[Samba] Upgrade to 2:4.16.2+dfsg-1nmu1~deb11.1 borks printing

[Rowland Penny]

On Wed, 2022-08-31 at 16:42 +0000, Aaron de Bruyn via samba wrote:
> Apologies—I'm using Shortwave and when I sign my message "-A" it
> occasionally removes one of the recipients from the list if I don't
> catch it. I'm still waiting on Shortwave to fix it. 😉
> 
> I checked and the printers weren't disabled.
> 
> I've tested by submitting test pages from the windows printer
> properties dialog, from notepad, and from several internal
> applications we use.
> 
> When we're running the latest version of Samba, 100% of the sites are
> affected (~28 locations) and 100% of the printers are affected (~40
> printers/copiers). Absolutely nothing prints except a test page
> submitted directly through the CUPS web GUI.
> 
> When we roll every site back, all sites and printers work again
> without problems. I've been combing through logs and haven't found
> anything that would indicate an error message.
> 
> Quite literally the situation is:
> 
> apt-get install samba=2:4.13.13+dfsg-1~deb11u4
> Printing from any application on any computer works
> 
> apt-get install samba=2:4.16.2+dfsg-1nmu1~deb11.1
> Printing from any application on any computer fails.
> 
> In light of that, do you want me to spend time setting a machine up
> to print directly to one of the copiers? It really seems like an
> issue involving the Samba/CUPS chain and not something related to the
> Windows workstations/printers/copiers.

I knew this came up recently, at the beginning of the month actually
and Andreas Schneider posted a solution:

rm -f /var/cache/samba/printer_list.tdb

Rowland