Re: snapshot.debian.org
On Mon 6 Jun 2022, at 12:19, Gareth Evans <donotspam@fastmail.fm> wrote:
> Hello,
>
> I have a strange printing problem which can be replicated on two
> identical printers on two different networks, when printing to wireless
> driverless IPP with Brother MFC-L2740DW printers from Bullseye, whether
> the printer is auto-detected or manually added via ocalhost:631 or
> system-config-printer.
>
> The printers light up and look like business, print queue monitors
> report jobs completed, but nothing actually prints.
>
> There are some errors in /var/log/cups/error_log but I won't go into
> that at the moment because I'm trying to downgrade cups and this is
> another problem.
>
> I think this problem has occurred since a cups update on 2022-05-27, so
> having purged it completely and removed /etc/cups and reinstalled it
> (along with much else due to dependency issues of libcups2) I am now
> trying to downgrade cups to see if that makes a difference.
>
> I have followed the instructions at:
>
> https://vincent.bernat.ch/en/blog/2020-downgrade-debian
>
> $ sudo cat /etc/apt/sources*d/snapshot.list
> deb [check-valid-until=no]
> https://snapshot.debian.org/archive/debian/202220526T155509Z/ bullseye
> main contrib non-free
> $
>
> $ sudo cat /etc/apt/pref*d/snapshot.pref
> Package: *cups*
> Pin: origin snapshot.debian.org
> Pin-Priority: 1001
> $
>
> but...
>
> $ sudo apt update
> <snip>
> Err:7 https://snapshot.debian.org/archive/debian/202220526T155509Z
> bullseye Release
> 404 Not Found [IP: 185.17.185.185 443]
> <snip>
Sorry, please ignore - 404 because too many 2s in 20222.
Working now.
G
>
> AFAICS from examples/instructions at snapshot.debian.org my
> snapshot.list file is correct - it looks to me like something has
> moved/is offline at the server end. Pinging snapshot.debian.org
> doesn't seem to be helpful as the IP which is not found changes
> depending on the archive requested - but snapshot.debian.org itself
> replies to pings.
>
> Is anyone involved with snapshot.debian.org? ...or aware of issues at
> the moment?
>
> Thanks,
> Gareth
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