Re: A strange thing with yesterday's head..

On Mon, Feb 1, 2010 at 11:24 PM, Brandon Gooch
<jamesbrandongooch_at_gmail.com> wrote:
> On Mon, Feb 1, 2010 at 4:04 PM, Giovanni Trematerra
> <giovanni.trematerra_at_gmail.com> wrote:
>> On Fri, Jan 29, 2010 at 9:12 PM, Brandon Gooch
>> <jamesbrandongooch_at_gmail.com> wrote:
>>> On Fri, Jan 29, 2010 at 3:44 PM, Giovanni Trematerra
>>> <giovanni.trematerra_at_gmail.com> wrote:
>>>> On Thu, Jan 28, 2010 at 10:55 PM, Randall Stewart <rrs_at_lakerest.net> wrote:
>>>>> I was running SCHED_ULE on an 8.0 and everything works
>>>>> fine.
>>>>>
>>>>> On my 2 core head of yesterday I tried both SCHED_ULE AND
>>>>> 4BSD.. and got the same results ;-0
>>>>>
>>>>> I will try my 4 core when I get home ;-)
>>>>>
>>>>> R
>>>>> On Jan 28, 2010, at 11:15 AM, Gary Jennejohn wrote:
>>>>>
>>>>>> On Thu, 28 Jan 2010 10:30:37 -0800
>>>>>> Randall Stewart <rrs_at_lakerest.net> wrote:
>>>>>>
>>>>>>> All:
>>>>>>>
>>>>>>> I just found a very strange thing with yesterdays head.
>>>>>>>
>>>>>>> The program
>>>>>>>
>>>>>>> http://www.freebsd.org/~rrs/my_thr.c
>>>>>>>
>>>>>>> I compile it:
>>>>>>>
>>>>>>> cc -g -o my_thr my_thr.c /usr/lib/libthr.a -lpthread
>>>>>>>
>>>>
>>>> Hi Randal,
>>>> I tried your code on an 8-core machine with a fresh head (i386)
>>>> I have no problems with both 4BSD and ULE scheduler.
>>>> I even upping the value of macro NUM_THREAD to 24 but I didn't notice
>>>> nothing strange.
>>>>
>>>> Have you got a chance to reproduce it on your machines?
>>>>
>>>> --
>>>> Gianni
>>>> _______________________________________________
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>>>>
>>>
>>> I ran it on my dual-core, 8-STABLE/ULE laptop. The very first time I
>>> ran it, I experienced the temporary "seizure". It took several more
>>> runs before I could get it to happen again.
>>>
>>
>> Hi Brandon,
>> which kind of processor your laptop has? AMD or Intel?
>> --
>> Gianni
>>
>
> CPU: Intel(R) Core(TM)2 Duo CPU     L7100  _at_ 1.20GHz (1197.01-MHz K8-class CPU)
>  Origin = "GenuineIntel"  Id = 0x6fb  Stepping = 11
>  Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
>  Features2=0xe3bd<SSE3,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM>
>  AMD Features=0x20100800<SYSCALL,NX,LM>
>  AMD Features2=0x1<LAHF>
>  TSC: P-state invariant
>
> -Brandon
>

Hi, all
I cannot reproduce the issue at least on 8.0-RELEASE.
Can you please update to r203414 and give it a try?

Thank you.

--
Gianni