linux-kernel - [linux-next-20160302] Can't unpack initramfs.

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Date:	Thu, 3 Mar 2016 19:51:51 +0900
From:	Tetsuo Handa <penguin-kernel@...ove.SAKURA.ne.jp>
To:	linux-kernel@...r.kernel.org
Subject: [linux-next-20160302] Can't unpack initramfs.

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)