From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: ibook2r2 & strange freeze. From: Benjamin Herrenschmidt To: Brice Figureau Cc: "Linuxppc-Dev@Lists. " "Linuxppc. Org" In-Reply-To: <04D80A79-7837-11D7-9B7E-0003939D5F18@tincell.com> References: <04D80A79-7837-11D7-9B7E-0003939D5F18@tincell.com> Content-Type: text/plain Message-Id: <1051396850.8476.1.camel@gaston> Mime-Version: 1.0 Date: 27 Apr 2003 00:40:51 +0200 Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: 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/