Hello!
New to Linux and loving KDE and friends. However, on rare occasion my system will not sleep/suspend and it appears it’s related to one of my favorite backup programs, kup.
How do I resolve? I see similar Call Traces whenever this happens.
Here are the details:
Filesystems sync: 0.012 seconds
[177762.437339] Freezing user space processes
[177782.442696] Freezing user space processes failed after 20.005 seconds (1 tasks refusing to freeze, wq_busy=0):
[177782.442785] task:kup-daemon state:D stack:0 pid:1658 tgid:1658 ppid:1340 task_flags:0x400000 flags:0x00004006
[177782.442793] Call Trace:
[177782.442797] <TASK>
[177782.442802] __schedule+0x52d/0x1580
[177782.442814] ? srso_alias_return_thunk+0x5/0xfbef5
[177782.442822] ? srso_alias_return_thunk+0x5/0xfbef5
[177782.442825] ? srso_alias_return_thunk+0x5/0xfbef5
[177782.442830] schedule+0x2a/0xd0
[177782.442837] request_wait_answer+0xce/0x260 [fuse]
[177782.442851] ? __pfx_autoremove_wake_function+0x10/0x10
[177782.442858] __fuse_simple_request+0xd7/0x290 [fuse]
[177782.442867] fuse_dentry_revalidate+0x133/0x320 [fuse]
[177782.442883] lookup_fast+0xea/0x100
[177782.442889] walk_component+0x1f/0x150
[177782.442894] path_lookupat+0x67/0x1a0
[177782.442899] filename_lookup+0xf4/0x200
[177782.442909] vfs_statx+0x80/0x160
[177782.442915] vfs_fstatat+0x6b/0xa0
[177782.442919] __do_sys_newfstatat+0x3b/0x80
[177782.442927] do_syscall_64+0x84/0x180
[177782.442933] ? srso_alias_return_thunk+0x5/0xfbef5
[177782.442936] ? preempt_count_add+0x4b/0xa0
[177782.442940] ? fput+0x3f/0x90
[177782.442944] ? srso_alias_return_thunk+0x5/0xfbef5
[177782.442947] ? fpregs_assert_state_consistent+0x25/0x50
[177782.442952] ? srso_alias_return_thunk+0x5/0xfbef5
[177782.442954] ? syscall_exit_to_user_mode+0x4d/0x1e0
[177782.442958] ? srso_alias_return_thunk+0x5/0xfbef5
[177782.442961] ? do_syscall_64+0x90/0x180
[177782.442964] ? srso_alias_return_thunk+0x5/0xfbef5
[177782.442966] ? syscall_exit_to_user_mode+0x163/0x1e0
[177782.442969] ? srso_alias_return_thunk+0x5/0xfbef5
[177782.442972] ? do_syscall_64+0x90/0x180
[177782.442974] ? fput+0x3f/0x90
[177782.442977] ? srso_alias_return_thunk+0x5/0xfbef5
[177782.442980] ? preempt_count_add+0x4b/0xa0
[177782.442982] ? fput+0x3f/0x90
[177782.442985] ? srso_alias_return_thunk+0x5/0xfbef5
[177782.442988] ? fpregs_assert_state_consistent+0x25/0x50
[177782.442990] ? srso_alias_return_thunk+0x5/0xfbef5
[177782.442993] ? syscall_exit_to_user_mode+0x4d/0x1e0
[177782.442996] ? srso_alias_return_thunk+0x5/0xfbef5
[177782.442999] ? do_syscall_64+0x90/0x180
[177782.443001] ? srso_alias_return_thunk+0x5/0xfbef5
[177782.443004] ? do_syscall_64+0x90/0x180
[177782.443006] ? fpregs_assert_state_consistent+0x25/0x50
[177782.443009] entry_SYSCALL_64_after_hwframe+0x76/0x7e
[177782.443014] RIP: 0033:0x7fe0d910d6aa
[177782.443018] RSP: 002b:00007ffe0f5d5d38 EFLAGS: 00000246 ORIG_RAX: 0000000000000106
[177782.443022] RAX: ffffffffffffffda RBX: 0000556b74f97578 RCX: 00007fe0d910d6aa
[177782.443025] RDX: 00007ffe0f5d5d70 RSI: 0000556b74fb8d60 RDI: 00000000ffffff9c
[177782.443027] RBP: 0000556b74fb2bb0 R08: 0000000000000050 R09: 00007ffe0f5d5cb8
[177782.443029] R10: 0000000000000000 R11: 0000000000000246 R12: 0000556b74fb2bd0
[177782.443031] R13: 00007ffe0f5d5d50 R14: 0000556b74f97578 R15: 0000556b75021b18
[177782.443036] </TASK>
Thanks!