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Groups > linux.debian.user > #241587

Re: computer screen blink

From Jerome BENOIT <sphericaltriangle@rezozer.net>
Newsgroups linux.debian.user
Subject Re: computer screen blink
Date 2021-10-22 12:00 +0200
Message-ID <DaZvb-5Mc-11@gated-at.bofh.it> (permalink)
References (2 earlier) <DaC5z-8cP-1@gated-at.bofh.it> <DaCff-8vr-3@gated-at.bofh.it> <DaXWp-4Yc-1@gated-at.bofh.it> <DaZ29-5BL-9@gated-at.bofh.it> <DaZlw-5IH-5@gated-at.bofh.it>
Organization Round Sphere

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Hi Again,
nouveau failed to load some firmware.

On 22/10/2021 11:40, lina wrote:
> # dmesg | grep -i nouveau
> [    1.656164] fb0: switching to nouveaufb from EFI VGA
> [    1.656250] nouveau 0000:01:00.0: vgaarb: deactivate vga console
> [    1.657164] nouveau 0000:01:00.0: NVIDIA GK208B (b06070b1)
> [    1.766995] nouveau 0000:01:00.0: bios: version 80.28.78.00.30
> [    1.767490] nouveau 0000:01:00.0: fb: 2048 MiB DDR3
> [    1.778993] nouveau 0000:01:00.0: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x000d address=0x0 flags=0x0000]
> [    3.117074] nouveau 0000:01:00.0: DRM: VRAM: 2048 MiB
> [    3.117075] nouveau 0000:01:00.0: DRM: GART: 1048576 MiB
> [    3.117076] nouveau 0000:01:00.0: DRM: TMDS table version 2.0
> [    3.117077] nouveau 0000:01:00.0: DRM: DCB version 4.0
> [    3.117078] nouveau 0000:01:00.0: DRM: DCB outp 00: 01000f02 00020030
> [    3.117078] nouveau 0000:01:00.0: DRM: DCB outp 01: 02011f62 00020010
> [    3.117079] nouveau 0000:01:00.0: DRM: DCB outp 02: 02022f10 00000000
> [    3.117080] nouveau 0000:01:00.0: DRM: DCB conn 00: 00001031
> [    3.117080] nouveau 0000:01:00.0: DRM: DCB conn 01: 00002161
> [    3.117081] nouveau 0000:01:00.0: DRM: DCB conn 02: 00000200
> [    3.117401] nouveau 0000:01:00.0: DRM: MM: using COPY for buffer copies
> [    3.369837] nouveau 0000:01:00.0: DRM: allocated 1920x1080 fb: 0x80000, bo 00000000fd740eca
> [    3.369966] fbcon: nouveaudrmfb (fb0) is primary device
> [    3.417039] nouveau 0000:01:00.0: [drm] fb0: nouveaudrmfb frame buffer device
> [    3.432556] [drm] Initialized nouveau 1.3.1 20120801 for 0000:01:00.0 on minor 0
> [    4.294574] snd_hda_intel 0000:01:00.1: bound 0000:01:00.0 (ops nv50_audio_component_bind_ops [nouveau])
> [   52.719911] nouveau 0000:01:00.0: firmware: failed to load nouveau/nv106_fuc084 (-2)
> [   52.719918] nouveau 0000:01:00.0: Direct firmware load for nouveau/nv106_fuc084 failed with error -2
> [   52.719926] nouveau 0000:01:00.0: firmware: failed to load nouveau/nv106_fuc084d (-2)
> [   52.719928] nouveau 0000:01:00.0: Direct firmware load for nouveau/nv106_fuc084d failed with error -2
> [   52.719930] nouveau 0000:01:00.0: msvld: unable to load firmware data
> [   52.719931] nouveau 0000:01:00.0: msvld: init failed, -19
> [16000.312421] nouveau 0000:01:00.0: gr: TRAP ch 2 [007fb03000 Xorg[2420]]
> [16000.312434] nouveau 0000:01:00.0: gr: GPC0/TPC0/MP trap: global 00000000 [] warp 3c0009 [ILLEGAL_INSTR_ENCODING]
> [16000.332583] nouveau 0000:01:00.0: fifo: fault 00 [READ] at 0000009f05b40000 engine 00 [GR] client 0d [GPC0/GCC] reason 00 [PDE] on channel 2 [007fb03000 Xorg[2420]]
> [16000.332591] nouveau 0000:01:00.0: fifo: channel 2: killed
> [16000.332593] nouveau 0000:01:00.0: fifo: runlist 0: scheduled for recovery
> [16000.332597] nouveau 0000:01:00.0: fifo: engine 0: scheduled for recovery
> [16000.332603] nouveau 0000:01:00.0: fifo: engine 6: scheduled for recovery
> [16000.332626] nouveau 0000:01:00.0: Xorg[2420]: channel 2 killed!
> [16014.029755] nouveau 0000:01:00.0: firmware: failed to load nouveau/nv106_fuc084 (-2)
> [16014.029764] nouveau 0000:01:00.0: Direct firmware load for nouveau/nv106_fuc084 failed with error -2
> [16014.029782] nouveau 0000:01:00.0: firmware: failed to load nouveau/nv106_fuc084d (-2)
> [16014.029786] nouveau 0000:01:00.0: Direct firmware load for nouveau/nv106_fuc084d failed with error -2
> [16014.029789] nouveau 0000:01:00.0: msvld: unable to load firmware data
> [16014.029792] nouveau 0000:01:00.0: msvld: init failed, -19
> [86845.159048] WARNING: CPU: 109 PID: 897 at drivers/gpu/drm/nouveau/nvif/vmm.c:68 nvif_vmm_put+0x6a/0x80 [nouveau]
> [86845.159209]  x_tables autofs4 ext4 crc16 mbcache jbd2 crc32c_generic hid_apple uas usb_storage sd_mod hid_generic usbhid hid nouveau mxm_wmi nvme video ahci ttm libahci nvme_core xhci_pci drm_kms_helper libata t10_pi crc32_pclmul igb xhci_hcd cec crc32c_intel crc_t10dif e1000e dca crct10dif_generic scsi_mod crct10dif_pclmul ptp drm usbcore crct10dif_common pps_core i2c_algo_bit i2c_piix4 usb_common wmi button [last unloaded: cpuid]
> [86845.159348] Workqueue: events nouveau_cli_work [nouveau]
> [86845.159380] RIP: 0010:nvif_vmm_put+0x6a/0x80 [nouveau]
> [86845.159439]  nouveau_vma_del+0x78/0xc0 [nouveau]
