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#51 Re: Other Issues » [Solved] linux-5.6.0-0.bpo.2 stucks at "waiting for /dev.... udevd" » 2020-07-06 05:07:42
Hi
Maybe frankenDevuan maybe not. Maybe try to remove openrc (and use the default sysvnit) instead. I have had problems with openrc on devuan. Not the case with sysvinit. And what rules did you apply to /etc/udev/rules.d/51-android.rules ??? . How are your /etc/apt/sources.list and other files from there.
It is difficult to help because we don't know what you have done in your editing. And why are you using the kernel form unstable instead from backports. And why not 4.19 that you report works just fine.I have one rule. If it works don' t break it. Seems to me you are making some of the problems yourself. I am sure we will like to help you. But try not to mess with things. Use packages from only one distro and release (Beowulf). Do not blend them that will just make more problems.
Have a nice day
Lars H
The thing is, why did not it work with 5.x kernel? I hope I'm helping finding it out. So far I've installed 2-3 times and this udevd worker timing out problem is reproducible. @larsH: I will try sysvinit.
udev rules was recent try to get my Honor 8x configured for adb. I removed that. There is only one package from other repo - firefox. FYI, ubuntu-mozilla-build version of firefox installs to: /opt/firefox directory.
@fsmithred: I checked /var/log/apt/history.log and /var/log/apt/term.log
This is the complete list of packages I installed for Gnome as well as bluez* packages. Nothing other than that. You may also see the raid6 mmessages in the start.The boot messages briefly detects the hdd as /dev/sda4 (as seen in the photo). But, later shows as /dev/sdb4 correctly.
apt-history.log
https://paste.debian.net/1155288/
#52 Re: Other Issues » [Solved] linux-5.6.0-0.bpo.2 stucks at "waiting for /dev.... udevd" » 2020-07-05 17:43:53
Debuser2018 wrote:...nothing much...
'apt install' appears on 47 lines. I realize some of those are repeated because they did not run the first time, but there was still a lot added.
You added ubuntu repository keys, so I have to wonder what was installed from ubuntu that might cause problems.
Looks like you installed the 5.7 kernel from unstable.
And you purged and reinstalled other stuff.I can't tell what went wrong or when it happened.
I have used gpg authentication for ubuntuzilla repo which has firefox-new. I jut tried latest debian kernel 5.7.6 also after the problem appeared (that was foolish..). Not a franken system 
. I got some screenshot while the screen was stuck. It says about raid setup, which I don't have (my system has a intel 330 SSD & 1tb WD HDD):
#53 Re: Other Issues » [Solved] linux-5.6.0-0.bpo.2 stucks at "waiting for /dev.... udevd" » 2020-07-05 14:21:14
Tell me exactly what you installed and how you installed it. Reinstalling the kernel and xorg did not break anything here.
Actually, nothing much I run. This is the history of commands I ran since the installation:
http://paste.debian.net/1155211/
Last packages installed: bluez, bluez-firmware
#54 Re: Other Issues » [Solved] linux-5.6.0-0.bpo.2 stucks at "waiting for /dev.... udevd" » 2020-07-04 18:01:34
@fsmithred: The problem cropped up again. Udevd..worker timing out. This happened after I re-installed the same kernel (5.6.0-0.bpo.2-amd64) and xorg packages.
Is it related to the initramfs generated
#55 Re: Other Issues » [Solved] linux-5.6.0-0.bpo.2 stucks at "waiting for /dev.... udevd" » 2020-07-04 11:00:15
@fsmithred: Thanks! Now it is good to go. I see gnome-shell segfault log at shutdown though.
What is the difference between the official iso of beowulf and the refracta iso? With official iso and 5.x kernel it is sure to get udevd worker problem getting stuck for 3 minutes. Same when I tried using debian-installer with netinstall iso too.
#56 Re: Other Issues » [Solved] linux-5.6.0-0.bpo.2 stucks at "waiting for /dev.... udevd" » 2020-07-03 04:45:40
@fsmithred: Sorry for replying late. I booted your version of iso and it is booting fine. I will install and will update soon.
