to Stretch

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  Re: Some tasks very slow after upgrade from Jessie to Stretch John <jpff@codemist.co.uk> - 2018-03-01 16:30 +0100
    Re: Some tasks very slow after upgrade from Jessie to Stretch deloptes <deloptes@gmail.com> - 2018-03-01 18:30 +0100
    Re: Some tasks very slow after upgrade from Jessie to Stretch Richard Hector <richard@walnut.gen.nz> - 2018-03-02 03:20 +0100
      Re: Some tasks very slow after upgrade from Jessie to Stretch deloptes <deloptes@gmail.com> - 2018-03-02 09:10 +0100

#193254 — Re: Some tasks very slow after upgrade from Jessie to Stretch

Slightly different issue but I am part way through an upgrade from
Whezzy to Stretch.  After the upgrade to Jessie my (headless) computer
failed to boot.  After a struggle getting keyboard and screen it
stalled after loading the kernel, probably a broken initrd file

It booted OK with  the last Whezzy kernel but I am afraid to try to
upgrade to Stretch with this suspect system.  Problem is this machine
is the interface between the LAN and the Internet so without it things
are difficult
==John ffitch

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#193256

John wrote:

> It booted OK with  the last Whezzy kernel but I am afraid to try to
> upgrade to Stretch with this suspect system.  Problem is this machine
> is the interface between the LAN and the Internet so without it things
> are difficult

I use serial to usb and manage reboots this way. I have server and firewall
without keyboard/display)
You can still keep the old kernel/initrd as a fall back.
>From jessie to stretch there were fewer issues (actually non for me). Check
the initrd setup (/etc/initramfs-tools/).

regards

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#193264

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On 02/03/18 04:23, John wrote:
> Slightly different issue but I am part way through an upgrade from
> Whezzy to Stretch.  After the upgrade to Jessie my (headless) computer
> failed to boot.  After a struggle getting keyboard and screen it
> stalled after loading the kernel, probably a broken initrd file
> 
> It booted OK with  the last Whezzy kernel but I am afraid to try to
> upgrade to Stretch with this suspect system.  Problem is this machine
> is the interface between the LAN and the Internet so without it things
> are difficult
> ==John ffitch
> 

So you've got a jessie system that won't boot with the jessie kernel,
but will boot with the wheezy kernel?

While you've got the keyboard and screen handy, you could try the
jessie-backports kernel, which is more similar to the stretch kernel,
and if that works you should be ok to upgrade.

Richard

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#193270

Richard Hector wrote:

> So you've got a jessie system that won't boot with the jessie kernel,
> but will boot with the wheezy kernel?
> 
> While you've got the keyboard and screen handy, you could try the
> jessie-backports kernel, which is more similar to the stretch kernel,
> and if that works you should be ok to upgrade.

AFAIR the problem was something related to initrd creation. When you install
the new kernel under wheezy, the initrd is created from within the old
kernel. It was many years ago though.
One problem I had was pivotroot, switch_root or alike. But in all other
cases it worked fine. No idea why in this case it created not working
initrd

regards

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