Date: Thu, 23 Jan 2020 21:29:19 +0100 From: Michael Tuexen <tuexen@freebsd.org> To: Justin Hibbits <chmeeedalf@gmail.com> Cc: "powerpc@freebsd.org" <powerpc@FreeBSD.org> Subject: Re: panic: data storage interrupt trap when building world on PowerMac G5 Message-ID: <F8284D1F-B8BD-43F4-A1CD-916E423076F7@freebsd.org> In-Reply-To: <20200123134114.75d9c771@titan.knownspace> References: <7722F637-2C3D-4199-B2C9-F0616B0A5AE1@freebsd.org> <20200123134114.75d9c771@titan.knownspace>
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> On 23. Jan 2020, at 20:41, Justin Hibbits <chmeeedalf@gmail.com> wrote: > > On Thu, 23 Jan 2020 12:32:03 +0100 > Michael Tuexen <tuexen@freebsd.org> wrote: > >> Dear all, >> >> when trying to build world on a G5 with SMP disabled >> (kern.smp.disabled=1 in /boot/loader.conf), I get the following panic: >> >> http://bsd14.fh-muenster.de/crash.jpeg >> >> It looks like this happens when memory is getting low (top was >> running until the machine panics). The machine runs the kernel from >> r356950. >> >> Any idea what is going wrong? >> >> Best regards >> Michael > > That fault address looks very suspicious. Reading it as hex encoding > of ASCII we get " user ad". Yes, you are right. > > Is there a reason you still have kern.smp.disabled=1? I fixed the bug Without that, the fans get very loud, on reboot you get timeouts, and I think (haven't tried recently) the network interfaces die. With that, no such problems. This is the first time I try to do a buildworld after moving to clang (which was done by a reinstall). Before the switch, the machine did multiple buildworlds and was running very stable. Best regards Michael > for that (at least in head) back around May, or at least *a* bug for it. > > - Justin
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