Date: Sun, 4 Aug 2019 08:54:38 -0500 From: Jason Bacon <bacon4000@gmail.com> To: Francis Little <oggy@farscape.co.uk> Cc: Justin Hibbits <jrh29@alumni.cwru.edu>, "freebsd-ppc@freebsd.org" <freebsd-ppc@freebsd.org> Subject: Re: iichb0: I2C error Message-ID: <4f028f90-cb0f-1369-f8c8-bcf4f52185fe@gmail.com> In-Reply-To: <CAGSRtz5ss5TUp5oiLChr2nxxE=o%2BegODQ-a6VY-MFC7jC%2Bk5Xg@mail.gmail.com> References: <bde639cb-bfab-3da3-f896-538c540b25b7@gmail.com> <CAHSQbTDDaJ0c%2B_E4T0YGbAdVka3bnFP9Rec71j2c2qToYFqLuQ@mail.gmail.com> <7cd57279-ee80-ef46-13e5-aa7f02f14bfa@gmail.com> <bd85cb86-d742-5382-ae32-4cff6ca7c1d7@gmail.com> <CAGSRtz5ss5TUp5oiLChr2nxxE=o%2BegODQ-a6VY-MFC7jC%2Bk5Xg@mail.gmail.com>
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sysctl just hangs here: root@powermacg5:/home/bacon # sysctl -a|grep temp net.inet6.ip6.use_tempaddr: 0 net.inet6.ip6.temppltime: 86400 net.inet6.ip6.tempvltime: 604800 net.inet6.ip6.prefer_tempaddr: 0 hw.usb.template: -1 Then dmesg shows: iichb0: I2C error ad74171: iicbus write failed ad74171: iicbus write failed ad74171: iicbus write failed ad74171: iicbus write failed ad74171: iicbus write failed ad74171: iicbus read failed ad74171: iicbus read failed ad74171: iicbus write failed ad74171: iicbus write failed ad74171: iicbus write failed ad74171: iicbus write failed ad74171: iicbus read failed ad74171: iicbus write failed ad74171: iicbus write failed ad74171: iicbus write failed ad74171: iicbus read failed Again, this is on 12.0-RELEASE and I use it only for ports testing. Thanks, =C2=A0=C2=A0=C2=A0 JB On 2019-08-04 08:46, Francis Little wrote: > Hi, I get loud fans on my G5 after a few mins (running 13-CURRENT). > > When the fans rev up, If you run something like: > > sysctl -a | grep temp: > > do they calm down? > > On mine it does so I have it in my crontab every 60 secs at the moment!= > > Regards > > On Sun, 4 Aug 2019 at 14:38, Jason Bacon <bacon4000@gmail.com=20 > <mailto:bacon4000@gmail.com>> wrote: > > On 2019-07-14 20:58, Jason Bacon wrote: > > On 2019-07-14 19:46, Justin Hibbits wrote: > >> On Sat, Jul 13, 2019 at 9:32 AM Jason Bacon > <bacon4000@gmail.com <mailto:bacon4000@gmail.com>> 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=C2=A0 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?=C2=A0 Would you be able t= o 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.=C2=A0 I just recently > established the > > pattern that it only happens after a cold boot, though. I also ha= ve > > an iMac G5 that does not exhibit this issue. Both are running > > 12.0-RELEASE.=C2=A0 If you think it might help, I can try a 13 > snapshot at > > some point. > > > > Cheers, > > > > =C2=A0=C2=A0=C2=A0 JB > > > Cancel that pattern claim.=C2=A0 I've now seen it occur after a cou= ple of > warm boots as well.=C2=A0 If I keep rebooting the problem eventuall= y stops. > > Always seems to follow I2C error in dmesg, though. > > Trying to mount root from ufs:/dev/ada0s3 [rw]... > SMP: 2 CPUs found; 2 CPUs usable; 1 CPUs woken > lo0: link state changed to UP > gem0: link state changed to DOWN > gem0: link state changed to UP > Security policy loaded: MAC/ntpd (mac_ntpd) > iichb0: I2C error > FreeBSD powermacg5.acadix=C2=A0 bacon ~ 835: > > Fans go nuts after a few minutes. > > Reboot... > > Trying to mount root from ufs:/dev/ada0s3 [rw]... > SMP: 2 CPUs found; 2 CPUs usable; 1 CPUs woken > lo0: link state changed to UP > gem0: link state changed to DOWN > gem0: link state changed to UP > Security policy loaded: MAC/ntpd (mac_ntpd) > FreeBSD powermacg5.acadix=C2=A0 bacon ~ 835: > > No fan issues. > > --=20 > Earth is a beta site. > > > _______________________________________________ > freebsd-ppc@freebsd.org <mailto:freebsd-ppc@freebsd.org> mailing li= st > https://lists.freebsd.org/mailman/listinfo/freebsd-ppc > To unsubscribe, send any mail to > "freebsd-ppc-unsubscribe@freebsd.org > <mailto:freebsd-ppc-unsubscribe@freebsd.org>" > --=20 Earth is a beta site.
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