** Description changed:
On 5.15.0-1021-nvidia-tegra-igx-rt, the procfs test hangs on both AGX
and Nano. This will trigger a reboot from the watchdog timer. Previous
test runs have failed procfs with a null ptr deref, but this is the
first occurence of a hang that causes a sut-test failure.
I ran the entire ubuntu_stress_smoke_test suite locally on the affected
kernel (excluding procfs) and all the other tests were successful. Since
this test was already failing, I'm going to hint this occurence as I
don't believe it should block the release, but this should be
investigated further.
+
+ How to reproduce:
+ 1. Install the Canonical realtime kernel (on Jetpack or Ubuntu image):
+ sudo apt install linux-nvidia-tegra-rt-jetson
+ 2. Clone and build the Canonical kernel team's fork of stress-ng (the apt
version doesn't try to read the sec_cam entry for some reason):
+ git clone --depth=1 https://git.launchpad.net/~canonical-kernel-team/+git
stress-ng -b sru
+ cd stress-ng
+ make -j$(nproc)
+ 3. Run the procfs stressor (this will break the system and cause a reboot):
+ ./stress-ng -v -t 5 --procfs 4 --procfs-ops 3000
** Description changed:
On 5.15.0-1021-nvidia-tegra-igx-rt, the procfs test hangs on both AGX
and Nano. This will trigger a reboot from the watchdog timer. Previous
test runs have failed procfs with a null ptr deref, but this is the
first occurence of a hang that causes a sut-test failure.
I ran the entire ubuntu_stress_smoke_test suite locally on the affected
kernel (excluding procfs) and all the other tests were successful. Since
this test was already failing, I'm going to hint this occurence as I
don't believe it should block the release, but this should be
investigated further.
How to reproduce:
1. Install the Canonical realtime kernel (on Jetpack or Ubuntu image):
- sudo apt install linux-nvidia-tegra-rt-jetson
+ ```
+ sudo apt install linux-nvidia-tegra-rt-jetson
+ ```
2. Clone and build the Canonical kernel team's fork of stress-ng (the apt
version doesn't try to read the sec_cam entry for some reason):
+ ```
git clone --depth=1 https://git.launchpad.net/~canonical-kernel-team/+git
stress-ng -b sru
- cd stress-ng
- make -j$(nproc)
+ cd stress-ng
+ make -j$(nproc)
+ ```
3. Run the procfs stressor (this will break the system and cause a reboot):
+ ```
./stress-ng -v -t 5 --procfs 4 --procfs-ops 3000
+ ```
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https://bugs.launchpad.net/bugs/2103748
Title:
ubuntu_stress_smoke_test.procfs and ubuntu_ltp:read_all_proc panics
with realtime flavour (AGX, Nano)
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https://bugs.launchpad.net/ubuntu/+source/linux-nvidia-tegra-igx/+bug/2103748/+subscriptions
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