#57 Re: Other Issues » [Solved] linux-5.6.0-0.bpo.2 stucks at "waiting for /dev.... udevd" » 2020-07-01 09:33:35
@fsmithred: At last, I got some debug messages when I opened virtual terminal (tty2,3 etc). These messages are running through the virtual terminals. Something to do with usb rules?
[ 2321.518059] udevd[657]: seq 23488 queued, 'change' 'usb'
[ 2321.518117] udevd[698]: created db file '/run/udev/data/+usb:2-0:1.0' for '/devices/pci0000:00/0000:00:1c.3/0000:03:00.0/usb2/2-0:1.0'
[ 2348.631334] elogind-daemon[2318]: VT changed to 2
[ 2348.631410] elogind-daemon[2318]: Sent message type=signal sender=n/a destination=n/a path=/org/freedesktop/login1/session/_32 interface=org.freedesktop.DBus.Properties member=PropertiesChanged cookie=427 reply_cookie=0 signature=sa{sv}as error-name=n/a error-message=n/a
[ 2348.632510] elogind-daemon[2318]: card0: Found udev node /dev/dri/card0 for seat seat0
[ 2348.632579] elogind-daemon[2318]: hwC0D0: Found udev node /dev/snd/hwC0D0 for seat seat0
[ 2348.632643] elogind-daemon[2318]: hwC0D3: Found udev node /dev/snd/hwC0D3 for seat seat0
[ 2348.632712] elogind-daemon[2318]: pcmC0D0c: Found udev node /dev/snd/pcmC0D0c for seat seat0
[ 2348.632779] elogind-daemon[2318]: pcmC0D0p: Found udev node /dev/snd/pcmC0D0p for seat seat0
[ 2348.632849] elogind-daemon[2318]: pcmC0D1p: Found udev node /dev/snd/pcmC0D1p for seat seat0
[ 2348.632914] elogind-daemon[2318]: pcmC0D2c: Found udev node /dev/snd/pcmC0D2c for seat seat0
[ 2348.632981] elogind-daemon[2318]: pcmC0D3p: Found udev node /dev/snd/pcmC0D3p for seat seat0
[ 2352.418157] udevd[657]: seq 23774 queued, 'change' 'usb'
[ 2352.418252] udevd[679]: created db file '/run/udev/data/+usb:4-0:1.0' for '/devices/pci0000:00/0000:00:1c.3/0000:03:00.0/usb4/4-0:1.0'
[ 2352.427829] udevd[657]: seq 23775 queued, 'change' 'usb'
[ 2352.428010] udevd[679]: passed 531 byte device to netlink monitor 0x55b69c38d1d0
[ 2352.432565] udevd[679]: seq 12989 processed
[ 2352.433966] udevd[657]: passed 426 byte device to netlink monitor 0x55b69c377ab0
[ 2352.433981] udevd[679]: seq 12991 running
[ 2352.437758] udevd[679]: IMPORT builtin 'hwdb' /lib/udev/rules.d/50-udev-default.rules:14
[ 2383.546370] udevd[657]: seq 24062 queued, 'change' 'usb'
[ 2383.546466] udevd[679]: created db file '/run/udev/data/+usb:4-0:1.0' for '/devices/pci0000:00/0000:00:1c.3/0000:03:00.0/usb4/4-0:1.0'
[ 2383.550878] udevd[657]: seq 24063 queued, 'change' 'usb'
[ 2383.552016] udevd[679]: passed 531 byte device to netlink monitor 0x55b69c38d1d0
[ 2383.559139] udevd[679]: seq 13134 processed
[ 2383.560619] udevd[657]: passed 426 byte device to netlink monitor 0x55b69c377ab0
[ 2383.560713] udevd[679]: seq 13137 running
[ 2383.563513] udevd[679]: IMPORT builtin 'hwdb' /lib/udev/rules.d/50-udev-default.rules:14
[ 2383.762379] udevd[657]: seq 24064 queued, 'change' 'usb'
[ 2383.762502] udevd[698]: created db file '/run/udev/data/+usb:2-0:1.0' for '/devices/pci0000:00/0000:00:1c.3/0000:03:00.0/usb2/2-0:1.0'
[ 2388.730404] udevd[657]: seq 24110 queued, 'change' 'usb'
[ 2388.730544] udevd[679]: created db file '/run/udev/data/+usb:4-0:1.0' for '/devices/pci0000:00/0000:00:1c.3/0000:03:00.0/usb4/4-0:1.0'
[ 2388.737062] udevd[657]: seq 24111 queued, 'change' 'usb'
[ 2388.738964] udevd[679]: passed 531 byte device to netlink monitor 0x55b69c38d1d0
[ 2388.743008] udevd[679]: seq 13159 processed
