@hws @michael.holzheu @schwidefsky
It seems like schwidefsky updated s390 config upstream in v4.12 to
remove -CONFIG_DEBUG_FS=y for the zfcpdump_defconfig. Meaning any Linux
on Z systems using v4.12+ default zfcpdump_defconfig from upstream linux
source tree will get a bad configuration. It seems counter productive to
ask all downstreams to patch for this config issue.
Are you going to get in touch with schwidefsky to re-introduce
CONFIG_DEBUG_FS=y in the zfcpdump_defconfig and get it applied in the
stable trees too?
Also, i believe zfcpdump-kernel that we currently ship does have debugfs
enabled. Are you using zfcpdump-kernel as provided in ubuntu? But we
will note and will explicitely enable CONFIG_DEBUG_FS=y when we refress
zfcpdump-kernel with v4.13+.
Regards,
Dimitri.
** Changed in: zfcpdump-kernel (Ubuntu Artful)
Status: Triaged => Incomplete
** Changed in: linux (Ubuntu Artful)
Status: Triaged => Incomplete
** Changed in: ubuntu-z-systems
Status: Triaged => Incomplete
** No longer affects: zfcpdump-kernel (Ubuntu Artful)
** No longer affects: linux (Ubuntu Artful)
** Also affects: linux-hwe (Ubuntu)
Importance: Undecided
Status: New
** Changed in: linux-hwe (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1719290
Title:
CONFIG_DEBUG_FS is not enabled by "make zfcpdump_defconfig" with
Ubuntu 17.10 (kernel 4.13)
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