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Pi-Hole Web GUI Failing After Upgrade to 6.24.1 #2871

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5oundless opened this issue May 29, 2019 · 5 comments
Closed

Pi-Hole Web GUI Failing After Upgrade to 6.24.1 #2871

5oundless opened this issue May 29, 2019 · 5 comments
Labels
Known Issue 🐛 Workaround available 🆗 Workaround is available/has been implemented, but a definite solution should be found when possible.
Milestone
v6.25

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@5oundless
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5oundless commented May 29, 2019 •
edited by MichaIng
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Creating a bug report/issue

Required Information

  • DietPi version | 6.24.1
  • Distro version | 9.9
  • Kernel version | Linux RaspADB 4.19.42-v7+ General | Update VM images to Stretch #1219 SMP Tue May 14 21:20:58 BST 2019 armv7l GNU/Linux
  • SBC device | RPi 3 Model B+ (armv7l)
  • Power supply used | CanaKit 2.5A USB Power Supply with Micro USB Cable
  • SDcard used | Sandisk 32gb

Additional Information (if applicable)

  • Software title | Pi-Hole
  • Was the software title installed freshly or updated/migrated? Updated
  • Can this issue be replicated on a fresh installation of DietPi? Unsure. Uninstall and reinstall of Lighttpd from dietpi-software did not resolve.
  • Bug report ID | 1f4f3e56-0781-4783-8262-567cc9b5e6df

Expected behaviour

  • Pi-Hole webpage should load.

Actual behaviour

  • 503 - Service Not Available

Extra details

- root@RaspADB:~# dietpi-services status pihole-FTL
[  OK  ] DietPi-Services | Root access verified.

 DietPi-Services
─────────────────────────────────────────────────────
 Mode: status

[FAILED] DietPi-Services | php7.3-fpm	failed (Result: timeout) since Tue 2019-05-28 20:28:52 CDT; 22h ago
● php7.3-fpm.service - The PHP 7.3 FastCGI Process Manager
   Loaded: loaded (/lib/systemd/system/php7.3-fpm.service; disabled; vendor preset: enabled)
   Active: failed (Result: timeout) since Tue 2019-05-28 20:28:52 CDT; 22h ago
     Docs: man:php-fpm7.3(8)
  Process: 1008 ExecStart=/usr/sbin/php-fpm7.3 --nodaemonize --fpm-config /etc/php/7.3/fpm/php-fpm.conf (code=killed, signal=TERM)
 Main PID: 1008 (code=killed, signal=TERM)

May 28 20:27:22 RaspADB systemd[1]: Starting The PHP 7.3 FastCGI Process Manager...
May 28 20:28:52 RaspADB systemd[1]: php7.3-fpm.service: Start operation timed out. Terminating.
May 28 20:28:52 RaspADB systemd[1]: Failed to start The PHP 7.3 FastCGI Process Manager.
May 28 20:28:52 RaspADB systemd[1]: php7.3-fpm.service: Unit entered failed state.
May 28 20:28:52 RaspADB systemd[1]: php7.3-fpm.service: Failed with result 'timeout'.
[  OK  ] DietPi-Services | lighttpd	active (running) since Tue 2019-05-28 20:28:52 CDT; 22h ago
[  OK  ] DietPi-Services | plexmediaserver	active (running) since Tue 2019-05-28 20:28:53 CDT; 22h ago
[  OK  ] DietPi-Services | cron	active (running) since Tue 2019-05-28 20:28:53 CDT; 22h ago
[  OK  ] DietPi-Services | dropbear	active (running) since Tue 2019-05-28 20:27:20 CDT; 22h ago
[  OK  ] DietPi-Services | pihole-FTL	active (exited) since Wed 2019-05-29 00:17:03 CDT; 18h ago
[  OK  ] DietPi-Services | vncserver	active (exited) since Tue 2019-05-28 20:27:20 CDT; 22h ago
[  OK  ] DietPi-Services | xrdp	active (running) since Tue 2019-05-28 20:27:21 CDT; 22h ago
[  OK  ] DietPi-Services | dietpi-ramdisk	active (exited) since Tue 2019-05-28 20:26:58 CDT; 22h ago
[  OK  ] DietPi-Services | dietpi-ramlog	active (exited) since Tue 2019-05-28 20:26:58 CDT; 22h ago
[  OK  ] DietPi-Services | dietpi-preboot	active (exited) since Tue 2019-05-28 20:27:08 CDT; 22h ago
[  OK  ] DietPi-Services | dietpi-boot	active (exited) since Tue 2019-05-28 20:27:20 CDT; 22h ago
[  OK  ] DietPi-Services | dietpi-postboot	active (exited) since Tue 2019-05-28 20:27:20 CDT; 22h ago
[ INFO ] DietPi-Services | dietpi-wifi-monitor	inactive (dead)
root@RaspADB:~#
@MichaIng
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MichaIng commented May 29, 2019 •
edited
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@5oundless
Many thanks for your report.

php7.3-fpm.service: Start operation timed out. Terminating.

Can you please paste: dmesg | grep random
And check whether systemctl restart php7.3-fpm finally succeeds but takes very long.

