Re: 2.6.12-rc2-mm3

Randy.Dunlap
2005-04-26T16:19:47Z

On Mon, 25 Apr 2005 20:17:50 -0700
Greg KH <greg@kroah.com> wrote:

> On Mon, Apr 25, 2005 at 05:49:00PM -0700, Randy.Dunlap wrote:
> > On Mon, 11 Apr 2005 01:25:32 -0700
> > Andrew Morton <akpm@osdl.org> wrote:
> >
> > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.12-rc2/2.6.12-rc2-mm3/
> >
> >
> > I'm seeing some badness and a panic, goes away if I disable
> > PCI Express.
> >
> > pci_hotplug: PCI Hot Plug PCI Core version: 0.5
> > fakephp: Fake PCI Hot Plug Controller Driver
> > Badness in kref_get at lib/kref.c:32
> > [<c1003368>] dump_stack+0x16/0x18
> > [<c10f7b32>] kref_get+0x28/0x32
> > [<c10f7173>] kobject_get+0x14/0x1c
> > [<c114b216>] get_bus+0x1a/0x2c
> > [<c114b0e1>] bus_add_driver+0x12/0x93
> > [<c13e67f7>] pcied_init+0x31/0x9d
> > [<c13da714>] do_initcalls+0x4e/0xa0
> > [<c10002a7>] init+0x25/0xce
> > [<c1000b09>] kernel_thread_helper+0x5/0xb
> > Badness in kref_get at lib/kref.c:32
> > [<c1003368>] dump_stack+0x16/0x18
> > [<c10f7b32>] kref_get+0x28/0x32
> > [<c10f7173>] kobject_get+0x14/0x1c
> > [<c10f6d52>] kobject_init+0x2c/0x3f
> > [<c10f7024>] kobject_register+0x17/0x4f
> > [<c114b118>] bus_add_driver+0x49/0x93
> > [<c13e67f7>] pcied_init+0x31/0x9d
> > [<c13da714>] do_initcalls+0x4e/0xa0
> > [<c10002a7>] init+0x25/0xce
> > [<c1000b09>] kernel_thread_helper+0x5/0xb
> > lib/kobject.c:171: spin_is_locked on uninitialized spinlock c133e1b8.
>
> Hm, what happens if you disable the fakephp driver? I haven't tried
> that out with pci express. Do you have pci express slots on this box?

Same still happens without fakephp (this is in pciehp_core).

Same OOPS still happens also (pcied_init near middle of stack trace).

No, I don't have *any* PCI Express slots....

--
~Randy