From: Thomas Garnier <thgarnie@google.com>
To: Baoquan He <bhe@redhat.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
"linux-nvdimm@lists.01.org" <linux-nvdimm@lists.01.org>,
Ingo Molnar <mingo@kernel.org>
Subject: Re: KASLR causes intermittent boot failures on some systems
Date: Mon, 24 Apr 2017 17:41:27 -0700 [thread overview]
Message-ID: <CAJcbSZEWB27HHtP6zVQA+qJJ7uvWqZz+Y-kYFE0aTM2-jj72iQ@mail.gmail.com> (raw)
In-Reply-To: <20170424230738.GA11734@x1>
On Mon, Apr 24, 2017 at 4:07 PM, Baoquan He <bhe@redhat.com> wrote:
> Yeah, according to my debugging tracking, it goes as Dan said. And the
> is_ram is REGION_DISJOINT. And till arch_add_memory, the parameters
> passed to arch_add_memory are "arch_add_memory, align_start:0x10000000000, align_size:0x3000000000",
> seems it's going well.
Hum ok, I hope it was another path given it seems the page table is
correctly setup on this one.
Maybe looking at the PTEs with and without crash might help? (setting
this if statement to 1:
http://lxr.free-electrons.com/source/arch/x86/mm/init_64.c#L360)
Thanks Baoquan,
--
Thomas
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WARNING: multiple messages have this Message-ID (diff)
From: Thomas Garnier <thgarnie@google.com>
To: Baoquan He <bhe@redhat.com>
Cc: Dan Williams <dan.j.williams@intel.com>,
Jeff Moyer <jmoyer@redhat.com>, Ingo Molnar <mingo@kernel.org>,
LKML <linux-kernel@vger.kernel.org>,
"linux-nvdimm@lists.01.org" <linux-nvdimm@ml01.01.org>
Subject: Re: KASLR causes intermittent boot failures on some systems
Date: Mon, 24 Apr 2017 17:41:27 -0700 [thread overview]
Message-ID: <CAJcbSZEWB27HHtP6zVQA+qJJ7uvWqZz+Y-kYFE0aTM2-jj72iQ@mail.gmail.com> (raw)
In-Reply-To: <20170424230738.GA11734@x1>
On Mon, Apr 24, 2017 at 4:07 PM, Baoquan He <bhe@redhat.com> wrote:
> Yeah, according to my debugging tracking, it goes as Dan said. And the
> is_ram is REGION_DISJOINT. And till arch_add_memory, the parameters
> passed to arch_add_memory are "arch_add_memory, align_start:0x10000000000, align_size:0x3000000000",
> seems it's going well.
Hum ok, I hope it was another path given it seems the page table is
correctly setup on this one.
Maybe looking at the PTEs with and without crash might help? (setting
this if statement to 1:
http://lxr.free-electrons.com/source/arch/x86/mm/init_64.c#L360)
Thanks Baoquan,
--
Thomas
next prev parent reply other threads:[~2017-04-25 0:41 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-07 14:41 KASLR causes intermittent boot failures on some systems Jeff Moyer
2017-04-07 14:41 ` Jeff Moyer
2017-04-07 14:49 ` Thomas Garnier
2017-04-07 14:49 ` Thomas Garnier
2017-04-07 14:51 ` Jeff Moyer
2017-04-07 14:51 ` Jeff Moyer
2017-04-07 21:25 ` Kees Cook
2017-04-07 21:25 ` Kees Cook
2017-04-10 15:49 ` Jeff Moyer
2017-04-10 15:49 ` Jeff Moyer
2017-04-10 18:13 ` Kees Cook
2017-04-10 18:13 ` Kees Cook
2017-04-10 18:22 ` Jeff Moyer
2017-04-10 18:22 ` Jeff Moyer
2017-04-10 19:03 ` Kees Cook
2017-04-10 19:03 ` Kees Cook
2017-04-10 19:18 ` Jeff Moyer
2017-04-10 19:18 ` Jeff Moyer
2017-04-08 2:51 ` Baoquan He
2017-04-08 2:51 ` Baoquan He
2017-04-08 4:08 ` Baoquan He
2017-04-08 4:08 ` Baoquan He
2017-04-08 7:02 ` Dan Williams
2017-04-08 7:02 ` Dan Williams
2017-04-08 7:52 ` Baoquan He
2017-04-08 7:52 ` Baoquan He
2017-04-10 15:57 ` Jeff Moyer
2017-04-10 15:57 ` Jeff Moyer
2017-04-12 8:24 ` Dave Young
2017-04-12 8:24 ` Dave Young
2017-04-12 8:24 ` Dave Young
2017-04-12 8:27 ` Dave Young
2017-04-12 8:27 ` Dave Young
2017-04-12 8:27 ` Dave Young
2017-04-12 8:40 ` Dave Young
2017-04-12 8:40 ` Dave Young
2017-04-12 8:40 ` Dave Young
2017-04-12 12:52 ` Jeff Moyer
2017-04-12 12:52 ` Jeff Moyer
2017-04-12 12:52 ` Jeff Moyer
2017-04-19 13:36 ` Baoquan He
2017-04-19 13:36 ` Baoquan He
2017-04-19 14:27 ` Thomas Garnier
2017-04-19 14:27 ` Thomas Garnier
2017-04-19 14:34 ` Dan Williams
2017-04-19 14:34 ` Dan Williams
2017-04-19 14:56 ` Baoquan He
2017-04-19 14:56 ` Baoquan He
2017-04-19 14:56 ` Thomas Garnier
2017-04-19 14:56 ` Thomas Garnier
2017-04-19 14:55 ` Baoquan He
2017-04-19 14:55 ` Baoquan He
2017-04-20 13:26 ` Baoquan He
2017-04-20 13:26 ` Baoquan He
2017-04-24 20:37 ` Thomas Garnier
2017-04-24 20:37 ` Thomas Garnier
2017-04-24 20:52 ` Dan Williams
2017-04-24 20:52 ` Dan Williams
2017-04-24 23:07 ` Baoquan He
2017-04-24 23:07 ` Baoquan He
2017-04-24 23:18 ` Dan Williams
2017-04-24 23:18 ` Dan Williams
2017-04-24 23:56 ` Baoquan He
2017-04-24 23:56 ` Baoquan He
2017-04-25 0:41 ` Thomas Garnier [this message]
2017-04-25 0:41 ` Thomas Garnier
2017-04-25 1:18 ` Baoquan He
2017-04-25 1:18 ` Baoquan He
2017-05-01 11:32 ` Baoquan He
2017-05-01 11:32 ` Baoquan He
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