Firmwares on jammy are uncompressed so we have to compress the deb binaries, otherwise they will be humongous. I'm still not clear on the exact reason for the decompression problem so maybe not that.
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-firmware in Ubuntu. https://bugs.launchpad.net/bugs/2087528 Title: Don't compress binary deb packages Status in linux-firmware package in Ubuntu: Fix Committed Status in linux-firmware source package in Noble: Confirmed Status in linux-firmware source package in Oracular: Confirmed Status in linux-firmware source package in Plucky: Fix Committed Bug description: [ Impact ] linux-firmware binary packages contain only compressed blobs. There's no need to (re-) compress the binary debian packages. In fact decompression at package installation time could cause problems which results in package installation failures. dpkg-deb (subproces): ZSTD_decompressStream error : Corrupted block detected [ Test Plan ] Download binary debian packages and inspect them. Uncompressed: $ file linux-firmware_20241107.gitdb0082fa-0ubuntu1_amd64.deb linux-firmware_20241107.gitdb0082fa-0ubuntu1_amd64.deb: Debian binary package (format 2.0), with control.tar Compressed: $ file linux-firmware_20230915.gitdfa11466-0ubuntu1_amd64.deb linux-firmware_20230915.gitdfa11466-0ubuntu1_amd64.deb: Debian binary package (format 2.0), with control.tar.zst, data compression zst [ Where Problems Could Occur ] Problems would show up at package installation and/or upgrade time. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-firmware/+bug/2087528/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp