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Re: [Xen-devel] Xen stable-4.11 crash when trying to start a VM on fedora 29

  • To: Jan Beulich <JBeulich@xxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Mathieu Tarral <mathieu.tarral@xxxxxxxxxxxxxx>
  • Date: Sat, 08 Dec 2018 01:01:33 +0000
  • Delivery-date: Sat, 08 Dec 2018 01:01:50 +0000
  • Feedback-id: 7ARND6YmrAEqSXE0j3TLm6ZqYiFFaDDEkO_KW8fTUEW0kYwGM1KEsuPxEPVWH5YuEnR43INtqwIKH-usvnxVQQ==:Ext:ProtonMail
  • List-id: Xen developer discussion <xen-devel.lists.xenproject.org>

Hi Jan,

> > > Without a full hypervisor log this is going to remain guesswork, but
> > > could you check whether "pcid=no" and/or "pv-l1tf=no" on the Xen
> > > boot command line help?
> >
> > [vagrant@localhost ~]$ cat /proc/cmdline
> > placeholder root=UUID=f4dcb7e6-e430-4b8b-8e83-5deb3522c88b ro no_timer_check
> > console=tty1 console=ttyS0,115200n8 net.ifnames=0 biosdevname=0
> > I hope that helps.
> I'm afraid I'm entirely lost as to what you're trying to tell me, the
> more in a private mail. I've asked you to try out extra hypervisor
> command line options, and you reply with what some random
> kernel command line of yours looks like.

I apologize, I read your reply too fast last time /o\

So I try adding "pcid=no", "pv-lt1f=no" and then "pcid=no pv-lt1f=no" in
/etc/sysconfig/grub GRUB_CMDLINE_XEN, Xen it still crashing, nothing in dmesg.

Are you interested in investigating this bug ?
To me anything that crashes Xen is worth looking at.

Best regards,

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