https://bugzilla.novell.com/show_bug.cgi?id=363599 User ducalen@sympatico.ca added comment https://bugzilla.novell.com/show_bug.cgi?id=363599#c2 --- Comment #2 from Allen Cuda 2008-02-21 05:26:14 MST --- Created an attachment (id=196250) --> (https://bugzilla.novell.com/attachment.cgi?id=196250) Xorg log -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=363599 User ducalen@sympatico.ca added comment https://bugzilla.novell.com/show_bug.cgi?id=363599#c4 --- Comment #4 from Allen Cuda 2008-02-21 05:34:18 MST --- Created an attachment (id=196254) --> (https://bugzilla.novell.com/attachment.cgi?id=196254) Screen shot Here is a picture of my screen @1680x1050 showing the vertical noise lines -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=363599 User sndirsch@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=363599#c6 Stefan Dirsch changed: What |Removed |Added ---------------------------------------------------------------------------- Component|SaX2 |X.Org QAContact|qa@suse.de |xorg-maintainer-bugs@forge.provo.novell.com Summary|Vertical noise on video display with SIS driver |sis: vertical noise on video display at high |at high resolution/color depth |resolution/color depth --- Comment #6 from Stefan Dirsch 2008-02-21 06:02:54 MST --- Vendor: pci 0x1039 "Silicon Integrated Systems Corp." Device: pci 0x6330 "SiS 660" -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=363599 User lverhaegen@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=363599#c8 --- Comment #8 from Luc Verhaegen 2008-02-21 06:56:49 MST --- This looks like it could be one of three things... 1) It could be a dotclock issue. The dotclock might be unstable. This means that the pixels are being sent out at a rate which is not exactly constant, and the monitor has problems keeping up yith this. A different configuration of the dotclock might result in a constant mode. Try the following modelines: Modeline "1680x1050" 146.50 1680 1784 1960 2240 1050 1053 1059 1089 +hsync -vsync Modeline "1680x1050" 146.00 1680 1784 1960 2240 1050 1053 1059 1089 +hsync -vsync This should get a different parameter set for the pll, and will hopefully give you a working mode. If this fixes it, then it is clearly a dotclock issue. 2) It could be that the dotclock (pixelclock) is too high for the panel. The modeline suggests that it is a mode with normal blanking: (II) SIS(0): Modeline "1680x1050" 146.25 1680 1784 1960 2240 1050 1053 1059 1089 +hsync -vsync If you try reduced blanking (cvt -r), you get: # 1680x1050 59.88 Hz (CVT 1.76MA-R) hsync: 64.67 kHz; pclk: 119.00 MHz Modeline "1680x1050R" 119.00 1680 1728 1760 1840 1050 1053 1059 1080 +hsync -vsync If this fix succeeds, then this doesn't mean that the issue is fully identified. Get a 1600x1200@60Hz capable CRT out, and force the original mode on it. If it still persists on the CRT, then it is the next issue. 3) this could be a FIFO/Buffering issue. And the buffer seems to be having trouble at the 48pixel mark (width / number of bands). I am worried about whether this testing can actually be done. I see some VBE calls in your log, and i hope that this is not used for modesetting directly. Because if it is used for modesetting, then the above tests will be hard to execute. So with each step, verify from the log that you are actually setting the desired mode. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=363599 User ducalen@sympatico.ca added comment https://bugzilla.novell.com/show_bug.cgi?id=363599#c9 --- Comment #9 from Allen Cuda 2008-02-23 07:11:09 MST --- Created an attachment (id=196781) --> (https://bugzilla.novell.com/attachment.cgi?id=196781) CRT Screenshot -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=363599 User sndirsch@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=363599#c11 Stefan Dirsch changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |NEEDINFO Info Provider| |ducalen@sympatico.ca --- Comment #11 from Stefan Dirsch 2008-02-25 07:23:01 MST --- (In reply to comment #10 from Allen Cuda)

Luc, I modified xorg.conf manually and tried the two modelines you suggested and there was no difference to the display quality. I compared the before and after xorg logs and I could see no differences, except for some minor differences in the EDID hex section. So I'm not sure if modifying the modelines actually took effect.

Could you please attach your /etc/X11/xorg.conf and /var/log/Xorg.0.log, which you used and were created during testing? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=363599 User ducalen@sympatico.ca added comment https://bugzilla.novell.com/show_bug.cgi?id=363599#c13 --- Comment #13 from Allen Cuda 2008-02-27 05:23:37 MST --- Created an attachment (id=197392) --> (https://bugzilla.novell.com/attachment.cgi?id=197392) xorg.conf used for testing -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=363599 User ducalen@sympatico.ca added comment https://bugzilla.novell.com/show_bug.cgi?id=363599#c15 --- Comment #15 from Allen Cuda 2008-02-27 05:25:43 MST --- Created an attachment (id=197394) --> (https://bugzilla.novell.com/attachment.cgi?id=197394) Xorg log from test 1 modeline and openSUSE SIS driver -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=363599 User ducalen@sympatico.ca added comment https://bugzilla.novell.com/show_bug.cgi?id=363599#c17 --- Comment #17 from Allen Cuda 2008-02-27 05:26:41 MST --- Created an attachment (id=197398) --> (https://bugzilla.novell.com/attachment.cgi?id=197398) Xorg log from reduced blanking modeline and openSUSE SIS driver -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=363599 User sndirsch@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=363599#c19 Stefan Dirsch changed: What |Removed |Added ---------------------------------------------------------------------------- CC|lverhaegen@novell.com | AssignedTo|sndirsch@novell.com |lverhaegen@novell.com Status|ASSIGNED |NEW --- Comment #19 from Stefan Dirsch 2008-02-27 06:50:23 MST --- Thanks for attachments and detailed explanation. It's confirmed now that neither test1 (dotclock issue) nor test2 helped. So it's no dotclock issue. Your monitor (CRT) doesn't support reduced blanking anyway. So the remaining issue would be:

