** Tags added: kernel-da-key
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Title:
problems with network speed reporting in sysfs on s390
Status in linux package in Ubuntu:
Co
For LPAR -> it's a valid test to verity max speed and actual speeds
For z/VM -> the cards are virtualised on the host, thus any test of max &
actual speeds is bogus
For z/KVM -> the cards are virtualised on the host, thus any test of max &
actual speeds is bogus
Comparing z/VM and z/KVM with othe
Right, but the bug report is incomprehensible at the moment. And the
device drivers involved here are different. What is happening is that
systems are running at higher than advertised max.
Where is the code for these checks? Can I clone and run them myself to
debug what is happening?
Regards,
D
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
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Title:
problems with network speed reporting in sysfs on s390
Sta
Validating the speed is a part of the network testing. Network tests
don't run if the link speed is less than advertised max. E.g. if
someone plugs a 10G card into a 1G network segment, the test will not
run because it's pointless to test a 10G device at 1/10th the
supported max speed.
This is no
One can attempt to do:
$ cat /sys/class/net/encc000/device/card_type
in some modes it will tell you if the card is real or not, e.g.:
"OSD_10GIG"
is real card on an lpar.
on KVM that file doesn't exist as device is a symlink to "virtio0".
on z/VM it has:
"Virt.NIC QDIO"
Which is well, a fake vir
1) Note directories in /sys/class/net are actually symlinks to /sys/devices,
and that you are looking at qeth kernel devices
2) On an LPAR, it's a real connection to a real card and I can see 1
connection
3) on z/KVM qeth is on virtio bus, thus it's all virtual. Only the host will
know what
Whoops, set it to New, not Confirmed, that triggered your bot again.
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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Looks to me like apport-collect just submitted the exact same logs as
ubuntu-bug did. Your bot may be broken...
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Title:
problems wi
I don't understand... why am I having to run apport-collect? Why didnt
ubuntu-bug submit all the logs?
** Changed in: linux (Ubuntu)
Status: Incomplete => New
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https:/
apport information
** Tags added: apport-collected
** Description changed:
On an amd64 system with a 1Gb NIC, I can examine /sys/class/net/
for various bits of data. In this case, we need link speed.
For example:
bladernr@galactica:~/Datacenters/Home$ cat /sys/class/net/enp2s0/spe
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