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On Wed, Mar 30, 2022 at 09:20:31AM +0100, Mike Keehan wrote:
> On 3/30/22 08:46, haaber wrote:
> > On 3/29/22 22:55, 'awokd' via qubes-users wrote:
> > > haaber:
> > > > I need help to modify the Q4.1 installer ISO file. I did learn how to
> > > > pack & unpack isos. That is fine. The idea is a new install on a larger
> > > > SSD of Q4.1 instead of risky "upgarde" tentatives that finish less
> > > > clean. (benefit: if it fails I can go back to running Q4.0)
> > > > 
> > > > 1) I naïvely placed a new kernel in /extrakernels but that does not seem
> > > > to impress the boot-loader. I find no way to select which kernel
> > > > to boot.
> > > 
> > > Not entirely sure what you are trying to accomplish here. A Qubes 4.1
> > > install ISO with a newer kernel? Can't you install 4.1 with a recent
> > > prebuilt ISO and update the kernel after? If it's due to hardware
> > > incompatibilities, I've seen some install and update on one system, then
> > > move the hard drive to the one with newer hardware.
> > 
> > Thanks for your reply! Badly enough, I rather need a "kernel downgrade":
> > any xen kernel 5.x will freeze my Q4.0 system between seconds and some
> > minutes (a curse on Intel and Dell at this point for selling shit at
> > high prices). So my qubes runs for one year now in a "disaster mode"
> > with a 4.19 kernel for xen, and normal 5.x kernels in guest VM's (mainly
> > debian).  The same happens when I try a fresh install with Q4.1: install
> > attempts with the std ISO fail 100% by system freeze before finishing
> > installand leave an unbootable SSD behind.
> > 
> Hi Haaber,
> 
> I used to have similar freezing problems with 4.0 on my Dell laptop.
> I found that it was due to an upgrade to the intel-i915 driver in X.
> Replacing the new version with an older version cured it for me.
> 
> However, I've had no trouble with Qubes 4.1.
> 
> A search for "linux xorg driver for i915" gives some idea of the
> problems, but it is all a bit confusing.
> 
> Mike

Does using the modesetting driver instead of the intel driver help?  If
not, please report this as an i915 kernel driver bug.

- -- 
Sincerely,
Demi Marie Obenour (she/her/hers)
Invisible Things Lab
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