I think you might have fallen asleep on your keyboard ;-)
On Sun, 4 Oct 2015 5:41 pm M. Thierry <mthierry.gfx@xxxxxxxxx> wrote:
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On Oct 4, 2015 1:01 PM, "Mike Lothian" <mike@xxxxxxxxxxxxxx> wrote:Hi
I'm not certain but I think I faced the same issue when I was enabling atomic on my sandybridge laptop, it was like one of the planes stopped being updated. When I reported it all that time ago I was told atomic was considered unstable and I shouldn't be using it.
Has atomic been switched on recently?
Unfortunately the laptop is no longer functional so I can't test any of this out
Mike
On Sun, 4 Oct 2015 10:32 Martin Steigerwald <martin@xxxxxxxxxxxx> wrote:Hi Chris, hi Intel graphics developers,
Am Freitag, 2. Oktober 2015, 16:06:30 CEST schrieb Chris:
> To elaborate on this. The video is frozen to include the clock however I
> can move the mouse cursor around the screen. I can not however switch
> between window desktops. This happened on 28 Sept 2015 after an uptime
I have seen exactly this issue on ThinkPad T520 with Sandybridge graphics.
With one exception: At least sometimes I have been able to switch to tty1 and
do killall -u <affecteduser> to get back to sddm login screen.
I didn´t do anything about it so far. Driver is running in uxa mode, cause
with sna I experienced hard freezes with mouse freezing and even data loss. I
lost my GPG public key ring after a hard freeze after a gpg --recv-keys
operation (restored from backup meanwhile). This was at DebConf and a
developer I worked with recommended me to switch from SNA to UXA. And some
time ago I had it that kwin sometimes told me it restarted compositing due to
a hang in the graphics driver.
I find freezing issues extremely hard to debug. First off often they happen
when I am not willing to spend even a single minute on them. Second: What to
do anyway? On a hard freeze, I could try Sys-Rq key combo to sync disk
contents, and I think I may better enable it anyway to avoid data loss in
those situations, and hope that *some* information on *why* the hard freeze
happened still lands in kern.log or Xorg log. On soft freezes I can do
something if I can still switch to tty1. But what? I have no idea what
information I can gather *efficiently* to provide at least a somewhat
meaningful initial bug report within less than 15 to 30 minutes. I don´t just
want to do *something* in that case, but I want something that has a good
chance on giving a real insight on why the bug is happened and a good hint at
what can be done to fix it.
git-bisect is out of question for me for something that happens so
irregularily. It would take an insane amount of time with running kernels that
are probably way to unstable for production use – as it may include pre-rc1
kernels - anyway. Even tough I go to the limits on this machine regarding
production use, this is still a production machine and I usually wait till rc2
kernels to try out a new kernel.
So I appreciate any pointers what to *efficiently* do about issues like this.
In case I miss any documentated bug triaging howto please point me to it.
Ideally some kind of bug-reporting tool would be nice. Just run a script which
collects all data that can be helpful into a file that I can attach to a bug
report.
That said in general I am really quite happy with the Intel drivers.
martin@merkaba:~> phoronix-test-suite system-info
Phoronix Test Suite v5.2.1
System Information
Hardware:
Processor: Intel Core i5-2520M @ 3.20GHz (4 Cores), Motherboard: LENOVO
42433WG, Chipset: Intel 2nd Generation Core Family DRAM, Memory: 16384MB,
Disk: 300GB INTEL SSDSA2CW30 + 480GB Crucial_CT480M50, Graphics: Intel HD 3000
(1300MHz), Audio: Conexant CX20590, Monitor: P24T-7 LED, Network: Intel
82579LM Gigabit Connection + Intel Centrino Advanced-N 6205
Software:
OS: Debian unstable, Kernel: 4.3.0-rc3-tp520-btrfstrim+ (x86_64), Desktop: KDE
Frameworks 5, Display Server: X Server 1.17.2, Display Driver: intel 2.99.917,
OpenGL: 3.3 Mesa 11.0.2, Compiler: GCC 5.2.1 20150911, File-System: btrfs,
Screen Resolution: 3840x1080
lspci -nnv:
00:02.0 VGA compatible controller [0300]: Intel Corporation 2nd Generation
Core Processor Family Integrated Graphics Controller [8086:0126] (rev 09)
(prog-if 00 [VGA controller])
Subsystem: Lenovo Device [17aa:21cf]
Flags: bus master, fast devsel, latency 0, IRQ 26
Memory at f0000000 (64-bit, non-prefetchable) [size=4M]
Memory at e0000000 (64-bit, prefetchable) [size=256M]
I/O ports at 5000 [size=64]
Expansion ROM at <unassigned> [disabled]
Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
Capabilities: [d0] Power Management version 2
Capabilities: [a4] PCI Advanced Features
Kernel driver in use: i915
Ciao,
--
Martin
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