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Re: [Xen-devel] IVTV and xen: silent intermittent failures reading from
| To: | Dan Schmick <dschmick@xxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] IVTV and xen: silent intermittent failures reading from /dev/video0 |
| From: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> |
| Date: | Sat, 20 Jan 2007 08:52:36 +0000 |
| Delivery-date: | Sat, 20 Jan 2007 00:52:38 -0800 |
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| Thread-topic: | [Xen-devel] IVTV and xen: silent intermittent failures reading from /dev/video0 |
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On 20/1/07 3:30 am, "Dan Schmick" <dschmick@xxxxxxxxxxxx> wrote:My recordings 'hiccup' every 2-10 minutes or so. The hiccup is a jump in the recording of probably just a few seconds. I believe that mythtv detects that reading from the device has failed and restarts the read. These interruptions are annoying but I don't have a machine to dedicate to this purpose, so I'm stuck with them. If there's anything that I can do to help diagnose this problem please let me know. What happens if you pin the ivtv domain to a CPU that no other domains run on? E.g., ivtv on cpu1 and all others on cpu0? Perhaps preemption latency is an issue. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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