Date: Wed, 28 Aug 2013 13:07:07 +0100 From: Joe Holden <lists@rewt.org.uk> To: freebsd-mips@freebsd.org Subject: Re: Hang after usb on EdgeRouter Lite Message-ID: <521DE7EB.2020800@rewt.org.uk> In-Reply-To: <1376869486.1201.6.camel@revolution.hippie.lan> References: <520CC2DC.4060702@rewt.org.uk> <CAJ-VmokVaJkrSedij=G2fnv-d03Hj6H_ED1N_TKOc4EWLGo2qQ@mail.gmail.com> <10d401ce9a06$c5016f90$4f044eb0$@rewt.org.uk> <CAJ-Vmok-k75Agk7F4%2BCqkq%2BfH3qJcpac8LLyJgGpZSJ758x4RQ@mail.gmail.com> <111501ce9a14$b41f59e0$1c5e0da0$@rewt.org.uk> <CAJ-Vmoni38tSAfxh068Z7Mcoa=uB%2BjLymOo63_UbJjjOFpAKMg@mail.gmail.com> <520DE94E.5050200@rewt.org.uk> <CAJ-Vmom9uCUgOF-XxFSqCsn_YN6iy-Jx-MVjF37YTXbjOKxX4g@mail.gmail.com> <19BE644B-D2A4-42D2-B983-50E90F3D3F8D@bsdimp.com> <149701ce9c3f$7659ea80$630dbf80$@rewt.org.uk> <CAJ-VmonHE_Gb7A50=Coi=HVPDN8KZZpQxUc2ey=Unk1525GOig@mail.gmail.com> <14bb01ce9c51$c3152530$493f6f90$@rewt.org.uk> <14c801ce9c53$6f19bf20$4d4d3d60$@rewt.org.uk> <14de01ce9c5a$91bc75c0$b5356140$@rewt.org.uk> <CAJ-VmomoVLkvun-xZhAmvnMjDOPHk4exTOSZLJtMhPjTBo6U3A@mail.gmail.com> <CACVs6=9cNTn5VpVLzR8rqwUH71Ux9HYS%2BcQH-2jYPMAYu=T9Hw@mail.gmail.com> <1376869486.1201.6.camel@revolution.hippie.lan>
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ok so, just built new HEAD with DDB, WITNESS etc to get a backtrace but alas, now it's booting fine... who unbroke it? :) On 19/08/2013 00:44, Ian Lepore wrote: > Olivier made some changes to unbreak the arm stuff right after that > commit. Given that some of the mips code evolved from the arm code, > maybe there are clues in what he did for arm. > > -- Ian > > On Sun, 2013-08-18 at 15:18 -0700, Juli Mallett wrote: >> I looked at that change recently, and it changed how kstacks are allocated >> at least, and while it should have preserved the right alignment behaviour, >> I'm wondering now if there may be some subtler problem in the change there >> now. There were other changes that could be implicated as part of that >> commit, but that's the bit that immediately set off some alarm for me, >> because I know MIPS is an unusual case in that regard. (Requiring kstacks >> to fill up a whole double-TLB entry.) >> >> Thanks for tracking this down, and I'm hopeful that Jeff will have some >> insight. Thanks to Adrian for following up with him. >> >> Juli. >> >> >> On Sun, Aug 18, 2013 at 3:01 PM, Adrian Chadd <adrian@freebsd.org> wrote: >> >>> Ok. I just replied to Jeff's commit and CC'ed you. >>> >>> Let's see if we can work with Jeff to figure out why the hell it broke and >>> get it fixed up before 10.0-REL is cut. >>> >>> Would you please file a PR with all the relevant information that you've >>> found? >>> >>> Thanks! >>> >>> >>> >>> -adrian >>> >>> >>> On 18 August 2013 14:33, Joe Holden <lists@rewt.org.uk> wrote: >>> >>>> Ok so r254025 is definitely the commit that broke it (both SMP *and* >>> USB) - >>>> looks like the commit is quite involved so won't be particularly easy to >>>> unbreak just mips (at least for me) :( >>>> >>>>> -----Original Message----- >>>>> From: owner-freebsd-mips@freebsd.org [mailto:owner-freebsd- >>>>> mips@freebsd.org] On Behalf Of Joe Holden >>>>> Sent: 18 August 2013 21:42 >>>>> To: 'Adrian Chadd' >>>>> Cc: freebsd-mips@freebsd.org >>>>> Subject: RE: Hang after usb on EdgeRouter Lite >>>>> >>>>> ... and it boot with the second core disabled (usb still broken >>> though) - >>>>> something