<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - When connecting or disconnecting a displayport to a DP hub with 4.16.2+ kernel, hard freeze with frozen video output" href="https://bugs.freedesktop.org/show_bug.cgi?id=106159#c15">Comment # 15</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - When connecting or disconnecting a displayport to a DP hub with 4.16.2+ kernel, hard freeze with frozen video output" href="https://bugs.freedesktop.org/show_bug.cgi?id=106159">bug 106159</a> from <a class="email" href="mailto:sass.joel@gmail.com" title="Joel Sass <sass.joel@gmail.com>"> Joel Sass</a> <pre>Created <a href="attachment.cgi?id=139132" name="attach_139132" title="This is the dmesg from an ssh session after attaching a monitor to my MST hub">attachment 139132</a> <a href="attachment.cgi?id=139132&action=edit" title="This is the dmesg from an ssh session after attaching a monitor to my MST hub">[details]</a> This is the dmesg from an ssh session after attaching a monitor to my MST hub root@nope:~/errors# uname -a Linux nope 4.16.0-rc7+ #2 SMP Thu Apr 26 08:45:00 EDT 2018 x86_64 x86_64 x86_64 GNU/Linux Kernel git acquired here: <a href="https://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-fixes-4.17">https://cgit.freedesktop.org/~agd5f/linux/log/?h=drm-fixes-4.17</a> Key message from dmesg: [ 526.900234] Call Trace: [ 526.900280] dm_dp_mst_get_modes+0xce/0x120 [amdgpu] [ 526.900288] drm_helper_probe_single_connector_modes+0x199/0x6c0 [drm_kms_helper] [ 526.900294] ? jbd2_journal_stop+0xf3/0x3e0 [ 526.900297] ? __ext4_journal_stop+0x37/0xa0 [ 526.900309] drm_mode_getconnector+0x2c4/0x300 [drm] [ 526.900314] ? _cond_resched+0x16/0x40 [ 526.900324] ? drm_mode_connector_property_set_ioctl+0x60/0x60 [drm] [ 526.900333] drm_ioctl_kernel+0x67/0xb0 [drm] [ 526.900342] drm_ioctl+0x2a9/0x350 [drm] [ 526.900352] ? drm_mode_connector_property_set_ioctl+0x60/0x60 [drm] [ 526.900381] amdgpu_drm_ioctl+0x46/0x80 [amdgpu] [ 526.900385] do_vfs_ioctl+0xa2/0x5f0 [ 526.900389] ? vfs_write+0x162/0x1a0 [ 526.900391] SyS_ioctl+0x74/0x80 [ 526.900395] do_syscall_64+0x60/0x110 [ 526.900399] entry_SYSCALL_64_after_hwframe+0x3d/0xa2</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>