[ 2388.744628] udevd[657]: passed 426 byte device to netlink monitor 0x55b69c377ab0
[ 2388.744653] udevd[679]: seq 13160 running
[ 2388.749236] udevd[679]: IMPORT builtin 'hwdb' /lib/udev/rules.d/50-udev-default.rules:14
[ 2388.950428] udevd[657]: seq 24112 queued, 'change' 'usb'
[ 2388.950529] udevd[698]: created db file '/run/udev/data/+usb:2-0:1.0' for '/devices/pci0000:00/0000:00:1c.3/0000:03:00.0/usb2/2-0:1.0'
[ 2392.019663] elogind-daemon[2318]: Inhibitor Debian-gdm (GNOME needs to lock the screen) pid=15173 uid=109 mode=delay stopped.
[ 2392.022544] elogind-daemon[2318]: Sent message type=signal sender=n/a destination=n/a path=/org/freedesktop/login1 interface=org.freedesktop.DBus.Properties member=PropertiesChanged cookie=536 reply_cookie=0 signature=sa{sv}as error-name=n/a error-message=n/a
[ 2392.029489] elogind-daemon[2318]: Inhibitor Debian-gdm (GNOME handling keypresses) pid=15171 uid=109 mode=block stopped.
[ 2392.031972] elogind-daemon[2318]: Sent message type=signal sender=n/a destination=n/a path=/org/freedesktop/login1 interface=org.freedesktop.DBus.Properties member=PropertiesChanged cookie=537 reply_cookie=0 signature=sa{sv}as error-name=n/a error-message=n/a
[ 2392.037393] elogind-daemon[2318]: Electing new display for user Debian-gdm
[ 2392.040120] elogind-daemon[2318]: Ignoring session c3
[ 2392.042933] elogind-daemon[2318]: Removed session c3.
[ 2392.045238] elogind-daemon[2318]: Sent message type=signal sender=n/a destination=:1.85 path=/org/freedesktop/login1/session/c3 interface=org.freedesktop.login1.Session member=PauseDevice cookie=538 reply_cookie=0 signature=uus error-name=n/a error-message=n/a
[ 2392.055886] elogind-daemon[2318]: Sent message type=signal sender=n/a destination=n/a path=/org/freedesktop/login1 interface=org.freedesktop.login1.Manager member=SessionRemoved cookie=539 reply_cookie=0 signature=so error-name=n/a error-message=n/a
[ 2392.060328] elogind-daemon[2318]: Sent message type=signal sender=n/a destination=n/a path=/org/freedesktop/login1/user/_109 interface=org.freedesktop.DBus.Properties member=PropertiesChanged cookie=540 reply_cookie=0 signature=sa{sv}as
error-name=n/a error-message=n/a
[ 2393.918382] udevd[657]: seq 24158 queued, 'change' 'usb'
[ 2393.918452] udevd[679]: created db file '/run/udev/data/+usb:4-0:1.0' for '/devices/pci0000:00/0000:00:1c.3/0000:03:00.0/usb4/4-0:1.0'
[ 2393.926095] udevd[657]: seq 24159 queued, 'change' 'usb'
[ 2393.930347] udevd[679]: passed 531 byte device to netlink monitor 0x55b69c38d1d0
[ 2393.934214] udevd[679]: seq 13183 processed
[ 2393.936634] udevd[657]: passed 426 byte device to netlink monitor 0x55b69c377ab0
[ 2393.936665] udevd[679]: seq 13184 running
[ 2393.942043] udevd[679]: IMPORT builtin 'hwdb' /lib/udev/rules.d/50-udev-default.rules:14
[ 2394.134441] udevd[657]: seq 24160 queued, 'change' 'usb'
[ 2394.134499] udevd[698]: created db file '/run/udev/data/+usb:2-0:1.0' for '/devices/pci0000:00/0000:00:1c.3/0000:03:00.0/usb2/2-0:1.0'
/lib/udev/rules.d/50-udev-default.rules (line number 14):
ENV{MODALIAS}!="", IMPORT{builtin}="hwdb --subsystem=$env{SUBSYSTEM}"
#58 Re: Other Issues » [Solved] linux-5.6.0-0.bpo.2 stucks at "waiting for /dev.... udevd" » 2020-07-01 05:40:57
udev_log="debug" did not do anything. I tried purging all of Gnome packages, xorg etc to get bare minimum system and tried booting with linux-image-5.6. But, the same problem happens - 3 minutes delay 
.
