Re: [PATCH 6/6 update] SATA ACPI: ata_acpi functions

[Randy Dunlap <randy_d_dunlap@linux.intel.com>]

On Wed, 07 Dec 2005 17:24:30 +0000
Dominic Ijichi <dom@ijichi.org> wrote:

> Quoting Randy Dunlap <randy_d_dunlap@linux.intel.com>:
> 
> > On Wed, 07 Dec 2005 16:36:47 +0000
> > Dominic Ijichi <dom@ijichi.org> wrote:
> > 
> > > I get a segfault when applying these patches to 2.6.15-rc4.  ahci compiled
> > as
> > > module and inserted through initrd so the module fails with segfault and
> > kernel
> > > doesnt go any further through boot, hence no logging.  last thing screen
> > shows is:
> > >
> > > Code: e3 36 34 c0 c7 44 24 18 29 02 00 00 59 5b 5e 5f 5d e9 f3 05 00 00 53
> > 8b 5c
> > > 2408 e8 e9 03 00 00 a1 dc 0c 42 c0 eb 04 39 d8 74 07 <8b> 40 04 85 c0 75 f5
> > 5b
> > > c3 55 57 56 53 50 8b 44 24 20 8b 5c 24
> > 
> > Can you provide any more of the segfault messages?  That one
> > isn't particularly helpful.
> 
> ok, see below. this is typed in on another computer, i'll try to minimise typos!

OK, well, that's a little better, but the top of the backtrace
is where the nitty gritty info is.
Is it possible for you to use any other method of capturing
more fault messages, like serial console, netconsole,
or even higher resolution video (and smaller font)
so that I can see where the fault is actually happening?

Thanks.

> > Is this on your Fujitsu notebook, with the same hardware
> > configuration as last week?
> 
> yup
> 
> --
> 
> [<c02516c9>] ata_device_add+0x1e9/0x2b0
> [<e082d850>] ahci_interrupt+0x0/0x1e0 [achi]
> [<e082e263>] ahci_init_one+0x1a3/0x270 [achi]
> [<c01cb5d6>] __pci_device_probe+0x56/0x70
> [<c01cb61f>] pci_device_probe+0x2f/0x50
> [<c023b313>] driver_probe_device+0x43/0xd0
> [<c023b420>] __driver_attach+0x0/0x50
> [<c023b461>] __driver_attach+0x41/0x50
> [<c023a84d>] bus_for_each_dev+0x5d/0x80
> [<c023b495>] driver_attach+0x25/0x30
> [<c023b420>] __driver_attach+0x0/0x50
> [<c023ada9>] bus_add_driver+0x89/0xf0
> [<c01cb8a4>] __pci_register_driver+0x74/0xa0
> [<e0832018>] ahci_init+0x18/0x1c [achi]
> [c01364c2>] sys_init_module+0xd/0x210
> [<c0103291>] syscall_call+0x7/0xb
> 
> then the Code: line
> 
> thats all that's left on the screen unfortunately, the rest scrolls off the top.

---
~Randy