From: Azriel Samson <asamson@codeaurora.org>
To: Geoff Levand <geoff@infradead.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
'Pratyush Anand' <panand@redhat.com>,
marc.zyngier@arm.com, Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will.deacon@arm.com>,
AKASHI Takahiro <takahiro.akashi@linaro.org>,
James Morse <james.morse@arm.com>,
kexec@lists.infradead.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v14 00/20] arm64 kexec kernel patches v14
Date: Mon, 7 Mar 2016 15:25:08 -0700 [thread overview]
Message-ID: <56DDFFC4.1040206@codeaurora.org> (raw)
In-Reply-To: <cover.1457135058.git.geoff@infradead.org>
Hi Geoff,
On 3/4/2016 4:51 PM, Geoff Levand wrote:
> To load a second stage kernel and execute a kexec re-boot or to work with kdump
> on ARM64 systems a series of patches to kexec-tools [2], which have not yet been
> merged upstream, are needed. Please update to the latest if you have been using
> an older version.
>
> To examine vmcore (/proc/vmcore), you should use
> - gdb v7.7 or later
> - crash v7.1.1 or later
>
> [1] https://git.kernel.org/cgit/linux/kernel/git/geoff/linux-kexec.git
> [2] https://git.kernel.org/cgit/linux/kernel/git/geoff/kexec-tools.git
>
kexec-tools is still passing "mem=" parameter to the crash dump kernel
which causes it to crash with ACPI. You can revert commit "arm64: kdump:
pass "mem=" parameter to a crash dump kernel" in kexec-tools.
Also, some version of the following patch from Pratyush is also still
needed:
https://github.com/pratyushanand/kexec-tools/commit/85f403cabb9ae0d7a37d1656a00fb609a9525086
--
Thanks,
Azriel Samson
Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
_______________________________________________
kexec mailing list
kexec@lists.infradead.org
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WARNING: multiple messages have this Message-ID (diff)
From: asamson@codeaurora.org (Azriel Samson)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v14 00/20] arm64 kexec kernel patches v14
Date: Mon, 7 Mar 2016 15:25:08 -0700 [thread overview]
Message-ID: <56DDFFC4.1040206@codeaurora.org> (raw)
In-Reply-To: <cover.1457135058.git.geoff@infradead.org>
Hi Geoff,
On 3/4/2016 4:51 PM, Geoff Levand wrote:
> To load a second stage kernel and execute a kexec re-boot or to work with kdump
> on ARM64 systems a series of patches to kexec-tools [2], which have not yet been
> merged upstream, are needed. Please update to the latest if you have been using
> an older version.
>
> To examine vmcore (/proc/vmcore), you should use
> - gdb v7.7 or later
> - crash v7.1.1 or later
>
> [1] https://git.kernel.org/cgit/linux/kernel/git/geoff/linux-kexec.git
> [2] https://git.kernel.org/cgit/linux/kernel/git/geoff/kexec-tools.git
>
kexec-tools is still passing "mem=" parameter to the crash dump kernel
which causes it to crash with ACPI. You can revert commit "arm64: kdump:
pass "mem=" parameter to a crash dump kernel" in kexec-tools.
