[systemd-devel] is the watchdog useful?

Zbigniew Jędrzejewski-Szmek zbyszek at in.waw.pl
Thu Oct 24 10:45:32 UTC 2019


On Tue, Oct 22, 2019 at 04:35:13AM -0700, Vito Caputo wrote:
> On Tue, Oct 22, 2019 at 10:51:49AM +0000, Zbigniew Jędrzejewski-Szmek wrote:
> > On Tue, Oct 22, 2019 at 12:34:45PM +0200, Umut Tezduyar Lindskog wrote:
> > > I am curious Zbigniew of how you find out if the coredump was on a starved
> > > process?
> > 
> > A very common case is systemd-journald which gets SIGABRT when in a
> > read() or write() or similar syscall. Another case is when
> > systemd-udevd workers get ABRT when doing open() on a device.
> > 
> 
> In the case of journald, is it really in read()/write() syscalls you're
> seeing the SIGABRTs?

I was sloppy here — it's not read/write, but various other syscalls.
In particular clone(), which makes sense, because it involves memory
allocation.

Zbyszek


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