https://bugzilla.kernel.org/show_bug.cgi?id=199471
--- Comment #20 from Dennis Clarke (dcla...@blastwave.org) --- Possibly unrelated but there appears to be a small memory leak within windfarm_* somewhere given that I see traffic in kmemleak : enceladus# enceladus# uname -a Linux enceladus 5.7.0-rc2 #1 SMP Tue Apr 21 23:32:43 UTC 2020 ppc64 GNU/Linux enceladus# lsmod | grep 'farm' windfarm_cpufreq_clamp 4640 1 windfarm_smu_sensors 9548 1 windfarm_smu_controls 9078 8 windfarm_pm112 15935 0 windfarm_pid 4378 1 windfarm_pm112 windfarm_smu_sat 9802 9 windfarm_pm112 windfarm_max6690_sensor 5434 1 windfarm_lm75_sensor 6148 1 windfarm_core 16619 7 windfarm_cpufreq_clamp,windfarm_smu_controls,windfarm_max6690_sensor,windfarm_smu_sat,windfarm_smu_sensors,windfarm_lm75_sensor,windfarm_pm112 enceladus# enceladus# cat /sys/kernel/debug/kmemleak unreferenced object 0xc00000000867a6a0 (size 32): comm "kwindfarm", pid 175, jiffies 4294894706 (age 1843.540s) hex dump (first 32 bytes): c8 06 02 7f ff 02 ff 01 fb bf 00 59 00 20 00 00 ...........Y. .. 00 07 89 37 00 a0 00 00 6b 6b 6b 6b 6b 6b 6b a5 ...7....kkkkkkk. backtrace: [<00000000fce2b937>] .smu_sat_get_sdb_partition+0x150/0x2f0 [windfarm_smu_sat] [<00000000e6cc23fc>] .pm112_wf_notify+0x624/0x1460 [windfarm_pm112] [<000000008cdab940>] .notifier_call_chain+0x88/0xf0 [<000000008f026422>] .__blocking_notifier_call_chain+0x6c/0xc0 [<0000000045480c67>] .wf_thread_func+0xe4/0x1e0 [windfarm_core] [<0000000079c8bd6f>] .kthread+0x1b8/0x1d0 [<0000000073e2b812>] .ret_from_kernel_thread+0x58/0x74 unreferenced object 0xc0000002612a15a0 (size 16): comm "kwindfarm", pid 175, jiffies 4294894926 (age 1842.660s) hex dump (first 16 bytes): c4 04 01 7f a0 12 20 5f ff 55 b8 14 7b 12 00 00 ...... _.U..{... backtrace: [<00000000fce2b937>] .smu_sat_get_sdb_partition+0x150/0x2f0 [windfarm_smu_sat] [<0000000050e586af>] .pm112_wf_notify+0x66c/0x1460 [windfarm_pm112] [<000000008cdab940>] .notifier_call_chain+0x88/0xf0 [<000000008f026422>] .__blocking_notifier_call_chain+0x6c/0xc0 [<0000000045480c67>] .wf_thread_func+0xe4/0x1e0 [windfarm_core] [<0000000079c8bd6f>] .kthread+0x1b8/0x1d0 [<0000000073e2b812>] .ret_from_kernel_thread+0x58/0x74 unreferenced object 0xc00000000867ba20 (size 32): comm "kwindfarm", pid 175, jiffies 4294895089 (age 1842.008s) hex dump (first 32 bytes): c9 06 02 7f ff 02 ff 01 fb bf 00 59 00 20 00 00 ...........Y. .. 00 07 89 37 00 a0 00 00 6b 6b 6b 6b 6b 6b 6b a5 ...7....kkkkkkk. backtrace: [<00000000fce2b937>] .smu_sat_get_sdb_partition+0x150/0x2f0 [windfarm_smu_sat] [<00000000e6cc23fc>] .pm112_wf_notify+0x624/0x1460 [windfarm_pm112] [<000000008cdab940>] .notifier_call_chain+0x88/0xf0 [<000000008f026422>] .__blocking_notifier_call_chain+0x6c/0xc0 [<0000000045480c67>] .wf_thread_func+0xe4/0x1e0 [windfarm_core] [<0000000079c8bd6f>] .kthread+0x1b8/0x1d0 [<0000000073e2b812>] .ret_from_kernel_thread+0x58/0x74 unreferenced object 0xc0000000061a8740 (size 16): comm "kwindfarm", pid 175, jiffies 4294895309 (age 1841.128s) hex dump (first 16 bytes): c5 04 01 7f a0 12 20 5f ff 55 29 14 7b 12 00 00 ...... _.U).