[Kernel-packages] [Bug 1839461] Re: sysfs / procfs from ubuntu_stress_smoke_test failed on D-AWS ARM64

2019-08-09 Thread Colin Ian King
** Changed in: linux-aws (Ubuntu) Assignee: (unassigned) => Colin Ian King (colin-king) ** Changed in: linux-aws (Ubuntu) Importance: Undecided => Medium ** Changed in: linux-aws (Ubuntu) Status: New => In Progress -- You received this bug notification because you are a member

[Kernel-packages] [Bug 1839461] Re: sysfs / procfs from ubuntu_stress_smoke_test failed on D-AWS ARM64

2019-08-09 Thread Po-Hsu Lin
** Also affects: linux-aws (Ubuntu Disco) Importance: Undecided Status: New ** Also affects: ubuntu-kernel-tests Importance: Undecided Status: New ** Tags added: sru-20190722 ubuntu-stress-smoke-test -- You received this bug notification because you are a member of Kernel

[Kernel-packages] [Bug 1839461] Re: sysfs / procfs from ubuntu_stress_smoke_test failed on D-AWS ARM64

2019-08-09 Thread Colin Ian King
I was incorrect, it's actually a racy read on /proc/bus/pci/:00/00.0 that's causing a hang: sudo cat /proc/bus/pci/\:00/00.0 ..takes a few seconds.. with stress-ng we have a multi-threaded open/read/close on this file with random read sizes, this seems to cause the machine to hang and

[Kernel-packages] [Bug 1839461] Re: sysfs / procfs from ubuntu_stress_smoke_test failed on D-AWS ARM64

2019-08-08 Thread Colin Ian King
OK, it seems to hang on PCI device 00:01.0: 00:01.0 Serial controller: Amazon.com, Inc. Device 8250 -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-aws in Ubuntu. https://bugs.launchpad.net/bugs/1839461 Title: sysfs / procfs from

[Kernel-packages] [Bug 1839461] Re: sysfs / procfs from ubuntu_stress_smoke_test failed on D-AWS ARM64

2019-08-08 Thread Colin Ian King
I'm hitting hangs when exercising /proc/bus/pci/:00/00.0 - i believe after a specific amount of time the watchdog reboots the machine -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-aws in Ubuntu.

[Kernel-packages] [Bug 1839461] Re: sysfs / procfs from ubuntu_stress_smoke_test failed on D-AWS ARM64

2019-08-08 Thread Colin Ian King
@Sam, I tested this out and the machine went off line, so I'm not sure if it died or got reprovisioned. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-aws in Ubuntu. https://bugs.launchpad.net/bugs/1839461 Title: sysfs / procfs