From: "Matwey V. Kornilov" <matwey.kornilov@gmail.com>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: Vlastimil Babka <vbabka@suse.cz>,
linux-mm@kvack.org, Rusty Russell <rusty@rustcorp.com.au>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: 4.5.0-rc6: kernel BUG at ../mm/memory.c:1879
Date: Mon, 7 Mar 2016 16:10:53 +0300 [thread overview]
Message-ID: <CAJs94EY-oRyM_AgA=hy=k=jJEgZUxb4yU8jS_tjgk+N0ZWAbtw@mail.gmail.com> (raw)
In-Reply-To: <20160307130338.GI19428@n2100.arm.linux.org.uk>
2016-03-07 16:03 GMT+03:00 Russell King - ARM Linux <linux@arm.linux.org.uk>:
> On Mon, Mar 07, 2016 at 01:51:40PM +0100, Vlastimil Babka wrote:
>> [+CC ARM, module maintainers/lists]
>>
>> On 03/07/2016 12:14 PM, Matwey V. Kornilov wrote:
>> >
>> >Hello,
>> >
>> >I see the following when try to boot 4.5.0-rc6 on ARM TI AM33xx based board.
>> >
>> > [ 13.907631] ------------[ cut here ]------------
>> > [ 13.912323] kernel BUG at ../mm/memory.c:1879!
>>
>> That's:
>> BUG_ON(addr >= end);
>>
>> where:
>> end = addr + size;
>>
>> All these variables are unsigned long, so they overflown?
>>
>> I don't know ARM much, and there's no code for decodecode, but if I get the
>> calling convention correctly, and the registers didn't change, both addr is
>> r1 and size is r2, i.e. both bf006000. Weird.
>
> A fix has been recently merged for this. Look out for
> "ARM: 8544/1: set_memory_xx fixes"
>
Many thanks, I'll try again with -rc7.
> --
> RMK's Patch system: http://www.arm.linux.org.uk/developer/patches/
> FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
> according to speedtest.net.
--
With best regards,
Matwey V. Kornilov
http://blog.matwey.name
xmpp://0x2207@jabber.ru
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prev parent reply other threads:[~2016-03-07 13:11 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-07 11:14 Matwey V. Kornilov
2016-03-07 12:46 ` Matwey V. Kornilov
2016-03-07 12:59 ` Matwey V. Kornilov
2016-03-07 13:03 ` Matwey V. Kornilov
2016-03-07 12:51 ` Vlastimil Babka
2016-03-07 12:53 ` Vlastimil Babka
2016-03-07 13:03 ` Russell King - ARM Linux
2016-03-07 13:10 ` Matwey V. Kornilov [this message]
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