{... backtrace: [<00000000fce2b937>] .smu_sat_get_sdb_partition+0x150/0x2f0 [windfarm_smu_sat] [<0000000050e586af>] .pm112_wf_notify+0x66c/0x1460 [windfarm_pm112] [<000000008cdab940>] .notifier_call_chain+0x88/0xf0 [<000000008f026422>] .__blocking_notifier_call_chain+0x6c/0xc0 [<0000000045480c67>] .wf_thread_func+0xe4/0x1e0 [windfarm_core] [<0000000079c8bd6f>] .kthread+0x1b8/0x1d0 [<0000000073e2b812>] .ret_from_kernel_thread+0x58/0x74 unreferenced object 0xc0000000061ab6e0 (size 32): comm "kwindfarm", pid 175, jiffies 4294895473 (age 1840.472s) hex dump (first 32 bytes): c8 06 02 7f ff 02 ff 01 fb bf 00 59 00 20 00 00 ...........Y. .. 00 07 89 37 00 a0 00 00 6b 6b 6b 6b 6b 6b 6b a5 ...7....kkkkkkk. backtrace: [<00000000fce2b937>] .smu_sat_get_sdb_partition+0x150/0x2f0 [windfarm_smu_sat] [<00000000e6cc23fc>] .pm112_wf_notify+0x624/0x1460 [windfarm_pm112] [<000000008cdab940>] .notifier_call_chain+0x88/0xf0 [<000000008f026422>] .__blocking_notifier_call_chain+0x6c/0xc0 [<0000000045480c67>] .wf_thread_func+0xe4/0x1e0 [windfarm_core] [<0000000079c8bd6f>] .kthread+0x1b8/0x1d0 [<0000000073e2b812>] .ret_from_kernel_thread+0x58/0x74 unreferenced object 0xc0000000061a8b90 (size 16): comm "kwindfarm", pid 175, jiffies 4294895693 (age 1839.600s) hex dump (first 16 bytes): c4 04 01 7f a0 12 20 5f ff 55 b8 14 7b 12 00 00 ...... _.U..{... backtrace: [<00000000fce2b937>] .smu_sat_get_sdb_partition+0x150/0x2f0 [windfarm_smu_sat] [<0000000050e586af>] .pm112_wf_notify+0x66c/0x1460 [windfarm_pm112] [<000000008cdab940>] .notifier_call_chain+0x88/0xf0 [<000000008f026422>] .__blocking_notifier_call_chain+0x6c/0xc0 [<0000000045480c67>] .wf_thread_func+0xe4/0x1e0 [windfarm_core] [<0000000079c8bd6f>] .kthread+0x1b8/0x1d0 [<0000000073e2b812>] .ret_from_kernel_thread+0x58/0x74 unreferenced object 0xc0000000061aa9e0 (size 32): comm "kwindfarm", pid 175, jiffies 4294895857 (age 1838.944s) hex dump (first 32 bytes): c9 06 02 7f ff 02 ff 01 fb bf 00 59 00 20 00 00 ...........Y. .. 00 07 89 37 00 a0 00 00 6b 6b 6b 6b 6b 6b 6b a5 ...7....kkkkkkk. backtrace: [<00000000fce2b937>] .smu_sat_get_sdb_partition+0x150/0x2f0 [windfarm_smu_sat] [<00000000e6cc23fc>] .pm112_wf_notify+0x624/0x1460 [windfarm_pm112] [<000000008cdab940>] .notifier_call_chain+0x88/0xf0 [<000000008f026422>] .__blocking_notifier_call_chain+0x6c/0xc0 [<0000000045480c67>] .wf_thread_func+0xe4/0x1e0 [windfarm_core] [<0000000079c8bd6f>] .kthread+0x1b8/0x1d0 [<0000000073e2b812>] .ret_from_kernel_thread+0x58/0x74 unreferenced object 0xc00000025aacd2c0 (size 16): comm "kwindfarm", pid 175, jiffies 4294896076 (age 1838.068s) hex dump (first 16 bytes): c5 04 01 7f a0 12 20 5f ff 55 d7 15 7b 12 00 00 ...... _.U..{... backtrace: [<00000000fce2b937>] .smu_sat_get_sdb_partition+0x150/0x2f0 [windfarm_smu_sat] [<0000000050e586af>] .pm112_wf_notify+0x66c/0x1460 [windfarm_pm112] [<000000008cdab940>] .notifier_call_chain+0x88/0xf0 [<000000008f026422>] .