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From: Pavel Machek on 5 Mar 2010 16:30
Hi!

I'm getting way too many bit errors on spitz, with various
kernels.

It may be tied to network usage (bluetooth or wifi?). It happens even
on AC power.
Pavel


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From: Eric Miao on 8 Mar 2010 00:40
On Sat, Mar 6, 2010 at 5:27 AM, Pavel Machek <pavel(a)ucw.cz> wrote:
> Hi!
>
> I'm getting way too many bit errors on spitz, with various
> kernels.
>
> It may be tied to network usage (bluetooth or wifi?). It happens even
> on AC power.

Pavel,

What kind of bit errors? I'm not using any network here on my spitz so
not sure what exactly was happening. Could you paste the dmesg here
so we can help take a look?

- eric
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From: Pavel Machek on 8 Mar 2010 02:30
> On Sat, Mar 6, 2010 at 5:27 AM, Pavel Machek <pavel(a)ucw.cz> wrote:
> > Hi!
> >
> > I'm getting way too many bit errors on spitz, with various
> > kernels.
> >
> > It may be tied to network usage (bluetooth or wifi?). It happens even
> > on AC power.
>
> Pavel,
>
> What kind of bit errors? I'm not using any network here on my spitz so
> not sure what exactly was happening. Could you paste the dmesg here
> so we can help take a look?

dmesg would not be useful, it usually hits user programs. Like... mutt
suddenly displaying , instead of - in the header. Program failing to
start because function printg is not found (it was not exactly
printf->printg, I don't remember exact symbol), ping complaining
about discarding corrupted packets, etc.

(Or of course, kernel oopsing or not going from suspend at all. But as
even user data are being corrupted, oops is not likely to be
interesting and system is typically not in state to capture it any more.)

Pavel
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From: Cyril Hrubis on 8 Mar 2010 03:30
Hi!
> dmesg would not be useful, it usually hits user programs. Like... mutt
> suddenly displaying , instead of - in the header. Program failing to
> start because function printg is not found (it was not exactly
> printf->printg, I don't remember exact symbol), ping complaining
> about discarding corrupted packets, etc.
>
> (Or of course, kernel oopsing or not going from suspend at all. But as
> even user data are being corrupted, oops is not likely to be
> interesting and system is typically not in state to capture it any more.)
>

Well I've seen empty lines when editing file with vim (these that are starting
with blue tilda) in the middle of file. And sometimes programs segfaults for no
good reason. Just today I've run "apt-get update" and got:

symbol lookup error: apt-get: undefined symbol: _ZN16pkgAcquireStatus4StopEv

While the correct symbol seems to be _ZN16pkgAcquireStatus4.

When running 'make' in kernel directory and closing the display sometimes
machine dies and nothing but reset under battery cover helps. I remeber waking
up in the morning, opening the device and reseting the device. And it seems to
be provoked much more by active CF wifi card.

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metan
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From: Cyril Hrubis on 8 Mar 2010 07:20
Hi!
> - And I see display noise while CF Wi-Fi card is active.

Forgotten about this one. See for yourself, notice short black vertical lines
flashing randomly.

http://atrey.karlin.mff.cuni.cz/~metan/outgoing/zaurus_sickness.mpg

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metan
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