[mythtv-users] NVP prebuffering pause

[Mark Hutchinson]

Here is the cat /proc/interupts output.  Looks OK I think?

            CPU0       CPU1
   0:        140          0   IO-APIC-edge      timer
   1:          2          0   IO-APIC-edge      i8042
   7:          0          0   IO-APIC-edge      parport0
   8:          0          0   IO-APIC-edge      rtc
   9:          0          0   IO-APIC-fasteoi   acpi
  12:          4          0   IO-APIC-edge      i8042
  16:       1000     125069   IO-APIC-fasteoi   uhci_hcd:usb3, nvidia
  17:        111      14813   IO-APIC-fasteoi   libata
  18:          2          0   IO-APIC-fasteoi   ehci_hcd:usb1,  
uhci_hcd:usb7
  19:      31546          0   IO-APIC-fasteoi   uhci_hcd:usb6, libata,  
libata, ohci1394
  21:       4639          0   IO-APIC-fasteoi   uhci_hcd:usb4, CMI8738- 
MC8
  23:          0          0   IO-APIC-fasteoi   ehci_hcd:usb2,  
uhci_hcd:usb5
2297:        116       2097   PCI-MSI-edge      eth1
NMI:          0          0
LOC:     476337     586527
ERR:          0

On 8-Feb-08, at 2:12 PM, Mircea Marghidanu wrote:

> Willy Boyd wrote:
>> On Feb 8, 2008 2:41 PM, Michael Rice <mikerice1969 at gmail.com> wrote:
>>
>>> On 2/8/08, Mark Hutchinson <mark at onnow.net> wrote:
>>>
>>>> OK, a bit more info perhaps would assist.
>>>>
>>>> It is all local, no NFS, 80 gig SATA drive, I see no real IO  
>>>> wait, 4
>>>> gigs ram, Core2duo 1.86 ghz ( too slow you think ) and I dont see  
>>>> much
>>>> load on the cpu.
>>>>
>>
>> This bit me right after I built my new BE/FE box that should (and is)
>> more than capable of playing HD.
>>
>> A couple things that come to mind:  tweaking mysql params to increase
>> some internal buffers and caches can make the difference (search this
>> list; if I remember I'll try to post mine later from home).  Along
>> those same lines, I see you have everything on one drive.  The  
>> current
>> recommendation is to have at least the database on a separate spindle
>> from the video storage.  Tuning those mysql params can go a long way
>> to help but you may still need to end up doing this no matter how
>> beefy the rest of the system is.  It can be something completely
>> unrelated, these are just the two things that bit me and took me the
>> longest to try.
>>
>> - Willy
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>
>
> You should also check your /proc/interrupts and see if the IRQ for  
> your
> soundcard is shared with something else...
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