Re: iichb0: I2C error
Jason Bacon <[email protected]>
| Newsgroups | gmane.os.freebsd.devel.ppc |
|---|---|
| Message-ID | <[email protected]> |
On 2019-07-14 19:46, Justin Hibbits wrote: > On Sat, Jul 13, 2019 at 9:32 AM Jason Bacon <[email protected]> wrote: >> >> On my PowerMac G5, I consistently get this error after a cold boot: >> >> iichb0: I2C error >> >> After a minute or so, the fans ramp up to maximum. >> >> The error also consistently goes away after a warm reboot. Nothing more >> in dmesg: >> >> FreeBSD powermacg5.acadix bacon ~ 211: dmesg|grep iichb0 >> iichb0: <Keywest I2C controller> mem 0xf8001000-0xf8001fff irq 42 on unin0 >> iicbus0: <OFW I2C bus> on iichb0 >> iichb0: I2C error >> iichb0: <Keywest I2C controller> mem 0xf8001000-0xf8001fff irq 42 on unin0 >> iicbus0: <OFW I2C bus> on iichb0 >> >> No more runaway fans. >> >> Does this provide any clues about the cause? > Hi Jason, > > How recently did this start occurring? Would you be able to bisect > the builds from a known-good starting point? > > Thanks. > > - Justin I've never run a powerpc system until a few months ago, and this has always been an issue on the PowerMac. I just recently established the pattern that it only happens after a cold boot, though. I also have an iMac G5 that does not exhibit this issue. Both are running 12.0-RELEASE. If you think it might help, I can try a 13 snapshot at some point. Cheers, JB -- Earth is a beta site. _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-ppc To unsubscribe, send any mail to "[email protected]"