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[vdr] Re: dvb threatening file system? [was Drop support for multiple video dirs?]
Am Dienstag, 7. Oktober 2003 09:23 schrieben Sie:
> But I never had any corrupt linux file systems in a row of computers,
> only in vdr, so Emils mail made me think.
> And there have been bugs with DMA transfer in the driver.
>
> Are there others with such problems?
Yes, i had some corruptions as well. I think it is related with bad hardware
in general...
The problem is, that usually the cpu and all other components are only tested
for a few minutes to run properly and not under all conditions. Vdr is
putting some stress on the system...
I mean - i put my new system under really big stress these days by running
lots of things in parallel (gentoo emerges, webbrowser, scanner, sound) and
got it crashed after some hours. Before that the compiler started to make
failures (it exited with segfaults). The latter are known for such problems,
especially if the compiler fails never at the same place. Other applications
did'nt show a slight sign that there might be something wrong, so it's quite
likely to overlook such problems.
Traced it down to the memory chips - they are PC133 but they do not run
properly at 133MHz (i tried single and double-sided ones and i heard Infineon
are good ones), sooner or later they fail. If that happens during some
file-system-action it's likely to create serious damage...
It seems that todays hardware is running to close to the limits - my mainboard
allows me to set the frequency in MHz steps, so i reduced it by 3 MHz (130
instead of 133) and anything is rock-solid.
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