On Sunday 02 April 2006 18:31, Uwe Thiem wrote: > Hi folks, > > Kernel is 2.6.14-r3. I am using splash and, probably ore important, a > background picture in a framebuffer on every virtual text console. > > A long download is running on one text console (ppp with an analogue > modem). I am in X and switch back text console to check on the download. > > Each and every tie I do that, the download rate drops and stalls while TX > on the modem goes on flickering. After a short while, stalling is over, the > download rate jumps to an insanely high value and eventually drops down to > the modem speed again. > > Usually that means an out-of-order package or a package got dropped because > it was corrupted. > > Now y curious questions: Does switching fro X to a text console with > framebuffer disturbs interrupt handling that badly that I get a buffer > overrun on the serial port the modem is attached to? From my point of view, > that is the most likely explanation. Anyone who actually knows what is > happening? > > Uwe > > -- > Why do consumers keep buying products they will live to curse?
From my experience switching to and from X will temporarily freeze your system and depending on the buffers in your modem you could get a buffer overflow there. I'm not why but I've noticed it aswell (for example while timing some stuff, there was a bit of a gap after switching) -- Rick van Hattem Rick.van.Hattem(at)Fawo.nl
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