Control: tag -1 sid upstream Control: found -1 4.4.6-1 Control: retitle -1 ext4 missing softdep on crc32c module Control: severity -1 important
On Fri, 2016-04-01 at 14:51 +0000, Mattia Rizzolo wrote: > control: reassign -1 src:linux > > please don't use html in your emails, it'll probably make our tooling > grumpy (as it did in this case). > Also, 1) there are no packages "linux-image" 2) 4.4.0-1 is surely > something non-current It is the current ABI version though. > Then I haven't read the bug report, though I'm somehow confident this is > not a *critical* bug (as in our meaning of critical, at least), but I'll > let the linux maintainers deal with it. It would be if a default installation was broken, but the default installation builds a generic initramfs (MODULES=most) which won't have this problem. > On Fri, Apr 01, 2016 at 01:25:19PM +0000, Raymond Burkholder wrote: [...] > > Here is the final output of the boot sequence to console: > > ================= > > Loading Linux 4.4.0-1-amd64 ... > > Loading initial ramdisk ... > > modprobe: module btrfs not found in modules.dep > > /dev/sda2: clean, 24088/137088 files, 160700/547840 blocks > > [ 1.486902] EXT4-fs (sda2): Cannot load crc32c driver. [...] It appears that the initramfs is missing the crc32c driver, even though ext4 needs it. The ext4 module doesn't have a static dependency on it so mkinitramfs does not know that it should be included. (The same is true for btrfs but we already have a workaround for that.) The dynamic loading of crc32c was added way back in Linux 3.5 *but* only for filesystems with the metadata_csum option turned on, which was not the default. So the regression is triggered by a change in e2fsprogs: > e2fsprogs (1.43~WIP.2015.05.18-1) unstable; urgency=low [...] > * Mke2fs will now create file systems with metadata_csum and 64bit > enabled by default. Until this is fixed in the kernel package, you can work around it by either: - Setting base-installer/initramfs-tools/driver-policy to "most" instead of "dep" - Setting base-config/late_command to a script that adds crc32c to /etc/initramfs-tools/modules Ben. -- Ben Hutchings 73.46% of all statistics are made up.
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