curses prints were causing parallel-vm.py to terminate if there were too
many VMs to fit into the screen. For now, simply hide any VMs from the
live status if there is not sufficient room for them.
Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
The new --gdb option can be used when KERNELDIR (and optionally
MODULEDIR) are set and we therefore run UML. It runs the entire
VM under the debugger, with a script to load the right modules
into gdb so you can debug easily.
This needs CONFIG_GDB_SCRIPTS=y to be used in the kernel build.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Since the kernel actually passes the command-line parameters
as environment variables to the init script, there's no need
to parse them out of /proc/cmdline.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
It can be useful to configure a different module directory, so you don't
need to install the kernel modules in the host /lib/modules/ location.
Allow configuring it in the config file.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If cfg80211 is built into the kernel, then it may/will have
loaded the regdb before we mount our own /lib/firmware. This
may result in using the wrong regulatory data. Fix this by
using iw to reload the regdb after mounting it.
Fixes: a29c2399a7 ("tests: Add regulatory database to VMs")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Instead of printing a very long line of the failed tests, print the test
case names on separate lines up to the number of available lines at the
bottom of the screen. This avoids some issues with curses and overlong
lines. Furthermore, display the last failed test cases instead of
somewhat confusing sequence of test case names from the VMs.
Signed-off-by: Jouni Malinen <j@w1.fi>
We don't particularly care about the quality of random numbers
during the test. So far, there hasn't been an issue with the
RNG not being initialized completely, we only get a few prints
about uninitialized reads from urandom. However, if some tool
were to actually use /dev/random, it might get stuck. Call the
RNDADDTOENTCNT ioctl to unblock this.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
git has started rejecting repositories owned by other users and refusing
to run the "git rev-parse HEAD" command in this type of cases. That
resulted in issues with the VM testing model where the VM is practically
running everything as root while the host is a normal development
environment and likely a non-root user owned files.
Fix this by fetching the commitid on the host and pass it to the VM so
that no git operations need to be run within the VM itself.
Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
min-seq.py can be used to find a minimal test sequence that can be used
to reproduce test failures. This is meant for being able to process the
recently added "Failure sequence:" entries from parallel-vm.log to
reduce manual work needed to debug commonly failing test case sequences.
Signed-off-by: Jouni Malinen <quic_jouni@quicinc.com>
Add a common well-known regulatory database to the test VMs during runs
to remove one thing to have correct in the host.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Hide /usr/share/wireshark from hostfs to prevent tshark from loading all
the data from there since that can take significant amount of time and
is not really needed for the test cases. In addition, set HOME to point
to local tmpfs to avoid unnecessary references through hostfs.
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
Make it more difficult to miss issues that were previously only printed
out in /tmp/hwsim-test-logs/*-parallel.log. This covers things like
memory leaks and test script failures or forgotten development time
prints to stdout.
Signed-off-by: Jouni Malinen <j@w1.fi>
Include support for MACsec testing in the (vm) kernel by default.
Don't include support in the example hostapd or wpa_supplicant configs
yet since that would potentially break the build on older distributions
like Ubuntu 16.04, which is supported until April 2021.
Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com>
Include a defconfig for building kernel as UML. Also update the README
with a few notes related to UML.
Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com>
Make the included kernel-config a little more minimal by checking in the
defconfig instead.
Generate the defconfig by checking out a linux at tag wt-2020-03-17,
copy kernel-config to .config, run
'yes "" | make oldconfig && make savedefconfig',
and copy resulting defconfig to kernel-config.
Signed-off-by: Thomas Pedersen <thomas@adapt-ip.com>
If we use user-mode-linux, we have time-travel, and then the --long
argument doesn't really make a difference, so just assume that's the
case.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Allow running without curses, in which case the log is simply written to
stdout instead of a file. This is useful for automated (but parallel)
testing. Note that in most cases, you'd want to specify --debug, and so
I added a .rstrip() there on the lines to clean that up a bit.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This gets rid of the loop that was polling for things to do every 0.25
seconds and instead, reacts to any data from VMs as soon as it becomes
available. This avoids unnecessary operations when no new data is
available and avoids unnecessary waits when new data becomes available
more quickly.
Signed-off-by: Jouni Malinen <j@w1.fi>
This is more efficient since we can now start only the necessary number
of VMs instead of always forcing all VMs to start with one second delay.
