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From: Oliver Neukum <oneukum@suse.com>
To: "StarostaCZ@gmail.com" <starostacz@gmail.com>,
	Joerg Roedel <joro@8bytes.org>, Johan Hovold <johan@kernel.org>
Cc: iommu@lists.linux-foundation.org, linux-usb@vger.kernel.org,
	Mathias Nyman <mathias.nyman@intel.com>
Subject: Re: Linux crash when using FTDI FT232R USB to serial converter on AMD boards.
Date: Wed, 15 May 2019 15:54:43 +0200	[thread overview]
Message-ID: <1557928483.2950.18.camel@suse.com> (raw)
In-Reply-To: <c57ccafd-7ad4-63e4-54c1-e1fb136ebeed@gmail.com>


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On Mi, 2019-05-15 at 13:21 +0200,  StarostaCZ@gmail.com  wrote:
>     Dne 15.5.2019 v 11:46 Oliver Neukum napsal(a):
> 
>     
> >       Most helpful. First, try to replicate this with the iommu
> >         disabled.
> >     
> 
>     I am trying this with "iommu disabled" in bios, but system crash
>     too: https://paste.ee/p/wUgHl
> 
>     
> 
>     
> >       Secondly, make a proper bugreport mentioning the affected
> >         kernel version (5.1)
> >     
> 
>     How can I do this?

1. Determine whether the bug depends on the use of an IOMMU
2.Send a new report to the corresponding mailing list

>     
> 
>     
> >       Thirdly, if possible replicate this with the vanilla kernel
> >         from kernel.org
> >     
> 
>     I am afraid, that is not possible. My skills is not too good - is
>     there some procedure to how do this?
> 
>     I made test with mainline kernel 5.1.2 from
>     https://kernel.ubuntu.com/~kernel-ppa/mainline/
> 
>     but computer crash on boot (kernel panic: unable to mount root
>     fs...).

Your initrd has most likely not included a driver for the filesystem on
your root device.

	Regards
		Oliver


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  reply	other threads:[~2019-05-15 14:07 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <04503197-a0a9-8b35-6c65-c10f296aab57@gmail.com>
     [not found] ` <04503197-a0a9-8b35-6c65-c10f296aab57-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2019-04-29  9:48   ` Linux crash when using FTDI FT232R USB to serial converter on AMD boards Johan Hovold
2019-04-29  9:48     ` Johan Hovold
2019-04-29 10:51     ` StarostaCZ-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
2019-04-29 10:51       ` StarostaCZ@gmail.com
     [not found]       ` <26c4a175-dae2-3410-6924-92fe7c8ec6fe-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2019-04-29 11:22         ` Johan Hovold
2019-04-29 11:22           ` Johan Hovold
2019-04-29 11:48           ` StarostaCZ-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
2019-04-29 11:48             ` StarostaCZ@gmail.com
2019-05-03 15:37     ` Joerg Roedel
2019-05-06  7:09       ` StarostaCZ@gmail.com
2019-05-06  7:10       ` StarostaCZ@gmail.com
2019-05-15  7:54         ` StarostaCZ@gmail.com
2019-05-15  9:17           ` Oliver Neukum
2019-05-15  9:43             ` StarostaCZ@gmail.com
2019-05-15  9:46               ` Oliver Neukum
2019-05-15 11:21                 ` StarostaCZ@gmail.com
2019-05-15 13:54                   ` Oliver Neukum [this message]
2019-05-15 14:15                     ` StarostaCZ@gmail.com
2019-05-16  7:58                       ` Oliver Neukum
2019-05-16  8:20                         ` StarostaCZ@gmail.com
2019-05-16  8:34                           ` Oliver Neukum
2019-05-16 12:29                             ` StarostaCZ@gmail.com
2019-05-16 13:11                               ` Oliver Neukum
2019-05-16 13:36                                 ` StarostaCZ@gmail.com
2019-05-15 11:22                 ` StarostaCZ@gmail.com
2019-05-15  9:43             ` StarostaCZ@gmail.com

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