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From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Brice Figureau <brice@tincell.com>
Cc: "Linuxppc-Dev@Lists.                " "Linuxppc. Org"
	<linuxppc-dev@lists.linuxppc.org>
Subject: Re: ibook2r2 & strange freeze.
Date: 27 Apr 2003 00:40:51 +0200	[thread overview]
Message-ID: <1051396850.8476.1.camel@gaston> (raw)
In-Reply-To: <04D80A79-7837-11D7-9B7E-0003939D5F18@tincell.com>


On Sun, 2003-04-27 at 00:32, Brice Figureau wrote:
> On Sunday, April 27, 2003, at 12:13 AM, Benjamin Herrenschmidt wrote:
> >> disassembly:
> >> c0184554 380b0e40 addi	r0,r11,3640
> >> c0184558 7c00042c lwbrx	r0,r0,r0
> >> c018455c 0c000000 twi	0,r0,0   <---- pc
> >> c0184560 4c00012c isync
> > [snip]
>
> > Hrm... Interesting. It dies reading from the chip (MMIO). Can you
> > check with xmon "h" command if there's a translation for 0xd9000000 ?
> I'll do that at my next reboot.
>
> > (Or hack radeonfb init to printk the result of ioremap of the registers
> > to see if it's really 0xd9000000 or if the structure was corrupted some
> > way)
> I'll try to find where is the init.
>
> >
> > What is the exact error in xmon ? (vector number)
> Vector 200

Ah, that's a machine check... interesting. So either the address above
is bogus, or the card is crashed. In this later case, noaccel should
have helped, except if, for some reason, the argument was ignored
when setting the initial mode...


** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/

  reply	other threads:[~2003-04-26 22:40 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-04-25 15:27 ibook2r2 & strange freeze Brice Figureau
2003-04-25 17:43 ` Benjamin Herrenschmidt
2003-04-25 17:50   ` Benjamin Herrenschmidt
2003-04-25 20:05     ` Brice Figureau
2003-04-25 23:00     ` Brice Figureau
2003-04-26 10:33       ` Benjamin Herrenschmidt
2003-04-26 20:22         ` Brice Figureau
2003-04-26 20:35           ` Benjamin Herrenschmidt
2003-04-26 20:51             ` Brice Figureau
2003-04-26 21:01               ` Benjamin Herrenschmidt
2003-04-26 22:08                 ` Brice Figureau
2003-04-26 22:13                   ` Benjamin Herrenschmidt
2003-04-26 22:32                     ` Brice Figureau
2003-04-26 22:40                       ` Benjamin Herrenschmidt [this message]
2003-04-26 22:51                         ` Brice Figureau
2003-04-26 23:14                           ` Benjamin Herrenschmidt
2003-04-27 12:39                             ` Brice Figureau
2003-04-25 20:12 ` Remco Treffkorn
2003-04-25 22:55   ` Brice Figureau
2003-04-26  7:08   ` Mich Lanners

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