As bionic already ships a v4.15 kernel, this should be fixed in bionic.
Can you verify?
** Also affects: linux (Ubuntu Xenial)
** Changed in: linux (Ubuntu Bionic)
Status: Triaged => Fix Released
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Matching subscriptions: Ubuntu 16.04 Bugs
[bug] [BDX]Ubuntu 16.04.3 with kernel
"4.10.0-32-generic_4.10.0-32.36~16.04.1_amd64" hang if set "Cores
Enabled" to 2 for both CPU
Status in intel:
Status in linux package in Ubuntu:
Status in linux source package in Xenial:
Status in linux source package in Artful:
Status in linux source package in Bionic:
Customer report a Ubuntu kernel issue related to Intel BDX Core numbers
Ubuntu 16.04.3 with kernel "4.10.0-32-generic_4.10.0-32.36~16.04.1_amd64"
hang if set "Cores Enabled" to 2 for both CPU.
We have reproduced this issue on 17.10 release.
With latest kernel, this issue disappears.
now we bisect this issue is fixed by commit 947134d9b00f
(“x86/smpboot: Do not use smp_num_siblings in __max_logical_packages
calculation”) which was merged in v4.15-rc4.
But after applying this commit to Ubuntu 16.04.3 kernel v4.13 code
base or Linux upstream mainline kernel v4.13 code base, this issue
Target Release: 16.04 / 17.10
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