Hello, this is my first bug report, so please guide me. I've noticed some instability on my Lenovo E590 and running Prime95 (mprime) deterministically freezes/crashes my laptop. A hard power off is required. ``` > journalctl -b -1 -p 4 --no-hostname -k ... Feb 09 09:57:24 kernel: process '/usr/bin/mprime' started with executable stack Feb 09 10:52:49 kernel: page:00000000e583e641 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x130765 Feb 09 10:52:51 kernel: flags: 0x2ffff0000000000() Feb 09 10:52:51 kernel: raw: 02ffff0000000000 ffffeba25135cf08 ffff9210f1572170 0000000000000000 Feb 09 10:52:51 kernel: raw: 0000000000000000 0000000000000011 00000000ffffffff 0000000000000000 Feb 09 10:52:51 kernel: page dumped because: VM_BUG_ON_PAGE(page_ref_count(page) == 0) Feb 09 10:52:51 kernel: ------------[ cut here ]------------ Feb 09 10:52:51 kernel: kernel BUG at include/linux/mm.h:707! Feb 09 10:52:51 kernel: invalid opcode: 0000 [#1] PREEMPT SMP NOPTI Feb 09 10:52:51 kernel: CPU: 5 PID: 5435 Comm: kworker/5:0 Not tainted 5.10.7-3-MANJARO #1 Feb 09 10:52:51 kernel: Hardware name: LENOVO 20NBCTO1WW/20NBCTO1WW, BIOS R0YET46W (1.29 ) 10/09/2020 Feb 09 10:52:51 kernel: Workqueue: zswap-shrink shrink_worker Feb 09 10:52:51 kernel: RIP: 0010:__free_pages+0x83/0x90 Feb 09 10:52:51 kernel: Code: 33 e4 ff ff eb d1 85 f6 75 09 5b 5d 41 5c e9 a4 fe ff ff 5b 31 d2 5d 41 5c e9 19 e4 ff ff 48 c7 c6 b8 3d 14 87 e8 dd 64 fd ff <0f> 0b 5b 5d 41 5c c3 66 0f 1f 44 00 00 0f 1f 44 00 00 48 85 ff 75 Feb 09 10:52:51 kernel: RSP: 0018:ffffa4c7c782bd60 EFLAGS: 00010286 ```
*** This bug has been marked as a duplicate of bug 211323 ***
It seems it's also a duplicate of https://bugzilla.kernel.org/show_bug.cgi?id=211519