general problem -> Re: Fedora 16 and the 3.3.1-3 kernel




Am 23.04.2012 01:02, schrieb Bill Davidsen:
udevd[187]: timeout '/sbin/blkid -o udev -p /dev/sda3'
udevd[187]: timeout: killing '/sbin/blkid -o udev -p /dev/sda3' [332]
udevd[187]: timeout: killing '/sbin/blkid -o udev -p /dev/sda3' [332]
udevd[187]: '/sbin/blkid -o udev -p /dev/sda3' [332] terminated by signal 9
(Killed)
udevd[185]: timeout '/sbin/blkid -o udev -p /dev/dm-0'
udevd[185]: timeout: killing '/sbin/blkid -o udev -p /dev/dm-0' [385]
udevd[185]: '/sbin/blkid -o udev -p /dev/dm-0' [385] terminated by signal 9
(Killed)

I can say that the previous kernels boot just fine (3.3.0-8) and I have no
trouble with them. Any ideas on what I can look at? Maybe file a bug report?

I would try the current kernel first, 3.3.1-5, although I did not have any such problem as you report with 3.3.1-3,
x86_64.

no 3.3.1 is the current one, 3.3.2 is current

but the whole 3.3 line until now elaborates on the same problem
not at each boot, mostly only slower but terrible at all

https://bugzilla.redhat.com/show_bug.cgi?id=806548
https://bugzilla.redhat.com/show_bug.cgi?id=805317

i post a copy to the devel-list
maybe someone cosiders "CONFIG_RCU_FAST_NO_HZ=n" because
this is the change in 3.3 and seems to be the root cause
of all this troubles

my first bug report is now more than a month old and
there are built one kernel after the next with the
same problem

-------- Original-Nachricht --------
Betreff: Re: [systemd-devel] systemd / udev / kernel 3.3 / vmware
Datum: Sun, 22 Apr 2012 13:01:04 +0200
Von: Lennart Poettering <lennart@xxxxxxxxxxxxxx>
Organisation: Red Hat, Inc.
An: Reindl Harald <h.reindl@xxxxxxxxxxxxx>
Kopie (CC): Mailing-List systemd <systemd-devel@xxxxxxxxxxxxxxxxxxxxx>

On Sat, 21.04.12 13:25, Reindl Harald (h.reindl@xxxxxxxxxxxxx) wrote:

can someone please take a look at this F16 report?
https://bugzilla.redhat.com/show_bug.cgi?id=806548

* boot sometimes terrible slow
* randomly boot fails with udev crashing / timeout
* shutdown terrible slow
* partly also on physical machines but not sooo slow

since most of the boot time is consumed by udev and
the terrible slow shutdown of > 30 seconds happens
while unmounting "old..." i guess this is not only
the kernel

feels like interaction between kernel/udev/systemd

on shutdown / reboot i can randomly see each single
unmounting line for 1-2 seconds, this is odd

i have virtual machines which booted in 5-6 seconds
and are now degraded up to 1 minute

The bug report suggests this was about a kernel feature
(CONFIG_RCU_FAST_NO_HZ=y) and not related to systemd, no?

Lennart

--
Lennart Poettering - Red Hat, Inc.

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