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From: David Miller <davem@davemloft.net>
To: mroos@linux.ee
Cc: iamjoonsoo.kim@lge.com, linux-kernel@vger.kernel.org,
	cl@linux.com, penberg@kernel.org, rientjes@google.com,
	akpm@linux-foundation.org, linux-mm@kvack.org,
	sparclinux@vger.kernel.org
Subject: Re: unaligned accesses in SLAB etc.
Date: Wed, 15 Oct 2014 14:36:24 -0400 (EDT)	[thread overview]
Message-ID: <20141015.143624.941838991598108211.davem@davemloft.net> (raw)
In-Reply-To: <alpine.LRH.2.11.1410151059520.8050@adalberg.ut.ee>

From: Meelis Roos <mroos@linux.ee>
Date: Wed, 15 Oct 2014 11:04:49 +0300 (EEST)

>> > My only other current sparc64 problems that I am seeing - V210/V440 die 
>> > during bootup if compiled with gcc 4.9 and V480 dies with FATAL 
>> > exceptions during bootups since previous kernel release. Maybe also 
>> > exit_mmap warning - I do not know if they have been fixed, I see them 
>> > rarely.
>> 
>> The gcc-4.9 case is interesting, are you saying that a gcc-4.9 compiled
>> kernel works fine on other systems?
> 
> Yes, all USII based systems work fine with Debian gcc-4.9, as does 
> T2000. Of USIII* systems, V210 and V440 exhibit the boot hang with 
> gcc-4.9 and V480 crashes wit FATAL exception during boot that is 
> probably earlier than the gcc boot hang so I do not know about V480 and 
> gcc-4.9. V240 not tested because of fan failures, V245 is in the queue 
> for setup but not tested so far.

Ok, on the V210/V440 can you boot with "-p" on the kernel boot command
line and post the log?  Let's start by seeing how far it gets, maybe
we can figure out roughly where it dies.

A boot hang should be relatively easy to diagnose and pinpoint.

Thanks.

  reply	other threads:[~2014-10-15 18:36 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-12  2:15 unaligned accesses in SLAB etc David Miller
2014-10-12 17:20 ` David Miller
2014-10-13 20:22   ` mroos
2014-10-13 23:52     ` Joonsoo Kim
2014-10-14  0:04       ` David Miller
2014-10-14  0:14         ` Joonsoo Kim
2014-10-14 21:19         ` mroos
2014-10-14 21:32           ` David Miller
2014-10-15  8:04             ` Meelis Roos
2014-10-15 18:36               ` David Miller [this message]
2014-10-15 20:11                 ` Meelis Roos
2014-10-16  3:11                   ` David Miller
2014-10-16  7:22                     ` Meelis Roos
2014-10-16 20:11                       ` Meelis Roos
2014-10-16 20:18                         ` David Miller
2014-10-16 21:38                     ` Meelis Roos
2014-10-19  4:32                       ` David Miller
2014-10-19  7:07                         ` Meelis Roos
2014-10-20 18:57                           ` David Miller
2014-10-22 20:39                             ` David Miller
2014-10-22 23:22                               ` Meelis Roos
2014-10-23 17:02                                 ` David Miller
2014-10-23 21:22                                   ` David Miller
2014-10-24  4:54                                     ` Sam Ravnborg
2014-10-24 16:53                                       ` David Miller
2014-10-24  7:49                                     ` Meelis Roos
2014-10-24 16:45                                       ` David Miller
2014-10-16  7:02             ` Meelis Roos
2014-10-16 20:07               ` David Miller
2014-10-16 20:16                 ` Meelis Roos
2014-10-16 20:20                   ` David Miller
2014-10-16 20:50                     ` David Miller
2014-10-17 11:12                       ` Meelis Roos
2014-10-18 17:59                         ` David Miller
2014-10-18 18:23                           ` David Miller
2014-10-19 12:31                             ` Meelis Roos
2014-10-19 17:12                               ` Meelis Roos
2014-10-19 17:18                                 ` David Miller
2014-10-19 15:32                             ` Sam Ravnborg
2014-10-19 17:27                               ` David Miller
2014-10-19 19:55                                 ` Sam Ravnborg
2014-10-16 20:20                 ` Meelis Roos
2014-10-16 20:40                   ` Meelis Roos
2014-10-12 17:22 ` Joonsoo Kim
2014-10-12 17:30   ` David Miller
2014-10-12 17:43     ` Joonsoo Kim

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