I wonder if this is related but cpio on impish arm64 seems broken. All
my kernel builds on impish fail when cpio is invoked. In a hirsute arm64
chroot:
(hirsute-arm64)ubuntu@seidel:~$ find foo/ -print | cpio -pd
--preserve-modification-time
$(pwd)/0000000000111111111122222222223333333333444444444455555555556666666666777777777788888888889999999999
22511 blocks
(hirsute-arm64)ubuntu@seidel:~$ pull-lp-debs cpio impish
Found cpio 2.13+dfsg-4ubuntu1 in impish
Downloading cpio_2.13+dfsg-4ubuntu1_arm64.deb from ports.ubuntu.com (0.078 MiB)
Downloading cpio-win32_2.13+dfsg-4ubuntu1_all.deb from launchpadlibrarian.net
(0.077 MiB)
$ sudo dpkg -i cpio_2.13+dfsg-4ubuntu1_arm64.deb
(Reading database ... 15849 files and directories currently installed.)
Preparing to unpack cpio_2.13+dfsg-4ubuntu1_arm64.deb ...
Unpacking cpio (2.13+dfsg-4ubuntu1) over (2.13+dfsg-4) ...
Setting up cpio (2.13+dfsg-4ubuntu1) ...
(hirsute-arm64)ubuntu@seidel:~$ rm -rf
0000000000111111111122222222223333333333444444444455555555556666666666777777777788888888889999999999/
(hirsute-arm64)ubuntu@seidel:~$ find foo/ -print | cpio -pd
--preserve-modification-time
$(pwd)/0000000000111111111122222222223333333333444444444455555555556666666666777777777788888888889999999999
cpio: e: Cannot stat: No such file or directory
cpio: oe/autoload.sh: Cannot stat: No such file or directory
cpio: e-analyzer/Makefile: Cannot stat: No such file or directory
cpio: i/mvm/Makefile: Cannot stat: No such file or directory
cpio: ile: Cannot stat: No such file or directory
cpio: /Kconfig: Cannot stat: No such file or directory
cpio: stmem: Cannot stat: No such file or directory
cpio: blank line ignored
cpio: blank line ignored
cpio: h: Cannot stat: No such file or directory
cpio: e-build.sh: Cannot stat: No such file or directory
cpio: /forwarding/ip6gre_inner_v4_multipath.sh: Cannot stat: No such file or
directory
cpio: ers/net/mlxsw/router_scale.sh: Cannot stat: No such file or directory
22470 blocks
That's exactly the type of error I'm seeing when trying to build a
kernel in an impish chroot. cpio seems to choke on the long directory
name:
(hirsute-arm64)ubuntu@seidel:~$ rm -rf
0000000000111111111122222222223333333333444444444455555555556666666666777777777788888888889999999999/
(hirsute-arm64)ubuntu@seidel:~$ find foo/ -print | cpio -pd
--preserve-modification-time
$(pwd)/00000000001111111111222222222233333333334444444444
22511 blocks
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https://bugs.launchpad.net/bugs/1939379
Title:
ARM kernel builds fail with GCC 11
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