From: takahiro.akashi@linaro.org (AKASHI Takahiro)
To: linux-arm-kernel@lists.infradead.org
Subject: arm64 crashkernel fails to boot on acpi-only machines due to ACPI regions being no longer mapped as NOMAP
Date: Tue, 26 Dec 2017 11:28:09 +0900 [thread overview]
Message-ID: <20171226022807.GB8877@linaro.org> (raw)
In-Reply-To: <20171226013517.GA2186@dhcp-128-65.nay.redhat.com>
On Tue, Dec 26, 2017 at 09:35:17AM +0800, Dave Young wrote:
> [snip]
> > > > Well, we may be able to change pr_warn() to pr_warn_once() here, but
> > > > I hope that adding "numa=off" to kernel command line should also work.
> > >
> > > Hmm, adding "numa=off" to crashkernel bootargs works, and TBH it was
> > > my initial thought process as well, but I am not sure if this will
> > > cause any regressions on aarch64 systems which use crashdump feature.
> >
> > It should be fine since we use numa=off by default for all other arches
> > ie. x86, ppc64 and s390. Actually disabling numa in kdump kernel can save
> > mm component memory usage.
> >
>
> Forgot to say I means in RHEL and Fedora we use numa=off for kdump..
Thank you for the clarification.
(It might be better to make numa off automatically if maxcpus == 0 (and 1?).)
-Takahiro AKASHI
next prev parent reply other threads:[~2017-12-26 2:28 UTC|newest]
Thread overview: 49+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-10 12:09 arm64 crashkernel fails to boot on acpi-only machines due to ACPI regions being no longer mapped as NOMAP Bhupesh Sharma
2017-11-10 12:11 ` Bhupesh Sharma
2017-11-13 9:27 ` AKASHI Takahiro
2017-11-14 11:20 ` Ard Biesheuvel
2017-11-15 10:58 ` Bhupesh Sharma
2017-11-16 7:00 ` AKASHI Takahiro
2017-11-26 8:29 ` Bhupesh SHARMA
2017-12-04 14:02 ` Ard Biesheuvel
2017-12-12 21:51 ` Bhupesh Sharma
2017-12-13 10:26 ` AKASHI Takahiro
2017-12-13 10:49 ` Ard Biesheuvel
2017-12-13 12:16 ` AKASHI Takahiro
2017-12-13 12:17 ` Ard Biesheuvel
2017-12-13 19:22 ` Bhupesh SHARMA
2017-12-15 8:59 ` AKASHI Takahiro
2017-12-15 9:35 ` Ard Biesheuvel
2017-12-17 21:01 ` Bhupesh Sharma
2017-12-18 5:16 ` Dave Young
2017-12-18 5:54 ` AKASHI Takahiro
2017-12-18 8:59 ` Bhupesh SHARMA
2017-12-18 11:18 ` AKASHI Takahiro
2017-12-18 22:28 ` Bhupesh Sharma
2017-12-19 5:01 ` AKASHI Takahiro
2017-12-20 19:52 ` Bhupesh Sharma
2017-12-18 21:28 ` Bhupesh Sharma
2017-12-19 5:25 ` AKASHI Takahiro
2017-12-18 5:40 ` Dave Young
2017-12-18 5:43 ` Dave Young
2017-12-19 6:09 ` AKASHI Takahiro
2017-12-19 13:09 ` Ard Biesheuvel
2017-12-20 20:00 ` Bhupesh Sharma
2017-12-21 10:34 ` AKASHI Takahiro
2017-12-21 12:06 ` Bhupesh Sharma
2017-12-22 8:33 ` AKASHI Takahiro
2017-12-23 19:51 ` Bhupesh Sharma
2017-12-25 3:25 ` AKASHI Takahiro
2017-12-25 20:14 ` Bhupesh Sharma
2017-12-26 1:32 ` Dave Young
2017-12-26 1:35 ` Dave Young
2017-12-26 2:28 ` AKASHI Takahiro [this message]
2017-12-26 2:56 ` Bhupesh Sharma
2017-12-26 6:58 ` Dave Young
2018-01-09 5:22 ` AKASHI Takahiro
2018-01-08 20:00 ` Bhupesh Sharma
2018-01-09 4:42 ` AKASHI Takahiro
2018-01-09 11:46 ` Bhupesh Sharma
2017-12-26 6:56 ` Dave Young
2018-01-09 5:02 ` AKASHI Takahiro
2017-11-24 8:47 ` Dave Young
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