3) this could be a FIFO/Buffering issue. And the buffer seems to be having trouble at the 48pixel mark (width / number of bands).

Reassigning to Luc. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=363599 User lverhaegen@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=363599#c21 --- Comment #21 from Luc Verhaegen 2008-02-27 07:58:32 MST --- Also, please give your provided modes separate names and reference them directly in your Modes section. Like with "1680x1050R" mode you provided, please use Modes "1680x1050R" in the relevant display subsection of the screen section. In contrast, what you've done now; Modes "1680x1050" ... Will match the _best_ acceptable mode with the name "1680x1050", and this means that in most cases, if not all, you never even test the modes you provided yourself. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=363599 User ducalen@sympatico.ca added comment https://bugzilla.novell.com/show_bug.cgi?id=363599#c24 Allen Cuda changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |REOPENED Resolution|NORESPONSE | --- Comment #24 from Allen Cuda 2008-03-08 13:51:25 MST --- I added "ReducedBlanking" option to monitor section, named and referenced modelines as requested. I think my new changes took affect as I was able to see the new modelines in the log files. The new attached Xorg.0.logs are as follows; 1. xorg.conf-1 - new xorg.conf 2. Xorg.0.log.test1-1 = generated by test 1 modeline with openSUSE SIS driver 3. Xorg.0.log.test2-1 = generated by test 2 modeline with openSUSE SIS driver 4. Xorg.0.log.testrb-1 = generated by reduced blanking test modeline with openSUSE SIS driver 5. Xorg.0.log.intel-1 = generated by sax2 modeline with Intel SIS driver and reduced blanking enabled. Test 1-1 and 2-1 with the openSUSE SIS driver are still the same though - still vertical noise lines. There was some improvement with reduced blanking and the openSUSE driver. The noise lines were approx. half as narrow as with the other two modelines. The good news for me is that with the Intel driver and reduced blanking, the monitor no longer switches from 1680x1050 to 1400x1050 after resuming from standby/suspend. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=363599 User ducalen@sympatico.ca added comment https://bugzilla.novell.com/show_bug.cgi?id=363599#c26 Allen Cuda changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #197394|0 |1 is obsolete| | --- Comment #26 from Allen Cuda 2008-03-08 13:56:20 MST --- Created an attachment (id=199655) --> (https://bugzilla.novell.com/attachment.cgi?id=199655) Xorg log from test 1-1 modeline and openSUSE SIS driver -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=363599 User ducalen@sympatico.ca added comment https://bugzilla.novell.com/show_bug.cgi?id=363599#c28 Allen Cuda changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #197398|0 |1 is obsolete| | --- Comment #28 from Allen Cuda 2008-03-08 13:58:05 MST --- Created an attachment (id=199657) --> (https://bugzilla.novell.com/attachment.cgi?id=199657) Xorg log from reduced blanking-1 modeline and openSUSE SIS driver -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=363599 User lverhaegen@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=363599#c31 Luc Verhaegen changed: What |Removed |Added ---------------------------------------------------------------------------- Severity|Normal |Enhancement Status|REOPENED |ASSIGNED Summary|sis: vertical noise on video display at high |sis: no actual sis67x support in driver yet. |resolution/color depth | --- Comment #31 from Luc Verhaegen 2008-04-01 08:26:17 MST --- Allen, On thursday and friday i dug through the intel "codedrop", and i have to conclude the following there: * This is a very late codedrop from Thomas Winnischhofer. While i have a very high regard of him, he never used a CMS like cvs or git. So this is a lot of different things piled in together there, and very hard to detangle. Merging it with upstream is already a non-trivial task. * There is code in there which adds actual support for sis67x. Apparently the support that is in the current upstream driver was from before this hardware was actually available. This means that a lot of work, both in porting, testing and verification needs to be done to support this hardware. All in all, adding this support to our current driver is currently not feasible due to lack of hardware and lack of time. Maybe someone will do the work upstream, but there is unbelievably little movement there on both the taiwanese vendors drivers. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

https://bugzilla.novell.com/show_bug.cgi?id=363599 User sndirsch@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=363599#c32 Stefan Dirsch changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |bart@geesink.org --- Comment #32 from Stefan Dirsch 2008-05-06 23:56:28 MST --- *** Bug 387508 has been marked as a duplicate of this bug. *** https://bugzilla.novell.com/show_bug.cgi?id=387508 -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.