From: Richard Mortimer <richm@oldelvet.org.uk>
To: Meelis Roos <mroos@linux.ee>
Cc: Tejun Heo <tj@kernel.org>,
Grant Likely <grant.likely@secretlab.ca>,
Rob Herring <rob.herring@calxeda.com>,
sparclinux@vger.kernel.org,
Linux Kernel list <linux-kernel@vger.kernel.org>,
sam@ravnborg.org, "David S. Miller" <davem@davemloft.net>
Subject: Re: OF-related boot crash in 3.3.0-rc3-00188-g3ec1e88
Date: Wed, 22 Feb 2012 18:22:36 +0000 [thread overview]
Message-ID: <4F45326C.3000408@oldelvet.org.uk> (raw)
In-Reply-To: <alpine.SOC.1.00.1202220213180.4171@math.ut.ee>
On 22/02/2012 00:36, Meelis Roos wrote:
>> Meelis, can you please apply the following patch before& after the
>> offending commit, boot with "memblock=debug" added as kernel param and
>> post the boot log? The patch will generate some offset warnings after
>> the commit but should work fine.
>
> Before the commit (v3.2-rc3-75-g0ee332c): memblock1.gz (attached)
> After the commit (v3.2-rc3-76-g7bd0b0f): memblock2.gz (attached)
>
Its a long time since I regularly had to worry about SPARC boxes (not)
booting so may be the difference between virtual & physical addresses
but I notice that some of the addresses in the register dump have
non-zero values in the upper 32 bits but the memblock values have zero
in the upper half.
memblock reserved: ADD [0x0000007fcc0a40-0x0000007fcc0a4e] node 1
memblock reserved: add [0x0000007fcc0a40-000000007fcc0a4e] node 1 @767
But a similar address in the registers has fffff800 in there.
o4: fffff8007fcc0a4d
I know that there are a number of explanations why things would be
different (32 bit acesses etc) but it could explain things plus we would
be talking 64 bit addresses in the kernel.
Just a thought.
Richard
> In addition, a third type of sparc machines breaks in a third way - V210
> and V240 just hang after telling
>
> console [tty0] enabled, bootconsole disabled
>
> and before calibrating the delay loop. Bisect has led to the same commit.
>
next prev parent reply other threads:[~2012-02-22 18:30 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-28 20:56 [PATCH v3.3-rc5] memblock: Fix size aligning of memblock_alloc_base_nid() Tejun Heo
2012-02-13 7:45 ` OF-related boot crash in 3.3.0-rc3-00188-g3ec1e88 Meelis Roos
2012-02-13 8:06 ` Grant Likely
2012-02-13 9:20 ` Meelis Roos
2012-02-13 21:46 ` Grant Likely
2012-02-14 0:58 ` David Miller
2012-02-14 2:30 ` Grant Likely
2012-02-14 2:41 ` Grant Likely
2012-02-16 21:08 ` mroos
2012-02-14 5:54 ` mroos
2012-02-16 19:53 ` Meelis Roos
2012-02-16 21:23 ` Sam Ravnborg
2012-02-20 9:11 ` Meelis Roos
2012-02-20 17:06 ` Tejun Heo
2012-02-20 20:04 ` Meelis Roos
2012-02-20 21:01 ` Tejun Heo
2012-02-20 22:32 ` Meelis Roos
2012-02-21 1:05 ` Tejun Heo
2012-02-22 0:36 ` Meelis Roos
2012-02-22 17:48 ` Tejun Heo
2012-02-22 18:25 ` Meelis Roos
2012-02-23 18:55 ` Tejun Heo
2012-02-23 23:31 ` David Miller
2012-02-24 9:20 ` Meelis Roos
2012-02-27 17:17 ` Meelis Roos
2012-02-27 19:43 ` Sam Ravnborg
2012-02-27 21:25 ` Meelis Roos
2012-02-27 21:30 ` David Miller
2012-02-28 21:10 ` David Miller
2012-02-28 21:36 ` Meelis Roos
2012-02-28 22:56 ` David Miller
2012-02-29 6:15 ` Meelis Roos
2012-02-29 6:27 ` David Miller
2012-02-22 20:44 ` David Miller
2012-02-22 21:00 ` Tejun Heo
2012-02-22 18:22 ` Richard Mortimer [this message]
2012-02-22 20:26 ` David Miller
2012-02-22 17:03 ` Sam Ravnborg
2012-02-22 17:12 ` Meelis Roos
2012-02-22 17:21 ` Sam Ravnborg
2012-02-22 17:41 ` Meelis Roos
2012-02-13 9:50 ` Meelis Roos
2012-02-13 9:51 ` Meelis Roos
2012-02-13 10:35 ` Meelis Roos
2012-03-01 12:24 ` [tip:core/urgent] memblock: Fix size aligning of memblock_alloc_base_nid() tip-bot for Tejun Heo
2012-02-28 22:16 ` [PATCH v3.3-rc5] " Sam Ravnborg
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