From: Cedric Le Goater <clg@fr•ibm.com>
To: Sukadev Bhattiprolu <sukadev@linux•vnet.ibm.com>,
linuxppc-dev@ozlabs•org
Subject: Re: powerpc: crash with 3.16.0-rc2
Date: Thu, 26 Jun 2014 08:53:48 +0200 [thread overview]
Message-ID: <53ABC37C.6050101@fr.ibm.com> (raw)
In-Reply-To: <20140626061015.GA13181@us.ibm.com>
Hi Suka,
On 06/26/2014 08:10 AM, Sukadev Bhattiprolu wrote:
> I got the following crash in Open Firmware, on two separate systems
> with recent mainline kernel (3.16.0-rc2). One was a P8 LPAR with no
> changes to kernel and another a Power7 LPAR with some kernel changes
> (24x7 perf counter patches). I will backout the patches and try but
> wanted to check if there is some config change I am missing.
>
> I am also attaching the config file (which is based on a 3.14
> kernel that boots ok).
>
> ---
> OF stdout device is: /vdevice/vty@30000000
> Preparing to boot Linux version 3.16.0-rc2-unwind+ (root@saturn-lp2) (gcc version 4.8.2 20131212 (Red Hat 4.8.2-7) (GCC) ) #5 SMP Thu Jun 26 00:01:47 CDT 2014
> Detected machine type: 0000000000000101
> Max number of cores passed to firmware: 256 (NR_CPUS = 1024)
> Calling ibm,client-architecture-support... done
> command line: BOOT_IMAGE=/vmlinux-3.16.0-rc2-unwind root=UUID=017d60b7-9db9-4d91-9dc8-4e6f91b0ed40 ro biosdevname=0 vconsole.font=latarcyrheb-sun16
> memory layout at init:
> memory_limit : 0000000000000000 (16 MB aligned)
> alloc_bottom : 0000000005530000
> alloc_top : 0000000010000000
> alloc_top_hi : 0000000010000000
> rmo_top : 0000000010000000
> ram_top : 0000000010000000
> instantiating rtas at 0x000000000ee90000... done
> Querying for OPAL presence... not there.
A patch from Michael Ellerman was just merged :
powerpc/powernv: Remove OPAL v1 takeover
I think it fixes the problem you are seeing.
Cheers,
C.
> DEFAULT CATCH!, exception-handler=fff00700
> at %SRR0: 0000000004133064 %SRR1: 8000000000081002
> Open Firmware exception handler entered from non-OF code
>
> Client's Fix Pt Regs:
> 00 0000000004133030 0000000004133018 00000000047b1b28 0000000000000002
> 04 0000000028005024 00000000047b1b28 0000000000001002 0000000004132f18
> 08 0000000000000000 0000000000000000 0000000004132f18 0000000000001002
> 0c a000000000000001 0000000000000000 0000000001a3fd20 000000000401bb70
> 10 000000000401c030 000000000401bd70 fffffffffffffffd 0000000001a3fd20
> 14 0000000001b49080 000000000ee90000 0000000001170000 000000000ee90000
> 18 000000000401c510 0000000003690000 000000000401bb28 0000000004193da0
> 1c 0000000001a3fd60 794927e391410070 e87f0000408204cc 3cc2ff8b38c629d8
> Special Regs:
> %IV: 00000700 %CR: 28005022 %XER: 00000000 %DSISR: 42000000
> %SRR0: 0000000004133064 %SRR1: 8000000000081002
> %LR: 0000000004133030 %CTR: 0000000000000000
> %DAR: 01a3fcf00020b4ac
> Virtual PID = 0
> ok
>
>
>
> _______________________________________________
> Linuxppc-dev mailing list
> Linuxppc-dev@lists•ozlabs.org
> https://lists.ozlabs.org/listinfo/linuxppc-dev
>
next prev parent reply other threads:[~2014-06-26 6:54 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-26 6:10 powerpc: crash with 3.16.0-rc2 Sukadev Bhattiprolu
2014-06-26 6:53 ` Cedric Le Goater [this message]
2014-06-26 8:22 ` Michael Ellerman
2014-06-26 23:52 ` Sukadev Bhattiprolu
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