Bug#989057: udev doesn't create /dev/fd symlink

[Mikulas Patocka]

On Mon, 24 May 2021, Michael Biebl wrote:

> Am 24.05.2021 um 21:26 schrieb Mikulas Patocka:
> 
> > Init: sysvinit (via /sbin/init)
> 
> systemd does create those symlinks.
> I was told, sysvinit (initscripts) would do the same.
> 
> Can you reproduce the issue with systemd as PID 1?

With systemd, the virtual machine doesn't boot at all:

[    0.000000] Linux version 5.10.0-7-amd64 (debian-kernel at lists.debian.org) (gcc-10 (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #1 SMP Debian 5.10.38-1 (2021-05-20)
...
[    4.104601] systemd[1]: Mounted POSIX Message Queue File System.
[  OK  106248] EXT4-fs (vda1): re-mounted. Opts: errors=remount-ro
0m] Mounted 107636] ext4 filesystem being remounted at / supports timestamps until 2038 (0x7fffffff)
1;39mPOSIX Message Queue File System.
[    4.111005] systemd[1]: sys-kernel-config.mount: Mount process exited, code=exited, status=32/n/a
[    4.113135] systemd[1]: sys-kernel-config.mount: Failed with result 'exit-code'.
[    4.117080] systemd[1]: Failed to mount /sys/kernel/config.
[FAILED] Failed to mount /sys/kernel/config.
See 'systemctl status sys-kernel-config.mount' for details.
[    4.119687] systemd[1]: Dependency failed for Local File Systems.
[DEPEND] Dependency failed for Local File Systems.
[    4.120938] systemd[1]: local-fs.target: Job local-fs.target/start failed with result 'dependency'.
[    4.121961] systemd[1]: local-fs.target: Triggering OnFailure= dependencies.
[    4.123401] systemd[1]: Unnecessary job for /dev/ttyS0 was removed.
...
[  OK  ] Finished Wait for network to be configured by ifupdown.
[  OK  ] Reached target Network is Online.
You are in emergency mode. After logging in, type "journalctl -xb" to view
system logs, "systemctl reboot" to reboot, "systemctl default" or "exit"
to boot into default mode.
Pro zah?jen? ?dr?by je t?eba zadat heslo u?ivatele root
(nebo stiskn?te Control-D, abyste pokra?ovali): [    5.248793] memmap_init_zone_device initialised 16777216 pages in 420ms
[    5.314247] powernow_k8: Power state transitions not supported
[    5.315583] powernow_k8: Power state transitions not supported
[    5.317332] powernow_k8: Power state transitions not supported
[    5.318399] powernow_k8: Power state transitions not supported
[    5.319780] powernow_k8: Power state transitions not supported
[    5.320470] powernow_k8: Power state transitions not supported
[    5.321808] powernow_k8: Power state transitions not supported
[    5.322814] powernow_k8: Power state transitions not supported
[    5.323401] powernow_k8: Power state transitions not supported
[    5.324588] powernow_k8: Power state transitions not supported
[    5.326584] powernow_k8: Power state transitions not supported
[    5.327963] powernow_k8: Power state transitions not supported
[    5.331546] has_svm: can't execute cpuid_8000000a
[    5.331999] kvm: no hardware support
[    5.505193] powernow_k8: Power state transitions not supported
[    5.507146] powernow_k8: Power state transitions not supported
[    5.508985] powernow_k8: Power state transitions not supported
[    5.510166] powernow_k8: Power state transitions not supported
[    5.511310] powernow_k8: Power state transitions not supported
[    5.512435] powernow_k8: Power state transitions not supported
[    5.513593] powernow_k8: Power state transitions not supported
[    5.514754] powernow_k8: Power state transitions not supported
...

it says that it's waiting for root password, but it locks up.

Mikulas