<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - [xen iommu] After upgrading to Linux 3.19, desktop no longer works in Xen 4.5.0 dom0" href="https://bugs.freedesktop.org/show_bug.cgi?id=90037#c27">Comment # 27</a> on <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - [xen iommu] After upgrading to Linux 3.19, desktop no longer works in Xen 4.5.0 dom0" href="https://bugs.freedesktop.org/show_bug.cgi?id=90037">bug 90037</a> from <a class="email" href="mailto:lantw44@gmail.com" title="Ting-Wei Lan <lantw44@gmail.com>"> Ting-Wei Lan</a> <pre>(In reply to Lakshmi from <a href="show_bug.cgi?id=90037#c26">comment #26</a>) > (In reply to Ting-Wei Lan from <a href="show_bug.cgi?id=90037#c23">comment #23</a>) > > (In reply to Lakshmi from <a href="show_bug.cgi?id=90037#c22">comment #22</a>) > > > Ting, sorry for the delay. > > > > > > Do you still have the issue? > > > If so, try to reproduce the issue using drm-tip > > > (<a href="https://cgit.freedesktop.org/drm-tip">https://cgit.freedesktop.org/drm-tip</a>) and kernel parameters drm.debug=0x1e > > > log_buf_len=4M, and if the problem persists attach the full dmesg from boot. > > > > > > This will speed up the investigation. > > > > Yes, the problem still exists. I could reproduce it with drm-tip commit > > 6dc8457a2f2093eecb9c6cbb7306fd25bb1664e6. I tested two times and the results > > were similar: all characters are broken and the system was unable to show > > GDM login screen. The system was accessible from SSH but it couldn't reboot. > > I ended up pressing 'R' on the Xen hypervisor console to reboot it. > > How often you see this issue? Every time you reboot? Yes, it happens on every boot unless I pass iommu=no-igfx to Xen command line.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are on the CC list for the bug.</li> <li>You are the assignee for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>