[Bug 209733] Starting new KVM virtual machines on PPC64 starts to hang after box is up for a while
https://bugzilla.kernel.org/show_bug.cgi?id=209733 Cameron (c...@neo-zeon.de) changed: What|Removed |Added Component|PPC-64 |kvm Version|2.5 |unspecified Product|Platform Specific/Hardware |Virtualization -- You are receiving this mail because: You are watching the assignee of the bug.
[Bug 209733] Starting new KVM virtual machines on PPC64 starts to hang after box is up for a while
https://bugzilla.kernel.org/show_bug.cgi?id=209733 --- Comment #1 from Cameron (c...@neo-zeon.de) --- Still happens with 5.9.2. -- You are receiving this mail because: You are watching the assignee of the bug.
[Bug 209733] Starting new KVM virtual machines on PPC64 starts to hang after box is up for a while
https://bugzilla.kernel.org/show_bug.cgi?id=209733 --- Comment #2 from Cameron (c...@neo-zeon.de) --- Verified this happens with 5.9.6 and and Debian vendor kernel of linux-image-5.9.0-1-powerpc64le. Might also be worth mentioning this is occurring with qemu-system-ppc package version 1:3.1+dfsg-8+deb10u8. -- You are receiving this mail because: You are watching the assignee of the bug.
[Bug 209733] Starting new KVM virtual machines on PPC64 starts to hang after box is up for a while
https://bugzilla.kernel.org/show_bug.cgi?id=209733 --- Comment #3 from Cameron (c...@neo-zeon.de) --- Same issue now that I'm running with qemu-system-ppc version 1:5.0-14~bpo10+1 from Debian backports. -- You are receiving this mail because: You are watching the assignee of the bug.
[Bug 209733] Starting new KVM virtual machines on PPC64 starts to hang after box is up for a while
https://bugzilla.kernel.org/show_bug.cgi?id=209733 --- Comment #4 from Cameron (c...@neo-zeon.de) --- After enough testing, I feel confident that this issue was fixed in 5.9.9. However, I encountered issues with XFS with 5.9.9 and 5.9.10 (mainly on POWER, but to a lesser extent they seemed to happen for me on amd64 at least). 5.9.11 has the weird hang fixed and no other issues (XFS or otherwise) in over 2 days! I feel confident in closing this issue. -- You are receiving this mail because: You are watching the assignee of the bug.
[Bug 209733] Starting new KVM virtual machines on PPC64 starts to hang after box is up for a while
https://bugzilla.kernel.org/show_bug.cgi?id=209733 Cameron (c...@neo-zeon.de) changed: What|Removed |Added Status|NEW |RESOLVED Resolution|--- |CODE_FIX -- You are receiving this mail because: You are watching the assignee of the bug.
[Bug 209733] Starting new KVM virtual machines on PPC64 starts to hang after box is up for a while
https://bugzilla.kernel.org/show_bug.cgi?id=209733
Michael Ellerman (mich...@ellerman.id.au) changed:
What|Removed |Added
CC||mich...@ellerman.id.au
--- Comment #5 from Michael Ellerman (mich...@ellerman.id.au) ---
Thanks for persisting with the testing.
I wonder if it was fixed by:
c4629e4e7e09 ("mm/compaction: stop isolation if too many pages are isolated and
we have pages to migrate")
or
38935861d85a ("mm/compaction: count pages and stop correctly during page
isolation")
They fix a potential infinte loop in a path that's used by the HTAB allocation.
Those landed in v5.9.9, and fix a commit that was introduced in v5.7 (which
doesn't match your observation that v5.7.x was OK).
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[Bug 209733] Starting new KVM virtual machines on PPC64 starts to hang after box is up for a while
https://bugzilla.kernel.org/show_bug.cgi?id=209733
Michael Ellerman (mich...@ellerman.id.au) changed:
What|Removed |Added
Status|RESOLVED|CLOSED
--- Comment #6 from Michael Ellerman (mich...@ellerman.id.au) ---
Nick pointed out that it was actually:
2da9f6305f30 ("mm/vmscan: fix NR_ISOLATED_FILE corruption on 64-bit")
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