<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - HD6850 cannot boot with dpm" href="https://bugs.freedesktop.org/show_bug.cgi?id=73053#c6">Comment # 6</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - HD6850 cannot boot with dpm" href="https://bugs.freedesktop.org/show_bug.cgi?id=73053">bug 73053</a> from <a class="email" href="mailto:j.orti.alcaine@gmail.com" title="Juan Orti <j.orti.alcaine@gmail.com>"> Juan Orti</a> <pre>I have the same problem with a Radeon HD6870 and kernel 3.12.6-300.fc20.x86_64 in Fedora. I cannot boot with radeon.dpm=1. I see the kernel booting but the monitor goes black quickly. Sometimes I see the Xorg loading the wallpaper, but suddenly the image gets corrupted and the monitor goes black. lspci -v: 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Barts XT [Radeon HD 6870] (prog-if 00 [VGA controller]) Subsystem: Hightech Information System Ltd. Device 2010 Flags: bus master, fast devsel, latency 0, IRQ 58 Memory at e0000000 (64-bit, prefetchable) [size=256M] Memory at f7e20000 (64-bit, non-prefetchable) [size=128K] I/O ports at e000 [size=256] Expansion ROM at f7e00000 [disabled] [size=128K] Capabilities: [50] Power Management version 3 Capabilities: [58] Express Legacy Endpoint, MSI 00 Capabilities: [a0] MSI: Enable+ Count=1/1 Maskable- 64bit+ Capabilities: [100] Vendor Specific Information: ID=0001 Rev=1 Len=010 <?> Capabilities: [150] Advanced Error Reporting Kernel driver in use: radeon /proc/cmdline (without radeon.dpm=1): BOOT_IMAGE=/root/boot/vmlinuz-3.12.6-300.fc20.x86_64 root=UUID=cd8d5bd5-5d01-4bfc-b417-f766e7ad643b ro rootflags=subvol=root rd.md=0 rd.lvm=0 rd.dm=0 rd.luks=0 vconsole.keymap=es vconsole.font=latarcyrheb-sun16 crashkernel=128M radeon.audio=1 libahci.ignore_sss=1 rhgb quiet</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>