@fsmithred: Please upload your version of live-iso.
#59 Re: Other Issues » [Solved] linux-5.6.0-0.bpo.2 stucks at "waiting for /dev.... udevd" » 2020-07-01 00:27:31
One way to get more information is to edit /etc/udev/udev.conf and set udev_log="debug" and make sure it's uncommented.
If you want to try with the system that I'm using for testing, I can upload a live-iso later today.
I will try. Since I installed with debian-installer the base system. I observed that the problem cropped up after installing gnome. I will try removing whole of Gnome and related dependencies and will update.
#60 Re: Other Issues » [Solved] linux-5.6.0-0.bpo.2 stucks at "waiting for /dev.... udevd" » 2020-06-30 14:16:16
Install haveged.
Installed already. But, udev waiting & time out continues. What is least helpful with this fresh Beowulf install is, I cannot find any logs about what is actually failing or "hangs" while booting or in any log files. In the previous installation (from ascii to beowulf), when I boot with linux-5.6.x, I can see some usb id's related error messages can be seen. (I guess a bluetooth adapter and wireless adapter).
Right now, I saw some message while shutting down. I think it's complaining about usb device and udevd worker. (will confirm)
@fsmithred: Where do I start with? I tried starting init scripts manually and even eudev started fine. If I run "udevadm settle" it takes few minutes.
#61 Re: Other Issues » [Solved] linux-5.6.0-0.bpo.2 stucks at "waiting for /dev.... udevd" » 2020-06-30 07:01:03
What else to try? Should I try updating eudev, elogind, openrc etc from unstable repo?
#62 Re: Other Issues » [Solved] linux-5.6.0-0.bpo.2 stucks at "waiting for /dev.... udevd" » 2020-06-29 04:25:55
In both 4.19.0-9-amd64 and 5.6.0-0.bpo.2-amd64 kernels, searching config showed: CONFIG_RANDOM_TRUST_CPU=y
Earlier, I tried recent eudev and elogind, openRC from ceres in the hope to resolve the problem. Nothing much to try.
May be unrelated. But, I earlier saw udevd worker time out with two usb adapters - bluetooth and wireless adapters. (Now no warning or error messages seen, but only "time out"). Of this, bluetooth adapter is not working despite the device detected hci0 and shows as up running. WiFi adapter works fine.
Bus 004 Device 004: ID 0a12:0001 Cambridge Silicon Radio, Ltd Bluetooth Dongle (HCI mode)
Bus 004 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 005: ID 046d:c077 Logitech, Inc. M105 Optical Mouse
Bus 003 Device 004: ID 413c:2107 Dell Computer Corp.
