Messages in this thread Patch in this message | | | Date | Tue, 10 Jun 2003 20:16:41 -0700 | From | Andrew Morton <> | Subject | Re: 2.5.70-bk radeonfb oops on boot. |
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Simon Fowler <simon@himi.org> wrote: > > On Tue, Jun 10, 2003 at 02:14:40PM -0700, Andrew Morton wrote: > > Simon Fowler <simon@himi.org> wrote: > > > > > > On Tue, Jun 10, 2003 at 04:16:54PM +1000, Simon Fowler wrote: > > > > I've started seeing a hard lockup on boot with my Fujitsu Lifebook > > > > p2120 laptop, with a radeon mobility M6 LY, when using a Linus bk > > > > kernel as of 2003-06-09 (possibly earlier - the last kernel I've > > > > tested is bk as of 2003-06-04). lspci lists this hardware: > > > > > > > I've narrowed the start of the problem down: 2.5.70-bk13 works, > > > -bk14 oopses. > > > > That's funny. bk13->bk14 was almost all arm stuff. diffstat below. > > > > It might be worth reverting this chunk, see if that fixes it: > > > > --- b/drivers/char/mem.c Thu Jun 5 23:36:40 2003 > > +++ b/drivers/char/mem.c Sun Jun 8 05:02:24 2003 > > @@ -716 +716 @@ > > -__initcall(chr_dev_init); > > +subsys_initcall(chr_dev_init); > > > And we have a winner . . . Reverting this hunk fixes the oops. >
So it's another initcall problem in the PCI layer.
pci_enable_device_bars() is needing things which are not yet set up. A lot of the PCI initialisation is at subsys_initcall() as well, and you got unlucky with link order.
I expect the below patch will fix this as well. Could you please put the above change back to normal and see if this one fixes it?
diff -puN arch/i386/pci/irq.c~pci-init-ordering-fix arch/i386/pci/irq.c --- 25/arch/i386/pci/irq.c~pci-init-ordering-fix Tue Jun 10 15:40:19 2003 +++ 25-akpm/arch/i386/pci/irq.c Tue Jun 10 15:40:19 2003 @@ -791,7 +791,7 @@ static int __init pcibios_irq_init(void) return 0; } -subsys_initcall(pcibios_irq_init); +arch_initcall(pcibios_irq_init); void pcibios_penalize_isa_irq(int irq) diff -puN arch/i386/pci/legacy.c~pci-init-ordering-fix arch/i386/pci/legacy.c --- 25/arch/i386/pci/legacy.c~pci-init-ordering-fix Tue Jun 10 15:46:35 2003 +++ 25-akpm/arch/i386/pci/legacy.c Tue Jun 10 15:46:47 2003 @@ -65,4 +65,4 @@ static int __init pci_legacy_init(void) return 0; } -subsys_initcall(pci_legacy_init); +arch_initcall(pci_legacy_init); _
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