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[Bug ld/20688] [2.27 Regression] Kernel panic - not syncing: Attempted t


From: CoreyMutter at eaton dot com
Subject: [Bug ld/20688] [2.27 Regression] Kernel panic - not syncing: Attempted to kill init!
Date: Wed, 16 Nov 2016 13:26:03 +0000

https://sourceware.org/bugzilla/show_bug.cgi?id=20688

Corey Mutter <CoreyMutter at eaton dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |CoreyMutter at eaton dot com

--- Comment #1 from Corey Mutter <CoreyMutter at eaton dot com> ---
I see the same symptoms, on a cross-toolchain target we make with custom
Makefiles. glibc 2.24, binutils 2.27, gcc 4.9.3. Target x86_64-*-linux-gnu.
Glibc 2.23, binutils 2.23.2 with other stuff left the same, works fine.
Currently trying glibc 2.24 with binutils 2.26 to isolate.

In a KVM, the kernel boots fine and early userspace init from klibc works fine.
Then Busybox goes to run /linuxrc and we immediately see this segfault, where
something jumps to ffffffffffffffff. (This is probably some interaction with
glibc, as this is the first code being run using glibc). 
I have yet to isolate this any further.

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