__blocking_notifier_call_chain+0x6c/0xc0 [<0000000045480c67>] .wf_thread_func+0xe4/0x1e0 [windfarm_core] [<0000000079c8bd6f>] .kthread+0x1b8/0x1d0 [<0000000073e2b812>] .ret_from_kernel_thread+0x58/0x74 enceladus# enceladus# cat /sys/kernel/debug/kmemleak unreferenced object 0xc00000000867a6a0 (size 32): comm "kwindfarm", pid 175, jiffies 4294894706 (age 4736.636s) hex dump (first 32 bytes): c8 06 02 7f ff 02 ff 01 fb bf 00 59 00 20 00 00 ...........Y. .. 00 07 89 37 00 a0 00 00 6b 6b 6b 6b 6b 6b 6b a5 ...7....kkkkkkk. backtrace: [<00000000fce2b937>] .smu_sat_get_sdb_partition+0x150/0x2f0 [windfarm_smu_sat] [<00000000e6cc23fc>] .pm112_wf_notify+0x624/0x1460 [windfarm_pm112] [<000000008cdab940>] .notifier_call_chain+0x88/0xf0 [<000000008f026422>] .__blocking_notifier_call_chain+0x6c/0xc0 [<0000000045480c67>] .wf_thread_func+0xe4/0x1e0 [windfarm_core] [<0000000079c8bd6f>] .kthread+0x1b8/0x1d0 [<0000000073e2b812>] .ret_from_kernel_thread+0x58/0x74 unreferenced object 0xc0000002612a15a0 (size 16): comm "kwindfarm", pid 175, jiffies 4294894926 (age 4735.756s) hex dump (first 16 bytes): c4 04 01 7f a0 12 20 5f ff 55 b8 14 7b 12 00 00 ...... _.U..{... backtrace: [<00000000fce2b937>] .smu_sat_get_sdb_partition+0x150/0x2f0 [windfarm_smu_sat] [<0000000050e586af>] .pm112_wf_notify+0x66c/0x1460 [windfarm_pm112] [<000000008cdab940>] .notifier_call_chain+0x88/0xf0 [<000000008f026422>] .__blocking_notifier_call_chain+0x6c/0xc0 [<0000000045480c67>] .wf_thread_func+0xe4/0x1e0 [windfarm_core] [<0000000079c8bd6f>] .kthread+0x1b8/0x1d0 [<0000000073e2b812>] .ret_from_kernel_thread+0x58/0x74 unreferenced object 0xc00000000867ba20 (size 32): comm "kwindfarm", pid 175, jiffies 4294895089 (age 4735.104s) hex dump (first 32 bytes): c9 06 02 7f ff 02 ff 01 fb bf 00 59 00 20 00 00 ...........Y. .. 00 07 89 37 00 a0 00 00 6b 6b 6b 6b 6b 6b 6b a5 ...7....kkkkkkk. backtrace: [<00000000fce2b937>] .smu_sat_get_sdb_partition+0x150/0x2f0 [windfarm_smu_sat] [<00000000e6cc23fc>] .pm112_wf_notify+0x624/0x1460 [windfarm_pm112] [<000000008cdab940>] .notifier_call_chain+0x88/0xf0 [<000000008f026422>] .__blocking_notifier_call_chain+0x6c/0xc0 [<0000000045480c67>] .wf_thread_func+0xe4/0x1e0 [windfarm_core] [<0000000079c8bd6f>] .kthread+0x1b8/0x1d0 [<0000000073e2b812>] .ret_from_kernel_thread+0x58/0x74 unreferenced object 0xc0000000061a8740 (size 16): comm "kwindfarm", pid 175, jiffies 4294895309 (age 4734.224s) hex dump (first 16 bytes): c5 04 01 7f a0 12 20 5f ff 55 29 14 7b 12 00 00 ...... _.U).{... backtrace: [<00000000fce2b937>] .smu_sat_get_sdb_partition+0x150/0x2f0 [windfarm_smu_sat] [<0000000050e586af>] .pm112_wf_notify+0x66c/0x1460 [windfarm_pm112] [<000000008cdab940>] .notifier_call_chain+0x88/0xf0 [<000000008f026422>] .