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From: Tamas K Lengyel <>
To: "Marek Marczykowski-Górecki" <>
Cc: Xen-devel <>
Subject: Re: Console output stops on dbgp=xhci
Date: Wed, 14 Sep 2022 20:41:59 -0400	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <YyJOWDWYVpShtAU9@mail-itl>

> > Do you have any idea what might be going on and preventing the output
> > from showing over USB3 afterwards? The /dev/ttyUSB0 device is still
> > present on the receiving side, just nothing is being received over it.
> There are few more patches in the series that are de facto required.
> Especially those about IOMMU, otherwise it can only possibly work with
> iommu=0 (which I'm not sure if even is enough).

Unfortunately with iommu=0 Xen doesn't boot at all for me. I see this
on the console:

(XEN) Panic on CPU 0:
(XEN) [error_code=0011]
(XEN) Faulting linear address: 00000000328b3a54

Not sure what's up with that. Either way, can you post a git branch
with the remaining patches that are not yet merged in master? Want to
check if those patches resolve the issue.


  reply	other threads:[~2022-09-15  0:43 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-14 18:18 Console output stops on dbgp=xhci Tamas K Lengyel
2022-09-14 21:57 ` Marek Marczykowski-Górecki
2022-09-15  0:41   ` Tamas K Lengyel [this message]
2022-09-15  1:28     ` Marek Marczykowski-Górecki
2022-09-15  7:55     ` Jan Beulich
2022-09-15 14:05       ` Tamas K Lengyel
2022-09-15 14:10         ` Jan Beulich
2022-09-15 14:16           ` Tamas K Lengyel
2022-09-15 14:39             ` Jan Beulich
2022-09-15 16:48               ` Tamas K Lengyel
2022-09-16  5:57                 ` Jan Beulich
2022-09-16  9:53                   ` Default reboot method (was: Re: Console output stops on dbgp=xhci) Marek Marczykowski-Górecki
2022-09-16 10:28                     ` Jan Beulich
2022-09-16 10:55                       ` Marek Marczykowski-Górecki
2022-09-16 11:10                         ` Roger Pau Monné
2022-09-16 11:44                         ` Jan Beulich

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