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From: panand@redhat.com (Pratyush Anand)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] fixup! arm64: kdump: add kdump support
Date: Fri, 19 Aug 2016 20:49:13 +0530	[thread overview]
Message-ID: <20160819151913.GC22221@localhost.localdomain> (raw)
In-Reply-To: <57B70AF8.1000603@arm.com>

On 19/08/2016:02:34:48 PM, James Morse wrote:
> On 19/08/16 09:00, Pratyush Anand wrote:
> > On 17/08/2016:04:33:31 PM, James Morse wrote:
> >> copy_oldmem_page() and mmap_vmcore() provide two ways for userspace to read
> >> from /proc/vmcore. Neither of these check with memblock to see if the page
> >> they are accessing is nomap. On Seattle this causes:
> > 
> > Thanks for the patch.It did resolve the kernel crash issue with makedumpfile,
> > however neither there was any data in vmcore-dmesg nor crash utility was able to
> > work the saved vmcore.
> 
> vmcore-dmesg doesn't work for me, but crash did once I'd rebuilt it from the
> most recent source.

Yes, saved vmcore  worked with latest crash. However, we will need to correct
phys_offset and page_offset in kexec-tools to get meaningful output from vmcore-dmesg.

~Pratyush
> 
> The most recent commit I have is:
> b349598bb755 ("Fix for the ARM64 "bt -R <symbol>" option if the only reference")
> 
> Are you using an older version?
> 
> 
> Thanks,
> 
> James
> 
> 
> [0] http://lists.infradead.org/pipermail/linux-arm-kernel/2016-August/447597.html

  reply	other threads:[~2016-08-19 15:19 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-09  1:52 [PATCH v24 0/9] arm64: add kdump support AKASHI Takahiro
2016-08-09  1:52 ` [PATCH v24 1/9] arm64: kdump: reserve memory for crash dump kernel AKASHI Takahiro
2016-08-09  1:55   ` [PATCH v24 2/9] memblock: add memblock_cap_memory_range() AKASHI Takahiro
2016-08-10 16:26     ` James Morse
2016-08-09  1:56   ` [PATCH v24 3/9] arm64: limit memory regions based on DT property, usable-memory-range AKASHI Takahiro
2016-08-09  1:56     ` [PATCH v24 4/9] arm64: kdump: implement machine_crash_shutdown() AKASHI Takahiro
2016-08-09  1:56     ` [PATCH v24 5/9] arm64: kdump: add kdump support AKASHI Takahiro
2016-08-10 16:38       ` James Morse
2016-08-10 18:18         ` Pratyush Anand
2016-08-11 10:03           ` Pratyush Anand
2016-08-16 10:13             ` James Morse
2016-08-17 15:33               ` [PATCH] fixup! " James Morse
2016-08-18  7:32                 ` AKASHI Takahiro
2016-08-19  8:00                 ` Pratyush Anand
2016-08-19 13:34                   ` James Morse
2016-08-19 15:19                     ` Pratyush Anand [this message]
2016-08-18  7:15         ` [PATCH v24 5/9] " AKASHI Takahiro
2016-08-18  7:19           ` Dave Young
2016-08-19  1:26           ` AKASHI Takahiro
2016-08-19 11:22             ` Pratyush Anand
2016-08-22  1:29               ` AKASHI Takahiro
2016-08-22  7:07                 ` Pratyush Anand
2016-08-22 13:47                 ` James Morse
2016-08-23  0:38                   ` AKASHI Takahiro
2016-08-23 11:23                     ` Pratyush Anand
2016-08-24  8:04                       ` Dave Young
2016-08-24 10:25                         ` James Morse
2016-08-25  1:04                           ` Dave Young
2016-08-19 13:28             ` James Morse
2016-08-22  1:23               ` AKASHI Takahiro
2016-08-24 14:44       ` Ard Biesheuvel
2016-08-26  6:22         ` AKASHI Takahiro
2016-08-09  1:56     ` [PATCH v24 6/9] arm64: kdump: add VMCOREINFO's for user-space coredump tools AKASHI Takahiro
2016-08-09  1:56     ` [PATCH v24 7/9] arm64: kdump: enable kdump in the arm64 defconfig AKASHI Takahiro
2016-08-09  1:56     ` [PATCH v24 8/9] arm64: kdump: update a kernel doc AKASHI Takahiro
2016-08-09  1:57   ` [PATCH v24 9/9] Documentation: dt: chosen properties for arm64 kdump AKASHI Takahiro
2016-08-19 13:26     ` Rob Herring
2016-08-22  4:28       ` AKASHI Takahiro
2016-08-30 16:34         ` Rob Herring
2016-08-30 23:45           ` AKASHI Takahiro
2016-08-31  5:02             ` AKASHI Takahiro
2016-09-02 10:11               ` AKASHI Takahiro
2016-09-27 23:39       ` Mark Rutland
2016-08-09  2:04 ` [PATCH v24 0/9] arm64: add kdump support AKASHI Takahiro
2016-08-31  3:41 ` Manish Jaggi
2016-08-31  5:31   ` AKASHI Takahiro
2016-09-02 12:53     ` Manish Jaggi
2016-09-05  8:15       ` AKASHI Takahiro
2016-09-05 12:42         ` Manish Jaggi
2016-09-06 15:33           ` Marc Zyngier
2016-09-06 16:15             ` Manish Jaggi
2016-09-06 16:42               ` Marc Zyngier

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