Re: devdmatch: Can't read linker file.

[Edward Napierala]

While making kldxref(8) crossarch-capable would be the best solution,
it's also the most time consuming.  The kldxref rc script doesn't do
anything
if the linker.hints file already exists, so it shouldn't be much of a
problem.


2018-03-14 17:39 GMT+00:00 Warner Losh :

> 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 
> 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 :
>>
>>> 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 native
 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 
 wrote:


>
> On 13 Mar 2018, at 19:12, Edward Napierala  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 :
>
> 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 Napierała <
>> tr...@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 <
 da...@cs.huji.ac.il>

>>> wrote:
>>>

 Hi,
> the above i get on arm/nanopi-neo. (it’s the only platform I run
>
 current
>>>
 :-)
>
> cheers,
>  danny
>
>
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Re: devdmatch: Can't read linker file.

[Warner Losh]

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 
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 :
>
>> 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 native
>>> 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 
>>> wrote:
>>>
>>>

 On 13 Mar 2018, at 19:12, Edward Napierala  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 :

 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 Napierała <
> tr...@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 >> >
>>>
>> wrote:
>>
>>>
>>> Hi,
 the above i get on arm/nanopi-neo. (it’s the only platform I run

>>> current
>>
>>> :-)

 cheers,
  danny


 ___
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Re: devdmatch: Can't read linker file.

[Edward Napierala]

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 :

> 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 native
>> 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 
>> wrote:
>>
>>
>>>
>>> On 13 Mar 2018, at 19:12, Edward Napierala  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 :
>>>
>>> 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 Napierała <
 tr...@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 
>>
> wrote:
>
>>
>> Hi,
>>> the above i get on arm/nanopi-neo. (it’s 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"
>
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 "


>>>
>>>
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Re: devdmatch: Can't read linker file.

[Steve Wills]

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 native
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 
wrote:




On 13 Mar 2018, at 19:12, Edward Napierala  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 :


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 Napierała <
tr...@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 

wrote:



Hi,
the above i get on arm/nanopi-neo. (it’s the only platform I run

current

:-)

cheers,
 danny



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Re: devdmatch: Can't read linker file.

[Warner Losh]

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 native
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 
wrote:

>
>
> On 13 Mar 2018, at 19:12, Edward Napierala  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 :
>
>> 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 Napierała <
>> tr...@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 
>> > wrote:
>> > >
>> > > > Hi,
>> > > > the above i get on arm/nanopi-neo. (it’s 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"
>> >
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>> "
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>
>
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Re: devdmatch: Can't read linker file.

[Daniel Braniss]

> On 13 Mar 2018, at 19:12, Edward Napierala  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  >:
> 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 Napierała  >
> 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  > > >
> > wrote:
> > >
> > > > Hi,
> > > > the above i get on arm/nanopi-neo. (it’s 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 "
> >
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Re: devdmatch: Can't read linker file.

[Edward Napierala]

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.

2018-03-13 13:34 GMT+00:00 Warner Losh :

> 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 Napierała <
> tr...@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 
> > wrote:
> > >
> > > > Hi,
> > > > the above i get on arm/nanopi-neo. (it’s 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"
> >
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Re: devdmatch: Can't read linker file.

[Warner Losh]

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 Napierała 
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 
> wrote:
> >
> > > Hi,
> > > the above i get on arm/nanopi-neo. (it’s the only platform I run
> current
> > > :-)
> > >
> > > cheers,
> > > danny
> > >
> > >
> > ___
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> > https://lists.freebsd.org/mailman/listinfo/freebsd-current
> > To unsubscribe, send any mail to "freebsd-current-unsubscribe@
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Re: devdmatch: Can't read linker file.

[Edward Tomasz Napierała]

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  wrote:
> 
> > Hi,
> > the above i get on arm/nanopi-neo. (it’s the only platform I run current
> > :-)
> >
> > cheers,
> > danny
> >
> >
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Re: devdmatch: Can't read linker file.

[Daniel Braniss]

> On 12 Mar 2018, at 18:27, Warner Losh  wrote:
> 
> Well, is there a /boot/kernel/linker.hints?
> 
no, but that was enough to do a grep and the run kldxref.

thanks,
danny
PS: just remembered: reach out and grep someone

> Warner
> 
> On Mon, Mar 12, 2018 at 9:56 AM, Daniel Braniss  > wrote:
> Hi,
> the above i get on arm/nanopi-neo. (it’s the only platform I run current :-)
> 
> cheers,
> danny
> 
> 

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Re: devdmatch: Can't read linker file.

[Warner Losh]

Well, is there a /boot/kernel/linker.hints?

Warner

On Mon, Mar 12, 2018 at 9:56 AM, Daniel Braniss  wrote:

> Hi,
> the above i get on arm/nanopi-neo. (it’s the only platform I run current
> :-)
>
> cheers,
> danny
>
>
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devdmatch: Can't read linker file.

[Daniel Braniss]

Hi,
the above i get on arm/nanopi-neo. (it’s the only platform I run current :-)

cheers,
danny

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