<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - Delay when starting firefox, thunderbird or chromium and dmesg spam" href="https://bugs.freedesktop.org/show_bug.cgi?id=98502#c20">Comment # 20</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - Delay when starting firefox, thunderbird or chromium and dmesg spam" href="https://bugs.freedesktop.org/show_bug.cgi?id=98502">bug 98502</a> from <a class="email" href="mailto:alexdeucher@gmail.com" title="Alex Deucher <alexdeucher@gmail.com>"> Alex Deucher</a> <pre>(In reply to Mauro Santos from <a href="show_bug.cgi?id=98502#c19">comment #19</a>) > With 4.4.52 lspci says: > 03:00.0 Display controller [0380]: Advanced Micro Devices, Inc. [AMD/ATI] > Mars [Radeon HD 8670A/8670M/8750M] [1002:6600] (rev ff) > > With 4.9.11 lspci says: > 03:00.0 Display controller [0380]: Advanced Micro Devices, Inc. [AMD/ATI] > Mars [Radeon HD 8670A/8670M/8750M] [1002:6600] (rev 81) > > Notice that the revision is different so I would bet the kernel was not > behaving properly before. Previously lspci would just read back from pci config space for stuff that was not cached which resulted in reading back all ones if the device was powered off, hence the rev ff. The pci revision id is now cached so it's no longer read back from pci config space which is why is shows the proper value (rev 81).</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>