From: will.deacon@arm•com (Will Deacon)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH v5sub1 0/8] arm64: split linear and kernel mappings
Date: Mon, 15 Feb 2016 13:40:09 +0000 [thread overview]
Message-ID: <20160215134009.GB6298@arm.com> (raw)
In-Reply-To: <56C1D2CF.1010108@gmail.com>
On Mon, Feb 15, 2016 at 02:29:51PM +0100, Matthias Brugger wrote:
> >On 12 February 2016 at 21:10, Matthias Brugger <matthias.bgg@gmail•com> wrote:
> >>On 12/02/16 20:47, Ard Biesheuvel wrote:
> >>>On 12 February 2016 at 20:45, Matthias Brugger <matthias.bgg@gmail•com>
> >>>>I bisected linux-next (20160212) with the following error on booting with
> >>>>an
> >>>>initramfs:
> >>>> Failed to execute /init (error -8)
> >>>> request_module: runaway loop modprobe binfmt-464c
> >>>> Starting init: /sbin/init exists but couldn't execute it (error -8)
> >>>> request_module: runaway loop modprobe binfmt-464c
> >>>> Starting init: /bin/sh exists but couldn't execute it (error -8)
> >>>> Kernel panic - not syncing: No working init found. Try passing init=
> >>>>option to kernel. See Linux Documentation/init..
> >>>>
> >>>>I tracked down the error to patch 7 of this series. But I realized that
> >>>>patch 7 does not compile, but from patch 8 onwards I observe the error.
> >>>>
> >
> >As far as this failure is concerned, I managed to reproduce an error
> >with patch #7 and not #8 applied, involving out of range kvm symbols
> >at link time. This is reproducible with GCC 4.8 but not GCC 4.9 or
> >later. Is this what you were seeing as well? Or is there another
> >problem?
> >
>
> I realized that I used " aarch64-linux-gnu-gcc (Linaro GCC 2014.11) 4.9.3
> 20141031 (prerelease)" which gave me errors like:
>
> arch/arm64/kvm/built-in.o: In function `__cpu_init_hyp_mode':
> /home/mbrugger/src/linux-next/./arch/arm64/include/asm/kvm_host.h:331:(.text+0x73b4):
> relocation truncated to fit: R_AARCH64_ADR_PREL_PG_HI21 against symbol
> `__kvm_hyp_vector' defined in .hyp.text section in arch/arm64/kvm/built-in.o
>
> So it was time to update my toolchain to "aarch64-linux-gnu-gcc (Linaro GCC
> 5.1-2015.08) 5.1.1 20150608" which fixed the problem for me.
FWIW, I've also been seeing a bunch of reloc errors with allmodconfig,
for-next/core and GCC 4.9. loops_per_jiffy was one of the problematic
symbols, iirc, but upgrading to GCC 6 (devel) fixed the issue.
Will
next prev parent reply other threads:[~2016-02-15 13:40 UTC|newest]
Thread overview: 78+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-01 10:54 [PATCH v5sub1 0/8] arm64: split linear and kernel mappings Ard Biesheuvel
2016-02-01 10:54 ` [PATCH v5sub1 1/8] of/fdt: make memblock minimum physical address arch configurable Ard Biesheuvel
2016-02-01 10:54 ` [PATCH v5sub1 2/8] arm64: add support for ioremap() block mappings Ard Biesheuvel
2016-02-01 14:10 ` Mark Rutland
2016-02-01 14:56 ` Catalin Marinas
2016-02-01 10:54 ` [PATCH v5sub1 3/8] arm64: introduce KIMAGE_VADDR as the virtual base of the kernel region Ard Biesheuvel
2016-02-01 10:54 ` [PATCH v5sub1 4/8] arm64: pgtable: implement static [pte|pmd|pud]_offset variants Ard Biesheuvel