Bus 003 Device 003: ID 148f:7601 Ralink Technology, Corp. MT7601U Wireless Adapter
Bus 003 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
lsusb -v results for 0a12:0001 and 148f:7601 :
https://paste.debian.net/1154312/
#63 Re: Other Issues » [Solved] linux-5.6.0-0.bpo.2 stucks at "waiting for /dev.... udevd" » 2020-06-28 18:46:30
Now, there is not much anything about why the 3 minutes delay after udevd starts. Except for the time out message. I checked the /var/log/messages and saw only this:
Jun 28 23:52:19 dev1box kernel: [ 0.850092] random: udevd: uninitialized urandom read (16 bytes read)
Jun 28 23:52:19 dev1box kernel: [ 0.850661] random: udevd: uninitialized urandom read (16 bytes read)
Jun 28 23:52:19 dev1box kernel: [ 0.862455] random: udevd: uninitialized urandom read (16 bytes read)
#64 Re: Off-topic » Show your desktop (rebooted) » 2020-06-28 15:07:54
Freshly installed Beowulf with Gnome-3.30. Using openRC init. Working fine except for udev issue with particular kernel (5.6.x bpo). Yes, Gnome 3.x works on Devuan. (and without systemd)
#65 Re: Other Issues » [Solved] linux-5.6.0-0.bpo.2 stucks at "waiting for /dev.... udevd" » 2020-06-28 15:00:10
But, if I have to install linux-image-5.6.0-0.bpo.2-amd64, both crda and wireless-regdb needs to be removed. When I installed crda & wireless-regdb from ceres (backported), the regulatory.db error message disappears.
Apart from crda & wireless-regdb, rest of the system is lean and stock. I'm sure that something breaks udev with kernel-5.x when you install gnome3. I'm ready to dig it. But, totally clueless now.
~$ apt policy wireless-regdb
wireless-regdb:
Installed: 2020.04.29-1~bpo10+1
Candidate: 2020.04.29-1~bpo10+1
Version table:
*** 2020.04.29-1~bpo10+1 100
100 /var/lib/dpkg/status
2019.06.03-1~bpo10+1 100
100 http://deb.devuan.org/merged beowulf-backports/main amd64 Packages
2016.06.10-1 500
500 http://deb.devuan.org/merged beowulf/main amd64 Packages
:~$ apt policy crda
crda:
Installed: 4.14+git20191112.9856751-1~bpo10+2
Candidate: 4.14+git20191112.9856751-1~bpo10+2
Version table:
*** 4.14+git20191112.9856751-1~bpo10+2 100
100 /var/lib/dpkg/status
3.18-1 500
500 http://deb.devuan.org/merged beowulf/main amd64 Packages :~$ diff /boot/config-4.19.0-9-amd64 /boot/config-5.6.0-0.bpo.2-amd64 |tee diff-kernels.txt
https://paste.debian.net/1154234/
#66 Re: Other Issues » [Solved] linux-5.6.0-0.bpo.2 stucks at "waiting for /dev.... udevd" » 2020-06-28 13:17:31
This is just a wild guess, but maybe you are being affected by this bug:
https://bugs.devuan.org/cgi/bugreport.cgi?bug=483Simple test is to add sleep 1 to /etc/init.d/eudev as shown in the diff.
Yes I tried (added sleep 1 after sleep 15 fi). It did not work.
linux-image-4.19.0-9-amd64 boots fine. Problem is with the latest kernel from backports.
With 5.6.0-0.bpo.2-amd64, crda and wireless-regdb are removed. I have to get the new versions from ceres backported to eliminate warning messages about missing regulatory.db files.
I have uploaded logs in the hope that something helpful can be found:
kern.log: https://pastebin.ubuntu.com/p/XbzSB98Qxp/
/var/log/messages: https://pastebin.ubuntu.com/p/9fTpV3nsy2/
/var/log/syslog: https://pastebin.ubuntu.com/p/S39wPxjS3j/
#67 Re: Other Issues » [Solved] linux-5.6.0-0.bpo.2 stucks at "waiting for /dev.... udevd" » 2020-06-28 07:16:42
@fsmithred: I did a fresh install of Devuan Beowulf using netinstall iso (Debian installer) and reusing my /home directory, which is a separate slice. Everything was working fine until I installed Gnome. Before, "devmapper" line was appearing after udevd. After Gnome3, it is stuck at udevd.. worker "timing out". The python segfault and other error messages thankfully not observed.
#68 Re: Other Issues » [Solved] linux-5.6.0-0.bpo.2 stucks at "waiting for /dev.... udevd" » 2020-06-25 23:33:09
I tried booting with rw init=/bin/bash and started services manually. /etc/rcS.d/S02eudev takes a minute to finish with "done. (time out)" message shown.
