Hello Jonas! We run into this bug, too. There is mkinitramfs_debug.log you requested at message #25. Installation was performed from debian testing amd64 netinst ISO image built on unknown date, and apt-get dist-upgraded to jessie. cryptsetup version is 2:1.6.6-5.
Thanks in advance!
+ PREREQ= + prereqs + echo + exit 0 + PREREQ= + . /usr/share/initramfs-tools/hook-functions + setup=no + rootdevs= + usrdevs= + resumedevs= + [ -n ] + [ -r /etc/crypttab ] + get_fs_devices / + local device mount type options dump pass + local wantmount=/ + [ ! -r /etc/fstab ] + read device mount type options dump pass + grep -s ^[^#] /etc/fstab + [ / = / ] + local devices + [ ext4 = btrfs ] + canonical_device UUID=9feb0db8-5828-48eb-b43f-63cbd141122d + local dev altdev original + dev=UUID=9feb0db8-5828-48eb-b43f-63cbd141122d + opt= + altdev=UUID=9feb0db8-5828-48eb-b43f-63cbd141122d + [ UUID=9feb0db8-5828-48eb-b43f-63cbd141122d != UUID=9feb0db8-5828-48eb-b43f-63cbd141122d ] + altdev=9feb0db8-5828-48eb-b43f-63cbd141122d + [ 9feb0db8-5828-48eb-b43f-63cbd141122d != UUID=9feb0db8-5828-48eb-b43f-63cbd141122d ] + dev=/dev/disk/by-uuid/9feb0db8-5828-48eb-b43f-63cbd141122d + original=/dev/disk/by-uuid/9feb0db8-5828-48eb-b43f-63cbd141122d + [ -h /dev/disk/by-uuid/9feb0db8-5828-48eb-b43f-63cbd141122d ] + readlink -e /dev/disk/by-uuid/9feb0db8-5828-48eb-b43f-63cbd141122d + dev=/dev/sda1 + [ = --no-simplify ] + [ x/dev/sda1 = x ] + altdev=/dev/sda1 + [ /dev/sda1 != /dev/sda1 ] + [ x = x ] + echo 9feb0db8-5828-48eb-b43f-63cbd141122d + return 0 + devices=9feb0db8-5828-48eb-b43f-63cbd141122d + echo 9feb0db8-5828-48eb-b43f-63cbd141122d + return + rootdevs=9feb0db8-5828-48eb-b43f-63cbd141122d + [ -z 9feb0db8-5828-48eb-b43f-63cbd141122d ] + get_fs_devices /usr + local device mount type options dump pass + local wantmount=/usr + [ ! -r /etc/fstab ] + read device mount type options dump pass + grep -s ^[^#] /etc/fstab + [ / = /usr ] + read device mount type options dump pass + usrdevs= + get_resume_devices + local device opt count dupe candidates devices derived + candidates= + [ -e /etc/uswsusp.conf ] + [ -e /etc/suspend.conf ] + cat /proc/cmdline + [ -e /etc/initramfs-tools/conf.d/resume ] + devices= + count=0 + [ 0 -gt 1 ] + [ 0 -gt 0 ] + return 0 + resumedevs= + get_initramfs_devices + local device opt count dupe target source key options candidates devices derived + read target source key options + grep -s ^[^#] /etc/crypttab + candidates= + devices= + count=0 + [ 0 -gt 0 ] + return 0 + initramfsdevs= + add_device 9feb0db8-5828-48eb-b43f-63cbd141122d + local node nodes opts lastopts i count + nodes=9feb0db8-5828-48eb-b43f-63cbd141122d + opts= + lastopts= + [ -z 9feb0db8-5828-48eb-b43f-63cbd141122d ] + grep -q \b9feb0db8-5828-48eb-b43f-63cbd141122d\b + echo 9feb0db8-5828-48eb-b43f-63cbd141122d + [ -z ] + opts=rootdev + node_is_in_crypttab 9feb0db8-5828-48eb-b43f-63cbd141122d + local node + node=9feb0db8-5828-48eb-b43f-63cbd141122d + grep -q ^9feb0db8-5828-48eb-b43f-63cbd141122d\b /etc/crypttab + return 1 + get_lvm_deps 9feb0db8-5828-48eb-b43f-63cbd141122d + local node deps maj min depnode + node=9feb0db8-5828-48eb-b43f-63cbd141122d + [ -z 9feb0db8-5828-48eb-b43f-63cbd141122d ] + cut -d: -f1 + dmsetup --noheadings splitname 9feb0db8-5828-48eb-b43f-63cbd141122d + vgs --noheadings -o pv_name 9feb0db8 + deps= + return 0 + lvmnodes= + [ -z ] + return 0 + modules= + [ -n ] + [ no = no ] + continue + [ most != dep ] + [ no = yes ] + [ no = yes ] + exit 0