has gone horribly wrong :P >>>>> >>>>>> -----Original Message----- >>>>>> From: owner-freebsd-mips@freebsd.org [mailto:owner-freebsd- >>>>>> mips@freebsd.org] On Behalf Of Joe Holden >>>>>> Sent: 18 August 2013 21:30 >>>>>> To: 'Adrian Chadd' >>>>>> Cc: freebsd-mips@freebsd.org >>>>>> Subject: RE: Hang after usb on EdgeRouter Lite >>>>>> >>>>>> Sigh. it's actually getting worse - r254025 hangs after ULE setup. >>>>>> >>>>>> >>>>>> >>>>>> This may take longer than I first thought >>>>>> >>>>>> >>>>>> >>>>>> From: adrian.chadd@gmail.com [mailto:adrian.chadd@gmail.com] On >>>>> Behalf >>>>>> Of Adrian Chadd >>>>>> Sent: 18 August 2013 20:27 >>>>>> To: Joe Holden >>>>>> Cc: Warner Losh; freebsd-mips@freebsd.org >>>>>> Subject: Re: Hang after usb on EdgeRouter Lite >>>>>> >>>>>> >>>>>> >>>>>> .. you can just disable those for now. You're debugging USB hangs, >>> not >>>>>> bootp/nfs compile problems. :0 >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> -adiran >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> On 18 August 2013 11:19, Joe Holden <lists@rewt.org.uk >>>>>> <mailto:lists@rewt.org.uk> > wrote: >>>>>> >>>>>> None yet - getting compilation problems when building with BOOTP and >>>>>> NFS root (undefined references) >>>>>> >>>>>> >>>>>>> -----Original Message----- >>>>>>> From: Warner Losh [mailto:wlosh@bsdimp.com >>>>>> <mailto:wlosh@bsdimp.com> ] >>>>>>> On >>>>>> Behalf Of Warner Losh >>>>>>> Sent: 18 August 2013 07:41 >>>>>>> To: Adrian Chadd >>>>>>> Cc: Joe Holden; freebsd-mips@freebsd.org >>>>>>> <mailto:freebsd-mips@freebsd.org> >>>>>> >>>>>>> Subject: Re: Hang after usb on EdgeRouter Lite >>>>>>> >>>>>>> >>>>>> >>>>>>> On Aug 16, 2013, at 12:12 PM, Adrian Chadd wrote: >>>>>>>> On 16 August 2013 01:56, Joe Holden <lists@rewt.org.uk >>>>>> <mailto:lists@rewt.org.uk> > wrote: >>>>>>>>> Not getting much closer but so far 253367 works, 253845 and >>> later >>>>>>>>> don't, I can't see any mips-specific changes that might break it >>>>>>>>> but I >>>>>> may >>>>>>> be wrong! >>>>>>>> >>>>>>>> Plenty of non-MIPS stuff does break MIPS. :) >>>>>>> >>>>>>> Any new news? >>>>>>> >>>>>>> Warner >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> _______________________________________________ >>>>>> freebsd-mips@freebsd.org mailing list >>>>>> http://lists.freebsd.org/mailman/listinfo/freebsd-mips >>>>>> To unsubscribe, send any mail to " >>> freebsd-mips-unsubscribe@freebsd.org >>>> " >>>>> >>>>> >>>>> _______________________________________________ >>>>> freebsd-mips@freebsd.org mailing list >>>>> http://lists.freebsd.org/mailman/listinfo/freebsd-mips >>>>> To unsubscribe, send any mail to "freebsd-mips-unsubscribe@freebsd.org >>> " >>>> >>>> >>>> >>> _______________________________________________ >>> freebsd-mips@freebsd.org mailing list >>> http://lists.freebsd.org/mailman/listinfo/freebsd-mips >>> To unsubscribe, send any mail to "freebsd-mips-unsubscribe@freebsd.org" >>> >> _______________________________________________ >> freebsd-mips@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-mips >> To unsubscribe, send any mail to "freebsd-mips-unsubscribe@freebsd.org" > > > _______________________________________________ > freebsd-mips@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-mips > To unsubscribe, send any mail to "freebsd-mips-unsubscribe@freebsd.org" >
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