From: Andrew Gaylard <ag@computer.org>
To: gentoo-alpha@lists.gentoo.org
Subject: Re: [gentoo-alpha] Re: udev-208 eats CPU
Date: Fri, 14 Feb 2014 11:27:17 +0200 [thread overview]
Message-ID: <52FDE175.2040702@computer.org> (raw)
In-Reply-To: <yw1xha846qb9.fsf@unicorn.mansr.com>
On 02/12/14 22:15, Måns Rullgård wrote:
> Andrew Gaylard <ag@computer.org> writes:
>
>> On 01/19/14 01:20, Matt Turner wrote:
>>> On Sun, Jan 12, 2014 at 12:33 PM, Andrew Gaylard <ag@computer.org> wrote:
>>>> Hi,
>>>>
>>>> I have just upgraded to the latest build of udev (208) on my Alpha box.
>>>> It appears to run at 100% of CPU. When I enable debugging, I get these
>>>> lines in /var/log/messages:
>>>>
>>>> unable to receive ctrl connection: Function not implemented
>>>>
>>>> This appears to be due to the lack of the accept4 call.
>>>>
>>>> However, my kernel is gentoo-sources-3.10.7 and my glibc is 2.17,
>>>> so I'd expect this call to be there.... Right?
>>> Yes, as Alan said accept4 has been supported in the kernel since v3.2.
>>>
>>> I'm running udev-208 on a couple of alphas without trouble, so this
>>> problem should be fixable.
>>>
>>> Is it possible that your glibc was built against linux-headers older
>>> than v3.2? Seems unlikely, but it's probably the first thing I'd
>>> check.
>> Yup, you were right. I had sys-kernel/linux-headers 2.6.<something>.
>> Upgrading that to 3.9 and then rebuilding glibc and udev fixed it.
>>
>> Thanks!
>>
>> I'm a bit puzzled why "emerge -uva @system" and "emerge -uva @world"
>> didn't automatically upgrade linux-headers. I had to explicitly request it.
>> But hey, it's working now...:)
> Try adding -D to those flags. That usually does the trick.
>
Oh wow. This box was installed with Gentoo back in 2005.
There's a *lot* to catch up! This'll build for a while...:)
Thanks a lot for the tip -- it definitely does the trick.
--
Andrew Gaylard
prev parent reply other threads:[~2014-02-14 9:27 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-12 20:33 [gentoo-alpha] udev-208 eats CPU Andrew Gaylard
2014-01-13 8:13 ` [gentoo-alpha] " Andrew Gaylard
2014-01-14 1:53 ` Alan Young
2014-01-18 23:20 ` [gentoo-alpha] " Matt Turner
2014-02-12 17:48 ` Andrew Gaylard
2014-02-12 20:15 ` [gentoo-alpha] " Måns Rullgård
2014-02-14 9:27 ` Andrew Gaylard [this message]
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