Hello. Did someone hit this problem? I haven't tried bisecting this. I think this is kconfig dependent.
---------- until next-20160301 ---------- [ 0.000000] RAMDISK: [mem 0x35f1f000-0x36f87fff] (...snipped...) [ 1.522324] Trying to unpack rootfs image as initramfs... [ 1.927986] Freeing initrd memory: 16804K (ffff880035f1f000 - ffff880036f88000) ---------- next-20160302 and next-20160303 ---------- [ 0.000000] RAMDISK: [mem 0x35f1e000-0x36f86fff] (...snipped...) [ 1.593637] Trying to unpack rootfs image as initramfs... [ 2.035467] rootfs image is not initramfs (no cpio magic); looks like an initrd (...snipped...) [ 3.088051] RAMDISK: Couldn't find valid RAM disk image starting at 0. [ 3.090892] VFS: Cannot open root device "UUID=98df1583-260a-423a-a193-182dade5d085" or unknown-block(0,0): error -6 [ 3.095528] Please append a correct "root=" boot option; here are the available partitions: [ 3.099450] 0100 4096 ram0 (driver?) [ 3.101688] 0101 4096 ram1 (driver?) [ 3.104022] 0102 4096 ram2 (driver?) [ 3.106247] 0103 4096 ram3 (driver?) [ 3.108664] 0104 4096 ram4 (driver?) [ 3.110379] 0105 4096 ram5 (driver?) [ 3.112064] 0106 4096 ram6 (driver?) [ 3.113724] 0107 4096 ram7 (driver?) [ 3.115344] 0108 4096 ram8 (driver?) [ 3.117167] 0109 4096 ram9 (driver?) [ 3.118967] 010a 4096 ram10 (driver?) [ 3.120722] 010b 4096 ram11 (driver?) [ 3.122380] 010c 4096 ram12 (driver?) [ 3.124048] 010d 4096 ram13 (driver?) [ 3.125702] 010e 4096 ram14 (driver?) [ 3.127381] 010f 4096 ram15 (driver?) [ 3.129068] Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) [ 3.132197] Kernel Offset: disabled [ 3.134607] ---[ end Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0)