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SubjectLinux 4.11: Reported regressions as of Friday, 2017-04-21
Hi! Find below my fourth regression report for Linux 4.11. It lists 10
regressions I'm currently aware of. 7 regressions mentioned in last
weeks report got fixed.

As always: Are you aware of any other regressions? Then please let me
know (simply CC And please tell me if there
is anything in the report that shouldn't be there.

Ciao, Thorsten

P.S.: Thx to all those that CCed me on regression reports or provided
other input, it makes compiling these reports a whole lot easier!

== Current regressions ==

Desc: Client system gets spammed with 'NFSv4 Callback' kthreads - eventually causing NFS shares to become unresponsive
Repo: 2017-04-17
Stat: n/a
Note: quite new, needs to get forwarded to the network people

Desc: boot problems when virtio-scsi is used
Repo: 2017-04-19
Stat: 2017-04-20
Note: patch heading mainline

Desc: unable to handle kernel NULL pointer dereference, mtip_irq_handler+0x262/0x3c0 [mtip32xx]
Repo: 2017-04-12
Stat: n/a
Note: not entirely clear if this is a regression, but bhelgaas is looking into it

Desc: tytso: systemd doesn't see most devices
Repo: 2017-04-11
Stat: 2017-04-12
Note: heisenbug?

Desc: crash since 617f01211baf ("8139too: use napi_complete_done()")
Repo: 2017-04-07
Stat: 2017-04-08
Note: there is a patch in that thread, but it afaics is not heading mainline and the discussion stalled

Desc: Busy softirq can cause userspace not to be scheduled
Repo: 2017-03-28
Stat: 2017-04-20
Note: Frederic: "working on reproducing that one"

Desc: Commit d8514d8edb5b ("ovl: copy up regular file using O_TMPFILE") breaks ubifs
Repo: 2017-03-28
Stat: 2017-04-17
Note: Patch hopefully heading upstream soon

Desc: pine64 defconfig: WARNING: CPU: 0 PID: 86 at drivers/base/dd.c:349 driver_probe_device+0x258/0x2c0
Repo: 2017-03-25
Stat: 2017-04-18
Note: André doesnt have a clue and needs someone with insights devm and devres; seems to be gone in -next

Desc: NVMe APST: Samsung NVMe sudden controller death
Repo: 2017-03-18
Stat: 2017-04-20
Note: blacklist update heading mainline

Desc: Perf regression after enabling nvme APST
Repo: 2017-03-17
Stat: 2017-04-20
Note: stalled

== Stalled, waiting for feedback from reporter ==

Desc: kvm: workqueue lockup
Repo: 2017-03-14
Stat: 2017-03-27
Note: asked reporter if issue still present in RC4

Desc: general protection fault: inet6_fill_ifaddr+0x6c/0x230
Repo: 2017-03-11
Stat: 2017-03-13
Note: Cong Wang asked reporter for details, didn't get any reply yet

Desc: 4.11 PowerMac G5 970MP: [drm:.r600_ring_test [radeon]] *ERROR* radeon: ring 0 test failed (scratch(0x8504)=0xCAFEDEAD
Repo: 2017-03-24
Stat: n/a
Note: stalled; looks like reporter (who does not see the problem in 4.10) could need some help bisecting

== Going to be removed from the list ==

Desc: i915 gpu hangs under load (2)
Repo: 2017-03-22
Stat: 2017-04-07
Note: Andrea saw issues and sent some patches that were discussed; some were applied, others discussed, but then the discussion stalled; I assume it's fixed, as Andrea knows how all this works

Desc: Warning since RC4: sed_opal:OPAL: Error on step function: 0 with error -95: Unknown Error
Repo: 2017-04-07
Stat: 2017-04-07
Note: Applied for 4.12

== Fixed since last report ==

Desc: i915 gpu hangs under load (1)
Repo: 2017-03-22
Stat: 2017-04-10
Note: Fixed, according to Chris and the reporter (sorry for getting this wrong in the last report, that bug trail was hard to follow from the outside)

Desc: Problems since 5b52330bbfe6 "audit: fix auditd/kernel connection state tracking"
Repo: 2017-04-09

Desc: Synaptics RMI4 touchpad regression in 4.11-rc1: pointer jumps
Repo: 2017-03-11

Desc: Synaptics RMI4 touchpad regression in 4.11-rc1: palm detection
Repo: 2017-03-11

Desc: "Synaptics Touch Digitizer V04" no longer working
Repo: 2017-04-08

Desc: networking/softirq performance regression due to a part of 374ad05ab64d
Repo: 2017-03-29

Desc: 07ec51480b5e ("virtio_pci: use shared interrupts for virtqueues") causes some kworker grief in -rt too
Repo: 2017-03-27

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