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#1
LQ Newbie
Registered: Jan 2021
Posts: 1
Rep:
Short Xorg freezes with Carbon ThinkPad x1 8th Gen + Debian Buster
I've recently got a fresh Lenovo ThinkPad Carbon x1 (8th Gen) and installed Debian Buster in it. After installing all the latest packages and doing the firmware upgrades (from non-free too), I realized that I'm experiencing short freezes while in Firefox or even in urxvt, for 0.5sec up to 10sec, meaning the display stops updating (keyboard and mouse input are visible after the hang passes).
Immediately changing TTYs is possible and does unfreeze the screen. There are no relevant logs in dmesg or Xorg.0.log or even journalctl. I mean, no logs at all our written at those specific times where these hangs happen. I have a lot of free memory (16GB) and a lot of swap (also 16GB) on the system. These happen a lot of times in a minute, even more when I'm using Firefox (I think).
Any ideas? Thanks in advance!
Code:
# inxi -SG
System: Host: powi Kernel: 5.9.0-0.bpo.2-amd64 x86_64 bits: 64 Desktop: i3 4.16.1 Distro: Debian GNU/Linux 10 (buster)
Graphics: Device-1: Intel driver: i915 v: kernel
Display: server: X.Org 1.20.4 driver: amdgpu,ati,fbdev,intel,modesetting,nouveau,radeon,vesa,vmware
resolution: 1920x1080~60Hz
OpenGL: renderer: llvmpipe (LLVM 7.0 256 bits) v: 3.3 Mesa 18.3.6
Code:
# uname -a
Linux powi 5.9.0-0.bpo.2-amd64 #1 SMP Debian 5.9.6-1~bpo10+1 (2020-11-19) x86_64 GNU/Linux
Code:
# cat /etc/X11/xorg.conf
Section "Device"
Identifier "Intel Graphics"
Driver "intel"
EndSection
Code:
$ apt policy xserver-xorg-video-intel
xserver-xorg-video-intel:
Installed: 2:2.99.917+git20180925-2
Candidate: 2:2.99.917+git20180925-2
Version table:
*** 2:2.99.917+git20180925-2 500
500 http://deb.debian.org/debian buster/main amd64 Packages
100 /var/lib/dpkg/status
Code:
00:00.0 Host bridge [0600]: Intel Corporation Device [8086:9b61] (rev 0c)
Subsystem: Lenovo Device [17aa:22be]
Flags: bus master, fast devsel, latency 0
Capabilities: <access denied>
Kernel driver in use: skl_uncore
00:02.0 VGA compatible controller [0300]: Intel Corporation Device [8086:9b41] (rev 02) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device [17aa:22be]
Flags: bus master, fast devsel, latency 0, IRQ 168
Memory at e9000000 (64-bit, non-prefetchable) [size=16M]
Memory at c0000000 (64-bit, prefetchable) [size=256M]
I/O ports at 3000 [size=64]
[virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
Capabilities: <access denied>
Kernel driver in use: i915
Kernel modules: i915
00:04.0 Signal processing controller [1180]: Intel Corporation Skylake Processor Thermal Subsystem [8086:1903] (rev 0c)
Subsystem: Lenovo Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem [17aa:22be]
Flags: fast devsel, IRQ 16
Memory at ea230000 (64-bit, non-prefetchable) [size=32K]
Capabilities: <access denied>
Kernel driver in use: proc_thermal
Kernel modules: processor_thermal_device
00:08.0 System peripheral [0880]: Intel Corporation Skylake Gaussian Mixture Model [8086:1911]
Subsystem: Lenovo Xeon E3-1200 v5/v6 / E3-1500 v5 / 6th/7th Gen Core Processor Gaussian Mixture Model [17aa:22be]
Flags: fast devsel, IRQ 255
Memory at ea242000 (64-bit, non-prefetchable) [disabled] [size=4K]
Capabilities: <access denied>
00:12.0 Signal processing controller [1180]: Intel Corporation Device [8086:02f9]
Subsystem: Lenovo Device [17aa:22be]
Flags: fast devsel, IRQ 16
Memory at ea243000 (64-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: intel_pch_thermal
Kernel modules: intel_pch_thermal
00:14.0 USB controller [0c03]: Intel Corporation Device [8086:02ed] (prog-if 30 [XHCI])
Subsystem: Lenovo Device [17aa:22be]
