Re: Shutting down a VM with Kernel 4.14 will sometime hang and a reboot is the only way to recover.

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On 2017-12-03 11:08 PM, Jason Wang wrote:


On 2017年12月02日 00:38, David Hill wrote:

Finally, I reverted 581fe0ea61584d88072527ae9fb9dcb9d1f2783e too ... compiling and I'll keep you posted.

So I'm still able to reproduce this issue even with reverting these 3 commits.  Would you have other suspect commits ?

Thanks for the testing. No, I don't have other suspect commits.

Looks like somebody else it hitting your issue too (see https://www.spinics.net/lists/netdev/msg468319.html)

But he claims the issue were fixed by using qemu 2.10.1.

So you may:

-try to see if qemu 2.10.1 solves your issue
It didn't solve it for him... it's only harder to reproduce. [1]
-if not, try to see if commit 2ddf71e23cc246e95af72a6deed67b4a50a7b81c ("net: add notifier hooks for devmap bpf map") is the first bad commit
I'll try to see what I can do here
-if not, maybe you can continue your bisection through git bisect skip

Some commits are so broken that the system won't boot ...  What I fear is that if I git bisect skip those commits, I'll also skip the commit culprit of my original problem

[1] https://www.spinics.net/lists/netdev/msg469887.html



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