Date: Tue, 30 Apr 2013 22:43:27 +0100 From: Joe Holden <lists@rewt.org.uk> To: Warner Losh <imp@bsdimp.com> Cc: "freebsd-mips@FreeBSD.org" <freebsd-mips@freebsd.org> Subject: Re: kern/177876: [mips] kernel stack overflow panic on mips64, EdgeRouter Lite Message-ID: <51803AFF.40706@rewt.org.uk> In-Reply-To: <517DB179.3020001@rewt.org.uk> References: <201304220300.r3M301iY093070@freefall.freebsd.org> <CAJ-Vmok7m9%2B3sky1swEP6ZTnZNLpkmwTC2tOqzGNaSFwY7WmFA@mail.gmail.com> <51753506.3070901@rewt.org.uk> <CAJ-VmomKi%2BpmZ6GAjds-=RXRET=aW65dsmxe3H4m%2BfdbxoecGw@mail.gmail.com> <CACVs6=8XdAgccufabeoXEXCFGGVZ_EWJ8c-KdRz4xr9SvBxrrw@mail.gmail.com> <EBE52100-4C0F-4B61-B872-CA30B99E2940@bsdimp.com> <CACVs6=8Hv5uF0zV=3%2BkZ=zsObSfQjiSY4t3op1EBytrunJdCGg@mail.gmail.com> <E13A6CE1-C0ED-420E-9BE4-28FA3EAD55EC@bsdimp.com> <5176FB36.2070809@rewt.org.uk> <163C6DC2-D817-4176-BE96-ACAA56BD8F87@bsdimp.com> <51781614.1060306@rewt.org.uk> <1D07B1F7-A91A-49F4-80C6-7696F457EC74@bsdimp.com> <51788F5B.2000905@rewt.org.uk> <517DB179.3020001@rewt.org.uk>
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Joe Holden wrote: > Joe Holden wrote: >> Warner Losh wrote: >>> On Apr 24, 2013, at 11:27 AM, Joe Holden wrote: >>> >>>> Warner Losh wrote: >>>>> On Apr 23, 2013, at 3:20 PM, Joe Holden wrote: >>>>>> Warner Losh wrote: >>>>>>> I just committed r249790 which makes everything match. >>>>>>> On Apr 22, 2013, at 2:29 PM, Juli Mallett wrote: >>>>>>>> On Mon, Apr 22, 2013 at 1:27 PM, Warner Losh <imp@bsdimp.com> >>>>>>>> wrote: >>>>>>>>> It sure looks like you are right... I have a full new tree >>>>>>>>> building just to make sure... :( >>>>>>>>> >>>>>>>>> Then again, it would be useful to document where these >>>>>>>>> dependencies lie to help prevent others from tripping over this >>>>>>>>> in the future :( >>>>>>>> We should use genassym to generate trapframe offsets instead of >>>>>>>> having >>>>>>>> hand-coded defines for these, perhaps? I haven't thought it >>>>>>>> through >>>>>>>> very fully, but that seems a lot better. >>>>>>> I'll look into this... >>>>>>> Warner >>>>>> I rebuilt just the kernel but the same problem persists - started >>>>>> building world and I'm seeing: >>>>>> >>>>>> /usr/src/gnu/usr.bin/gdb/kgdb/trgt_mips.c:122: error: 'struct >>>>>> trapframe' has no member named 't4' >>>>>> >>>>>> and so on, have just commented them out for now so it completes, >>>>>> may just be left overs from previous build - may be getting >>>>>> confused :) >>>>> You can just rebuild the kernel (I'll fix the kgdb stuff, I didn't >>>>> see that when I built the world for some reason). >>>>> Please try this patch to see if this fixes it. >>>>> Warner >>>> So far so good, boots into multiuser - will give it a thrashing and >>>> see if I can make it break :) >>> >>> Thanks Joe. I'll go ahead and commit it then and work on a longer >>> term solution. >>> >>> Warner >>> >> Excellent, still seeing trapframe panics under cpu load but it's at >> least usable! >> >> I'll let you get on with fiddling now :) >> >> Cheers > 12 hours into a buildworld and it's still good, looks like whatever > buliding nano does to upset it hasn't happened yet! > > Joe Succcess! :) Buildworld+kernel and a handful of ports succeeded (eventually), looks stable enough for day to day use now. Thanks all!
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