Kernel Panics since move from a Dedi to a VM

Plex Media Server Logs_2021-05-15_23-50-49.zip (6.2 MB)

Server Version#:1.23.0.4497-a1b1f3c10
Player Version#:
Server OS: Debian 10
Kernel: 5.10.0-0

Hello,
i run a Plex server since a cople of years now. Since i move the Server from dedicated hardware to a vm (more power) i got Kernel panics and the stream is hanging. mostly i read something like

Summary

INFO: task ffmpeg:19207 blocked for more than 120 seconds.
May 15 22:29:26 plex kernel: [ 4713.918425] Not tainted 5.10.0-0.bpo.3-amd64 #1 Debian 5.10.13-1~bpo10+1
May 15 22:29:26 plex kernel: [ 4713.918482] “echo 0 > /proc/sys/kernel/hung_task_timeout_secs” disables this message.
May 15 22:29:26 plex kernel: [ 4713.918539] task:ffmpeg state:D stack: 0 pid:19207 ppid: 19131 flags:0x00004004
May 15 22:29:26 plex kernel: [ 4713.918540] Call Trace:
May 15 22:29:26 plex kernel: [ 4713.918541] __schedule+0x2be/0x770
May 15 22:29:26 plex kernel: [ 4713.918544] ? free_unref_page_commit+0x91/0x110
May 15 22:29:26 plex kernel: [ 4713.918548] schedule+0x3c/0xa0
May 15 22:29:26 plex kernel: [ 4713.918549] io_schedule+0x12/0x40
May 15 22:29:26 plex kernel: [ 4713.918551] __lock_page+0x13c/0x280
May 15 22:29:26 plex kernel: [ 4713.918553] ? __page_cache_alloc+0x80/0x80
May 15 22:29:26 plex kernel: [ 4713.918554] invalidate_inode_pages2_range+0x275/0x4d0
May 15 22:29:26 plex kernel: [ 4713.918556] ? finish_wait+0x3f/0x80
May 15 22:29:26 plex kernel: [ 4713.918558] ? request_wait_answer+0x11c/0x220 [fuse]
May 15 22:29:26 plex kernel: [ 4713.918561] fuse_finish_open+0x80/0x110 [fuse]
May 15 22:29:26 plex kernel: [ 4713.918564] fuse_open_common+0x18a/0x1a0 [fuse]
May 15 22:29:26 plex kernel: [ 4713.918566] ? fuse_open_common+0x1a0/0x1a0 [fuse]
May 15 22:29:26 plex kernel: [ 4713.918567] do_dentry_open+0x149/0x360
May 15 22:29:26 plex kernel: [ 4713.918569] path_openat+0xbb5/0x1040
May 15 22:29:26 plex kernel: [ 4713.918570] ? __mod_memcg_lruvec_state+0x21/0x100
May 15 22:29:26 plex kernel: [ 4713.918571] ? page_add_file_rmap+0x144/0x1a0
May 15 22:29:26 plex kernel: [ 4713.918573] ? alloc_set_pte+0xec/0x590
May 15 22:29:26 plex kernel: [ 4713.918574] do_filp_open+0x93/0x100
May 15 22:29:26 plex kernel: [ 4713.918576] ? handle_mm_fault+0x145d/0x1660
May 15 22:29:26 plex kernel: [ 4713.918577] ? __check_object_size+0x162/0x180
May 15 22:29:26 plex kernel: [ 4713.918578] do_sys_openat2+0x22e/0x2e0
May 15 22:29:26 plex kernel: [ 4713.918579] do_sys_open+0x4b/0x80
May 15 22:29:26 plex kernel: [ 4713.918580] do_syscall_64+0x33/0x80
May 15 22:29:26 plex kernel: [ 4713.918581] entry_SYSCALL_64_after_hwframe+0x44/0xa9
May 15 22:29:26 plex kernel: [ 4713.918582] RIP: 0033:0x7fe81775dc8b
May 15 22:29:26 plex kernel: [ 4713.918582] RSP: 002b:00007fff3ebe1920 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
May 15 22:29:26 plex kernel: [ 4713.918583] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fe81775dc8b
May 15 22:29:26 plex kernel: [ 4713.918583] RDX: 0000000000000000 RSI: 0000000000ef2825 RDI: 00000000ffffff9c
May 15 22:29:26 plex kernel: [ 4713.918584] RBP: 0000000000ef27c0 R08: 000000000000000f R09: 0000000000ef2aa0
May 15 22:29:26 plex kernel: [ 4713.918584] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000ef2900

If that is a rented host, contact the provider.
If that is your own host, Reload the OS and install ALL updates.

No application can panic the kernel when kernel and runtime OS libraries are valid.

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