fix was included in 4.4.0-177.207 (xenial), 4.15.0-92.93 (bionic),
5.3.0-46.38 (eoan), 5.4.0-15.18 (focal)
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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https://
Patch has been backported to all stable kernel releases, e.g. 4.19:
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-4.19.y&id=1fac9f574cd2536abcdd645ee23d35c0e819d7ec
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The patch is merged upstream and will be in 5.6.
https://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm.git/commit/?h=dm-5.6&id=4feaef830de7ffdd8352e1fe14ad3bf13c9688f8
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/md?id=e9f8ca0ae7b7bc9a032b42992
Patch posted at
https://www.redhat.com/archives/dm-devel/2020-January/msg00021.html
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https://bugs.launchpad.net/bugs/1777398
Title:
dm thin block allocation failure
To manage notificat
We see this in 4.19.y when using scsi_mod.use_blk_mq=y . Marcus, are
you using blk-mq?
Jump in on this thread, or I can cc you if you send me an email:
https://lore.kernel.org/linux-block/20190925200138.ga20...@redhat.com/
-Eric
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** Tags added: cscc
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Title:
dm thin block allocation failure
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+so
Unfortunately still present in mainline 5.0.13 kernel:
[ cut here ]
kernel BUG at drivers/md/persistent-data/dm-space-map-disk.c:178!
invalid opcode: [#1] SMP PTI
CPU: 5 PID: 1675751 Comm: kworker/u128:1 Not tainted 5.0.13-050013-generic
#201905051330
Hardware name: Q
Currently testing 5.0.10 as we think the issue is related to thin trying
to reallocate a discarded block not working correctly
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/md?id=cffd425b90147296c627dfb13f7ea8f361d962b2
** Changed in: linux (Ubuntu)
Sta
Still present in 4.15.0-47-generic even though a number of dm/thin fixes
have been backported
kernel: [1120717.622665] Modules linked in: cpuid xt_CHECKSUM xt_nat
iptable_nat nf_nat_ipv4 dm_snapshot veth dummy bridge nf_conntrack_ipv6
nf_defrag_ipv6 ip6table_filter ip6_tables xt_CT iptable_raw i
[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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T
This issue is still present. Possibly fixed by upstream commit
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/md?id=a685557fbbc3122ed11e8ad3fa63a11ebc5de8c3
https://www.redhat.com/archives/dm-devel/2018-April/msg00022.html
kernel: [8860597.921484] kernel BUG at
[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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T
Hi Joseph,
sure, but running an rc- kernel is not ideal for production systems, so I can
only give this limited exposure on a few canary systems.
I hope we can find a way to deterministically trigger this, to confirm a fix.
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Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v4.17 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix t
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Title:
dm thin block allocation failure
To manage notifications about this
Also present in HWE kernel 4.15.0-23-generic #25~16.04.1-Ubuntu for
xenial
kernel: [450194.803852] [ cut here ]
kernel: [450194.803855] kernel BUG at
/build/linux-hwe-edge-ew4Cb4/linux-hwe-edge-4.15.0/drivers/md/persistent-data/dm-space-map-disk.c:178!
kernel: [450194.803
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