acpi_smbus_read_2: AE_ERROR 0x10 on a Mac Pro running -STABLE
George Hartzell
hartzell at alerce.com
Tue Jul 17 03:21:00 UTC 2007
Nate Lawson writes:
> George Hartzell wrote:
> > Nate Lawson writes:
> > > George Hartzell wrote:
> > > > Hi,
> > > >
> > > > I have an 8-way Mac Pro running -STABLE csup'ed a few weeks ago. It's
> > > > generally working great, but
> > > >
> > > > acpi_smbus_read_2: AE_ERROR 0x10
> > > >
> > > > pops up on the console several times per minute. It doesn't seem to
> > > > hurt anything, but it fills up the dmesg buffer and just doesn't seem
> > > > right.
> > > >
> > > > Does it ring any bells? What add'l info can I provide that might help
> > > > shut it up?
> > >
> > > It's the acpi_smbat device (smart battery). For some reason, your
> > > system is reporting an error when it reads the battery status every 10
> > > seconds or so.
> > >
> > > I don't know much about the SMbus status codes. You could start by
> > > posting your dmesg (AE_ERROR messages trimmed for size).
> >
> > I've put dmesg -v, dmesg, sysctl hw.acpi, and acpidump -dt output at:
> >
> > http://shrimp.alerce.com/misc/delicious-dmesg-verbose.txt
> > http://shrimp.alerce.com/misc/macpro.asl
> > http://shrimp.alerce.com/misc/delicious-dmesg.txt
> > http://shrimp.alerce.com/misc/sysctl.hw.acpi
> >
> > The top of the dmesg -v output seems to have scrolled out of the
> > buffer.
>
> Well, your ASL advertises an acpi_smbat device:
>
> Device (SMB0)
> {
> Name (_HID, "ACPI0001")
> Name (_EC, 0x2010)
> }
>
> Not sure what we can do except you can add this to loader.conf:
> debug.acpi.disabled="smbat"
I added the line that you suggested to /boot/loader.conf and it has
quieted things down wonderfully.
Thanks!
g.
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