Bug#918322: initramfs-tools: kernel fails to boot with "Gave up waiting for root file system device"

[Axel Ludszuweit]

On Sat, 5 Jan 2019 22:30:27 +0100 Michael Biebl <biebl at debian.org> wrote:

> Am 05.01.19 um 22:09 schrieb Axel Ludszuweit:

> > Hello Michael,
> > 
> > yes, I am willing to try your package tomorrow, but I have the following questions:
> > - in the initramfs rescue shell the keyboard doesn‘t work, therefore I can run your suggested commands
> 
> Do you have a PS/2 keyboard? This should require any special (USB)
> kernel modules.
> 
> > - I must boot with the 4.18 initrd version. Installation of  your package via apt triggers creation of new 4.18 initrd image and could make my system complete unbootable. Can I do the following steps to keep a bootable system:
> > - boot into 4.18
> > - save bootable 4.18 initrd image
> > - install your package
> > - create initrd image for 4.19 via update-initram command
> > - replaced modified 4.18 initrd image by the saved one
> > - try to boot into 4.19
> 
> That sounds like a reasonable plan.
> 
> 
> > Does installation of  your package via dpkg trigger also creation of new initrd image?
> 
> Yes, installing the udev package will update the initramfs of the
> currently running kernel.
> 
> > What is the syntax, to reinstall udev 240-2, if your package does not work?
> 
> Get a copy of the 240-2 udev package (along with libudev 240-2) and then
> install them via dpkg -i *.deb


Hello Michael,

I have try your udev240-3, unfortunately it fails in the same way as udev240-2. Due to a lack of PS2 keyboard I can't run your suggested commands in the initramfs shell.
One  thing was other than I expected:
I have booted with 4.18 initrd image running 4.18 kernel, checked via uname. After installing 
- udev_240-3~test0_amd64.deb
- libudev-dev_240-3~test0_amd64.deb
- libudev1_240-3~test0_amd64.deb
via dpkg -i *.deb only initrd.img-4.19.0-1-amd64 was rebuilt, although 4.18 kernel was running.
With the above mentioned udev packages I can boot into 4.18 but not into 4.19.

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