2016-02-01 10:54 ` [PATCH v5sub1 5/8] arm64: decouple early fixmap init from linear mapping Ard Biesheuvel
2016-02-01 10:54 ` [PATCH v5sub1 6/8] arm64: kvm: deal with kernel symbols outside of " Ard Biesheuvel
2016-02-01 10:54 ` [PATCH v5sub1 7/8] arm64: move kernel image to base of vmalloc area Ard Biesheuvel
2016-02-01 12:24 ` Catalin Marinas
2016-02-01 12:27 ` Ard Biesheuvel
2016-02-01 13:41 ` Catalin Marinas
2016-02-01 14:32 ` Mark Rutland
2016-02-12 14:58 ` Catalin Marinas
2016-02-12 15:02 ` Ard Biesheuvel
2016-02-12 15:10 ` Catalin Marinas
2016-02-12 15:17 ` Ard Biesheuvel
2016-02-12 15:26 ` Catalin Marinas
2016-02-12 15:38 ` Sudeep Holla
2016-02-12 16:06 ` Catalin Marinas
2016-02-12 16:44 ` Ard Biesheuvel
2016-02-15 14:28 ` Andrey Ryabinin
2016-02-15 14:35 ` Mark Rutland
2016-02-15 18:59 ` Catalin Marinas
2016-02-16 12:59 ` Andrey Ryabinin
2016-02-16 14:12 ` Mark Rutland
2016-02-16 14:29 ` Mark Rutland
2016-02-16 15:17 ` Ard Biesheuvel
2016-02-16 15:36 ` Andrey Ryabinin
2016-02-16 16:42 ` Mark Rutland
2016-02-17 9:15 ` Andrey Ryabinin
2016-02-17 10:10 ` James Morse
2016-02-17 10:19 ` Catalin Marinas
2016-02-17 10:36 ` Catalin Marinas
2016-02-17 10:18 ` Catalin Marinas
2016-02-17 10:48 ` Mark Rutland
2016-02-17 14:39 ` Mark Rutland
2016-02-17 16:31 ` Andrey Ryabinin
2016-02-17 19:35 ` Mark Rutland
2016-02-17 17:01 ` KASAN issues with idle / hotplug area (was: Re: [PATCH v5sub1 7/8] arm64: move kernel image to base of vmalloc area) Mark Rutland
2016-02-17 17:56 ` Mark Rutland
2016-02-17 19:16 ` Mark Rutland
2016-02-18 8:06 ` Ard Biesheuvel
2016-02-18 8:22 ` KASAN issues with idle / hotplug area Andrey Ryabinin
2016-02-18 8:42 ` Andrey Ryabinin
2016-02-18 9:38 ` Andrey Ryabinin
2016-02-18 11:34 ` Mark Rutland
2016-02-18 9:39 ` Lorenzo Pieralisi
2016-02-18 11:38 ` Mark Rutland
2016-02-18 11:45 ` Andrey Ryabinin
2016-02-18 11:15 ` Mark Rutland
2016-02-18 11:46 ` Andrey Ryabinin
2016-02-18 12:08 ` Mark Rutland
2016-02-12 17:47 ` [PATCH v5sub1 7/8] arm64: move kernel image to base of vmalloc area James Morse
2016-02-12 18:01 ` Ard Biesheuvel
2016-02-01 10:54 ` [PATCH v5sub1 8/8] arm64: allow kernel Image to be loaded anywhere in physical memory Ard Biesheuvel
2016-02-01 14:50 ` Mark Rutland
2016-02-01 16:28 ` Fu Wei
2016-02-16 8:55 ` Fu Wei
2016-02-01 15:06 ` Catalin Marinas
2016-02-01 15:13 ` Ard Biesheuvel
2016-02-01 16:31 ` Ard Biesheuvel
2016-02-01 17:31 ` Catalin Marinas
2016-02-01 17:57 ` Ard Biesheuvel
2016-02-01 18:02 ` Catalin Marinas
2016-02-01 18:30 ` [PATCH] arm64: move back to generic memblock_enforce_memory_limit() Ard Biesheuvel
2016-02-02 10:19 ` Catalin Marinas
2016-02-02 10:28 ` Ard Biesheuvel
2016-02-02 10:44 ` Catalin Marinas
2016-02-12 19:45 ` [PATCH v5sub1 0/8] arm64: split linear and kernel mappings Matthias Brugger
2016-02-12 19:47 ` Ard Biesheuvel
2016-02-12 20:10 ` Matthias Brugger
2016-02-12 20:37 ` Ard Biesheuvel
2016-02-13 14:28 ` Ard Biesheuvel
2016-02-15 13:29 ` Matthias Brugger
2016-02-15 13:40 ` Will Deacon [this message]
2016-02-15 14:58 ` Ard Biesheuvel
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