#69 Re: Other Issues » [Solved] linux-5.6.0-0.bpo.2 stucks at "waiting for /dev.... udevd" » 2020-06-25 23:12:06
Guess its system specific. Got two machines here that work fine with Beowulf and kernel linux-image-5.6.0-0.bpo.2-amd64. Though I am using the openrc version that comes with Beowulf.
rolfie
Stock kernel 4.19 boots just fine. But, with linux-image-5.6.0-0.bpo.2-amd64, udev worker timing out. I have bootlogd installed. But, nothing much useful in the log. I tried booting with "quiet" line removed. Still, nothing much. If I run "udevadm settle", it takes few minutes and no error messages. While shutting down, as the photo shows, "connection refused" messages shown.
Should I check /etc/init.d/ for this udev issue?
These are the doubtful messages from /var/log/kern.log shows. Python3 segfaults, rfkill disabled.. :~
Jun 26 03:51:08 devuan kernel: [ 0.814444] Run /init as init process
Jun 26 03:51:08 devuan kernel: [ 0.814894] with arguments:
Jun 26 03:51:08 devuan kernel: [ 0.814894] /init
Jun 26 03:51:08 devuan kernel: [ 0.814895] with environment:
Jun 26 03:51:08 devuan kernel: [ 0.814895] HOME=/
Jun 26 03:51:08 devuan kernel: [ 0.814896] TERM=linux
Jun 26 03:51:08 devuan kernel: [ 0.834931] random: udevd: uninitialized urandom read (16 bytes read)
Jun 26 03:51:08 devuan kernel: [ 0.835718] random: udevd: uninitialized urandom read (16 bytes read)
Jun 26 03:51:08 devuan kernel: [ 0.847931] random: udevd: uninitialized urandom read (16 bytes read)
Jun 26 03:52:29 devuan kernel: [ 212.280879] rfkill: input handler disabled
Jun 26 04:07:06 devuan kernel: [ 1089.877525] show_signal_msg: 10 callbacks suppressed
Jun 26 04:07:06 devuan kernel: [ 1089.877530] python3[11624]: segfault at 18 ip 00007f220ee90af0 sp 00007ffe6ee2f6e8 error 4 in libgtk-3.so.0.2404.1[7f220ec4a000+352000]
Jun 26 04:07:06 devuan kernel: [ 1089.877543] Code: dc ff 48 8b 44 24 08 64 48 33 04 25 28 00 00 00 75 0f 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 64 e1 db ff 0f 1f 40 00 <48> 8b 47 18 48 8b 40 10 c3 0f 1f 80 00 00 00 00 53 48 8b 5f 18 48
#70 Re: Installation » SOLVED: Beowulf: quite good, but ...... » 2020-06-25 17:08:43
Kernel 4.19 boots fine. But, it is the 5.6 bpo that is having udev worker timing out.
#71 Re: Other Issues » [Solved] linux-5.6.0-0.bpo.2 stucks at "waiting for /dev.... udevd" » 2020-06-25 17:07:09
I tried to reproduce your problem and failed. Maybe it's because I'm testing in qemu instead of hardware, maybe it's specific to your hardware, and maybe it's specific to the version of openrc that you're using. I can't find that one. I'm using 0.40.3-1 in beowulf with the current 5.6 backports kernel.
Where did you get your version of openrc? (0.42-1~bpo10+1)
Hi, the problem is reproducible with openrc-0.40.3-1.
I have openRC rebuilt from ceres along with eudev, crda, wireless-regdb (needed for 5.6 kernel to work) also from the ceres. I did this, in the hope that udev worker timing out issue may be fixed in latest openrc, eudev packages. I captured the log while shutting down:
lspci and lsusb
https://paste.debian.net/1153837/
#72 Re: Installation » SOLVED: Beowulf: quite good, but ...... » 2020-06-25 11:22:08
With Beowulf, boot time takes almost 3 minutes due to udev waiting and time out. This happens with kernel 5.6 from beowuf-backports. I've posted here:https://dev1galaxy.org/viewtopic.php?pid=22907
No clues why this is happening.
