Date: Wed, 14 Mar 2018 11:39:12 -0600 From: Warner Losh <imp@bsdimp.com> To: Edward Napierala <trasz@freebsd.org> Cc: Steve Wills <swills@freebsd.org>, Daniel Braniss <danny@cs.huji.ac.il>, FreeBSD Current <current@freebsd.org> Subject: Re: devdmatch: Can't read linker file. Message-ID: <CANCZdfom-UKKrCENyCZRXo5tOogiQai2Ptb54Tswtw%2BWoL4FBQ@mail.gmail.com> In-Reply-To: <CAFLM3-rPwUz3PowGEQDoKY%2BZ-UXGJV2=SLvX2O8EnzfHdb7e-g@mail.gmail.com> References: <DA4F5B3C-56E1-4805-93CA-9E9DC8B9A03A@cs.huji.ac.il> <CANCZdfqNd07z5Uy2Tb1LqWhn7VTUDF_YpzR-k%2Bjz-8cRxZYqgw@mail.gmail.com> <20180313084010.GA13194@brick> <CANCZdfqa5-hKMgyovcumTukL5yB_3LYCB5yYX4EH5o2QeePG%2Bw@mail.gmail.com> <CAFLM3-rNToE_skk%2BqVD7XjYYBz-qaGSDT%2BZBcSeEYNWUGjjQ5g@mail.gmail.com> <6A1A6820-5A7E-410F-8C0F-F049CDBD9E4A@cs.huji.ac.il> <CANCZdfrbXWJVB9zkbB_coqj1OD4eW1Pt4xLU6OWBoCbj4ztk1w@mail.gmail.com> <4c4f2a9c-be75-29f1-3ec6-d1ac774b0015@FreeBSD.org> <CAFLM3-rPwUz3PowGEQDoKY%2BZ-UXGJV2=SLvX2O8EnzfHdb7e-g@mail.gmail.com>
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I wouldn't. It make read-only root a pain in the back side.... Better to fix kldxref to be a build tool that can cope. And it isn't something that needs to be done on every boot. On Wed, Mar 14, 2018 at 11:05 AM, Edward Napierala <trasz@freebsd.org> wrote: > Hm. Perhaps we should make kldxref_enable default to YES by default > on all platforms, then? The overhead is pretty much none when it has > nothing to do - it won't try to recreate the linker.hints if it already > exists. > > 2018-03-14 17:01 GMT+00:00 Steve Wills <swills@freebsd.org>: > >> FWIW, I ran into this issue on an i386 image I built from an amd64 host >> using poudriere and poudriere image. >> >> Steve >> >> >> On 03/13/2018 14:44, Warner Losh wrote: >> >>> Makes sense. I'd forgotten that kldxref can't do cross-platform stuff..= .. >>> One could arrange to build it targeting arch X but running on the nativ= e >>> host and fix things that way. Nobody has care enough to do that, though >>> perhaps this gives us a use case for why one might want to try. >>> >>> Warner >>> >>> On Tue, Mar 13, 2018 at 11:41 AM, Daniel Braniss <danny@cs.huji.ac.il> >>> wrote: >>> >>> >>>> >>>> On 13 Mar 2018, at 19:12, Edward Napierala <trasz@freebsd.org> wrote: >>>> >>>> I think it's only needed for kernels that are cross-built. That's due >>>> to >>>> kldxref(8) being unable to handle kernels for other architectures. >>>> >>>> my case exactly. >>>> >>>> 2018-03-13 13:34 GMT+00:00 Warner Losh <imp@bsdimp.com>: >>>> >>>> I wonder why that isn't the default, or why the linker.hints isn't at >>>>> least >>>>> created by the make installkernel step... >>>>> >>>>> Warner >>>>> >>>>> On Tue, Mar 13, 2018 at 2:40 AM, Edward Tomasz Napiera=C5=82a < >>>>> trasz@freebsd.org> >>>>> wrote: >>>>> >>>>> FWIW, it seems to be a common problem, see >>>>>> https://reviews.freebsd.org/ >>>>>> D14534. >>>>>> >>>>>> On 0312T1027, Warner Losh wrote: >>>>>> >>>>>>> Well, is there a /boot/kernel/linker.hints? >>>>>>> >>>>>>> Warner >>>>>>> >>>>>>> On Mon, Mar 12, 2018 at 9:56 AM, Daniel Braniss <danny@cs.huji.ac.i= l >>>>>>> > >>>>>>> >>>>>> wrote: >>>>>> >>>>>>> >>>>>>> Hi, >>>>>>>> the above i get on arm/nanopi-neo. (it=E2=80=99s the only platform= I run >>>>>>>> >>>>>>> current >>>>>> >>>>>>> :-) >>>>>>>> >>>>>>>> cheers, >>>>>>>> danny >>>>>>>> >>>>>>>> >>>>>>>> _______________________________________________ >>>>>>> freebsd-current@freebsd.org mailing list >>>>>>> https://lists.freebsd.org/mailman/listinfo/freebsd-current >>>>>>> To unsubscribe, send any mail to "freebsd-current-unsubscribe@ >>>>>>> >>>>>> freebsd.org" >>>>>> >>>>>> _______________________________________________ >>>>> freebsd-current@freebsd.org mailing list >>>>> https://lists.freebsd.org/mailman/listinfo/freebsd-current >>>>> To unsubscribe, send any mail to "freebsd-current-unsubscribe@f >>>>> reebsd.org >>>>> " >>>>> >>>>> >>>> >>>> >>>> _______________________________________________ >>> freebsd-current@freebsd.org mailing list >>> https://lists.freebsd.org/mailman/listinfo/freebsd-current >>> To unsubscribe, send any mail to "freebsd-current-unsubscribe@f >>> reebsd.org" >>> >>> >
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