__blocking_notifier_call_chain+0x6c/0xc0 [<0000000045480c67>] .wf_thread_func+0xe4/0x1e0 [windfarm_core] [<0000000079c8bd6f>] .kthread+0x1b8/0x1d0 [<0000000073e2b812>] .ret_from_kernel_thread+0x58/0x74 unreferenced object 0xc0000000061ab6e0 (size 32): comm "kwindfarm", pid 175, jiffies 4294895473 (age 4733.568s) hex dump (first 32 bytes): c8 06 02 7f ff 02 ff 01 fb bf 00 59 00 20 00 00 ...........Y. .. 00 07 89 37 00 a0 00 00 6b 6b 6b 6b 6b 6b 6b a5 ...7....kkkkkkk. backtrace: [<00000000fce2b937>] .smu_sat_get_sdb_partition+0x150/0x2f0 [windfarm_smu_sat] [<00000000e6cc23fc>] .pm112_wf_notify+0x624/0x1460 [windfarm_pm112] [<000000008cdab940>] .notifier_call_chain+0x88/0xf0 [<000000008f026422>] .__blocking_notifier_call_chain+0x6c/0xc0 [<0000000045480c67>] .wf_thread_func+0xe4/0x1e0 [windfarm_core] [<0000000079c8bd6f>] .kthread+0x1b8/0x1d0 [<0000000073e2b812>] .ret_from_kernel_thread+0x58/0x74 unreferenced object 0xc0000000061a8b90 (size 16): comm "kwindfarm", pid 175, jiffies 4294895693 (age 4732.696s) hex dump (first 16 bytes): c4 04 01 7f a0 12 20 5f ff 55 b8 14 7b 12 00 00 ...... _.U..{... backtrace: [<00000000fce2b937>] .smu_sat_get_sdb_partition+0x150/0x2f0 [windfarm_smu_sat] [<0000000050e586af>] .pm112_wf_notify+0x66c/0x1460 [windfarm_pm112] [<000000008cdab940>] .notifier_call_chain+0x88/0xf0 [<000000008f026422>] .__blocking_notifier_call_chain+0x6c/0xc0 [<0000000045480c67>] .wf_thread_func+0xe4/0x1e0 [windfarm_core] [<0000000079c8bd6f>] .kthread+0x1b8/0x1d0 [<0000000073e2b812>] .ret_from_kernel_thread+0x58/0x74 unreferenced object 0xc0000000061aa9e0 (size 32): comm "kwindfarm", pid 175, jiffies 4294895857 (age 4732.040s) hex dump (first 32 bytes): c9 06 02 7f ff 02 ff 01 fb bf 00 59 00 20 00 00 ...........Y. .. 00 07 89 37 00 a0 00 00 6b 6b 6b 6b 6b 6b 6b a5 ...7....kkkkkkk. backtrace: [<00000000fce2b937>] .smu_sat_get_sdb_partition+0x150/0x2f0 [windfarm_smu_sat] [<00000000e6cc23fc>] .pm112_wf_notify+0x624/0x1460 [windfarm_pm112] [<000000008cdab940>] .notifier_call_chain+0x88/0xf0 [<000000008f026422>] .__blocking_notifier_call_chain+0x6c/0xc0 [<0000000045480c67>] .wf_thread_func+0xe4/0x1e0 [windfarm_core] [<0000000079c8bd6f>] .kthread+0x1b8/0x1d0 [<0000000073e2b812>] .ret_from_kernel_thread+0x58/0x74 unreferenced object 0xc00000025aacd2c0 (size 16): comm "kwindfarm", pid 175, jiffies 4294896076 (age 4731.164s) hex dump (first 16 bytes): c5 04 01 7f a0 12 20 5f ff 55 d7 15 7b 12 00 00 ...... _.U..{... backtrace: [<00000000fce2b937>] .smu_sat_get_sdb_partition+0x150/0x2f0 [windfarm_smu_sat] [<0000000050e586af>] .pm112_wf_notify+0x66c/0x1460 [windfarm_pm112] [<000000008cdab940>] .notifier_call_chain+0x88/0xf0 [<000000008f026422>] .__blocking_notifier_call_chain+0x6c/0xc0 [<0000000045480c67>] .wf_thread_func+0xe4/0x1e0 [windfarm_core] [<0000000079c8bd6f>] .kthread+0x1b8/0x1d0 [<0000000073e2b812>] .ret_from_kernel_thread+0x58/0x74 enceladus# I will take a look into it and see what I can see. -- Dennis Clarke RISC-V/SPARC/PPC/ARM/CISC UNIX and Linux spoken GreyBeard and suspenders optional -- You are receiving this mail because: You are watching the assignee of the bug.