[systemd-devel] systemd-udevd: excessive I/O usage

[Kay Sievers]

On Mon, Jun 4, 2012 at 10:52 PM, Kok, Auke-jan H
<auke-jan.h.kok at intel.com> wrote:
> On Mon, Jun 4, 2012 at 1:48 PM, Peeters Simon <peeters.simon at gmail.com> wrote:
>> well, here it is, it does not really show the I/O activity the old one
>> shows (it seems like this one only shows throughput)
>
> -ENOATTACHMENT
>
>> between 9 and 15 seconds almost nothing seems to happen, almost no
>> cpu, almost no I/O throughput, only the sound of my harddisk seeking
>> the whole time, could it be because udev spawns so many children that
>> want access to the disk simultaneously?
>
> unlikely, your disks are probably being fsck'd or something, but,
> attaching the graph will help us determine :)

There is a suspicious mount(8).

Also:
  systemd-analyze blame
could show what's going on.

Kay