Keybase 6.2.4 (fs?) blocks. df, nautilus, even firefox file browsers won't open. Seems new.

[jodavaho]

$ dmesg 
[  484.594841] INFO: task keybase:18831 blocked for more than 241 seconds.
[  484.594855]       Tainted: P           O       6.2.0-39-generic #40~22.04.1-Ubuntu
[  484.594859] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  484.594862] task:keybase         state:D stack:0     pid:18831 ppid:17624  flags:0x00000006
[  484.594871] Call Trace:
[  484.594875]  <TASK>
[  484.594881]  __schedule+0x2b7/0x5f0
[  484.594893]  schedule+0x68/0x110
[  484.594898]  schedule_preempt_disabled+0x15/0x30
[  484.594902]  rwsem_down_read_slowpath+0x243/0x4d0
[  484.594909]  ? try_to_unlazy+0x60/0xe0
[  484.594918]  down_read+0x4a/0xc0
[  484.594924]  walk_component+0x113/0x190
[  484.594932]  path_lookupat+0x6e/0x1c0
[  484.594936]  filename_lookup+0xcf/0x1e0
[  484.594942]  ? check_heap_object+0x185/0x1d0
[  484.594951]  ? __check_object_size.part.0+0x72/0x150
[  484.594958]  vfs_statx+0x91/0x170
[  484.594966]  vfs_fstatat+0x59/0x80
[  484.594972]  __do_sys_newfstatat+0x2b/0x70
[  484.594980]  ? ksys_read+0xda/0xf0
[  484.594986]  ? exit_to_user_mode_prepare+0x3b/0xd0
[  484.594992]  __x64_sys_newfstatat+0x1c/0x30
[  484.594999]  do_syscall_64+0x59/0x90
[  484.595006]  ? handle_mm_fault+0x119/0x330
[  484.595010]  ? lock_mm_and_find_vma+0x44/0x250
[  484.595018]  ? do_user_addr_fault+0x1d0/0x640
[  484.595023]  ? exit_to_user_mode_prepare+0x3b/0xd0
[  484.595027]  ? irqentry_exit_to_user_mode+0x17/0x20
[  484.595034]  ? irqentry_exit+0x43/0x50
[  484.595039]  ? exc_page_fault+0x92/0x1b0
[  484.595046]  entry_SYSCALL_64_after_hwframe+0x73/0xdd
[  484.595052] RIP: 0033:0x56014c8d172e
[  484.595058] RSP: 002b:000000c002f39a68 EFLAGS: 00000202 ORIG_RAX: 0000000000000106
[  484.595064] RAX: ffffffffffffffda RBX: ffffffffffffff9c RCX: 000056014c8d172e
[  484.595067] RDX: 000000c005f517c8 RSI: 000000c005f62270 RDI: ffffffffffffff9c
[  484.595070] RBP: 000000c002f39aa8 R08: 0000000000000000 R09: 0000000000000000
[  484.595073] R10: 0000000000000100 R11: 0000000000000202 R12: 0000000000000000
[  484.595076] R13: 000000c00008ac00 R14: 000000c004cb1a00 R15: 000000000000001a
[  484.595083]  </TASK>

This just repeats. It never seems to work.

$ apt list --installed keybase
Listing... Done
keybase/unknown,now 6.2.4-20240101011938.ae7e4a1c15 amd64 [installed]

$ strace df
execve("/usr/bin/df", ["df"], 0x7ffc41c3f840 /* 58 vars */) = 0
... normal startup stuff ... 
futex(0x7f53678d0a6c, FUTEX_WAKE_PRIVATE, 2147483647) = 0
newfstatat(AT_FDCWD, "/run", {st_mode=S_IFDIR|0755, st_size=1200, ...}, 0) = 0
.... etc etc lots of newfsatat calls
newfstatat(AT_FDCWD, "/keybase", 

Blocked there indefinitely.

Can't open firefox file browser to upload / download files. Can't open fire system browser from desktop by clicking on app. Can't even ls /

[jodavaho]

This appears intermittently, maybe a race condition? A full restart will sometimes clear the issue.

FWIW, I'm on a ZFS filesystem, encrypted at boot, with some extra ecrypt folders mounted at login.

[1000i100]

Same here with btrfs on a luks system. (LMDE6 Debian based)

[jodavaho]

Workaround: Killing keybase-redirector releases all blocked tasks.

ubuntu 22.04: sudo killall keybase-redirector

[tuupola]

Same here with Fedora with btrfs and luks. Running sudo killall keybase-redirector seems to fix the problem.

[daithi-coombes]

same here, ubuntu 22.04

Linux daithi 6.5.0-21-generic #21~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC Fri Feb  9 13:32:52 UTC 2 x86_64 x86_64 x86_64 GNU/Linux

Hanging when running apt-get update. Stack trace similar to op in dmesg. Noticed also file dialog in browsers (firefox and chromium) both stopped working last week. See it mentioned above, not sure if related?

Running sudo killall keybase-redirector unblocked keybase and apt-get update continued 👍

Also, I've been having problems with this machine and file browser, ls and file dialog in browsers randomly not working for about a year. Restarting the machine fixes it.

[wom-bat]

Possibly the same as issue keybase/keybase-issues#4256