xorg Digest: Corrupt window

[Andrew Kurn]

> >Message: 1
> >Date: Mon, 17 Jun 2019 15:01:50 -0700
> >From: Andrew Kurn <kurn at sfu.ca>
> >Subject: Corrupt window
> >
> >I'm using the version of X current for Debian Jessie.
> >
> >I find that windows are sometimes corrupted.  The typical case
> >is in XTerm, when the bottom line is covered by a copy of the
> >second-last line.  It happens a little more than half the
> >time, so some sort of race condition.
> >
> >It is not confined to XTerm; Emacs and Aisleriot show some
> >of the same behavior.
> >
> >In all cases, moving the window will cure the problem.  The
> >redraw is correct.
> >
> >So my conclusion is it's a fault in X.  I've never had to
> >report an X bug before.
> >
> >If you will give me a list of info to provide, I will send
> >it in a later message.
> >
> >Otherwise, thanks for your attention.
> >
> >Andrew
> >



On Tue 18 Jun 2019 10:50 -0500, Chris Sorenson wrote:
> Date: Tue, 18 Jun 2019 10:50:40 -0500
> From: Chris Sorenson <csoren at isd.net>
> >
> 
> Your graphics hardware? If you don't know, `lspci -vv` will list everything
> connected to your PCI bus, but please parse out the graphics info rather
> than replying with the whole list.

---
00:02.0 VGA compatible controller: Intel Corporation 82Q963/Q965 Integrated Graphics Controller (rev 02) (prog-if 00 [VGA controller])
	Subsystem: Dell Device 01da
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 16
	Region 0: Memory at dfe00000 (32-bit, non-prefetchable) [size=1M]
	Region 2: Memory at c0000000 (64-bit, prefetchable) [size=256M]
	Region 4: I/O ports at ecb8 [size=8]
	Expansion ROM at <unassigned> [disabled]
	Capabilities: <access denied>
	Kernel driver in use: i915

00:02.1 Display controller: Intel Corporation 82Q963/Q965 Integrated Graphics Controller (rev 02)
	Subsystem: Dell Device 01da
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Region 0: Memory at dff00000 (32-bit, non-prefetchable) [size=1M]
	Capabilities: <access denied>
---

> 
> Also, on the very unlikely possibility that it's a termcap issue, from an
> xterm window; what does `echo $TERM` tell you?


xterm-color

OK so far?

Andrew