Hi Jaikumar, AFAICS the problem you're facing is that the d-i kernel modules and the kernel you're running don't match up. Here's the kernel version you have:
On Sat, Jun 23, 2018 at 09:47:39PM +0530, Jaikumar Sharma wrote: > >Jun 23 14:20:40 syslogd started: BusyBox v1.22.1 >Jun 23 14:20:40 kernel: klogd started: BusyBox v1.22.1 (Debian >1:1.22.0-9+deb8u1) >Jun 23 14:20:40 kernel: [ 0.000000] Initializing cgroup subsys cpuset >Jun 23 14:20:40 kernel: [ 0.000000] Initializing cgroup subsys cpu >Jun 23 14:20:40 kernel: [ 0.000000] Initializing cgroup subsys cpuacct >Jun 23 14:20:40 kernel: [ 0.000000] Linux version 3.16.0-4-586 ( >debian-ker...@lists.debian.org) (gcc version 4.8.4 (Debian 4.8.4-1) ) #1 Debian >3.16.7-ckt9-2 (2015-04-13) ... and here are lots of "Unknown symbol" errors when d-i is trying to load various filesystem modules: >Jun 23 14:22:42 preseed: running preseed command partman/early_command: wget -P >/tmp ftp://192.168.1.34/localrepo/install.scripts/scripts/config.sh >Jun 23 14:22:42 log-output: Connecting to 192.168.1.34 (192.168.1.34:21) >Jun 23 14:22:42 log-output: ^Mconfig_backup.sh 100% | >*******************************| 2515 0:00:00 ETA >Jun 23 14:22:42 kernel: [ 139.713269] ext4: Unknown symbol setattr_prepare >(err 0) >Jun 23 14:22:42 kernel: [ 139.713731] ext4: Unknown symbol __bread_gfp (err 0) >Jun 23 14:22:42 kernel: [ 139.713779] ext4: Unknown symbol __getblk_gfp (err >0) >Jun 23 14:22:42 kernel: [ 139.713809] ext4: Unknown symbol >posix_acl_update_mode (err 0) >Jun 23 14:22:42 kernel: [ 139.814438] raid6: mmxx1 5762 MB/s >Jun 23 14:22:42 md-devices: mdadm: No devices listed in partitions >Jun 23 14:22:42 md-devices: mdadm: No devices listed in conf file were found. >Jun 23 14:22:42 kernel: [ 139.882447] raid6: mmxx2 6136 MB/s >Jun 23 14:22:42 kernel: [ 139.950455] raid6: sse1x1 4760 MB/s >Jun 23 14:22:42 kernel: [ 140.018463] raid6: sse1x2 5924 MB/s >Jun 23 14:22:42 kernel: [ 140.086474] raid6: sse2x1 9564 MB/s >Jun 23 14:22:42 kernel: [ 140.154484] raid6: sse2x2 12018 MB/s >Jun 23 14:22:42 kernel: [ 140.154485] raid6: using algorithm sse2x2 (12018 MB/ >s) >Jun 23 14:22:42 kernel: [ 140.154486] raid6: using ssse3x1 recovery algorithm >Jun 23 14:22:42 kernel: [ 140.220352] xor: automatically using best >checksumming function: >Jun 23 14:22:42 kernel: [ 140.258486] avx : 20146.000 MB/sec >Jun 23 14:22:42 kernel: [ 140.259696] btrfs: Unknown symbol setattr_prepare >(err 0) >Jun 23 14:22:42 kernel: [ 140.260185] btrfs: Unknown symbol >posix_acl_update_mode (err 0) >Jun 23 14:22:42 kernel: [ 140.264461] ext4: Unknown symbol setattr_prepare >(err 0) >Jun 23 14:22:42 kernel: [ 140.264915] ext4: Unknown symbol __bread_gfp (err 0) >Jun 23 14:22:42 kernel: [ 140.264965] ext4: Unknown symbol __getblk_gfp (err >0) >Jun 23 14:22:42 kernel: [ 140.265008] ext4: Unknown symbol >posix_acl_update_mode (err 0) >Jun 23 14:22:42 kernel: [ 140.265748] ext4: Unknown symbol setattr_prepare >(err 0) >Jun 23 14:22:42 kernel: [ 140.266191] ext4: Unknown symbol __bread_gfp (err 0) >Jun 23 14:22:42 kernel: [ 140.266239] ext4: Unknown symbol __getblk_gfp (err >0) >Jun 23 14:22:42 kernel: [ 140.266270] ext4: Unknown symbol >posix_acl_update_mode (err 0) >Jun 23 14:22:42 kernel: [ 140.270835] jfs: Unknown symbol setattr_prepare (err >0) >Jun 23 14:22:42 kernel: [ 140.270975] jfs: Unknown symbol __bread_gfp (err 0) >Jun 23 14:22:42 kernel: [ 140.271009] jfs: Unknown symbol __getblk_gfp (err 0) >Jun 23 14:22:42 kernel: [ 140.271022] jfs: Unknown symbol >posix_acl_update_mode (err 0) >Jun 23 14:22:42 kernel: [ 140.276230] xfs: Unknown symbol setattr_prepare (err >0) >Jun 23 14:22:42 kernel: [ 140.276555] xfs: Unknown symbol >posix_acl_update_mode (err 0) >Jun 23 14:22:42 kernel: [ 140.451316] device-mapper: uevent: version 1.0.3 >Jun 23 14:22:42 kernel: [ 140.451490] device-mapper: ioctl: 4.27.0-ioctl >(2013-10-30) initialised: dm-de...@redhat.com >Jun 23 14:22:42 partman: No matching physical volumes found >Jun 23 14:22:42 partman: Reading all physical volumes. This may take a >while... >Jun 23 14:22:42 partman: >Jun 23 14:22:42 partman: No volume groups found >Jun 23 14:22:42 partman: >Jun 23 14:22:42 partman-lvm: >Jun 23 14:22:42 partman-lvm: No volume groups found >Jun 23 14:22:42 partman-lvm: >Jun 23 14:22:42 kernel: [ 140.486141] efivars: Unknown symbol ucs2_as_utf8 >(err 0) >Jun 23 14:22:42 kernel: [ 140.486163] efivars: Unknown symbol ucs2_utf8size >(err 0) >Jun 23 14:22:42 kernel: [ 140.486164] efivars: disagrees about version of >symbol efivar_validate >Jun 23 14:22:42 kernel: [ 140.486165] efivars: Unknown symbol efivar_validate >(err -22) >Jun 23 14:22:50 init: starting pid 146, tty '/dev/tty2': '-/bin/sh' The most common cause of this kind of problem for people netbooting is them updating *some* of the installer (i.e. the modules in the Debian archive) without also updating the kernel that's being served by tftp. Please go and check that... -- Steve McIntyre, Cambridge, UK. st...@einval.com < liw> everything I know about UK hotels I learned from "Fawlty Towers"