Possibly related: #2806

@5oundless
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root@RaspADB:~# dmesg | grep random
[    0.000000] random: get_random_bytes called from start_kernel+0xac/0x4b4 with crng_init=0
[    1.183935] random: fast init done
[    2.021792] random: systemd: uninitialized urandom read (16 bytes read)
[    2.030315] random: systemd: uninitialized urandom read (16 bytes read)
[    2.149510] random: systemd-sysv-ge: uninitialized urandom read (16 bytes read)
[  164.463690] random: crng init done
[  164.463703] random: 7 urandom warning(s) missed due to ratelimiting
root@RaspADB:~# systemctl restart php7.3-fpm
root@RaspADB:~# systemctl status php7.3-fpm
● php7.3-fpm.service - The PHP 7.3 FastCGI Process Manager
   Loaded: loaded (/lib/systemd/system/php7.3-fpm.service; disabled; vendor preset: enabled)
   Active: active (running) since Wed 2019-05-29 18:50:12 CDT; 8s ago
     Docs: man:php-fpm7.3(8)
 Main PID: 31032 (php-fpm7.3)
   Status: "Ready to handle connections"
   CGroup: /system.slice/php7.3-fpm.service
           ├─31032 php-fpm: master process (/etc/php/7.3/fpm/php-fpm.conf)
           ├─31033 php-fpm: pool www
           ├─31034 php-fpm: pool www
           ├─31035 php-fpm: pool www
           └─31036 php-fpm: pool www

May 29 18:50:11 RaspADB systemd[1]: Starting The PHP 7.3 FastCGI Process Manager...
May 29 18:50:12 RaspADB systemd[1]: Started The PHP 7.3 FastCGI Process Manager.
root@RaspADB:~# dietpi-services status pihole-FTL
[  OK  ] DietPi-Services | Root access verified.

 DietPi-Services
─────────────────────────────────────────────────────
 Mode: status

[  OK  ] DietPi-Services | php7.3-fpm	active (running) since Wed 2019-05-29 18:50:12 CDT; 15s ago
[  OK  ] DietPi-Services | lighttpd	active (running) since Tue 2019-05-28 20:28:52 CDT; 22h ago
[  OK  ] DietPi-Services | plexmediaserver	active (running) since Tue 2019-05-28 20:28:53 CDT; 22h ago
[  OK  ] DietPi-Services | cron	active (running) since Tue 2019-05-28 20:28:53 CDT; 22h ago
[  OK  ] DietPi-Services | dropbear	active (running) since Tue 2019-05-28 20:27:20 CDT; 22h ago
[  OK  ] DietPi-Services | pihole-FTL	active (exited) since Wed 2019-05-29 00:17:03 CDT; 18h ago
[  OK  ] DietPi-Services | vncserver	active (exited) since Tue 2019-05-28 20:27:20 CDT; 22h ago
[  OK  ] DietPi-Services | xrdp	active (running) since Tue 2019-05-28 20:27:21 CDT; 22h ago
[  OK  ] DietPi-Services | dietpi-ramdisk	active (exited) since Tue 2019-05-28 20:26:58 CDT; 22h ago
[  OK  ] DietPi-Services | dietpi-ramlog	active (exited) since Tue 2019-05-28 20:26:58 CDT; 22h ago
[  OK  ] DietPi-Services | dietpi-preboot	active (exited) since Tue 2019-05-28 20:27:08 CDT; 22h ago
[  OK  ] DietPi-Services | dietpi-boot	active (exited) since Tue 2019-05-28 20:27:20 CDT; 22h ago
[  OK  ] DietPi-Services | dietpi-postboot	active (exited) since Tue 2019-05-28 20:27:20 CDT; 22h ago
[ INFO ] DietPi-Services | dietpi-wifi-monitor	inactive (dead)
root@RaspADB:~#

@MichaIng thanks for the quick help!

systemctl restart php7.3-fpm worked immediately. However, after rebooting, the service was failed again. This time, running systemctl restart php7.3-fpm took 1-2 minutes.

With that said, this resolves the issue with the Pi-Hole GUI loading, but looks like it will require me to restart php7.3-fpm after each boot. Which is manageable.

@MichaIng
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MichaIng commented May 30, 2019 •
edited
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@5oundless
Please try: G_AGI haveged
As of the linked issue, some users experience hanging boot and/or PHP-FPM start timing out due to empty entropy pool. An issue that seems to have become more popular with recent Debian and/or systemd changes, especially on systems without peripheral attached. The above package is a daemon that assures a filled entropy pool from early boot on.

If this indeed helps in your case as well, so boot as quick as expected and PHP up after boot + restart being fast, could you send a dietpi-bugreport and paste the ID here please? I want to collect info about which kind of systems are affected by this. Perhaps this helps even fixing the issue Debian-side or at least we know where we should auto-install the package with next DietPi-Update.

@5oundless
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It looks like haveged resolved the issue. Boot was faster and no issue with PHP this time.

dietpi-bugreport [ OK ] DietPi-Bugreport | Root access verified. [ OK ] DietPi-Bugreport | RootFS R/W access verified. [ INFO ] DietPi-Bugreport | Packing upload archive, please wait... [ OK ] DietPi-Bugreport | Connection test: ssh.dietpi.com [ OK ] DietPi-Bugreport | Bug report sent, reference code: 1f4f3e56-0781-4783-8262-567cc9b5e6df

@MichaIng MichaIng added Workaround available 🆗 Workaround is available/has been implemented, but a definite solution should be found when possible. Known Issue 🐛 and removed Investigating 🤔 labels May 30, 2019
@MichaIng MichaIng added this to the v6.25 milestone May 30, 2019
@MichaIng MichaIng mentioned this issue May 30, 2019
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@MichaIng
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@5oundless
Okay bug report received and marked. Many thanks!

I mark this issue as closed now in favour of the other one to further investigate how to deal with this in general.

Feel free to reopen if required.

@MichaIng MichaIng mentioned this issue Jun 30, 2019
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