> When using UEFI, after boot, I get only a grey screen.
Just out of curiosity;
- could you try booting via rEFInd (separate USB stick which will fix many UEFI problems and let you boot form the other USB stick...), with UEFI enabled in the Bios, Legacy Bios enabled, without SecureBoot?
Ref.
-
https://www.rodsbooks.com/refind/
-
https://sourceforge.net/projects/refind/
-
https://sourceforge.net/p/refind/discussion/
--
Regards,
Teqleez
On Wed, Sep 18, 2019, at 17:49, Rangan Das wrote:
> Hi,
> After multiple attempts, I could not get Whisperback to work. The
> system would freeze or the screen would glitch out completely. It is
> completely unusable after it connects to the internet. The errors are
> different each time. Here are some of the things that usually happen:
>
> N.B. I am using Legacy Boot Mode, secure boot disabled, BIOS version
> 1.3.2 on Dell Inspiron 5575. I have tried using different flash drives,
> different USB ports. When using UEFI, after boot, I get only a grey
> screen. I will keep trying to send a WhisperBack report though. In that
> case, you will actually get the technical info.
>
> During boot, I get this message:
> [ 6.020547] pci 0000:00:00.2: AMD-Vi: Unable to write to IOMMU perf
> counter.
> [ 6.911935] kfd kfd: Failed to resume IOMMU for device 1002:15dd
> [ 6.912393] kfd kfd: device 1002:15dd NOT added use to errors
> After this, I get the GUI boot screen with three dots and I boot into
> Tails normally.
> Once I get the following message:
> [ 6.148248] pci 0000:00:00.2: AMD-Vi: Unable to write to IOMMU perf
> counter.
> [ 6.501945] i2c_designware AMDI0010:01: Unknown Synopsys component
> type: 0xffffffff
> The system got stuck here and it failed to boot. I had to Ctrl+Alt+Del
> out of here.
>
> I took photographs of the visual glitches and I have posted them here:
> https://postimg.cc/gallery/1joc677y2/
> Let me know if there's any other way I can help. Also, is there any way
> to dump all the debug info on the flash drive itself which I can upload
> from a different OS for you to check?
>
>
>
>
> -----Original Message-----
> From: intrigeri <intrigeri@???>
> Sent: Thursday, September 12, 2019 1:15 PM
> To: Rangan Das <rangan@???>; tails-testers@???
> Subject: Re: [Tails-testers] Unusable on devices with AMD Vega Mobile GPUs
>
> Hi Rangan,
>
> Rangan Das:
> > I tried using Tails 4.0b2 on two devices: one with AMD Ryzen 5 2500U
> > with Vega 8 GPU and another with Ryzen 3 2200U with Vega 3 graphics.
> > Unlike Tails 3.16, which fails to boot on these devices, Tails 4.0b2
> > boots, but freezes, crashes or hangs unexpectedly.
> > Graphical glitches are extremely widespread and I cannot use the
> > system for more than a couple of minutes without having to reset the
> > device.
>
> > I presently have access to the device with the Vega 8 mobile GPU and
> > if you need more information/logs, then I will be willing to help.
>
> Thanks for your report. It's good to see there's progress compared to
> Tails 3.16 but clearly we're not there yet.
>
> Please send us a WhisperBack report after booting (and ideally, after
> seeing graphical glitches), but of course before it freezes, crashes or
> hangs. Please ask our help desk, in your report, to point me to the ID
> of that report so I can investigate it.
>
> Once I have this info, I'll research the problem a bit and if there's
> anything I can suggest trying, I will :)
>
> Regards,
> --
> intrigeri
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