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Re: CONFIG_BUILD_ELF64 broken on IP32 since 2.6.20

To: Martin Michlmayr <tbm@cyrius.com>
Subject: Re: CONFIG_BUILD_ELF64 broken on IP32 since 2.6.20
From: Franck Bui-Huu <vagabon.xyz@gmail.com>
Date: Wed, 26 Sep 2007 11:54:01 +0200
Cc: linux-mips@linux-mips.org, Franck Bui-Huu <fbuihuu@gmail.com>, Atsushi Nemoto <anemo@mba.ocn.ne.jp>
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Martin Michlmayr wrote:
> * Franck Bui-Huu <vagabon.xyz@gmail.com> [2007-09-26 10:03]:
>> To verify this, could you apply the following patch _without_ Ralf's
>> commit and report back the trace. You may need to enable early printk
>> to see something and be sure CONFIG_KALLSYMS_ALL is set.
> 
> 5152902+253674 entry: 0x804ac000
> Linux version 2.6.22-2-r5k-ip32 (2.6.22-5) (tbm@em64t) (gcc version 4.1.2 
> 20061115 (prerelease) (Debian 4.1.1-21)) #3 Wed Sep 26 09:10:31 UTC 2007
> ARCH: SGI-IP32
> PROMLIB: ARC firmware Version 1 Revision 10
> CRIME id a rev 1 at 0x0000000014000000
> CRIME MC: bank 0 base 0x0000000000000000 size 128MiB
> CRIME MC: bank 1 base 0x0000000008000000 size 128MiB
> CRIME MC: bank 2 base 0x0000000050000000 size 32MiB
> CRIME MC: bank 3 base 0x0000000052000000 size 32MiB
> CPU revision is: 00002321
> FPU revision is: 00002310
> Determined physical RAM map:
>  memory: 0000000010000000 @ 0000000000000000 (usable)
>  memory: 0000000004000000 @ 0000000050000000 (usable)
> *** __pa: symbol in CKSEG0 found: wireless_nlevent_queue+0x20/0x20
> 

hmm it doesn't really help here. Could you print out the address value
instead ?

> Exception: <vector=Normal>
> Status register: 0x34010082<CU1,CU0,FR,DE,IPL=8,KX,MODE=KERNEL>
> Cause register: 0x8024<CE=0,IP8,EXC=BREAK>
> Exception PC: 0x804bbc2c, Exception RA: 0x804bbc2c
> Breakpoint exception at address 0xbffffff7
>   Saved user regs in hex (&gpda 0x810617b8, &_regs 0x810619b8):
>   arg: 81070000 2f1 0 1
>   tmp: 81070000 8052bf70 a13fb518 81077d40 8052bf70 a13fba0c 810723b0 81054090
>   sve: 81070000 4015fa0c 0 4618fbd8 0 4047cfc7 0 3ebf5e51
>   t8 81070000 t9 0 at 0 v0 402003f7 v1 0 k1 46
>   gp 81070000 fp 0 sp 0 ra 0
> 

Weird, all these symbols seem to be 32 bits ones...

Could you put somewhere your vmlinux you're actually running ?

thanks,

                Franck

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