This issue started with the version 4.13 series. The last version that
did not have the issue is 4.11.0-14.
Mainline kernel version 4.17-rc4 also exhibits the issue.
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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** Package changed: linux-hwe-edge (Ubuntu) => linux (Ubuntu)
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Title:
With kernel 4.13 btrfs scans for devices before all devices
apport information
** Attachment added: "ProcCpuinfoMinimal.txt"
https://bugs.launchpad.net/bugs/1752961/+attachment/5134605/+files/ProcCpuinfoMinimal.txt
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apport information
** Attachment added: "UdevDb.txt"
https://bugs.launchpad.net/bugs/1752961/+attachment/5134608/+files/UdevDb.txt
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apport information
** Tags added: apport-collected apport-hook-error bionic
** Description changed:
See attached dmesg outputs for booting kernels 4.11.x (working) and
4.13.x (not working).
dmesg-4.11.0-14-good.txt shows the dmesg output when booting kernel 4.11.x.
btrfs scans for
apport information
** Attachment added: "CurrentDmesg.txt"
https://bugs.launchpad.net/bugs/1752961/+attachment/5134599/+files/CurrentDmesg.txt
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apport information
** Attachment added: "HookError_generic.txt"
https://bugs.launchpad.net/bugs/1752961/+attachment/5134600/+files/HookError_generic.txt
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apport information
** Attachment added: "HookError_source_linux.txt"
https://bugs.launchpad.net/bugs/1752961/+attachment/5134601/+files/HookError_source_linux.txt
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apport information
** Attachment added: "Lsusb.txt"
https://bugs.launchpad.net/bugs/1752961/+attachment/5134603/+files/Lsusb.txt
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apport information
** Attachment added: "Lspci.txt"
https://bugs.launchpad.net/bugs/1752961/+attachment/5134602/+files/Lspci.txt
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apport information
** Attachment added: "ProcInterrupts.txt"
https://bugs.launchpad.net/bugs/1752961/+attachment/5134606/+files/ProcInterrupts.txt
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** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1752961
Title:
With kernel 4.13 btrfs scans for devices before all
apport information
** Attachment added: "PciMultimedia.txt"
https://bugs.launchpad.net/bugs/1752961/+attachment/5134604/+files/PciMultimedia.txt
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apport information
** Attachment added: "ProcModules.txt"
https://bugs.launchpad.net/bugs/1752961/+attachment/5134607/+files/ProcModules.txt
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1b044f1 does NOT have the bug.
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https://bugs.launchpad.net/bugs/1752961
Title:
With kernel 4.13 btrfs scans for devices before all devices have been
discovered
Status
cbcd4f0 has the bug.
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Title:
With kernel 4.13 btrfs scans for devices before all devices have been
discovered
Status in linux
v4.12 Final works. v4.13-rc1 does not.
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Title:
With kernel 4.13 btrfs scans for devices before all devices have been
discovered
FWIW, v4.12.14 also works.
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Title:
With kernel 4.13 btrfs scans for devices before all devices have been
discovered
Status in
I guess it's less ambiguous to say that e5f76a2 has the bug.
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Title:
With kernel 4.13 btrfs scans for devices before all devices
e5f76a2e0e84ca2a215ecbf6feae88780d055c56 (4.12.0-041200.201805301435)
does not work.
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Title:
With kernel 4.13 btrfs scans for
1849f80 has the bug.
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Title:
With kernel 4.13 btrfs scans for devices before all devices have been
discovered
Status in linux
4422d80 does NOT have the bug.
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Title:
With kernel 4.13 btrfs scans for devices before all devices have been
discovered
Status
cbf4b38 does NOT have the bug.
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Title:
With kernel 4.13 btrfs scans for devices before all devices have been
discovered
Status
44c891a does NOT have the bug.
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Title:
With kernel 4.13 btrfs scans for devices before all devices have been
discovered
Status
c94dc34 does NOT have the bug.
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Title:
With kernel 4.13 btrfs scans for devices before all devices have been
discovered
Status
Any new build to test?
This issue is still present in 4.15.0-30.
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Title:
With kernel 4.13 btrfs scans for devices before all
6836796 does NOT have the bug.
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Title:
With kernel 4.13 btrfs scans for devices before all devices have been
discovered
Status
362f672 has the bug.
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Title:
With kernel 4.13 btrfs scans for devices before all devices have been
discovered
Status in linux
It looks like 4.18 does not have the issue.
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Title:
With kernel 4.13 btrfs scans for devices before all devices have been
Both 4.15.18 and 4.17.17 have the bug.
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Title:
With kernel 4.13 btrfs scans for devices before all devices have been
discovered
878c33a does NOT have the bug.
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Title:
With kernel 4.13 btrfs scans for devices before all devices have been
discovered
Status
1c8c5a9 has the bug.
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Title:
With kernel 4.13 btrfs scans for devices before all devices have been
discovered
Status in linux
0cf9f50 does NOT have the bug.
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Title:
With kernel 4.13 btrfs scans for devices before all devices have been
discovered
Status
409acdd does NOT have the bug.
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Title:
With kernel 4.13 btrfs scans for devices before all devices have been
discovered
Status
24040a5 does NOT have the bug.
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Title:
With kernel 4.13 btrfs scans for devices before all devices have been
discovered
Status
The packages appear to still be the build from 10/01.
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Title:
With kernel 4.13 btrfs scans for devices before all devices have been
6a8b25a has the bug.
I also tried 4.18.0-10.11 from cosmic, and it appears to still have the
bug. :(
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Title:
With kernel 4.13
Agreed. 68cc38f has the bug.
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Title:
With kernel 4.13 btrfs scans for devices before all devices have been
discovered
Status in
It looks like I made a mistake on a previous build. I retested d60dafd,
built on 20180911, and it actually does have the bug. Sorry!
(Being an apparent race condition, a buggy kernel actually does work
sometimes.)
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18f1837 has the bug.
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Title:
With kernel 4.13 btrfs scans for devices before all devices have been
discovered
Status in linux
fdea70d has the bug.
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Title:
With kernel 4.13 btrfs scans for devices before all devices have been
discovered
Status in linux
Both 4.18-rc1 and 4.18-rc4 do NOT have the bug.
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Title:
With kernel 4.13 btrfs scans for devices before all devices have been
d60dafd does NOT have the bug.
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Title:
With kernel 4.13 btrfs scans for devices before all devices have been
discovered
Status
I retested the last 2 builds from the original bisection, and I'm pretty
confident that the results were correct:
362f672 has the bug.
6836796 does NOT have the bug.
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v4.17 final has the bug.
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Title:
With kernel 4.13 btrfs scans for devices before all devices have been
discovered
Status in
Mainline 4.20-rc2 has the bug.
I went back and tested mainline 4.18-rc1 and mainline 4.18 a few more
times, and they actually do have the bug. So it appears that the bug is
not fixed upstream after all.
Shall we go back to bisecting for the change that introduced the bug?
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