On 2020-07-22 20:23, 'Chempes Amt' via qubes-users wrote:
> Thank you so much for the answer and the suggestion, Donoban.
> I booted on a live version of Fedora and I was able to mount my QubesOs SSD, 
> which is really good. My problem now is that there is no more folders nor 
> files in /boot/efi. I think that I need to regenerate the entire efi 
> directory and I don't know how to do. Could you or someone else explain me 
> how to do that ?
> Here are files and directories of my /boot :
> 
> */boot*
> config-4.19.107-1.pvops.qubes.x86_64
> config-4.19.125-1.pvops.qubes.x86_64
> config-4.19.128-1.pvops.qubes.x86_64
> efi
> grub
> grub2
> initramfs-4.19.107-1.pvops.qubes.x86_64.img
> initramfs-4.19.125-1.pvops.qubes.x86_64.img
> initramfs-4.19.128-1.pvops.qubes.x86_64.img
> symvers-4.19.107-1.pvops.qubes.x86_64.gz
> symvers-4.19.125-1.pvops.qubes.x86_64.gz
> symvers-4.19.128-1.pvops.qubes.x86_64.gz
> System.map-4.19.107-1.pvops.qubes.x86_64
> System.map-4.19.125-1.pvops.qubes.x86_64
> System.map-4.19.128-1.pvops.qubes.x86_64
> vmlinuz-4.19.107-1.pvops.qubes.x86_64
> vmlinuz-4.19.125-1.pvops.qubes.x86_64
> vmlinuz-4.19.128-1.pvops.qubes.x86_64
> xen-4.8.5-19.fc25.config
> xen-4.8.5-19.fc25.gz
> xen-4.8.gz
> 
> Thank you in advance and have a nice evening everybody !
> **
> 
> 
>> ----------------------------------------
>> From: donoban <[email protected]>
>> Sent: Tue Jul 21 23:46:29 CEST 2020
>> To: <[email protected]>
>> Subject: Re: [qubes-users] Stuck in kernel panic, cannot rescue my system 
>> with anaconda
>>
>>
>> On 2020-07-21 21:26, 'Chempes Amt' via qubes-users wrote:
>> > Hi everybody,
>> >
>> > [I'm sorry if I make some mistakes while writing in English but it isn't 
>> > my mother tongue. I'll try to explain my problem as easy as I can.]
>> >
>> > My QubesOS is installed on an external SSD storage (I know it's not ideal 
>> > but . In order to make my computer recognize Qubes, I have to copy 
>> > manually the xen.cfg and the xen.efi files at every kernel update (as here 
>> > : 
>> > https://www.qubes-os.org/doc/uefi-troubleshooting/#boot-device-not-recognized-after-installing
>> >  ).
>> >
>> > The problem is that at last update I forgot to change the xen.efi file 
>> > version and that now I'm stuck with a kernel panic every time I try to 
>> > boot on my QubesOS.
>> >
>> > I tried to rescue my OS with anaconda but I'm encountering two problems :
>> >
>> > - whenever I choose my external storage for booting, there is no grub menu 
>> > and Qubes boots automatically. So I cannot access any troubleshooting or 
>> > rescue shell.
>> >
>> > - I downloaded an iso image of Qubes in order to rescue my system but it 
>> > seems that anaconda --rescue can't recognize any linux partitions because 
>> > of this : https://github.com/QubesOS/qubes-issues/issues/5609
>> >
>> > - I tried by downloading an iso of Fedora 32 (server version) but anaconda 
>> > couldn't recognize my QubesOS partitions.
>> >
>> > Would anyone have any suggestions which could allow me to rescue my 
>> > system, please ?
>> >
>> > Thank you !
>> >
>>
>> I will avoid anaconda and just try with some live distro (fedora [1] or
>> ubuntu e.g.). You should mount EFI and Qubes partitions if needed with
>> default file manager without problems.
>>
>> https://fedoraproject.org/wiki/FedoraLiveCD
>>
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> 
> 
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Hi,
The convention here is not to top-post. Please scroll to the bottom of the 
message before you start typing. Or reply inline.

If you used default Qubes partitioning, you should have another partition 
containing what's in /boot/efi with xen.efi and conf.

Frédéric


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