A strange thing with yesterday's head..

[Brandon Gooch]

On Wed, Feb 3, 2010 at 1:20 AM, Giovanni Trematerra
<giovanni.trematerra at gmail.com> wrote:
> 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
>>>>> _______________________________________________
>>>>> freebsd-current at freebsd.org mailing list
>>>>> http://lists.freebsd.org/mailman/listinfo/freebsd-current
>>>>> To unsubscribe, send any mail to "freebsd-current-unsubscribe at freebsd.org"
>>>>>
>>>>
>>>> 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  @ 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
>

Just tried it again (a few times) at r203430, with similar results.

-Brandon