[217499.576744] INFO: task nix-build:176931 blocked for more than 122 seconds.
[217499.577213]       Not tainted 6.11.0 #1-NixOS
[217499.577455] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[217499.577910] task:nix-build       state:D stack:0     pid:176931 tgid:176931 ppid:176930 flags:0x00004002
[217499.578417] Call Trace:
[217499.578560]  <TASK>
[217499.578697]  __schedule+0x3a3/0x1300
[217499.578920]  ? xfs_vm_writepages+0x67/0x90 [xfs]
[217499.579333]  schedule+0x27/0xf0
[217499.579515]  io_schedule+0x46/0x70
[217499.579721]  folio_wait_bit_common+0x13f/0x340
[217499.579981]  ? __pfx_wake_page_function+0x10/0x10
[217499.580241]  folio_wait_writeback+0x2b/0x80
[217499.580475]  __filemap_fdatawait_range+0x80/0xe0
[217499.580740]  file_write_and_wait_range+0x88/0xb0
[217499.581004]  xfs_file_fsync+0x5e/0x2a0 [xfs]
[217499.581586]  __x64_sys_fdatasync+0x52/0x90
[217499.581856]  do_syscall_64+0xb7/0x200
[217499.582069]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[217499.582349] RIP: 0033:0x7f56be82f70a
[217499.582563] RSP: 002b:00007fff458db490 EFLAGS: 00000293 ORIG_RAX: 000000000000004b
[217499.582988] RAX: ffffffffffffffda RBX: 000055af3319bbf8 RCX: 00007f56be82f70a
[217499.583372] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000007
[217499.583760] RBP: 0000000000000000 R08: 0000000000000001 R09: 000055af3b0fefe8
[217499.584169] R10: 000000000000007e R11: 0000000000000293 R12: 0000000000000001
[217499.584552] R13: 0000000000000197 R14: 000055af3b0ff33e R15: 00007fff458db690
[217499.584951]  </TASK>
[217565.040136] systemd[1]: fc-agent.service: Deactivated successfully.
[217565.041118] systemd[1]: Finished Flying Circus Management Task.
[217565.041814] systemd[1]: fc-agent.service: Consumed 18.400s CPU time, received 28.9M IP traffic, sent 158.2K IP traffic.
[217637.400585] systemd[1]: Created slice Slice /user/1003.
[217637.407307] systemd[1]: Starting User Runtime Directory /run/user/1003...
[217637.426906] systemd[1]: Finished User Runtime Directory /run/user/1003.
[217637.439512] systemd[1]: Starting User Manager for UID 1003...
[217637.644565] systemd[1]: Started User Manager for UID 1003.
[217637.652243] systemd[1]: Started Session 3 of User ctheune.