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Bug#765780: marked as done (systemd: "systemd-udevd blocked" journal message when writing ISO to USB stick)

Your message dated Wed, 28 Apr 2021 18:46:12 +0200
with message-id <E1lbnJx-001LUm-Sk@hullmann.westfalen.local>
and subject line Closing this bug
has caused the Debian Bug report #765780,
regarding systemd: "systemd-udevd blocked" journal message when writing ISO to USB stick
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
765780: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=765780
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: systemd
Version: 215-5+b1
Severity: normal

Dear Maintainer,

   Writing an ISO to a USB stick caused this message to appear in the
   journal multiple times. Despite this, the image was written
   successfully.

   I would not expect such a common operation to cause this kind of
   scary message to be logged.

-- Log snippet

Oct 17 22:56:56 whist kernel:       Tainted: G           O  3.16-2-amd64 #1
Oct 17 22:56:56 whist kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Oct 17 22:56:56 whist kernel: systemd-udevd   D ffff88003686c528     0   313      1 0x00000000
Oct 17 22:56:56 whist kernel:  ffff88003686c0d0 0000000000000086 0000000000014240 ffff88040ce6ffd8
Oct 17 22:56:56 whist kernel:  0000000000014240 ffff88003686c0d0 ffff88040d5951d8 ffff88040ce6fbe0
Oct 17 22:56:56 whist kernel:  ffff88040d5951dc ffff88003686c0d0 00000000ffffffff ffff88040d5951e0
Oct 17 22:56:56 whist kernel: Call Trace:
Oct 17 22:56:56 whist kernel:  [<ffffffff81508e35>] ? schedule_preempt_disabled+0x25/0x70
Oct 17 22:56:56 whist kernel:  [<ffffffff8150a8f3>] ? __mutex_lock_slowpath+0xd3/0x1c0
Oct 17 22:56:56 whist kernel:  [<ffffffff8150a9fb>] ? mutex_lock+0x1b/0x2a
Oct 17 22:56:56 whist kernel:  [<ffffffff811d9733>] ? __blkdev_get+0x63/0x480
Oct 17 22:56:56 whist kernel:  [<ffffffff811d9ea0>] ? blkdev_get_by_dev+0x40/0x40
Oct 17 22:56:56 whist kernel:  [<ffffffff811d9d06>] ? blkdev_get+0x1b6/0x310
Oct 17 22:56:56 whist kernel:  [<ffffffff811d9ea0>] ? blkdev_get_by_dev+0x40/0x40
Oct 17 22:56:56 whist kernel:  [<ffffffff811a2ce2>] ? do_dentry_open+0x1f2/0x330
Oct 17 22:56:56 whist kernel:  [<ffffffff811a2fed>] ? finish_open+0x2d/0x40
Oct 17 22:56:56 whist kernel:  [<ffffffff811b3aca>] ? do_last+0xa5a/0x11e0
Oct 17 22:56:56 whist kernel:  [<ffffffff811afef1>] ? link_path_walk+0x71/0x890
Oct 17 22:56:56 whist kernel:  [<ffffffff811b430b>] ? path_openat+0xbb/0x680
Oct 17 22:56:56 whist kernel:  [<ffffffff81177835>] ? free_pages_and_swap_cache+0x95/0xb0
Oct 17 22:56:56 whist kernel:  [<ffffffff811b507a>] ? do_filp_open+0x3a/0x90
Oct 17 22:56:56 whist kernel:  [<ffffffff811c10ac>] ? __alloc_fd+0x7c/0x120
Oct 17 22:56:56 whist kernel:  [<ffffffff811a4529>] ? do_sys_open+0x129/0x220
Oct 17 22:56:56 whist kernel:  [<ffffffff8150c26d>] ? system_call_fast_compare_end+0x10/0x15
Oct 17 22:58:56 whist kernel: INFO: task systemd-udevd:313 blocked for more than 120 seconds.
Oct 17 22:58:56 whist kernel:       Tainted: G           O  3.16-2-amd64 #1
Oct 17 22:58:56 whist kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Oct 17 22:58:56 whist kernel: systemd-udevd   D ffff88003686c528     0   313      1 0x00000000
Oct 17 22:58:56 whist kernel:  ffff88003686c0d0 0000000000000086 0000000000014240 ffff88040ce6ffd8
Oct 17 22:58:56 whist kernel:  0000000000014240 ffff88003686c0d0 ffff88040d5951d8 ffff88040ce6fbe0
Oct 17 22:58:56 whist kernel:  ffff88040d5951dc ffff88003686c0d0 00000000ffffffff ffff88040d5951e0
Oct 17 22:58:56 whist kernel: Call Trace:
Oct 17 22:58:56 whist kernel:  [<ffffffff81508e35>] ? schedule_preempt_disabled+0x25/0x70
Oct 17 22:58:56 whist kernel:  [<ffffffff8150a8f3>] ? __mutex_lock_slowpath+0xd3/0x1c0
Oct 17 22:58:56 whist kernel:  [<ffffffff8150a9fb>] ? mutex_lock+0x1b/0x2a
Oct 17 22:58:56 whist kernel:  [<ffffffff811d9733>] ? __blkdev_get+0x63/0x480
Oct 17 22:58:56 whist kernel:  [<ffffffff811d9ea0>] ? blkdev_get_by_dev+0x40/0x40
Oct 17 22:58:56 whist kernel:  [<ffffffff811d9d06>] ? blkdev_get+0x1b6/0x310
Oct 17 22:58:56 whist kernel:  [<ffffffff811d9ea0>] ? blkdev_get_by_dev+0x40/0x40
Oct 17 22:58:56 whist kernel:  [<ffffffff811a2ce2>] ? do_dentry_open+0x1f2/0x330
Oct 17 22:58:56 whist kernel:  [<ffffffff811a2fed>] ? finish_open+0x2d/0x40
Oct 17 22:58:56 whist kernel:  [<ffffffff811b3aca>] ? do_last+0xa5a/0x11e0
Oct 17 22:58:56 whist kernel:  [<ffffffff811afef1>] ? link_path_walk+0x71/0x890
Oct 17 22:58:56 whist kernel:  [<ffffffff811b430b>] ? path_openat+0xbb/0x680
Oct 17 22:58:56 whist kernel:  [<ffffffff81177835>] ? free_pages_and_swap_cache+0x95/0xb0
Oct 17 22:58:56 whist kernel:  [<ffffffff811b507a>] ? do_filp_open+0x3a/0x90
Oct 17 22:58:56 whist kernel:  [<ffffffff811c10ac>] ? __alloc_fd+0x7c/0x120
Oct 17 22:58:56 whist kernel:  [<ffffffff811a4529>] ? do_sys_open+0x129/0x220
Oct 17 22:58:56 whist kernel:  [<ffffffff8150c26d>] ? system_call_fast_compare_end+0x10/0x15

