Hi Marcelo, On Mon, 2025-05-19 at 18:07 +0200, Marcelo Bezerra wrote: > > > > > The system clearly tried to load the wrong crc32c module, instead of > > > crc32c_generic, which triggered the following kernel messages: > > > [ 75.478521] crc32c_sparc64: sparc64 crc32c opcode not available. > > > [ 75.652621] EXT4-fs (sdb2): Cannot load crc32c driver. > > This is the ext4 driver complaining about it not finding a crc32c > driver, and it won't mount any ext4 filesystems.
Yeah, as I said in my other mail, there seem to have been some recent changes to the ext4 driver with regards to crc32 which I wasn't aware of. Thus, your analysis could actually be correct. > I sent the fstab and lsmod from the installation cd on a separate > message. I will try blacklisting the crc32c_sparc module to see if > that forces it to try the _generic version frist. Yes, please. I have not observed this issue myself yet, so I'm curios to learn what the root cause is. I have recently booted Debian's 6.12.x kernel on an UltraSPARC IIIi without problems, so this issue may affect fresh installations only. Adrian -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer `. `' Physicist `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913