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SubjectLinux 4.14: Reported regressions as of Sunday, 2017-10-29
Hi! Find below my fourth regression report for Linux 4.14. It lists 6
regressions I'm currently aware of; for most of them fixes are in the
work. 4 regressions got fixed since last weeks report; 1 turned out to
not be a regression.

As always: Are you aware of any other regressions? Then please let me
know by mail (a simple bounce or forward in my direction is enough!).
For details see And please tell me if there
is anything in the report that shouldn't be there.

Ciao, Thorsten

P.S.: Sorry, was travelling to kernel summit, that's why there wasn't a
report last week

== Current regressions ==

New default s2idle does not work on Dell XPS 13 9360 with hynix 512GB
Status: Patch to blacklist the problematic machines up for testing
Note: appears to be related to NVMe (and specifically to the particular
Hynix 512G NVMe SSD in the reporter's machine); this seems to be a
regression in 4.13 that is exposed by a change in 4.14; judge yourself
if this should be in the list or not
Reported: 2017-09-11
Cause: e870c6c87cf9484090d28f2a68aa29e008960c93 (indirectly)

CIFS SMB2+ combined with pythons xattr.listxattr leads to "IOError:
[Errno 61]
Status: reporter was asked to provide additional details, but didn't
provide them yet (sorry, been busy)
Note: Disclaimer: A regression the regression tracker reported
Reported: 2017-09-26
Cause: 8dc5b3a6cb2f (assumed)

Ath10k disconnects
Status: revert planned:
Note: Only happens with some wifi routers; Disclaimer: A regression the
regression tracker reported
Reported: 2017-10-01
Cause: c9353bf483d3724c116a9d502c0ead9cec54a61a

Oops in nouveau_fbcon_set_suspend_work during boot or resume on some
Status: asked if fixes
this; if not then bisect needed
Reported: 2017-10-02

blk_partition_remap: fail for partition 3 on ARM board Odroid U3, with
root fs on eMMC
Status: told reporter to bring this to the list and CC the developers in
the suspected commit
Reported: 2017-10-17
Cause: 74d46992e0d9dee7f1f376de0d56d31614c8a17a (likey)

tun devices not working anymore in openvpn
Status: Fix in dave's tree already: 5c25f65fd1e42685f7ccd80e0621829c105785d9
Reported: 2017-10-28
Cause: 0ad646c81b2182f7fa67ec0c8c825e0ee165696d

== Going to get removed ==

Hikey620: it's easy to trigger a panic with "rcu_preempt detected stalls
on CPUs/tasks"
Status: "[…] this issue is quite likely related with CA53 errata,
especialy ERRATA_A53_855873 is the relative one. So I changed to use
ARM-TF mainline code with ERRATA fixing, this issue can be dismissed. […]
Cause: e3067861ba66

== Fixed since last report ==

networking doesn't work in opensuse 42.2 due to apparmor: add base
infastructure for socket mediation
Status: Fixed by a revert:
Reported: 2017-10-03
Cause: 651e28c5537abb39076d3949fb7618536f1d242e

WiFi stopped working with 4.14 (two report: a staging driver and iwlwifi)
Status: Fixed by a revert:
Reported: 2017-10-05
Cause: 651e28c5537abb39076d3949fb7618536f1d242e

Dramatic lockdep slowdown in 4.14
Status: fixed by a revert:
Reported: 2017-10-13
Cause: 28a903f63ec0

On first generation i486 processors it immediately resets the system
after the "Booting the kernel" message.
Status: Fixed by
Cause: 87e81786b13b267c4355e0d23e33c7e4c08fa63f

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