#73 Re: Other Issues » [Solved] linux-5.6.0-0.bpo.2 stucks at "waiting for /dev.... udevd" » 2020-06-23 16:46:49
Almost 3 minutes of "waiting for /dev/ to be populated" before timing out. Cannot find the reason for udev worker time out with kernel 5.6. No issues with 4.19 kernel. Should I file a bug report (if beowulf-backports is supported). I have even eudev & co backported from ceres and installed in case if it's a udev issue.
Here is the result of "diff config-4.19.0-9-amd64 config-5.6.0-0.bpo.2-amd64"
https://paste.debian.net/1153509/
The following packages are locally rebuilt from ceres sources in the hope that the udevd issue may get fixed. It did not.
:~# apt list --installed |grep ,local
WARNING: apt does not have a stable CLI interface. Use with caution in scripts.
crda/now 4.14+git20191112.9856751-1~bpo10+1 amd64 [installed,local]
eudev/now 3.2.9-7~bpo10+2 amd64 [installed,local]
init-system-helpers/now 1.57+devuan1~bpo10+1 all [installed,local]
init/now 1.57+devuan1~bpo10+1 amd64 [installed,local]
libeinfo1/now 0.42-1~bpo10+1 amd64 [installed,local]
libeudev1/now 3.2.9-7~bpo10+2 amd64 [installed,local]
librc1/now 0.42-1~bpo10+1 amd64 [installed,local]
openrc/now 0.42-1~bpo10+1 amd64 [installed,local]
refind/now 0.12.0-1 amd64 [installed,local]
wireless-regdb/now 2020.04.29-1~bpo10+1 all [installed,local]
#74 Re: Other Issues » [Solved] linux-5.6.0-0.bpo.2 stucks at "waiting for /dev.... udevd" » 2020-06-21 11:56:34
System boots fine with kernel 4.19. But, with 5.6 (backport), udev is acting. I have a usb wireless adapter and usb bluetooth adapter in the desktop system. Both are working fine with 5.6 kernel also. But, seems like error and udev delaying due to these usb devices?
udev waits for 3 minutes approximately and times out. When, I shutdown the system, can see this error mssage:
Currently running processes (pstree):
init-*-rc--openrc---openrc-run---sendsigs---pstree
*-udevd---3*[udevd]
Killing all processes... : worker [xyzab] failed while handling '/devices/pci0000:00/0000:00:1c.3/0000:09:00:0/usb4/4-0'
udevd worker [xxxx] failed while handling '/devices/pci0000:00/0000:00:1c.3/0000:09:00:0/usb3/3-0:1-0'#75 Other Issues » [Solved] linux-5.6.0-0.bpo.2 stucks at "waiting for /dev.... udevd" » 2020-06-21 06:45:05
- Debuser2018
- Replies: 55
After installing new kernel, the on booting system is stuck for 2-3 minutes at "waiting for /dev to be fully populated... udevd[664]: speci.. known ". But, the kernel-5.6 boots after the delay.
I installed linux-image-5.6.0-0.bpo.2-amd64 in Beowulf. It removed crda and wireless-regdb packages when new kernel is installed. I have to install a newer version of crda package along with wireless-regdb from backports repo. I checked /var/log/messages for clue
# apt policy wireless-regdb
wireless-regdb:
Installed: 2019.06.03-1~bpo10+1# apt policy crda
crda:
Installed: 4.14+git20191112.9856751-1~bpo10+1This is the only lines I can find:
udevd[121]: starting version 3.2.7
[ 0.810367] random: udevd: uninitialized urandom read (16 bytes read)
[ 0.810408] random: udevd: uninitialized urandom read (16 bytes read)
[ 0.811452] udevd[122]: starting eudev-3.2.7
[ 0.821120] random: udevd: uninitialized urandom read (16 bytes read)UPDATE: Resolved it finally. The problem package is "modemmanger". This package installs new rules to /lib/udev/rules.d/ which interferes.
Another observation: I installed recently with debian-installer (devuan net-iso). Completed without installing kernel. Chrooted to the Devuan Beowulf install and installed linux-image-5.6.0-0.bpo.2-amd64. It removed crda and wireless-regdb packages. Gnome is working fine. I think modemmanager may be put into banned list or edit the script to fix the problems.
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