Flags: bus master, medium devsel, latency 0, IRQ 145
Memory at ea220000 (64-bit, non-prefetchable) [size=64K]
Capabilities: <access denied>
Kernel driver in use: xhci_hcd
Kernel modules: xhci_pci
00:14.2 RAM memory [0500]: Intel Corporation Device [8086:02ef]
Subsystem: Lenovo Device [17aa:22be]
Flags: fast devsel
Memory at ea240000 (64-bit, non-prefetchable) [disabled] [size=8K]
Memory at ea244000 (64-bit, non-prefetchable) [disabled] [size=4K]
Capabilities: <access denied>
00:14.3 Network controller [0280]: Intel Corporation Device [8086:02f0]
Subsystem: Intel Corporation Device [8086:0070]
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at ea238000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: iwlwifi
Kernel modules: iwlwifi
00:15.0 Serial bus controller [0c80]: Intel Corporation Device [8086:02e8]
Subsystem: Lenovo Device [17aa:22be]
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at ea245000 (64-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: intel-lpss
Kernel modules: intel_lpss_pci
00:15.1 Serial bus controller [0c80]: Intel Corporation Device [8086:02e9]
Subsystem: Lenovo Device [17aa:22be]
Flags: bus master, fast devsel, latency 0, IRQ 17
Memory at ea246000 (64-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: intel-lpss
Kernel modules: intel_lpss_pci
00:16.0 Communication controller [0780]: Intel Corporation Device [8086:02e0]
Subsystem: Lenovo Device [17aa:22be]
Flags: bus master, fast devsel, latency 0, IRQ 157
Memory at ea247000 (64-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: mei_me
Kernel modules: mei_me
00:1d.0 PCI bridge [0604]: Intel Corporation Device [8086:02b0] (rev f0) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 122
Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
Memory behind bridge: ea100000-ea1fffff
Capabilities: <access denied>
Kernel driver in use: pcieport
00:1d.4 PCI bridge [0604]: Intel Corporation Device [8086:02b4] (rev f0) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 123
Bus: primary=00, secondary=05, subordinate=52, sec-latency=0
I/O behind bridge: 00004000-00006fff
Memory behind bridge: d0000000-e81fffff
Prefetchable memory behind bridge: 0000000080000000-00000000bfffffff
Capabilities: <access denied>
Kernel driver in use: pcieport
00:1f.0 ISA bridge [0601]: Intel Corporation Device [8086:0284]
Subsystem: Lenovo Device [17aa:22be]
Flags: bus master, medium devsel, latency 0
00:1f.3 Audio device [0403]: Intel Corporation Device [8086:02c8] (prog-if 80)
Subsystem: Lenovo Device [17aa:22be]
Flags: bus master, fast devsel, latency 64, IRQ 169
Memory at ea23c000 (64-bit, non-prefetchable) [size=16K]
Memory at ea000000 (64-bit, non-prefetchable) [size=1M]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel, snd_sof_pci
00:1f.4 SMBus [0c05]: Intel Corporation Device [8086:02a3]
Subsystem: Lenovo Device [17aa:22be]
Flags: medium devsel, IRQ 16
Memory at ea248000 (64-bit, non-prefetchable) [size=256]
I/O ports at efa0 [size=32]
Kernel driver in use: i801_smbus
Kernel modules: i2c_i801
00:1f.5 Serial bus controller [0c80]: Intel Corporation Device [8086:02a4]
Subsystem: Lenovo Device [17aa:22be]
Flags: fast devsel
Memory at fe010000 (32-bit, non-prefetchable) [size=4K]
00:1f.6 Ethernet controller [0200]: Intel Corporation Device [8086:0d4f]
Subsystem: Lenovo Device [17aa:22be]
Flags: bus master, fast devsel, latency 0, IRQ 156
Memory at ea200000 (32-bit, non-prefetchable) [size=128K]
Capabilities: <access denied>
Kernel driver in use: e1000e
Kernel modules: e1000e
03:00.0 Non-Volatile memory controller [0108]: Sandisk Corp Device [15b7:5006] (prog-if 02 [NVM Express])
Subsystem: Sandisk Corp Device [15b7:5006]