This can also control the starting delay by keeping at most two VMs
starting at a time instead of using the hardcoded one second wait for
each consecutive VM.
Signed-off-by: Jouni Malinen <j@w1.fi>
Now that parallel-vm.py is actually stopping VMs as soon as they are not
needed for retries, it is not really an unexpected exit to see a VM exit
while test cases remain in the queue as long as at least that many VMs
remain running. Get rid of confusing 'unexpected exit' status from the
UI in such cases.
Fixes: 4aaddecdd8 ("tests: Handle test retries through the same queue")
Signed-off-by: Jouni Malinen <j@w1.fi>
This removes the separate rerun step from the parallel-vm.py processing
and instead, simply requeues the failed test cases into the same queue
that is used for the initial run. This is simpler and more efficient
since reruns start as soon as any VM is ready for processing them
instead of having to wait for all VMs to complete the first round.
Furthermore, this allows VMs to be stopped sooner when no more test
cases remain and that is helpful especially with the time travel patches
that make the wait-for-next-test step in the VM use all available CPU.
Signed-off-by: Jouni Malinen <j@w1.fi>
When the serial ports are set into raw mode on stdio (fd:0,fd:1)
then Ctrl-C is sort of passed through, but not effective. Request
non-raw mode to avoid that and let us cancel test execution with
Ctrl-C properly (both in parallel-vm.py and vm-run.sh cases).
Note that this requires a currently out-of-tree patch, but so
does the virtual time. If the patch is not applied, the command
line argument is ignored.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This speeds up test execution significantly by removing unnecessary
waiting for things to happen since the kernel log is allowed to jump
forward whenever there is nothing to do.
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This allows UML builds to be used in running user mode without having to
run the full x86 kernel in virtual machine.
Signed-off-by: Jouni Malinen <j@w1.fi>
Print a list of full paths to log files from failed test cases both the
parallel.log and stdout so that they can be easily opened for analysis.
In addition, renumber the VM lines in the <timestamp>-parallel.log to
match the i+1 numbering used in the log directories and UI that is
tracking test execution.
Signed-off-by: Jouni Malinen <jouni@codeaurora.org>
This old interface has been obsoleted and should not have been used
since 2010, so remove testing for it in preparation to dropping the
interface completely from wpa_supplicant.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
This allows unexpected cases to terminate parallel-vm.py without being
hidden by the exception handler.
Signed-off-by: Masashi Honma <masashi.honma@gmail.com>
The result of reading non blocked empty stream is different between
python2 and 3. The python2 sends "[Errno 11] Resource temporarily
unavailable" exception. The python3 could read "None" without
exception, so handle this "None" case as well.
Signed-off-by: Masashi Honma <masashi.honma@gmail.com>
In recent Debian versions, ebtables is an alias managed by
the alternatives(8) mechanism. This means /usr/sbin/ebtables
is a symlink to /etc/alternatives/ebtables, which in turn
links to the real binary.
As we mount a tmpfs over /etc, we cannot access this.
Fix this by bind-mounting the real /etc to /tmp/etc and
adding a symlink from /etc/alternatives to this.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
If telnetd is installed and --telnet <port> is passed on the
vm-run.sh command line, start a telnet server (directly connected
to bash, no login) inside the VM(s) to be able to look into them
when something is wrong. Use a user network in qemu with a single
host forward from the specified port for this, listening only on
'localhost'.
Please note that this provides unauthenticated access to the guest
system from anything that can open a TCP connection on the host system.
The guess system does have access to reading all files on the host that
the user account running kvm has access to (and even write access if the
default ROTAG ,readonly parameter is cleared). In other words, this
option should not be used on any multiuser systems where kvm is run
under user accounts that are not dedicated for testing purposes (i.e.,
do not have access to any files that should not be readable to
everyone).
This needs CONFIG_VIRTIO_NET=y in the guest kernel.
For parallel-vm.py, the --telnet argument specifies the base port
and each VM index (0, 1, ...) is added to it.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Recently, qemu/seabios grew an annoying console/terminal reset,
which also causes my terminal to be left in a state where long
lines don't work well and less gets confused because of this.
Suppress this by suppressing all output from qemu before a new
magic string printed from inside.sh.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This is useful when running a test multiple times, looking at
log output etc. to not have to pick out the right directory
each and every time.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
