[Bug 1677575] Re: Thunderbolt hotplug causes system hang

2017-04-04 Thread Joseph Salisbury
Thanks for the feedback. Since it's fixed in mainline, we can perform a "Reverse" bisect to identify the commit that fixes the bug. We first need to know that last bad kernel version and first good kernel version. Can you test the following kernels: v4.9: http://kernel.ubuntu.com/~kernel-ppa/ma

[Bug 1677575] Re: Thunderbolt hotplug causes system hang

2017-04-04 Thread Thibault Roche
The bug itself is fixed in the 4.11.0-041100rc5-generic kernel. But I encounter regular freezes with this version of the kernel, and I have ACPI related error messages. Here are the ACPI messages from the dmesg : [6.090510] ACPI Warning: \_SB.IETM._ART: Return Package type mismatch at index

[Bug 1677575] Re: Thunderbolt hotplug causes system hang

2017-04-03 Thread Joseph Salisbury
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v4.11 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix t