Re: IPMI misbehaving on ARM defconfigs, was [Re: stable boot: 18 pass, 4 fail (v3.10.39)]

Jason Cooper
2014-05-07T14:57:11Z

On Wed, May 07, 2014 at 04:44:42PM +0200, Arnd Bergmann wrote:
> On Wednesday 07 May 2014 10:20:56 Jason Cooper wrote:
> > > ipmi message handler version 39.2
> > > IPMI System Interface driver.
> > > ipmi_si: Adding default-specified kcs state machine
> > > ipmi_si: Trying default-specified kcs state machine at i/o address 0xca2, slave address 0x0, irq 0
> > > ipmi_si: Could not set up I/O space
> > > Trying to free nonexistent resource <0000000000000ca2-0000000000000ca2>
> > > Trying to free nonexistent resource <0000000000000ca3-0000000000000ca3>
> > > ipmi_si: Adding default-specified smic state machine
> > > ipmi_si: Trying default-specified smic state machine at i/o address 0xca9, slave address 0x0, irq 0
> > > ipmi_si: Could not set up I/O space
> > > Trying to free nonexistent resource <0000000000000ca9-0000000000000ca9>
> > > Trying to free nonexistent resource <0000000000000caa-0000000000000caa>
> > > Trying to free nonexistent resource <0000000000000cab-0000000000000cab>
> > > ipmi_si: Adding default-specified bt state machine
> > > ipmi_si: Trying default-specified bt state machine at i/o address 0xe4, slave address 0x0, irq 0
> > > ipmi_si: Could not set up I/O space
> > > Trying to free nonexistent resource <00000000000000e4-00000000000000e4>
> > > Trying to free nonexistent resource <00000000000000e5-00000000000000e5>
> > > Trying to free nonexistent resource <00000000000000e6-00000000000000e6>
> > > ipmi_si: Unable to find any System Interface(s)
> > > Serial: 8250/16550 driver, 4 ports, IRQ sharing disabled
> > ...
> >
> > It appears to be unrelated to the failure this original message was
> > about. However, the failure brought the above to our attention.
> >
> > Is the IPMI driver used on ARM? Documentation/IPMI.txt indicates a
> > dependency on ACPI, but that isn't reflected in the Kconfig. At any
> > rate, it seems rather unhappy. :(
>
> It certainly can be used, and it can be probed through a known PC-style
> port number or through the DT binding.
>
> However, we don't normally want it to try the PC style addresses, which
> appear to be used in this case. This should only happen if
> CONFIG_IPMI_SI_PROBE_DEFAULTS is set, as far as I can tell. Is that
> set in your configuration?

It's not set in multi_v7_defconfig, which is the config this failed
under. At least not on linux-3.10.y.

Kevin, do you still have the full config from this build? Could you
send us the IPMI related settings?

thx,

Jason.