<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [dp] intel_dp.c:1554 WARN_ON(len <=8)" href="https://bugs.freedesktop.org/show_bug.cgi?id=103347#c7">Comment # 7</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [dp] intel_dp.c:1554 WARN_ON(len <=8)" href="https://bugs.freedesktop.org/show_bug.cgi?id=103347">bug 103347</a> from <a class="email" href="mailto:f.hartung@outlook.de" title="F.Hartung <f.hartung@outlook.de>"> F.Hartung</a> <pre>I used the latest commit (<a href="https://github.com/freedesktop/drm-tip">https://github.com/freedesktop/drm-tip</a>), finished my rebuild, uploaded the image but still: [ 19.052823] ------------[ cut here ]------------ [ 19.052824] WARN_ON(len <= 0) [ 19.052841] WARNING: CPU: 2 PID: 857 at drivers/gpu/drm/i915/intel_dp.c:1619 intel_dp_max_link_rate+0x55/0x70 [ 19.052841] Modules linked in: 8021q wl(PO) iwlmvm mac80211 iwlwifi snd_hda_codec_hdmi btusb btrtl btbcm btintel bluetooth snd_hda_codec_realtek snd_usb_audio snd_hda_codec_generic snd_usbmidi_lib ecdh_generic snd_rawmidi cfg80211 intel_powerclamp intel_rapl snd_hda_intel rfkill snd_hda_codec snd_hda_core snd_hwdep overlay uvesafb [ 19.052860] CPU: 2 PID: 857 Comm: Xorg Tainted: P W O 4.16.0-rc7 #1 [ 19.052861] Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./J3455-ITX, BIOS P1.60 01/16/2018 [ 19.052863] RIP: 0010:intel_dp_max_link_rate+0x55/0x70 [ 19.052864] RSP: 0018:ffff9e5375bd7bd0 EFLAGS: 00010282 [ 19.052866] RAX: 0000000000000011 RBX: ffff9e5376519000 RCX: ffffffff8c246e58 [ 19.052867] RDX: 0000000000000001 RSI: 0000000000000086 RDI: 0000000000000297 [ 19.052868] RBP: 0000000000098580 R08: 0000000000001376 R09: ffffffff8cfd6c40 [ 19.052870] R10: ffffee2989d54940 R11: 0000000000000001 R12: ffff9e5375525c00 [ 19.052871] R13: 00000000000121c0 R14: 0000000000000000 R15: ffff9e5376519108 [ 19.052873] FS: 00007f82608a8d00(0000) GS:ffff9e537fd00000(0000) knlGS:0000000000000000 [ 19.052874] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 19.052875] CR2: 0000000001a5a2a8 CR3: 00000002743e2000 CR4: 00000000001406a0 [ 19.052876] Call Trace: [ 19.052878] intel_dp_mode_valid+0xa7/0x160 [ 19.052881] drm_helper_probe_single_connector_modes+0x3d5/0x6a0 [ 19.052884] drm_mode_getconnector+0x146/0x300 [ 19.052887] ? shmem_getpage_gfp.isra.41+0x409/0xbc0 [ 19.052890] ? drm_mode_connector_property_set_ioctl+0x40/0x40 [ 19.052891] drm_ioctl_kernel+0x81/0xd0 [ 19.052893] drm_ioctl+0x2a8/0x350 [ 19.052896] ? drm_mode_connector_property_set_ioctl+0x40/0x40 [ 19.052898] ? generic_file_write_iter+0xf1/0x1e0 [ 19.052900] ? __vfs_write+0xdd/0x140 [ 19.052902] do_vfs_ioctl+0x90/0x5f0 [ 19.052904] SyS_ioctl+0x3b/0x70 [ 19.052907] do_syscall_64+0x6f/0x130 [ 19.052909] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 19.052911] RIP: 0033:0x7f825f0d9767 [ 19.052912] RSP: 002b:00007ffd11ca3798 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 19.052914] RAX: ffffffffffffffda RBX: 0000000001a56cb0 RCX: 00007f825f0d9767 [ 19.052915] RDX: 00007ffd11ca3820 RSI: 00000000c05064a7 RDI: 000000000000000a [ 19.052917] RBP: 00007ffd11ca3820 R08: 0000000001a56000 R09: 0000000000000001 [ 19.052918] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000c05064a7 [ 19.052919] R13: 000000000000000a R14: 000000000000000a R15: 00007ffd11ca3820 [ 19.052921] Code: 8a fc eb 10 8b 32 89 c1 48 83 ea 04 83 e8 01 41 39 f0 7d 1f 85 c0 75 ec 48 c7 c6 78 93 f9 8b 48 c7 c7 a7 a1 ef 8b e8 cb 18 6e ff <0f> 0b b8 d0 78 02 00 c3 83 e9 01 48 63 c9 8b 44 8f 74 c3 0f 1f [ 19.052964] WARNING: CPU: 2 PID: 857 at drivers/gpu/drm/i915/intel_dp.c:1619 intel_dp_max_link_rate+0x55/0x70 [ 19.052965] ---[ end trace a187945a29a828b9 ]--- apollo:~ # uname -r 4.16.0-rc7</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>