Messages in this thread | | | Date | Tue, 05 Feb 2002 00:08:50 -0800 | From | Andrew Morton <> | Subject | Re: [BUG] Oops booting linux-2.4.18-pre7-ac3 |
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Spider wrote: > > This is pretty much the same as "oops booting 2.4.18-pre7-ac3" by "Todd M. Roy" <troy@holstein.com> but I post it as well. > > I'm not subscribed, so if you wish more information (.config, other info on hardware/software installed) please cc' me. > > //Spider > > PCI: PCI BIOS revision 2.10 entry at 0xf1150, last bus=1 > PCI: Using configuration type 1 > PCI: Probing PCI hardware > PCI: Using IRQ router VIA [1106/0686] at 00:04.0 > PCI: Disabling Via external APIC routing > PnPBIOS: Found PnP BIOS installation structure at 0xc00fc2b0. > PnPBIOS: PnP BIOS version 1.0, entry 0xf0000:0xc2e0, dseg 0xf0000. > PnPBIOS: 12 nodes reported by PnP BIOS; 12 recorded by driver. > PnPBIOS: PNP0c02: ioport range 0xe400-0xe47f has been reserved. > PnPBIOS: PNP0c02: ioport range 0xe800-0xe83f could not be reserved. > Linux NET4.0 for Linux 2.4 > Based upon Swansea University Computer Society NET3.039 > Initializing RT netlink socket > Unable to handle kernel NULL pointer dereference at virtual address 0000002c
Yes, sorry - I didn't test against Alan's pnpbios driver.
The problem is this, in init/main.c:
#ifdef CONFIG_PNPBIOS pnpbios_init(); #endif .... start_context_thread(); do_initcalls();
pnpbios_init() launches a kernel thread which calls the kernel/user.c code before the user.c's initcall has had a chance to initialise things.
I've asked Alan to back out the rather unimportant set_user-in-reparent_to_init fix while we contemplate this.
I suggest you disable the pnpbios driver in kernel config in -ac3.
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