linux-kernel - Re: [ANNOUNCE] 3.0.6-rt17

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 07 Oct 2011 16:05:42 -0700
From:	Fernando Lopez-Lezcano <nando@...ma.Stanford.EDU>
To:	Thomas Gleixner <tglx@...utronix.de>
CC:	LKML <linux-kernel@...r.kernel.org>,
	linux-rt-users <linux-rt-users@...r.kernel.org>,
	Fernando Lopez-Lezcano <nando@...ma.Stanford.EDU>
Subject: Re: [ANNOUNCE] 3.0.6-rt17

On 10/07/2011 03:02 PM, Thomas Gleixner wrote:
> On Fri, 7 Oct 2011, Fernando Lopez-Lezcano wrote:
>> On 10/07/2011 10:25 AM, Fernando Lopez-Lezcano wrote:
>>> On 10/06/2011 06:15 PM, Thomas Gleixner wrote:
>>>> I'm pleased to announce the 3.0.6-rt17 release.
>>>
>>> Hi and thanks again. So far this one is not hanging which is very good
>>> news. But I still see the hrtimer_fixup_activate warnings I reported for
>>> rt16...
>>
>> I tried rt17 on my workstation and it froze after a few minutes (quad core
>> intel based desktop). Reset button freeze. Then I set up my serial console and
>> tried it out. I could not get it to freeze permanently but I got _many_
>> hrtimer_fixup_activate warnings and while the console is sending those the
>> gnome interface freezes (this is on fc14). So it is not very usable for
>> debugging...
>>
>> Just tried again after another reboot (@ 115200 baud) and it worked for a
>> while. Then it started spewing messages again and it is again unusable. I'm
>> attaching a trace of what was sent to the serial console while the machine
>> froze temporarily.
>
> Does adding nohz=off to the kernel commandline solve it?
>
> You probably posted your .config before, but could you please send it
> again (private mail is fine).

(config sent privately)

"nohz=off" makes the warnings disappear! It appears to work normally but 
it has not been long :-)

-- Fernando
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/