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[SOLVED] AMD R7 370+gentoo-sources 4.8 [almost] blank screen
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manwe_
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PostPosted: Tue Oct 25, 2016 12:55 pm    Post subject: [SOLVED] AMD R7 370+gentoo-sources 4.8 [almost] blank screen Reply with quote

Hi *.

I have a problem with gentoo-sources 4.8 and my AMD R7 370. On kernel 4.7 eveything is working fine. Here's config: http://pastebin.com/6xB6uKsx Almost the same config on 4.8.3: http://pastebin.com/5vNAkBRB

When 4.8.3 starts (via UEFI stub) I only see this on one screen: https://transfer.sh/PfPVJ/img-20161025-143601.jpg other are blank (suspend). System starts "underneath".

Any ideas?


Last edited by manwe_ on Tue Oct 25, 2016 2:05 pm; edited 1 time in total
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Buffoon
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Joined: 17 Jun 2015
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PostPosted: Tue Oct 25, 2016 1:15 pm    Post subject: Reply with quote

Maybe you should try and disable this: CONFIG_FB_VESA=y

My 2¢.
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manwe_
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PostPosted: Tue Oct 25, 2016 1:25 pm    Post subject: Reply with quote

Nope, didn't help: https://transfer.sh/esRxt/img-20161025-152140.jpg
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chithanh
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Joined: 05 Aug 2006
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PostPosted: Tue Oct 25, 2016 1:51 pm    Post subject: Reply with quote

Code:
CONFIG_EXTRA_FIRMWARE="iwlwifi-7265D-16.ucode i915/skl_dmc_ver1.bin intel/ibt-hw-37.8.10-fw-1.10.3.11.e.bseq intel/ibt-hw-37.8.bseq brcm/BCM20702A1-0b05-17cb.hcd radeon/pitcairn_ce.bin radeon/pitcairn_mc.bin radeon/pitcairn_me.bin radeon/pitcairn_pfp.bin radeon/pitcairn_rlc.bin radeon/pitcairn_smc.bin radeon/TAHITI_uvd.bin radeon/TAHITI_vce.bin"

I think kernel 4.8 uses some additional firmware compared to 4.7, specifically radeon/pitcairn_k_smc.bin for the revised pitcairn chips.
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manwe_
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PostPosted: Tue Oct 25, 2016 2:05 pm    Post subject: Reply with quote

It worked :) Thanks a lot.
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