Hi!

On Mon, Mar 27, 2017 at 03:27:18PM +0000, Ковалёв Сергей wrote:

With job definition

<snip>

I get kernel panic:

[ 2.054605] No filesystem could mount root, tried: [ 2.059523] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) [ 2.067809] CPU: 1 PID: 1 Comm: swapper/0 Not tainted 3.16.0-4-amd64 #1 Debian 3.16.39-1 [ 2.075902] Hardware name: /DQ87PG, BIOS PGQ8710H.86A.0152.2015.0709.1545 07/09/2015 [ 2.085123] 0000000000000000 ffffffff81514c11 ffffffff817054c8 ffff88040e1b7ea0 [ 2.092576] ffffffff8151195e ffff880400000010 ffff88040e1b7eb0 ffff88040e1b7e50 [ 2.100046] ffff88040e1b7ea0 ffff88040e1b7eb8 0000000000000012 0000000000000001 [ 2.107506] Call Trace: [ 2.109953] [<ffffffff81514c11>] ? dump_stack+0x5d/0x78 [ 2.115256] [<ffffffff8151195e>] ? panic+0xc8/0x206 [ 2.120214] [<ffffffff819035a7>] ? mount_block_root+0x2a9/0x2b8 [ 2.126236] [<ffffffff811bae95>] ? SyS_mknod+0x185/0x210 [ 2.131624] [<ffffffff81903739>] ? prepare_namespace+0x133/0x169 [ 2.137709] [<ffffffff81903258>] ? kernel_init_freeable+0x1d7/0x1e1 [ 2.144071] [<ffffffff8190295e>] ? initcall_blacklist+0xb2/0xb2 [ 2.150077] [<ffffffff81507da0>] ? rest_init+0x80/0x80 [ 2.155318] [<ffffffff81507daa>] ? kernel_init+0xa/0xf0 [ 2.160622] [<ffffffff8151ad18>] ? ret_from_fork+0x58/0x90 [ 2.166185] [<ffffffff81507da0>] ? rest_init+0x80/0x80 [ 2.171458] Kernel Offset: 0x0 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffff9fffffff) [ 2.181627] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)

Could you paste the complete log somewhere? It might help a lot to see exactly how things are booting, plus the complete command line the kernel is trying to use.

Cheers,