buildworld: lib/libc: install: short write to libc.so.7.debug: [_libinstall] Error code 71

[Dimitry Andric]

On 22 Nov 2020, at 08:06, Graham Perrin <grahamperrin at gmail.com> wrote:
> 
> On 20/11/2020 09:57, Graham Perrin wrote:
>> On 16/11/2020 09:27, Graham Perrin wrote:
>>> Attempting to build r367615 on Friday 13th:
>>> 
>>> …
>>> 
>>> ===> lib/libprocstat/zfs (install)
>>> install -U  -C -o root -g wheel -m 444 /usr/src/lib/libprocstat/libprocstat.h /usr/obj/usr/src/amd64.amd64/tmp/usr/include/
>>> ===> lib/libc (obj,all,install)
>>> install -U  -C -o root -g wheel -m 444   libc.a /usr/obj/usr/src/amd64.amd64/tmp/usr/lib/
>>> install -U  -s -o root -g wheel -m 444   -S  libc.so.7 /usr/obj/usr/src/amd64.amd64/tmp/lib/
>>> install -U  -o root -g wheel -m 444    libc.so.7.debug /usr/obj/usr/src/amd64.amd64/tmp/usr/lib/debug/lib/
>>> install: short write to /usr/obj/usr/src/amd64.amd64/tmp/usr/lib/debug/lib/libc.so.7.debug: 393216 bytes written, 7462472 bytes asked to write
>>> *** [_libinstall] Error code 71
>>> 
>>> make[4]: stopped in /usr/src/lib/libc
>>> 1 error
>>> 
>>> make[4]: stopped in /usr/src/lib/libc
>>> root at mowa219-gjp4-8570p:/usr/src #
>> 
>> The same problem – short write to /usr/obj/usr/src/amd64.amd64/tmp/usr/lib/debug/lib/libc.so.7.debug – when attempting buildworld of r367847.
>> 
>> If it's relevant: I'm using r367081 for these attempts.
> 
> The same problem when attempting buildworld of r367923. Prior to this I performed a fresh checkout of /usr/src
> 
> What might cause these failures?
> 
> If it's relevant: I have compression set to gzip-9 for the ZFS dataset that mounts at /usr

I'd guess it's an unintended side-effect of
https://svnweb.freebsd.org/base?view=revision&revision=366697
("install(1): Avoid unncessary fstatfs() calls and use mmap() based on
size").

If you only revert usr.bin/xinstall to r366696, and then rebuild it,
does it still occur?

-Dimitry

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