Jaron Kent-Dobias <ja...@kent-dobias.com> wrote:
> On Monday, 3 April 2023 at 08:58 (+0000), u...@net9.ga wrote:
> >I haven't tried all the 6.2.*. Only some of the earliest, and some of
> >the latest. v6.2.9, at this time. I could build the earliest v6.1.*.
> >And also v6.1.12. Which is arch latest v6.1.*, doesn't it? I got what
> >looks to me a similar issue with v6.1.7, if I remember correctly. As of
> >v6.2.7 and v6.2.9, I get:
> >
> > $ cat -n linux-6.2.9.arch1-1-x86_64-build.log | tail
> > 19288 AR arch/x86/video/built-in.a
> > 19289 AR built-in.a
> > 19290 AR vmlinux.a
> > 19291 LD vmlinux.o
> > 19292 vmlinux.o: warning: objtool: hyperv_init+0x42f: unreachable
> > instruction
> > 19293 make[1]: *** Deleting file 'vmlinux.o'
> > 19294 make[1]: *** [scripts/Makefile.vmlinux_o:61: vmlinux.o]
> > Interrupt
> > 19295 make: *** [Makefile:1245: vmlinux_o] Interrupt
> > 19296
> > 19297 ==> ERROR: Aborted by user! Exiting...
> >
> >After it stalled for a long time at line #19291, or at line #19292, I
> >interrupted it, ^c, manually. I forgot to look at the resource usage
> >before interrupting v6.2.9 build. For some of the prevoius versions it
> >happend, I saw the LD proccess consumed almost all of the machine free
> >memory. And also a lot of swap. Which happend right at the LD
> >operation, not before. It is only a desktop, Only 4G RAM.
>
> Have you modified the config at all? If you have, seeing the modified
> config would be helpful.
I have tried v6.2.9 with default arch config.
In the past, I used a trimmed down configuration. And got a similar issue
starting with some of v6.1.* arch source. With earlier v6.1.*, and before,
I always could built arch linux source with my trimmed down configuration.
In fact, I was surprised I could built 6.1.12. With my trimmed down
configuration, if I remember correctly.
>
> A very sure way to use a lot of memory (well over 4G) at linking is if
> you have enabled LTO in the kernel config. Perhaps this is the culprit?
>
Default arch config. No LTO, as far as I can tell.
$ grep LTO config
CONFIG_ARCH_SUPPORTS_LTO_CLANG=y
CONFIG_ARCH_SUPPORTS_LTO_CLANG_THIN=y
CONFIG_LTO_NONE=y
CONFIG_HID_WALTOP=m
> Jaron
--
u34
