Comment # 8
on bug 101377
from john@dev1ce.com
My apologies as it seems I didn't fully understand the proposed workaround. I'll test this out. On July 30, 2017 2:12:23 PM PDT, bugzilla-daemon@freedesktop.org wrote: >https://bugs.freedesktop.org/show_bug.cgi?id=101377 > >--- Comment #7 from r380bug@safetymail.info --- >Either you have a different problem than me (unlikely, as we have the >exact >same symptoms), or you misunderstood my workaround. Or my workaround >somehow >doesn't work for you. However, since you talk about actually upgrading >the >firmware to a newer version, I'm guessing you didn't understand the >workaround. > >For my workaround, I neither upgraded nor downgraded any firmware >version. >However, Linux 4.8 and Linux 4.9 try to load different files for the >same >graphics card. Linux 4.8 loads tonga_smc.bin where as Linux 4.9 loads >tonga_k_smc.bin. Linux 4.8 fully works for me, including 3D >acceleration, Linux >4.9 runs into the symptoms you described (black screen, fans running >full >speed). > >Now, if I replace tonga_k_smc.bin with tonga_smc.bin, then Linux 4.9 >_also_ >fully works for me, including 3D acceleration. That's without upgrading >or >downgrading any firmware files. All I did was this: > >cp /lib/firmware/amdgpu/tonga_smc.bin >/lib/firmware/amdgpu/tonga_k_smc.bin > >Here's the md5sum of all my Tonga firmware files: >fa6590cc9c9c1b2e7c92874fe98460fa tonga_ce.bin >16bb427918581c29c2e910b5757a1b5b tonga_k_smc.bin >73befe8abbaa7589d4e701ff77291e62 tonga_k_smc.bin.orig >8ab907852fc93520ad5f0e06dc23298e tonga_mc.bin >a0fcc61ba211ab74829219a4e2282654 tonga_me.bin >f904f1835656036fd83b0440ddc28528 tonga_mec2.bin >f904f1835656036fd83b0440ddc28528 tonga_mec.bin >89b0391b91ff7159a7b0670c8aace566 tonga_pfp.bin >55f0a189959a11f07d4064a9f96adfb4 tonga_rlc.bin >a61b84ca64068fa6842887a1519ecd4b tonga_sdma1.bin >8324b832498cb27c0919647df17968b4 tonga_sdma.bin >16bb427918581c29c2e910b5757a1b5b tonga_smc.bin >fe37ee3d6138cd852215b318cbe65d0a tonga_uvd.bin >1a81cffe8a10460b8ca9eaad537e7286 tonga_vce.bin > >Note that tonga_k_smc.bin and tonga_smc.bin have the same md5sum on my >system, >because I copied tonga_smc.bin to tonga_k_smc.bin to make Linux 4.9 >work. > >-- >You are receiving this mail because: >You reported the bug.
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