On 3/10/21 9:31 AM, Paolo Bonzini wrote: > On 10/03/21 15:58, Babu Moger wrote: >> There is no upstream version 4.9.258. > > Sure there is, check out > https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Fcdn.kernel.org%2Fpub%2Flinux%2Fkernel%2Fv4.x%2F&data=04%7C01%7Cbabu.moger%40amd.com%7Caeefc58416ed490faa7f08d8e3d99d72%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637509871127634618%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=re2Jj5P7IjN2UdmPTjTuKd1KIJLek84KlcnsXxgKYRc%3D&reserved=0 > > > The easiest way to do it is to bisect on the linux-4.9.y branch of > git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git. > Paolo, Thanks for pointing that out. Bisected linux-4.9.y branch. It is pointing at # git bisect good 59094faf3f618b2d2b2a45acb916437d611cede6 is the first bad commit commit 59094faf3f618b2d2b2a45acb916437d611cede6 Author: Borislav Petkov <bp@xxxxxxx> Date: Mon Dec 25 13:57:16 2017 +0100 x86/kaiser: Move feature detection up ... before the first use of kaiser_enabled as otherwise funky things happen: about to get started... (XEN) d0v0 Unhandled page fault fault/trap [#14, ec=0000] (XEN) Pagetable walk from ffff88022a449090: (XEN) L4[0x110] = 0000000229e0e067 0000000000001e0e (XEN) L3[0x008] = 0000000000000000 ffffffffffffffff (XEN) domain_crash_sync called from entry.S: fault at ffff82d08033fd08 entry.o#create_bounce_frame+0x135/0x14d (XEN) Domain 0 (vcpu#0) crashed on cpu#0: (XEN) ----[ Xen-4.9.1_02-3.21 x86_64 debug=n Not tainted ]---- (XEN) CPU: 0 (XEN) RIP: e033:[<ffffffff81007460>] (XEN) RFLAGS: 0000000000000286 EM: 1 CONTEXT: pv guest (d0v0) Signed-off-by: Borislav Petkov <bp@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> :040000 040000 e56bbc975c3fd1a774b6cc0d6699c0c24e66be1c e06231dccc8589b4baa0cd5759a37899b7ec71c1 M arch Not sure what is going on with this commit. Still looking.
