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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 11:46:22 +0200	[thread overview]
Message-ID: <1557913582.2950.15.camel@suse.com> (raw)
In-Reply-To: <3e7ec2f2-ac47-a031-96ba-fa2b9f21ed2e@gmail.com>


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On Mi, 2019-05-15 at 11:43 +0200,  StarostaCZ@gmail.com  wrote:
>     As I wrote, I made new test on kernel Linux version
>     5.1.0-050100-generic amd64:
> 
>     https://kernel.ubuntu.com/~kernel-ppa/mainline/v5.1/
> 
>     Same problem, system crash after a few seconds. Full kern.log: https://paste.ee/p/EmLsw

Most helpful. First, try to replicate this with the iommu disabled.
Secondly, make a proper bugreport mentioning the affected kernel version (5.1)
Thirdly, if possible replicate this with the vanilla kernel from kernel.org

>     
> 
>     Unfortunately, I can't judge if the patch is there, but
>         I found, that this patch was added to kernel 5.0.2:
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/iommu/amd_iommu.c?id=4e50ce03976fbc8ae995a000c4b10c737467beaa
> 
>       Can I somehow
>             verify that the patch is in this ubuntu kernel 5.1.0?

You would need to look into the kernel source, but this is not necessary.
Joerg's guess was incorrect.

	Regards
		Oliver


    

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  reply	other threads:[~2019-05-15 10:48 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-26 13:47 Linux crash when using FTDI FT232R USB to serial converter on AMD boards StarostaCZ@gmail.com
     [not found] ` <04503197-a0a9-8b35-6c65-c10f296aab57-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2019-04-29  9:48   ` Johan Hovold
2019-04-29  9:48     ` 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
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 11:22           ` Johan Hovold
2019-04-29 11:48           ` StarostaCZ-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
2019-04-29 11:48             ` StarostaCZ@gmail.com
2019-04-29 11:48             ` StarostaCZ@gmail.com
2019-05-03 15:37     ` Joerg Roedel
2019-05-03 15:37       ` Joerg Roedel
2019-05-06  7:09       ` StarostaCZ@gmail.com
2019-05-06  7:10       ` StarostaCZ@gmail.com
2019-05-06  7:10         ` StarostaCZ@gmail.com
2019-05-15  7:54         ` StarostaCZ@gmail.com
2019-05-15  7:54           ` StarostaCZ@gmail.com
2019-05-15  9:17           ` Oliver Neukum
2019-05-15  9:17             ` Oliver Neukum
2019-05-15  9:43             ` StarostaCZ@gmail.com
2019-05-15  9:46               ` Oliver Neukum [this message]
2019-05-15 11:21                 ` StarostaCZ@gmail.com
2019-05-15 13:54                   ` Oliver Neukum
2019-05-15 14:15                     ` StarostaCZ@gmail.com
2019-05-15 14:15                       ` StarostaCZ@gmail.com
2019-05-16  7:58                       ` Oliver Neukum
2019-05-16  7:58                         ` Oliver Neukum
2019-05-16  8:20                         ` StarostaCZ@gmail.com
2019-05-16  8:20                           ` StarostaCZ@gmail.com
2019-05-16  8:34                           ` Oliver Neukum
2019-05-16  8:34                             ` Oliver Neukum
2019-05-16 12:29                             ` StarostaCZ@gmail.com
2019-05-16 12:29                               ` StarostaCZ@gmail.com
2019-05-16 13:11                               ` Oliver Neukum
2019-05-16 13:11                                 ` Oliver Neukum
2019-05-16 13:36                                 ` StarostaCZ@gmail.com
2019-05-16 13:36                                   ` StarostaCZ@gmail.com
2019-05-15 11:22                 ` StarostaCZ@gmail.com
2019-05-15 11:22                   ` StarostaCZ@gmail.com
2019-05-15  9:43             ` StarostaCZ@gmail.com
2019-05-15  9:43               ` StarostaCZ@gmail.com

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