linux-kernel - Re: [lkp] [mm] 122708b1b9: PANIC: early exception

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Date:	Wed, 17 Aug 2016 17:10:28 +0100
From:	Catalin Marinas <catalin.marinas@....com>
To:	kernel test robot <xiaolong.ye@...el.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Vignesh R <vigneshr@...com>, lkp@...org
Subject: Re: [lkp] [mm]  122708b1b9: PANIC: early exception

On Wed, Aug 17, 2016 at 11:51:41PM +0800, kernel test robot wrote:
> FYI, we noticed the following commit:
> 
> https://github.com/0day-ci/linux Catalin-Marinas/mm-kmemleak-Avoid-using-__va-on-addresses-that-don-t-have-a-lowmem-mapping/20160816-232733
> commit 122708b1b91eb3d253baf86a263ead0f1f5cac78 ("mm: kmemleak: Avoid using __va() on addresses that don't have a lowmem mapping")
> 
> in testcase: boot
> 
> on test machine: 1 threads qemu-system-i386 -enable-kvm with 320M memory
> 
> caused below changes:
> 
> +--------------------------------+------------+------------+
> |                                | 304bec1b1d | 122708b1b9 |
> +--------------------------------+------------+------------+
> | boot_successes                 | 3          | 0          |
> | boot_failures                  | 5          | 8          |
> | invoked_oom-killer:gfp_mask=0x | 1          |            |
> | Mem-Info                       | 1          |            |
> | BUG:kernel_test_crashed        | 4          |            |
> | PANIC:early_exception          | 0          | 8          |
> | EIP_is_at__phys_addr           | 0          | 8          |
> | BUG:kernel_hang_in_boot_stage  | 0          | 2          |
> | BUG:kernel_boot_hang           | 0          | 6          |
> +--------------------------------+------------+------------+

Please disregard this patch. I posted v2 here:

http://lkml.kernel.org/g/1471426130-21330-1-git-send-email-catalin.marinas@arm.com

(and I'm eager to see the kbuild/kernel test robot results ;))

-- 
Catalin