1 |
Am 06.12.2010 00:54, schrieb Bill Longman: |
2 |
> |
3 |
> |
4 |
> Hmm, I just noticed that something is not right here: Everything works |
5 |
> fine as long as I limit the cgroups to cpu scheduling (`mount -t cgroup |
6 |
> cgroup /dev/cgroup -o cpu`). As soon as I add the blkio subsystem for |
7 |
> disk I/O scheduling ("-o cpu,blkio" or no "-o" at all), I can no longer |
8 |
> create cgroup hierarchies. Only the top level "user" cgroup is accepted. |
9 |
> |
10 |
> Another issue is that the kernel documentation in |
11 |
> /usr/src/linux/Documentation/cgroups/cgroups.txt specifies that the |
12 |
> release_agent can also be included as a mount option with |
13 |
> `mount -t cgroup cgroup /dev/cgroup -o |
14 |
> cpu,release_agent='/usr/local/sbin/cgroup_clean'` |
15 |
> That seems to be no valid option, though. At least on my system it |
16 |
> causes mount to fail. Unfortunately there is no output on dmesg. |
17 |
> |
18 |
> Can someone else reproduce this? I'm on gentoo-sources-2.6.34-r12. |
19 |
> |
20 |
> |
21 |
> I had this very same problem when I was trying this last year, Florian. |
22 |
> I didn't pursue it any further so I can't tell you any solutions. I do |
23 |
> remember it though because it was quite frustrating. |
24 |
> |
25 |
> -- |
26 |
> Bill Longman |
27 |
|
28 |
Thanks for the answer! |
29 |
|
30 |
I think I've found the answer, at least for the first issue: Look at |
31 |
this bug: https://bugzilla.kernel.org/show_bug.cgi?id=15980 |
32 |
|
33 |
I still don't know what causes the second issue. |
34 |
|
35 |
Regards, |
36 |
Florian Philipp |