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Binary package hint: gnome-system-monitor
This is related to the closed bug #284423 (the reporting user didnt follow up
the report).
It looks like 'Total sent' (or received) amount of bytes is kept in a 32bit
variable and is wrapped around each ~4GB sent (2^32 bytes).
You will never see total sent larger than 4GB. When the wrap happens you can
see the transfer rate graph go to zero for a moment. Caused probably by using
the wrapped variable in calculating speed (prev = 4GB, new =0 => speed
negative).
Changing the counter to 64bits should be a temporary fix. In the long run some
kind of bignum is needed (or decrease resolution and count the amount of kB
transmitted, or MB, GB).
Leaving it as is makes the counter quite useless especially as you can achieve
gigabit speeds on networks today it deasnt take long to exceed the 4 GB
transmitted data.
This is all speculations as I didn't look at the source, but it seems
quite clear to me.
Happens in all versions of gnome-system-monitor (including the one in
9.04).
** Affects: gnome-system-monitor
Importance: Unknown
Status: Invalid
** Affects: gnome-system-monitor (Ubuntu)
Importance: Low
Status: Incomplete
** Tags: kj-triage needs-kernel-logs needs-upstream-testing
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The amount of 'Total sent' data wraps around at 4GB
https://bugs.launchpad.net/bugs/373243
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