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On Sun, Jun 12, 2022 at 02:57:49AM -0700, Peter Palensky wrote:
> 
> 
> On Saturday, June 11, 2022 at 7:21:20 PM UTC+2 Demi Marie Obenour wrote:
> 
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> > On Sat, Jun 11, 2022 at 03:00:09AM -0700, Peter Palensky wrote: 
> > > 
> > > On Saturday, June 11, 2022 at 1:09:47 AM UTC+2 haa...@web.de wrote: 
> > > 
> > > > > Which kernel version do you need to hold? You can update a subset of 
> > > > > packages by giving them as arguments to qubes-dom0-update, but I 
> > would 
> > > > > like to know what the forseeable problems are. 
> > > > 
> > > > The reason is simple: all (!) 5.x xen kernels I tested so far 
> > > > crash/freeze my system in less than 5 minutes, often only seconds 
> > (open 
> > > > issue on github since 18 months). Therefore I keep a 4.19 kernel for 
> > xen 
> > > > (only) -- until now the updater respected that: it installed some new 
> > > > 5.x kernel and kernel-latest. Every single time, I bravely try them 
> > out, 
> > > > and each time they crash: each time I can revert back to 4.19 by a 
> > > > linux-life usb hack. 
> > > > 
> > > > Last kernel update wants to remove my 4.19 kernel, and no way I can 
> > > > accept that, given the history. ( again a curse on Intel and Dell for 
> > > > their buggy hardware ). 
> > > > 
> > > > best, Bernhard 
> > > > 
> > > > 
> > > Same here (Dell XPS13). The only usable dom0 kernels are 4.x and 5.4.88 
> > > (already gone :-0) and 5.4.175 (please let me keep that!). 
> > > Everything else either crashes dom0 (e.g., 5.15) or stalls sys-usb (e.g. 
> > > 5.12.). 
> > > 
> > > It says "00:14.0 USB controller problem", might be a usb3.0 problem, 
> > tried 
> > > various things, nothing helped, my BIOS has no option to disable xHCI. 
> >
> > I am hesitant to ask, since it would require running unsigned code 
> > (yuck!), but would you be comfortable doing a kernel git bisection? 
> > That would allow figuring out exactly which commit caused the problem, 
> > and would vastly improve the likelihood of the bug being fixed. 
> >
> > - -- 
> > Sincerely, 
> > Demi Marie Obenour (she/her/hers) 
> > Invisible Things Lab 
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> 
> Aaehm... It is my work computer, i need it every day and  can not risk 
> anything...
> Is there a safe/standard procedure in qubes to compile the bisects, add 
> them to grub without removing the working kernel, etc.?

Not that I am aware of, sadly.  Marek (CCd) might have suggestions.

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