[Asterisk-Users] Re: hfc-s card, brii-stuff.0.1.0-RC4a, zaphfc:sync lost, pci performance too low. you might have some cpu throtteling enabled.

Sat Jul 23 17:02:21 MST 2005

Hi Terry,

thanks for the info - might - so shall get an Intel board/cpu
combination or a quadbri card - or might it be the case, that the 2400+
athlon xp is running only as 1800+ cause I didn't update the mainboard bios?

yours,
Alex

Terry Wade wrote:
> Spoke to Klaus-Peter about this PCI performance issue. He says it has to do
> with the CPU not supporting cpufreq stepping. I had to get a quad card to
> get the issue resolved. 
> 
> 
> -----Original Message-----
> From: asterisk-users-bounces at lists.digium.com
> [mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of Alexander
> Szlezak
> Sent: 17 July 2005 11:43 PM
> To: Asterisk Users Mailing List - Non-Commercial Discussion
> Subject: Re: [Asterisk-Users] Re: hfc-s card, brii-stuff.0.1.0-RC4a,
> zaphfc:sync lost,pci performance too low. you might have some cpu
> throtteling enabled.
> 
> HI Hartmut,
> 
> I do have the same problem as you decribed earlier. The Billion HFC 
> Cards (two of them) work flawlessly in my old Pentium II, but in my more 
> powerful Athlon XP 2400+ (Via KT400 Chipset), I allways get the "pci 
> performance too low" message and syslog kills the system.
> 
> I'll try it now with commenting out the message. Do you know anything 
> more in the meantime. Did Mr. Junghanns have any statement about it? I 
> wonder if chan_mISDN is a better choice by now?
> 
> Thanks for any advice you might have!
> 
> yours,
> Alexander
> 
> Hartmut Wahl wrote:
> 
>>Hello, 
>>
>>I have investigated the issue a bit further, I was not able to find the
>>root cause, maybe it is the KT133 Chipset of my ASUS A7V. However I
>>found a bad hack to make it work under some circumstances. I commented
>>out the line:
>>
>>printk(KERN_CRIT "zaphfc: sync lost, pci performance too low. you might
>>have some cpu throtteling enabled.\n");
>>
>>in zaphfc/zaphfc.c. Since when this situation happened once, the syslog
>>started and this caused the situation again -> endless loop with high
>>sysload. Now the sync lost happens probably every now and then but it
>>does not go into an endless loop.
>>
>>I also recognized that I must not run setiathome since then the audio
>>quality of connections via the hfc-card will suffer (crackling).
>>Amazingly cpuburn (takes every cpu-Time it gets as well) does not have
>>this effect. I have no idea what strange things setiathome does to cause
>>this but it reminds me of a sound card problem on this board. My SB-Live 
>>had crackling when I ran setiathome but I think with a newer driver 
>>(and ALSA I think) this problem was gone.
>>
>>Things that did not help:
>>- Trying to change the latency (is fixed to 16 and cannot be changed)
>>- Trying to change the latency of my other pci-devices (much higher and
>>  much lower).
>>- Playing around with BIOS Options like delayed transaction, etc.
>>- Changing PCI-slots
>>- Making sure that the ISDN-card did not share the IRQ 
>>- Having only the ISDN-card and the Video-card in the System
>>
>>Hope that helps others who encounter this problem as well
>> Hartmut
>>
>>On Sat, Sep 11, 2004 at 12:55:21PM +0200, Hartmut Wahl wrote:
>>
>>
>>>Hi!
>>>
>>>On Sat, Sep 11, 2004 at 10:38:48AM +0200, Maurizio Marini wrote:
>>>
>>>
>>>>my machine did hangup as growing logs fullfilled partition
>>>
>>>hmm I see, mine is 8G, but it has gronwn from 0.5G to 2.0G
>>>
>>>
>>>
>>>>it does apply to asterisk, not to zaphfc :(
>>>>it was a misleading suggestion, so
>>>>i solved it installing in an other more powerful machine:
>>>>
>>>>processor       : 0
>>>>vendor_id       : GenuineIntel
>>>>cpu family      : 6
>>>>model           : 8
>>>>model name      : Pentium III (Coppermine)
>>>>stepping        : 10
>>>>cpu MHz         : 999.556
>>>>cache size      : 256 KB
>>>>fdiv_bug        : no
>>>>hlt_bug         : no
>>>>f00f_bug        : no
>>>>coma_bug        : no
>>>>fpu             : yes
>>>>fpu_exception   : yes
>>>>cpuid level     : 2
>>>>wp              : yes
>>>>flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
> 
> mca 
> 
>>>>cmov pat pse36 mmx fxsr sse
>>>>bogomips        : 1957.88
>>>>
>>>>with this hw i've no issues at all; even strange messages i complained
> 
> about 
> 
>>>>in my previous posts like:
>>>
>>>ok we are getting closer, although speed shouldn't be a problem:
>>>
>>>vendor_id       : AuthenticAMD
>>>model name      : AMD Athlon(tm) Processor
>>>stepping        : 4
>>>cpu MHz         : 1059.618
>>>cache size      : 256 KB
>>>bogomips        : 2097.15
>>>
>>>it is a 1,4GHz underclocked, since my ASUS A7V with KT133 does only
>>>support 100MHz FSB, but it requires only slow and quite fans.
>>>
>>>I think I'll try different kernels maybe something in the Debian
>>>k7-kernel-image interferes.
>>>
>>>Greetings
>>> Hartmut
>>>
>>
>>
> _______________________________________________
> Asterisk-Users mailing list
> Asterisk-Users at lists.digium.com
> http://lists.digium.com/mailman/listinfo/asterisk-users
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-users
> 
> _______________________________________________
> Asterisk-Users mailing list
> Asterisk-Users at lists.digium.com
> http://lists.digium.com/mailman/listinfo/asterisk-users
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-users
> 
> 