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It happens with 6.1-rc1. > > I booted latest -rc4 + tip/master and it is gone so something has > changed in the meantime or this particular version doesn't fire... > > Anyway, we thought you should know in case you want to dig deeper. > > Thx. > > cat /sys/kernel/debug/kmemleak > unreferenced object 0xffff888101a3d3a0 (size 32): > comm "swapper/0", pid 1, jiffies 4294892455 (age 294.968s) > hex dump (first 32 bytes): > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > backtrace: > [<000000002f5fe849>] __kmalloc_node+0x5f/0x180 > [<00000000066a1fb1>] amd_uncore_cpu_up_prepare+0xc7/0x240 > [<000000005fa7fab5>] cpuhp_invoke_callback+0xf8/0x460 > [<00000000d4b0952e>] cpuhp_issue_call+0x118/0x190 > [<000000008cb1592a>] __cpuhp_setup_state_cpuslocked+0xee/0x2a0 > [<0000000007534fa6>] __cpuhp_setup_state+0x76/0x100 > [<00000000d8277f50>] amd_uncore_init+0x275/0x336 > [<000000004af336cd>] do_one_initcall+0x44/0x200 > [<0000000040cb5caf>] kernel_init_freeable+0x198/0x1e4 > [<000000008b0e9fae>] kernel_init+0x16/0x120 > [<00000000459bcaeb>] ret_from_fork+0x22/0x30 > unreferenced object 0xffff888101a3d240 (size 32): I guess this should fix it: https://lore.kernel.org/all/4fa9e5ac6d6e41fa889101e7af7e6ba372cfea52.1662613255.git.sandipan.das@amd.com Thanks, Ravi