Messages in this thread | | | Date | Tue, 19 Jan 2016 10:01:42 +0100 | From | Peter Zijlstra <> | Subject | Re: [RFC] CONFIG_FORCE_MINIMALLY_SANE_CONFIG=y (was: Re: [RFC PATCH] x86/kconfig: Sanity-check config file during oldconfig) |
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On Tue, Jan 19, 2016 at 09:20:22AM +0100, Ingo Molnar wrote: > + # newer systemd silently relies on the presence of the epoll system call: > + select EPOLL > + select ANON_INODES > + > + # newer systemd silently hangs durig early init without these: > + select PROC_SYSCTL > + select SYSCTL > + select POSIX_MQUEUE > + select POSIX_MQUEUE_SYSCTL > + > + # systemd needs this syscall: > + select FHANDLE > + > + # systemd needs devtmpfs: "systemd[1]: Failed to mount devtmpfs at /dev: No such device" > + select DEVTMPFS > + > + # systemd needs tmpfs: "systemd[1]: Failed to mount tmpfs at /sys/fs/cgroup: No such file or directory" > + select SHMEM > + select TMPFS > + > + # systemd needs timerfd syscalls: "[ 8.198625] systemd[1]: Failed to create timerfd: Function not implemented^" > + select TIMERFD > + > + # systemd needs signalfd support: "[ 45.536725] systemd[1]: Failed to allocate manager object: Function not implemented" > + select SIGNALFD > + > + # systemd hangs during bootup without cgroup support: > + select CGROUPS > + > + # systemd fails during bootup without this option, with a nonsensical message: "[DEPEND] Dependency failed for File System Check on /dev/sda1." > + select FILE_LOCKING > + > + # systemd fails during bootup without this option: > + select FSNOTIFY > + select INOTIFY_USER
> And yes, many of these options are members of the 'SystemD debuggability Hall Of > Shame'... It cost me many, many days of painful config-bisection to figure the > often obscure dependencies out, so we might as well upstream this information. > > Many braincells died to bring us this information!
So why not group those under CONFIG_SYSTEMD_BLOWS? I still dont have a machine with that turd on.
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