[Bug 1747069] Re: artful 4.13 i386 kernels crash after memory hotplug remove

This bug was fixed in the package linux - 4.13.0-36.40 --- linux (4.13.0-36.40) artful; urgency=medium * linux: 4.13.0-36.40 -proposed tracker (LP: #1750010) * Rebuild without "CVE-2017-5754 ARM64 KPTI fixes" patch set linux (4.13.0-35.39) artful; urgency=medium * linux:

[Bug 1747069] Re: artful 4.13 i386 kernels crash after memory hotplug remove

Ran the tests against the i386 -proposed kernel, cannot reproduce the issue with the fixed kernel. Also ran the ADT tests and could not reproduce the issue (and these run the memory hotplug tests too). Tested, and verified. ** Tags removed: verification-needed-artful ** Tags added:

[Bug 1747069] Re: artful 4.13 i386 kernels crash after memory hotplug remove

This bug is awaiting verification that the kernel in -proposed solves the problem. Please test the kernel and update this bug with the results. If the problem is solved, change the tag 'verification-needed- artful' to 'verification-done-artful'. If the problem still exists, change the tag

[Bug 1747069] Re: artful 4.13 i386 kernels crash after memory hotplug remove

** Description changed: - It seems all of the artful 4.13 are crashing on i386 install when memory - hotplug removal is attempted. This crash occurs a few seconds after the - removal. I have done a gross bisect back to the first 4.13.0-11 which - is also affected. + == SRU Request, Artful == +

[Bug 1747069] Re: artful 4.13 i386 kernels crash after memory hotplug remove

Ignore my above comments. I bisected this again using a more reliable reproducer and found the first bad commit to be: f1dd2cd13c4bbbc9a7c4617b3b034fa643de98fe is the first bad commit commit f1dd2cd13c4bbbc9a7c4617b3b034fa643de98fe Author: Michal Hocko Date: Thu Jul 6 15:38:11

[Bug 1747069] Re: artful 4.13 i386 kernels crash after memory hotplug remove

Requires backports of commits: a86d69d58aad561b6bbb44e60f74c41cd4b5f3ab ed067d4a859ff696373324c5061392e013a7561a f7f99100d8d95dbcf09e0216a143211e79418b9f a4a3ede2132ae0863e2d43e06f9b5697c51a7a3b ea1f5f3712afe895dfa4176ec87376b4a9ac23be -- You received this bug notification because you are a

[Bug 1747069] Re: artful 4.13 i386 kernels crash after memory hotplug remove

Fixed in 4.14 with: f7f99100d8d95dbcf09e0216a143211e79418b9f is the first bad commit commit f7f99100d8d95dbcf09e0216a143211e79418b9f Author: Pavel Tatashin Date: Wed Nov 15 17:36:44 2017 -0800 mm: stop zeroing memory during allocation in vmemmap -- You

[Bug 1747069] Re: artful 4.13 i386 kernels crash after memory hotplug remove

Bisected, bad commit: b3c6858fb172512f63838523ae7817ae8adec564 - this is a merge and contains a lot of misc changes across the tree that may have broken this. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.