-- Package-specific info:

-- System Information:
Debian Release: jessie/sid
  APT prefers testing-updates
  APT policy: (500, 'testing-updates'), (500, 'testing')
Architecture: amd64 (x86_64)

Kernel: Linux 3.16-2-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_AU.UTF-8, LC_CTYPE=en_AU.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages systemd depends on:
ii  acl             2.2.52-2
ii  adduser         3.113+nmu3
ii  initscripts     2.88dsf-53.4
ii  libacl1         2.2.52-2
ii  libaudit1       1:2.4-1
ii  libblkid1       2.20.1-5.11
ii  libc6           2.19-11
ii  libcap2         1:2.24-6
ii  libcap2-bin     1:2.24-6
ii  libcryptsetup4  2:1.6.6-1
ii  libgcrypt20     1.6.2-3
ii  libkmod2        18-3
ii  liblzma5        5.1.1alpha+20120614-2
ii  libpam0g        1.1.8-3.1
ii  libselinux1     2.3-2
ii  libsystemd0     215-5+b1
ii  sysv-rc         2.88dsf-53.4
ii  udev            215-5+b1
ii  util-linux      2.20.1-5.11

Versions of packages systemd recommends:
ii  dbus            1.8.8-1+b1
ii  libpam-systemd  215-5+b1

Versions of packages systemd suggests:
pn  systemd-ui  <none>

-- no debconf information

--- End Message ---
--- Begin Message --- 
This bug was filed for a very old kernel. If you can reproduce it with
- the current version in unstable/testing
- the latest kernel from buster.backports
please reopen the bug, see https://www.debian.org/Bugs/server-control

--- End Message ---
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