** Also affects: ubuntu-kernel-tests
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1840750
Title:
[Potential Regression] System crashes when running ftrace test in
ubuntu_kernel_selftests
Status in ubuntu-kernel-tests:
New
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Disco:
Incomplete
Bug description:
This issue is 100% reproducible. It looks like this has something to
do with the Disco kernel in proposed (5.0.0-1014.14).
Test combinations:
kernel in updates + source code master branch = OK
kernel in proposed + source code master-next branch = NOT OK
kernel in proposed + source code master branch = NOT OK
The system will crash and reboot itself when testing:
"Register/unregister many kprobe events"
[33] Kprobe event with comm arguments [PASS]
[34] Kprobe event string type argument [PASS]
[35] Kprobe event symbol argument [PASS]
[36] Kprobe event argument syntax [PASS]
[37] Kprobes event arguments with types [PASS]
[38] Kprobe event auto/manual naming [PASS]
[39] Kprobe dynamic event with function tracer [PASS]
[40] Kretprobe dynamic event with arguments [PASS]
[41] Kretprobe dynamic event with maxactive [PASS]
[42] Register/unregister many kprobe events
packet_write_wait: Connection to 35.233.208.253 port 22: Broken pipe
Tried with use "tail -f /var/log/syslog" and "dmesg -w" to see what
happened, but it will just disconnected and reboot itself.
ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: linux-image-5.0.0-1014-gcp 5.0.0-1014.14
ProcVersionSignature: Ubuntu 5.0.0-1014.14-gcp 5.0.21
Uname: Linux 5.0.0-1014-gcp x86_64
ApportVersion: 2.20.10-0ubuntu27.1
Architecture: amd64
Date: Tue Aug 20 08:13:13 2019
SourcePackage: linux-signed-gcp
UpgradeStatus: No upgrade log present (probably fresh install)
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