Did the verification for the kernel (linux-generic) like above and based
on representative kernel modules (arch-specific and common):
noble:
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 24.04 LTS
Release: 24.04
Codename: noble
$ uname -a
Linux P10d-LPAR06 6.8.0-41-generic #41-Ubuntu SMP Fri Aug 2 21:00:36 UTC 2024
ppc64le ppc64le ppc64le GNU/Linux
$ sudo unzstd
/usr/lib/debug/lib/modules/6.8.0-41-generic/kernel/arch/powerpc/crypto/aes-gcm-p10-crypto.ko.zst
/usr/lib/debug/lib/modules/6.8.0-41-generic/kernel/arch/powerpc/crypto/aes-gcm-p10-crypto.ko.zst:
338761 bytes
$ readelf -wi
/usr/lib/debug/lib/modules/6.8.0-41-generic/kernel/arch/powerpc/crypto/aes-gcm-p10-crypto.ko
| grep DW_AT_produce | grep -c mbackchain
0
$ readelf -wi
/usr/lib/debug/lib/modules/6.8.0-41-generic/kernel/arch/powerpc/crypto/aes-gcm-p10-crypto.ko
| grep DW_AT_produce | grep -c no-omit-frame-pointer
0
$ sudo unzstd
/usr/lib/debug/lib/modules/6.8.0-41-generic/kernel/fs//nfs/nfsv4.ko.zst
/usr/lib/debug/lib/modules/6.8.0-41-generic/kernel/fs//nfs/nfsv4.ko.zst:
18009201 bytes
$ readelf -wi
/usr/lib/debug/lib/modules/6.8.0-41-generic/kernel/fs//nfs/nfsv4.ko | grep
DW_AT_produce | grep -c mbackchain
0
$ readelf -wi
/usr/lib/debug/lib/modules/6.8.0-41-generic/kernel/fs//nfs/nfsv4.ko | grep
DW_AT_produce | grep -c no-omit-frame-pointer
0
oracular:
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu Oracular Oriole (development branch)
Release: 24.10
Codename: oracular
$ uname -a
Linux P10d-LPAR06 6.11.0-4-generic #4-Ubuntu SMP Tue Aug 20 14:54:18 UTC 2024
ppc64le ppc64le ppc64le GNU/Linux
$ sudo unzstd
/usr/lib/debug/lib/modules/6.11.0-4-generic/kernel/arch/powerpc/crypto/aes-gcm-p10-crypto.ko.zst
/usr/lib/debug/lib/modules/6.11.0-4-generic/kernel/arch/powerpc/crypto/aes-gcm-p10-crypto.ko.zst:
354129 bytes
$ readelf -wi
/usr/lib/debug/lib/modules/6.11.0-4-generic/kernel/arch/powerpc/crypto/aes-gcm-p10-crypto.ko
| grep DW_AT_produce | grep -c mbackchain
0
$ readelf -wi
/usr/lib/debug/lib/modules/6.11.0-4-generic/kernel/arch/powerpc/crypto/aes-gcm-p10-crypto.ko
| grep DW_AT_produce | grep -c no-omit-frame-pointer
0
$ sudo unzstd
/usr/lib/debug/lib/modules/6.11.0-4-generic/kernel/fs/nfs/nfsv4.ko.zst
/usr/lib/debug/lib/modules/6.11.0-4-generic/kernel/fs/nfs/nfsv4.ko.zst:
19618441 bytes
$ readelf -wi
/usr/lib/debug/lib/modules/6.11.0-4-generic/kernel/fs/nfs/nfsv4.ko | grep
DW_AT_produce | grep -c mbackchain
0
$ readelf -wi
/usr/lib/debug/lib/modules/6.11.0-4-generic/kernel/fs/nfs/nfsv4.ko | grep
DW_AT_produce | grep -c no-omit-frame-pointer
0
(Btw. the negative test for mbackchain was done by intention, since this
needs to be set for s390x, but for s390x only. The changes were done at
the same time, verifying here, that is was really not set for ppc64el.)
Like one can see "-no-omit-frame-pointer" (and 'mbackchain') is not set,
hence successful verified.
Closing the affected 'linux (Ubuntu)' as 'Fix Released' - and with that
the project entry as well.
** Changed in: linux (Ubuntu Noble)
Status: New => Fix Released
** Changed in: linux (Ubuntu Oracular)
Status: New => Fix Released
** Changed in: ubuntu-power-systems
Status: New => Fix Released
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/2064539
Title:
Revert back frame pointers for ppc64el (remove -fno-omit-frame-
pointer)
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