** Patch added: "Patch from OpenZFS master branch"
https://github.com/openzfs/zfs/commit/30d581121bb122c90959658e7b28b1672d342897.patch
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** Patch added: "Patch for OpenZFS 2.1"
https://github.com/openzfs/zfs/commit/e49b10f57c770a03217e6537252c90550aadb538.patch
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Apparently the bug was not in block cloning, it was just exacerbated by
it. The issue affects older versions of ZFS as well, including 2.1.x.
That is why the upstream OpenZFS project has backported the patch to
2.1.x (Chad linked the PR above). Thus, linux-hwe-6.2 is affected.
** Also affects:
Also, I have to fully power off the laptop before booting again or else
the devices won't come back (rebooting alone doesn't work).
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https://bugs.launchpad.net/bugs/1766825
Attached more logs here. File contains dmesg for wifi crash, PCI device
list and USB device list. Search for === to find section separators.
** Attachment added: "dmesg, lspci, lsusb"
https://bugs.launchpad.net/dell-sputnik/+bug/1766825/+attachment/5206472/+files/combined.txt
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You
I am also experiencing that both bluetooth and wifi are missing after
setting mem_sleep to deep. My laptop also refuses to actually stay
asleep in s2idle, I can see the screen come back on after I close the
lid.
Ubuntu 18.04
Kernel 4.15.0-36-generic
XPS 9370
** Attachment added: "Firmware
I'm not seeing a -proposed kernel for linux-generic-hwe-16.04 or linux-
generic-hwe-16.04-edge, but would be happy to test one.
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https://bugs.launchpad.net/bugs/1763748
Confirmed that the updated perf binary doesn't crash with the cgroups
argument.
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https://bugs.launchpad.net/bugs/1769027
Title:
perf record crash: refcount_inc assertion
(setting to confirmed because this error isn't in the kernel logs)
** Description changed:
+ On linux-hwe-tools-4.13.0-39 in xenial:
+
Trying to run perf record ... --cgroup=mycgroup causes an immediate assertion
failure:
refcount_inc: Assertion `!(!refcount_inc_not_zero(r))' failed.
Confirmed I didn't get the error with your perf binary. However, I found
another bug and patch. I'll open another bug and tag you.
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https://bugs.launchpad.net/bugs/1767204
Public bug reported:
Trying to run perf record ... --cgroup=mycgroup causes an immediate assertion
failure:
refcount_inc: Assertion `!(!refcount_inc_not_zero(r))' failed.
Confirmed fixed by patching my linux-tools package with this upstream
commit (on top of the commit in bug #1767204):
apport information
** Attachment added: "WifiSyslog.txt"
https://bugs.launchpad.net/bugs/1553400/+attachment/4591312/+files/WifiSyslog.txt
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apport information
** Attachment added: "UdevLog.txt"
https://bugs.launchpad.net/bugs/1553400/+attachment/4591311/+files/UdevLog.txt
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apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1553400/+attachment/4591310/+files/UdevDb.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1553400/+attachment/4591307/+files/ProcModules.txt
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apport information
** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1553400/+attachment/4591303/+files/Lsusb.txt
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apport information
** Attachment added: "BootDmesg.txt"
https://bugs.launchpad.net/bugs/1553400/+attachment/4591298/+files/BootDmesg.txt
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apport information
** Attachment added: "ProcEnviron.txt"
https://bugs.launchpad.net/bugs/1553400/+attachment/4591305/+files/ProcEnviron.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1553400/+attachment/4591306/+files/ProcInterrupts.txt
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apport information
** Attachment added: "PulseList.txt"
https://bugs.launchpad.net/bugs/1553400/+attachment/4591308/+files/PulseList.txt
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apport information
** Attachment added: "RfKill.txt"
https://bugs.launchpad.net/bugs/1553400/+attachment/4591309/+files/RfKill.txt
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apport information
** Attachment added: "CRDA.txt"
https://bugs.launchpad.net/bugs/1553400/+attachment/4591299/+files/CRDA.txt
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https://bugs.launchpad.net/bugs/1553400
apport information
** Attachment added: "IwConfig.txt"
https://bugs.launchpad.net/bugs/1553400/+attachment/4591301/+files/IwConfig.txt
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apport information
** Attachment added: "ProcCpuinfo.txt"
https://bugs.launchpad.net/bugs/1553400/+attachment/4591304/+files/ProcCpuinfo.txt
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apport information
** Tags added: apport-collected
** Description changed:
Filesystem IO has started hanging when trying to access certain
directories. Relevant kernel oops below:
[12779.747913] BUG: unable to handle kernel NULL pointer dereference at
(null)
[12779.747961]
apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1553400/+attachment/4591300/+files/CurrentDmesg.txt
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apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1553400/+attachment/4591302/+files/Lspci.txt
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Test procedure:
In 3.16.0-57-generic:
$ sudo dd if=/dev/zero of=/lower/f1 bs=4096 count=55
55+0 records in
55+0 records out
225280 bytes (2.3 GB) copied, 4.00938 s, 562 MB/s
$ sudo mount -t overlayfs overlayfs -olowerdir=/lower,upperdir=/upper
/mnt/overlayfs
$ sudo chmod 666
Public bug reported:
There's simply a missing flag, which was fixed here:
https://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=0480334
The patch claims it requires kernel 3.18+, but the overlayfs code in
ubuntu's 3.16 kernel is already backported from later kernel
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