Bug 90387 - RFE: Improve error reporting when CONFIG_FHANDLE kernel config not enabled
Summary: RFE: Improve error reporting when CONFIG_FHANDLE kernel config not enabled
Status: NEW
Alias: None
Product: systemd
Classification: Unclassified
Component: general (show other bugs)
Version: unspecified
Hardware: All Linux (All)
: medium normal
Assignee: systemd-bugs
QA Contact: systemd-bugs
Depends on:
Reported: 2015-05-10 11:18 UTC by Erik de Castro Lopo
Modified: 2016-06-10 12:49 UTC (History)
0 users

See Also:
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Description Erik de Castro Lopo 2015-05-10 11:18:46 UTC
Spent 6+ hours debugging why an Arm board that that I installed Debian on wasn't booting. In the end it turned out that /home and swap were not mounting because the kernel for this board did not have CONFIG_FHANDLE enabled.

If a Linux kernel has a /proc/config.gz psuedo file it would be trivial to search that for kernel config items that systemd depends on.
Comment 1 Erik de Castro Lopo 2015-05-10 11:31:13 UTC
Somewhere deep in the internals of systemd some system call must have been failing because of the lack of the CONFIG_FHANDLE feature. That failure should have been reported up the stack.
Comment 2 Lennart Poettering 2015-05-11 10:08:58 UTC
Please see README before building systemd or the kernel for the use with systemd. This is documented there. When building such a low-level component it's essential to read what's documented there.
Comment 3 Erik de Castro Lopo 2015-05-11 10:22:10 UTC
I did *not* build systemd from source and hence did not read the readme.

I had an Ubuntu 14.04 install for this board (Odroid xu3) on a micro SD card and from that setup I used debootstrap to install Debian on an SSD drive, using the kernel from Ubuntu.

Seeing as I installed systemd as a package (along with over 100 other packages), at what point would I read the readme file that ships in the source code tarball?

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