** Changed in: zfs-linux (Debian)
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1916486
Title:
zfs_zrele_async can cause txg sync deadlocks
This bug was fixed in the package zfs-linux - 0.6.5.6-0ubuntu29
---
zfs-linux (0.6.5.6-0ubuntu29) xenial; urgency=medium
* Fix race condition in zfs_iput_async (LP: #1916486)
- Upstream ZFS fix 43eaef6de817 ("Fix zrele race in zrele_async that can
cause hang")
-- Heitor
This bug was fixed in the package zfs-linux - 0.7.5-1ubuntu16.11
---
zfs-linux (0.7.5-1ubuntu16.11) bionic; urgency=medium
* Fix race condition in zfs_iput_async (LP: #1916486)
- Upstream ZFS fix 43eaef6de817 ("Fix zrele race in zrele_async that can
cause hang")
--
This bug was fixed in the package zfs-linux - 0.8.3-1ubuntu12.7
---
zfs-linux (0.8.3-1ubuntu12.7) focal; urgency=medium
* Fix race condition in zfs_iput_async (LP: #1916486)
- Upstream ZFS fix 43eaef6de817 ("Fix zrele race in zrele_async that can
cause hang")
-- Heitor
This bug was fixed in the package zfs-linux - 0.8.4-1ubuntu11.2
---
zfs-linux (0.8.4-1ubuntu11.2) groovy; urgency=medium
* Fix race condition in zfs_iput_async (LP: #1916486)
- Upstream ZFS fix 43eaef6de817 ("Fix zrele race in zrele_async that can
cause hang")
-- Heitor
There's a build failure for zfs-linux on riscv64/focal, but that should
be safe to ignore for this patch. The riscv64 builds seem to have failed
since they were enabled in 0.8.3-1ubuntu11, and are related to an
"Unsupported ISA type" error in the libspl header files. It's likely
that we're missing
Verified for Xenial, using the ZFS test suite. I don't think Xenial
ships zfs-test, so I pulled it from upstream and ran it against the DKMS
drivers. No new regressions were reported.
ubuntu@z-rotomvm27:~$ dpkg -l | grep zfs-dkms
ii zfs-dkms 0.6.5.6-0ubuntu29
Verified for Groovy, through the ZFS test suite. No new regressions were
reported.
ubuntu@racah:/usr/share/zfs$ dpkg -l | grep zfs-dkms
ii zfs-dkms 0.8.4-1ubuntu11.2
all OpenZFS filesystem kernel modules for Linux
** Tags added:
Verified for Focal, through the ZFS test suite. No new regressions were
reported.
ubuntu@z-rotomvm29:/usr/share/zfs$ dpkg -l | rg zfs-dkms
ii zfs-dkms 0.8.3-1ubuntu12.7
all OpenZFS filesystem kernel modules for Linux
** Tags added:
Verified for Bionic, through the ZFS test suite. No new regressions were
reported, and results of the test suite are the same as for the previous
version.
ubuntu@z-rotomvm28:/usr/share/zfs$ dpkg -l |grep zfs-dkms
ii zfs-dkms 0.7.5-1ubuntu16.11
Hello Heitor, or anyone else affected,
Accepted zfs-linux into groovy-proposed. The package will build now and
be available at https://launchpad.net/ubuntu/+source/zfs-
linux/0.8.4-1ubuntu11.2 in a few hours, and then in the -proposed
repository.
Please help us by testing this new package. See
FYI, I've sponsored these and uploaded, now waiting in -proposed. I
also tested these patches on and AMD64 VM using the more exhaustive
kernel team ZFS tests suite and they passed.
--
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Packages, which is subscribed to
** Description changed:
[Impact]
TXG sync stalls, causing ZFS workloads to hang indefinitely
[Description]
For certain ZFS workloads, we can see hung task timeouts in the kernel logs
due to a transaction group deadlock. Userspace process will hang and display
stack traces similar to
** Patch added: "lp1916486-xenial.debdiff"
https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1916486/+attachment/5471918/+files/lp1916486-xenial.debdiff
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** Patch added: "lp1916486-groovy.debdiff"
https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1916486/+attachment/5471921/+files/lp1916486-groovy.debdiff
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to zfs-linux in Ubuntu.
** Patch added: "lp1916486-focal.debdiff"
https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1916486/+attachment/5471920/+files/lp1916486-focal.debdiff
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to zfs-linux in Ubuntu.
** Patch added: "lp1916486-bionic.debdiff"
https://bugs.launchpad.net/ubuntu/+source/zfs-linux/+bug/1916486/+attachment/5471919/+files/lp1916486-bionic.debdiff
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Packages, which is subscribed to zfs-linux in Ubuntu.
https://bugs.launchpad.net/bugs/1916486
Title:
zfs_zrele_async can cause txg sync deadlocks
Status in zfs-linux package in Ubuntu:
Fix Released
Status in zfs-linux
** Changed in: zfs-linux (Debian)
Status: Unknown => New
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to zfs-linux in Ubuntu.
https://bugs.launchpad.net/bugs/1916486
Title:
zfs_zrele_async can cause txg sync deadlocks
Status in
** Merge proposal linked:
https://code.launchpad.net/~halves/ubuntu/+source/zfs-linux/+git/zfs-linux/+merge/398738
** Merge proposal linked:
https://code.launchpad.net/~halves/ubuntu/+source/zfs-linux/+git/zfs-linux/+merge/398740
** Merge proposal linked:
** Changed in: zfs-linux (Ubuntu Hirsute)
Status: In Progress => Fix Released
** Changed in: zfs-linux (Ubuntu Hirsute)
Assignee: Heitor Alves de Siqueira (halves) => (unassigned)
** Description changed:
[Impact]
TXG sync stalls, causing ZFS workloads to hang indefinitely
** Changed in: zfs-linux (Ubuntu Bionic)
Status: New => In Progress
** Changed in: zfs-linux (Ubuntu Xenial)
Status: New => In Progress
** Changed in: zfs-linux (Ubuntu Focal)
Status: New => In Progress
** Changed in: zfs-linux (Ubuntu Groovy)
Status: New => In
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