Flags: bus master, fast devsel, latency 0, IRQ 16, NUMA node 0
Memory at ea100000 (64-bit, non-prefetchable) [size=16K]
Memory at ea104000 (64-bit, non-prefetchable) [size=256]
Capabilities: <access denied>
Kernel driver in use: nvme
Kernel modules: nvme
05:00.0 PCI bridge [0604]: Intel Corporation JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016] [8086:15d3] (rev 02) (prog-if 00 [Normal decode])
Physical Slot: 12
Flags: bus master, fast devsel, latency 0, IRQ 16
Bus: primary=05, secondary=06, subordinate=52, sec-latency=0
I/O behind bridge: 00004000-00005fff
Memory behind bridge: d0000000-e81fffff
Prefetchable memory behind bridge: 0000000080000000-00000000bfffffff
Capabilities: <access denied>
Kernel driver in use: pcieport
06:00.0 PCI bridge [0604]: Intel Corporation JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016] [8086:15d3] (rev 02) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 124
Bus: primary=06, secondary=07, subordinate=07, sec-latency=0
Memory behind bridge: e8100000-e81fffff
Capabilities: <access denied>
Kernel driver in use: pcieport
06:01.0 PCI bridge [0604]: Intel Corporation JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016] [8086:15d3] (rev 02) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 125
Bus: primary=06, secondary=08, subordinate=2c, sec-latency=0
I/O behind bridge: 00004000-00004fff
Memory behind bridge: dc100000-e80fffff
Prefetchable memory behind bridge: 00000000a0000000-00000000bfffffff
Capabilities: <access denied>
Kernel driver in use: pcieport
06:02.0 PCI bridge [0604]: Intel Corporation JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016] [8086:15d3] (rev 02) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 126
Bus: primary=06, secondary=2d, subordinate=2d, sec-latency=0
Memory behind bridge: dc000000-dc0fffff
Capabilities: <access denied>
Kernel driver in use: pcieport
06:04.0 PCI bridge [0604]: Intel Corporation JHL6540 Thunderbolt 3 Bridge (C step) [Alpine Ridge 4C 2016] [8086:15d3] (rev 02) (prog-if 00 [Normal decode])
Flags: bus master, fast devsel, latency 0, IRQ 127
Bus: primary=06, secondary=2e, subordinate=52, sec-latency=0
I/O behind bridge: 00005000-00005fff
Memory behind bridge: d0000000-dbffffff
Prefetchable memory behind bridge: 0000000080000000-000000009fffffff
Capabilities: <access denied>
Kernel driver in use: pcieport
07:00.0 System peripheral [0880]: Intel Corporation JHL6540 Thunderbolt 3 NHI (C step) [Alpine Ridge 4C 2016] [8086:15d2] (rev 02)
Subsystem: Lenovo JHL6540 Thunderbolt 3 NHI (C step) [Alpine Ridge 4C 2016] [17aa:22be]
Flags: bus master, fast devsel, latency 0, IRQ 16
Memory at e8100000 (32-bit, non-prefetchable) [size=256K]
Memory at e8140000 (32-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: thunderbolt
Kernel modules: thunderbolt
2d:00.0 USB controller [0c03]: Intel Corporation JHL6540 Thunderbolt 3 USB Controller (C step) [Alpine Ridge 4C 2016] [8086:15d4] (rev 02) (prog-if 30 [XHCI])
Subsystem: Lenovo JHL6540 Thunderbolt 3 USB Controller (C step) [Alpine Ridge 4C 2016] [17aa:22be]
Flags: fast devsel, IRQ 155
Memory at dc000000 (32-bit, non-prefetchable) [size=64K]
Capabilities: <access denied>
Kernel driver in use: xhci_hcd
Kernel modules: xhci_pci
#2
LQ Guru
Registered: Jan 2006
Location: Ireland
Distribution: Slackware, Slarm64 & Android
Posts: 16,455
Hit Ctrl_Alt_F1 or wherever X outputs it's thinking and check for output there. you can pause the screen
That failing, boot to runlevel 3, (set in /etc/inittab) and use
Code:
startx >~/pause.err 2>&1
and you should trap that error.
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Short Xorg freezes with Carbon ThinkPad x1 8th Gen + Debian Buster
