Re: Problems with kernel-3.10.0-693.5.2.el7.x86_64

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On 10/28/2017 02:55 PM, Gregory P. Ennis wrote:
> Date: Sat, 28 Oct 2017 12:03:51 -0700
> 
> On 10/28/2017 11:30 AM, Gregory P. Ennis wrote:
> > On each of these units I am using the video from the mother board
> > which
> > is :
> > 
> > Base Board Information
> >          Manufacturer: ASUSTeK COMPUTER INC.
> >          Product Name: B150M-A/M.2
> 
> 
> what CPU are you using?  any onboard video with the B150 chipset is 
> coming from the CPU itself.
> -------------------------------
> 
> John,
> 
> Thanks for your help.
> 
> Sorry, I thought I posted that earlier, but it is :
> 
> Intel(R) Core(TM) i7-7700 CPU @ 3.60GHz
> 

OK .. if you run this as root, it will tell you what the actual video
card is what what driver and/or kernel module is in use:



for card in $(lspci | grep ' VGA ' | cut -d" " -f 1); do \
lspci  -v -s $card; done



Here is an example output for my workstation:



00:02.0 VGA compatible controller: Intel Corporation 4th Gen Core
Processor Integrated Graphics Controller (rev 06) (prog-if 00 [VGA
controller])
	Subsystem: Lenovo Device 221e
	Flags: bus master, fast devsel, latency 0, IRQ 30
	Memory at b3400000 (64-bit, non-prefetchable) [size=4M]
	Memory at 80000000 (64-bit, prefetchable) [size=512M]
	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
	Kernel modules: i915

01:00.0 VGA compatible controller: NVIDIA Corporation GK107GLM [Quadro
K1100M] (rev a1) (prog-if 00 [VGA controller])
	Subsystem: Lenovo Device 221e
	Flags: fast devsel, IRQ 255
	Memory at b2000000 (32-bit, non-prefetchable) [disabled]
[size=16M]
	Memory at a0000000 (64-bit, prefetchable) [disabled]
[size=256M]
	Memory at b0000000 (64-bit, prefetchable) [disabled] [size=32M]
	I/O ports at 4000 [disabled] [size=128]
	Expansion ROM at b3000000 [disabled] [size=512K]
	Capabilities: [60] Power Management version 3
	Capabilities: [68] MSI: Enable- Count=1/1 Maskable- 64bit+
	Capabilities: [78] Express Endpoint, MSI 00
	Capabilities: [b4] Vendor Specific Information: Len=14 <?>
	Capabilities: [100] Virtual Channel
	Capabilities: [128] Power Budgeting <?>
	Capabilities: [600] Vendor Specific Information: ID=0001 Rev=1
Len=024 <?>
	Capabilities: [900] #19
	Kernel modules: nouveau

With that info, you can troubleshoot the specific driver or kernel
module.

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Johnny,

Thank you again for your help. As I mentioned before, I do not have a
video card on either of these machines, just the mother board along
with the cpu.

Here is the result of 'lspci -v -s 00:02.0' on both machines :

00:02.0 VGA compatible controller: Intel Corporation HD Graphics 630
(rev 04) (prog-if 00 [VGA controller])
    Subsystem: ASUSTeK Computer Inc. Device 8694
    Flags: bus master, fast devsel, latency 0, IRQ 125
    Memory at f6000000 (64-bit, non-prefetchable) [size=16M]
    Memory at e0000000 (64-bit, prefetchable) [size=256M]
    I/O ports at f000 [size=64]
    Expansion ROM at <unassigned> [disabled]
    Capabilities: [40] Vendor Specific Information: Len=0c <?>
    Capabilities: [70] Express Root Complex Integrated Endpoint,MSI 00
    Capabilities: [ac] MSI: Enable+ Count=1/1 Maskable- 64bit-
    Capabilities: [d0] Power Management version 2
    Capabilities: [100] Process Address Space ID (PASID)
    Capabilities: [200] Address Translation Service (ATS)
    Capabilities: [300] Page Request Interface (PRI)
    Kernel driver in use: i915
    Kernel modules: i915

Greg
--------------------------------------------------------
Johnny,

After doing some google searches I found the results of 
'hwinfo --gfxcard'  
on both machines (with some small differences) to be :

08: PCI 02.0: 0300 VGA compatible controller (VGA)
  [Created at pci.319]
  Unique ID: _Znp.1+PvSl89UWD
  SysFS ID: /devices/pci0000:00/0000:00:02.0
  SysFS BusID: 0000:00:02.0
  Hardware Class: graphics card
  Model: "Intel VGA compatible controller"
  Vendor: pci 0x8086 "Intel Corporation"
  Device: pci 0x5912
  SubVendor: pci 0x1043 "ASUSTeK Computer Inc."
  SubDevice: pci 0x8694
  Revision: 0x04
  Driver: "i915"
  Driver Modules: "i915"
  Memory Range: 0xf6000000-0xf6ffffff (rw,non-prefetchable)
  Memory Range: 0xe0000000-0xefffffff (ro,non-prefetchable)
  I/O Ports: 0xf000-0xf03f (rw)
  IRQ: 125 (16435 events)
  Module Alias: "pci:v00008086d00005912sv00001043sd00008694bc03sc00i00"
  Driver Info #0:
    Driver Status: i915 is active
    Driver Activation Cmd: "modprobe i915"
  Config Status: cfg=new, avail=yes, need=no, active=unknown

Primary display adapter: #8


Greg
----------------------------------------------------------------------

I have still not been able to totally figure out what is happening with
these (Intel(R) Core(TM) i7-7700) video displays that use the cpu and
not a video card, however I did identify a little more information. 
One of of the units that has failed to generate a login screen at the
time of booting, I have two video monitors set in place, one is hdmi
and the other is vga; when I boot this machine with both monitors
attached to the motherboard video connections, I do not get a login
screen.  If I unplug the VGA monitor and boot the machine I get the
login screen on the hdmi monitor.  If I unplug the hdmi and use the vga
as a single monitor, I do not get a login screen. 

If I boot with only the hdmi monitor attached, I get a login screen and
can login.  After gnome3 is started I can then plung in the VGA monitor
and both will work normally.

Is this a problem with the 'i915' driver?  Maybe it is time to fill out
a bug report??

Greg

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