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<body><span class="vcard"><a class="email" href="mailto:alexdeucher@gmail.com" title="Alex Deucher <alexdeucher@gmail.com>"> <span class="fn">Alex Deucher</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - Invalid PCI ROM header signature: expecting 0xaa55, got 0xffff"
href="https://bugs.freedesktop.org/show_bug.cgi?id=98798">bug 98798</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Resolution</td>
<td>---
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<td>NOTOURBUG
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<td style="text-align:right;">Status</td>
<td>REOPENED
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<td>RESOLVED
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - Invalid PCI ROM header signature: expecting 0xaa55, got 0xffff"
href="https://bugs.freedesktop.org/show_bug.cgi?id=98798#c7">Comment # 7</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED NOTOURBUG - Invalid PCI ROM header signature: expecting 0xaa55, got 0xffff"
href="https://bugs.freedesktop.org/show_bug.cgi?id=98798">bug 98798</a>
from <span class="vcard"><a class="email" href="mailto:alexdeucher@gmail.com" title="Alex Deucher <alexdeucher@gmail.com>"> <span class="fn">Alex Deucher</span></a>
</span></b>
<pre>(In reply to Joseph Olstad from <a href="show_bug.cgi?id=98798#c6">comment #6</a>)
<span class="quote">> Originally trying to get dual screen to work on Debian Stretch kernel 4.9.x
>
> Led me to kernel update , Debian Stretch with latest 4.13.x kernel
> I didn't log the issue that 4.9.x had but maybe similar to 4.13.x
> :see following:
> dmesg | grep amdgpu
>
> [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-4.13.0-0.bpo.1-amd64
> root=UUID=551d61d5-886e-43dc-9cc8-0d5493d0514a ro quiet
> [ 0.000000] Kernel command line: BOOT_IMAGE=/vmlinuz-4.13.0-0.bpo.1-amd64
> root=UUID=551d61d5-886e-43dc-9cc8-0d5493d0514a ro quiet
> [ 3.460211] [drm] amdgpu kernel modesetting enabled.
> [ 3.502361] amdgpu 0000:01:00.0: Invalid PCI ROM header signature:
> expecting 0xaa55, got 0xffff
> [ 3.513075] amdgpu 0000:01:00.0: firmware: failed to load
> amdgpu/polaris12_mc.bin (-2)
> [ 3.513120] amdgpu 0000:01:00.0: Direct firmware load for
> amdgpu/polaris12_mc.bin failed with error -2
> [ 3.513122] mc: Failed to load firmware "amdgpu/polaris12_mc.bin"
> [ 3.513219] [drm:gmc_v8_0_sw_init [amdgpu]] *ERROR* Failed to load mc
> firmware!
> [ 3.513290] [drm:amdgpu_device_init [amdgpu]] *ERROR* sw_init of IP block
> <gmc_v8_0> failed -2
> [ 3.513330] amdgpu 0000:01:00.0: amdgpu_init failed
> [ 3.513369] amdgpu 0000:01:00.0: Fatal error during GPU init</span >
It looks like the firmware is not available at driver load time. If you are
using an initrd, make sure the firmware is in the initrd. If you have the
driver compiled into the kernel, you need to build the firmware into the kernel
as well.</pre>
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