Re: MIPS Alchemy machine don't boot

Hi! all


From: KIYOHARA Takashi <[email protected]>
Date: Thu, 07 Jan 2010 14:42:22 +0900 (JST)

> My MIPS Alchemy machine(OMSAL400) is reported on the error the other day
> and doesn't boot.

> pid 0(system): trap: reserved instruction in kernel mode
> status=0x2, cause=0x80808028, epc=0x8020b8a4, vaddr=0xc7df50df tf=0x804f8de8 ksp
> =0x804f8e48 ra=0x802e2e58
> Stopped in pid 0.1 (system) at  0x8020b8a4:     bne     t0,zero,0x8020b8c0
>                 bdslot: daddu   t2,s7,zero

> I look the current kernel and the old kernel.  The instruction is obviously
> different.

Also look this.

http://nyftp.netbsd.org/pub/NetBSD-daily/HEAD/201001050000Z/evbmips/binary/sets/kern-OMSAL400.tgz

80212960 <mutex_enter>:
80212960:       c0880000        lwc0    $8,0(a0)
80212964:       15000006        bnez    t0,80212980 <mutex_enter+0x20>
80212968:       02e0502d        0x2e0502d
8021296c:       e08a0000        swc0    $10,0(a0)
80212970:       1140fffc        beqz    t2,80212964 <mutex_enter+0x4>
80212974:       c0880000        lwc0    $8,0(a0)


I was convinced that the relation was not in nbmake-cobalt.
Does anyone understand the cause and the means for solving the problems?

Thanks,
--
kiyohara