Also, some version of the following patch from Pratyush is also still
needed:
https://github.com/pratyushanand/kexec-tools/commit/85f403cabb9ae0d7a37d1656a00fb609a9525086
--
Thanks,
Azriel Samson
Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
next prev parent reply other threads:[~2016-03-07 22:25 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-04 23:51 [PATCH v14 00/20] arm64 kexec kernel patches v14 Geoff Levand
2016-03-04 23:51 ` Geoff Levand
2016-03-04 23:51 ` [PATCH v14 07/20] arm64: Promote KERNEL_START/KERNEL_END definitions to a header file Geoff Levand
2016-03-04 23:51 ` Geoff Levand
2016-03-04 23:51 ` [PATCH v14 02/20] arm64: Cleanup SCTLR flags Geoff Levand
2016-03-04 23:51 ` Geoff Levand
2016-03-04 23:51 ` [PATCH v14 11/20] Revert "arm64: remove dead code" Geoff Levand
2016-03-04 23:51 ` Geoff Levand
2016-03-04 23:51 ` [PATCH v14 03/20] arm64: Convert hcalls to use HVC immediate value Geoff Levand
2016-03-04 23:51 ` Geoff Levand
2016-03-04 23:51 ` [PATCH v14 09/20] arm64: Add back cpu_reset routines Geoff Levand
2016-03-04 23:51 ` Geoff Levand
2016-03-04 23:51 ` [PATCH v14 04/20] arm64: Add new hcall HVC_CALL_FUNC Geoff Levand
2016-03-04 23:51 ` Geoff Levand
2016-03-04 23:51 ` [PATCH v14 05/20] arm64: kvm: allows kvm cpu hotplug Geoff Levand
2016-03-04 23:51 ` Geoff Levand
2016-03-04 23:51 ` [PATCH v14 12/20] arm64/kexec: Add core kexec support Geoff Levand
2016-03-04 23:51 ` Geoff Levand
2016-03-11 11:37 ` James Morse
2016-03-11 11:37 ` James Morse
2016-03-04 23:51 ` [PATCH v14 01/20] arm64: Fold proc-macros.S into assembler.h Geoff Levand
2016-03-04 23:51 ` Geoff Levand
2016-03-04 23:51 ` [PATCH v14 06/20] arm64: kernel: Include _AC definition in page.h Geoff Levand
2016-03-04 23:51 ` Geoff Levand
2016-03-04 23:51 ` [PATCH v14 08/20] arm64: Add new asm macro copy_page Geoff Levand
2016-03-04 23:51 ` Geoff Levand
2016-03-04 23:51 ` [PATCH v14 10/20] Revert "arm64: mm: remove unused cpu_set_idmap_tcr_t0sz function" Geoff Levand
2016-03-04 23:51 ` Geoff Levand
2016-03-04 23:51 ` [PATCH v14 13/20] arm64/kexec: Enable kexec in the arm64 defconfig Geoff Levand
2016-03-04 23:51 ` Geoff Levand
2016-03-04 23:51 ` [PATCH v14 19/20] arm64: kdump: enable kdump " Geoff Levand
2016-03-04 23:51 ` Geoff Levand
2016-03-04 23:51 ` [PATCH v14 18/20] arm64: kdump: add kdump support Geoff Levand
2016-03-04 23:51 ` Geoff Levand
2016-03-04 23:51 ` [PATCH v14 17/20] arm64: kdump: implement machine_crash_shutdown() Geoff Levand
2016-03-04 23:51 ` Geoff Levand
2016-03-04 23:51 ` [PATCH v14 14/20] arm64/kexec: Add pr_debug output Geoff Levand
2016-03-04 23:51 ` Geoff Levand
2016-03-11 11:39 ` James Morse
2016-03-11 11:39 ` James Morse
2016-03-04 23:51 ` [PATCH v14 20/20] arm64: kdump: update a kernel doc Geoff Levand
2016-03-04 23:51 ` Geoff Levand
2016-03-04 23:51 ` [PATCH v14 15/20] arm64: kdump: reserve memory for crash dump kernel Geoff Levand
2016-03-04 23:51 ` Geoff Levand
2016-03-04 23:51 ` [PATCH v14 16/20] arm64: limit memory regions based on DT property, usable-memory Geoff Levand
2016-03-04 23:51 ` Geoff Levand
2016-03-07 22:25 ` Azriel Samson [this message]
2016-03-07 22:25 ` [PATCH v14 00/20] arm64 kexec kernel patches v14 Azriel Samson
2016-03-07 23:35 ` Geoff Levand
2016-03-07 23:35 ` Geoff Levand
2016-03-08 0:23 ` AKASHI Takahiro
2016-03-08 0:23 ` AKASHI Takahiro
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