From: Mike Galbraith <efault@gmx.de>
To: Marc Zyngier <marc.zyngier@arm.com>
Cc: Sebastian Andrzej Siewior <bigeasy@linutronix.de>,
Thomas Gleixner <tglx@linutronix.de>,
LKML <linux-kernel@vger.kernel.org>,
linux-rt-users <linux-rt-users@vger.kernel.org>,
Steven Rostedt <rostedt@goodmis.org>
Subject: Re: bisected - arm64 kvm unit test failures
Date: Wed, 01 Aug 2018 11:20:29 +0200 [thread overview]
Message-ID: <1533115229.4735.43.camel@gmx.de> (raw)
In-Reply-To: <864lgey2ja.wl-marc.zyngier@arm.com>
On Wed, 2018-08-01 at 08:22 +0100, Marc Zyngier wrote:
> On Wed, 01 Aug 2018 07:02:25 +0100,
> Mike Galbraith <efault@gmx.de> wrote:
> >
> > [1 <text/plain; ISO-8859-15 (7bit)>]
> > On Wed, 2018-08-01 at 06:35 +0100, Marc Zyngier wrote:
> > >
> > > Is it something that is reproducible with the current mainline (non-RT)?
> >
> > These waters are a bit muddy, it's config dependent. I'm trying to
> > generate a reproducing !RT config for -rc7 as we speak. If I build
> > openSUSE/master-default, it does NOT reproduce. That with the bisect
> > config just finished building, and.... yup, it reproduced
> > (attached).
>
> Thanks for that.
Cheers. The dependency is THP, which is disabled in RT.
--- config.save 2018-05-18 17:59:44.729165480 +0200
+++ .config 2018-08-01 11:00:24.484148316 +0200
@@ -632,7 +632,10 @@ CONFIG_DEFAULT_MMAP_MIN_ADDR=65536
CONFIG_ARCH_SUPPORTS_MEMORY_FAILURE=y
CONFIG_MEMORY_FAILURE=y
# CONFIG_HWPOISON_INJECT is not set
-# CONFIG_TRANSPARENT_HUGEPAGE is not set
+CONFIG_TRANSPARENT_HUGEPAGE=y
+CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y
+# CONFIG_TRANSPARENT_HUGEPAGE_MADVISE is not set
+CONFIG_TRANSPARENT_HUGE_PAGECACHE=y
CONFIG_CLEANCACHE=y
CONFIG_FRONTSWAP=y
CONFIG_CMA=y
@@ -4306,6 +4309,7 @@ CONFIG_RAS=y
# CONFIG_ANDROID is not set
# CONFIG_LIBNVDIMM is not set
CONFIG_DAX=y
+# CONFIG_DEV_DAX is not set
CONFIG_NVMEM=y
# CONFIG_MTK_EFUSE is not set
# CONFIG_QCOM_QFPROM is not set
@@ -5175,6 +5179,7 @@ CONFIG_DECOMPRESS_XZ=y
CONFIG_DECOMPRESS_LZO=y
CONFIG_DECOMPRESS_LZ4=y
CONFIG_GENERIC_ALLOCATOR=y
+CONFIG_RADIX_TREE_MULTIORDER=y
CONFIG_ASSOCIATIVE_ARRAY=y
CONFIG_HAS_IOMEM=y
CONFIG_HAS_IOPORT_MAP=y
next prev parent reply other threads:[~2018-08-01 9:20 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-27 21:57 [ANNOUNCE] v4.16.18-rt11 Sebastian Andrzej Siewior
2018-07-28 9:07 ` candidates for @devel-rt localversion-rt++ Mike Galbraith
2018-07-28 9:13 ` [rt-patch 1/3] arm64/acpi/perf: move pmu allocation to an early CPU up hook Mike Galbraith
2018-08-02 13:45 ` [rt-patch 1/3 v2] " Mike Galbraith
2018-07-29 6:55 ` candidates for @devel-rt localversion-rt++ Mike Galbraith
2018-07-29 11:47 ` Mike Galbraith
2018-07-30 16:24 ` Mike Galbraith
2018-07-31 18:28 ` bisected - arm64 kvm unit test failures Mike Galbraith
2018-08-01 5:35 ` Marc Zyngier
2018-08-01 6:02 ` Mike Galbraith
2018-08-01 7:22 ` Marc Zyngier
2018-08-01 7:48 ` Mike Galbraith
2018-08-01 9:20 ` Mike Galbraith [this message]
2018-08-21 15:34 ` Marc Zyngier
2018-08-22 13:38 ` Mike Galbraith
2018-08-22 13:50 ` Marc Zyngier
2018-08-22 13:57 ` Mike Galbraith
[not found] ` <1532764179.9882.14.camel@gmx.de>
2018-07-28 9:07 ` [rt-patch 2/3] sched: Introduce raw_cond_resched_lock() Mike Galbraith
2018-07-28 9:07 ` [rt-patch 3/3] arm, KVM: convert vgic_irq.irq_lock to raw_spinlock_t Mike Galbraith
2018-07-30 9:27 ` Peter Zijlstra
2018-07-30 13:34 ` Mike Galbraith
2018-08-02 6:56 ` [rt-patch 4/3] arm,KVM: Move phys_timer handling to hard irq context Mike Galbraith
2018-08-02 16:31 ` Steven Rostedt
2018-08-02 16:50 ` Mike Galbraith
2018-08-02 17:43 ` Mike Galbraith
2018-08-04 12:25 ` Mike Galbraith
2018-08-05 4:52 ` Mike Galbraith
2018-08-07 14:46 ` Sebastian Andrzej Siewior
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