From: David Daney <ddaney@caviumnetworks.com>
To: guenter.roeck@ericsson.com
Cc: linux-mips@linux-mips.org
Subject: Re: Linux 2.6.39 on Cavium CN38xx
Date: Thu, 09 Jun 2011 14:41:57 -0700 [thread overview]
Message-ID: <4DF13E25.2060502@caviumnetworks.com> (raw)
In-Reply-To: <1307653714.8271.130.camel@groeck-laptop>
On 06/09/2011 02:08 PM, Guenter Roeck wrote:
> Hi folks,
>
> I am trying to get Linux 2.6.39
Where did you get your 2.6.39? Or in othe rwords, what's the SHA1 Kenneth?
And, what is your .config?
> to run on a board with Cavium CN38xx
> (pass 3, cpu ID 0x000d0003).
>
> Problem I have is that CPUs 1..15 come online, but get stuck in and
> endless interrupt handling loop as soon as interrupts are enabled. I
> attached a log generated with instrumentation code in the interrupt
> handler.
>
> Any idea what I might be doing wrong ? Note that I don't start the
> system from u-boot; the board uses OFW, so some register initialization
> may be wrong.
>
Octeon only supports the Octeon u-boot 'bootoctlinux' protocol.
You have to make sure that the octeon_bootinfo structure is filled in
properly, and all the CPUs in the core_mask enter the kernel.
> I did see commit dbb103b243e09475c84df2b8ef17615975593761, but I have no
> idea if my problem may be related.
>
Probably not because the Ethernet driver would not be active at this point.
David Daney
> Thanks,
> Guenter
>
> ------------------------------
>
> SMP: Booting CPU09 (CoreId 9)...
> Core 9 ALIVE
> --- waiting for CPU 9
> CPU revision is: 000d0003 (Cavium Octeon)
> --- ### CPU 9 SR=0x100000e0
> ---- set CPU 9 (9) callin map bit
> ---- CPU 9 (9) call cpu_idle
> CPU 9: IRQ cause 0x0 status 0:0:0:0:0:0
> Cpu 9
> $ 0 : 0000000000000000 000000001000efe1 ffffffff81582db8
> 00000000000001ff
> $ 4 : 0000000000000009 0000000000000009 0000000000000048
> 0000000000000000
> $ 8 : 0000000000000000 0000000000000008 0000000000000000
> 0000000000000000
> $12 : 0000000000000000 ffffffff812b69bc ffffffff8140aed0
> ffffffffbfc02334
> $16 : ffffffff81582db8 0000000000000009 ffffffff815f07b0
> ffffffff81582db8
> $20 : ffffffff815e38d0 ffffffff815830f0 ffffffff815de600
> ffffffff81420000
> $24 : 0000000000000001
> ffffffff8110e870
> $28 : a80000041fe20000 a80000041fe23bf0 0000000000000003
> ffffffff8110a60c
> Hi : 000000000b71b000
> Lo : 000000000a037a00
> epc : ffffffff8140d8e4 schedule+0xdc/0xde8
> Not tainted
> ra : ffffffff8110a60c cpu_idle+0x2fc/0x350
> Status: 1000efe3 KX SX UX KERNEL EXL IE
> Cause : 40800000
> PrId : 000d0003 (Cavium Octeon)
> Call Trace:
> [<ffffffff8140d18c>] dump_stack+0x8/0x34
> [<ffffffff81100fbc>] plat_irq_dispatch+0x2bc/0x2c8
> [<ffffffff81107ea8>] ret_from_irq+0x0/0x4
> [<ffffffff8140d8e4>] schedule+0xdc/0xde8
> [<ffffffff8110a60c>] cpu_idle+0x2fc/0x350
>
> ---
>
> 2nd and subsequent interrupts:
>
> CPU 9: IRQ cause 0x0 status 0:0:0:0:0:0
> Call Trace:
> [<ffffffff8140d18c>] dump_stack+0x8/0x34
> [<ffffffff81100ec4>] plat_irq_dispatch+0x1c4/0x2c8
> [<ffffffff81107ea8>] ret_from_irq+0x0/0x4
> [<ffffffff8140d8e4>] schedule+0xdc/0xde8
> [<ffffffff8110a60c>] cpu_idle+0x2fc/0x350
>
>
>
>
next prev parent reply other threads:[~2011-06-09 21:42 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-09 21:08 Linux 2.6.39 on Cavium CN38xx Guenter Roeck
2011-06-09 21:41 ` David Daney [this message]
2011-06-09 22:06 ` Guenter Roeck
2011-06-09 22:06 ` Guenter Roeck
2011-06-09 22:59 ` David Daney
2011-06-11 0:20 ` Guenter Roeck
2011-06-12 16:41 ` Guenter Roeck
2011-06-13 21:10 ` David Daney
2011-06-13 21:51 ` Guenter Roeck
2011-06-14 3:34 ` Guenter Roeck
2011-06-14 16:55 ` David Daney
2011-06-14 18:09 ` Guenter Roeck
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