Dear all, I need to build a custom kernel based on litmus^rt and custom disk image because of the research requirement. The kernel version is Linux 4.9.13, and it is downloaded from litmus^rt. And the disk image is built by my own. I used ubuntu-base 17.04 files to create it. And I have to use the latest kernel version. But when I try to boot the image, I went to this:
[ 0.711362] List of all partitions: [ 0.711369] No filesystem could mount root, tried: [ 0.711376] [ 0.711385] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) [ 0.711398] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.9.13+ #1 [ 0.711407] Hardware name: , BIOS 06/08/2008 [ 0.711415] 0000000000000000 ffffffff8134a922 ffff88001dcb3000 ffffc900000cbea0 [ 0.711434] ffffffff81180afd 0000000000000010 ffffc900000cbeb0 ffffc900000cbe48 [ 0.711452] 00000000b0d51c2b ffffc900000cbe58 ffffc900000cbeb8 0000000000000012 [ 0.711469] Call Trace: [ 0.711480] [<ffffffff8134a922>] ? dump_stack+0x5c/0x7a [ 0.711492] [<ffffffff81180afd>] ? panic+0xe4/0x22d [ 0.711506] [<ffffffff81d7b4f1>] ? mount_block_root+0x281/0x2bd [ 0.711520] [<ffffffff81d7a87b>] ? set_debug_rodata+0xc/0xc [ 0.711533] [<ffffffff81d7b6ba>] ? prepare_namespace+0x12b/0x161 [ 0.711546] [<ffffffff81d7b15c>] ? kernel_init_freeable+0x1db/0x1eb [ 0.711560] [<ffffffff8160b100>] ? rest_init+0x90/0x90 [ 0.711572] [<ffffffff8160b10a>] ? kernel_init+0xa/0x100 [ 0.711585] [<ffffffff81619035>] ? ret_from_fork+0x25/0x30 [ 0.711598] Kernel Offset: disabled [ 0.711608] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) This is the command I used to boot the system: build/X86/gem5.opt configs/example/fs.py\ --kernel=litmus-rt/vmlinux \ --disk-image=litmusrt.img Thanks! -- Lingxiang Wang
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