> [86845.159480]  nouveau_gem_object_delete_work+0x36/0x60 [nouveau]
> [86845.159526]  nouveau_cli_work+0xcc/0x120 [nouveau]
> 
>   #1 SMP Debian 5.10.70-1 (2021-09-30) x86_64 GNU/Linux
> 
> On Fri, Oct 22, 2021 at 11:23 AM Jerome BENOIT <sphericaltriangle@rezozer.net <mailto:sphericaltriangle@rezozer.net>> wrote:
> 
>     Hi Lina, so you are mainly playing with a server and you are certnaily used an external monitor.
>     Have you tried with a totally different monitor ?
>     Are using a VGA terminal or Xorg windows ?
>     What does dmesg gives against nouveau ?
>     As root:
>     # dmesg | grep -i nouveau
>     What is you actual kernel:
>     # uname -a
>     Best whises,
>     Jerome
> 
> 
>     On 22/10/2021 10:09, lina wrote:
>      > Hi Jerome,
>      >
>      > It is not a Mac computer.
>      >
>      > It has only one System, Linux.
>      >
>      > The hardware should be fine as it happens after A BIG UPdating of the system.
>      >
>      > Howere, below is the hardware info. for your information,
>      >
>      > # lspci
>      > 00:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Root Complex
>      > 00:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Starship/Matisse IOMMU
>      > 00:01.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 00:01.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse GPP Bridge
>      > 00:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 00:03.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 00:04.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 00:05.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 00:07.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 00:07.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B]
>      > 00:08.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 00:08.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B]
>      > 00:14.0 SMBus: Advanced Micro Devices, Inc. [AMD] FCH SMBus Controller (rev 61)
>      > 00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD] FCH LPC Bridge (rev 51)
>      > 00:18.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship Device 24; Function 0
>      > 00:18.1 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship Device 24; Function 1
>      > 00:18.2 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship Device 24; Function 2
>      > 00:18.3 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship Device 24; Function 3
>      > 00:18.4 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship Device 24; Function 4
>      > 00:18.5 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship Device 24; Function 5
>      > 00:18.6 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship Device 24; Function 6
>      > 00:18.7 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship Device 24; Function 7
>      > 01:00.0 VGA compatible controller: NVIDIA Corporation GK208B [GeForce GT 730] (rev a1)
>      > 01:00.1 Audio device: NVIDIA Corporation GK208 HDMI/DP Audio Controller (rev a1)
>      > 02:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Function
>      > 03:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Reserved SPP
>      > 03:00.3 USB controller: Advanced Micro Devices, Inc. [AMD] Starship USB 3.0 Host Controller
>      > 20:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Root Complex
>      > 20:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Starship/Matisse IOMMU
>      > 20:01.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 20:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 20:03.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 20:04.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 20:05.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 20:07.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 20:07.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B]
>      > 20:08.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 20:08.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B]
>      > 21:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Function
>      > 22:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Reserved SPP
>      > 22:00.1 Encryption controller: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Cryptographic Coprocessor PSPCPP
>      > 22:00.3 USB controller: Advanced Micro Devices, Inc. [AMD] Starship USB 3.0 Host Controller
>      > 22:00.4 Audio device: Advanced Micro Devices, Inc. [AMD] Starship/Matisse HD Audio Controller
>      > 40:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Root Complex
>      > 40:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Starship/Matisse IOMMU
>      > 40:01.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 40:01.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse GPP Bridge
>      > 40:01.4 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse GPP Bridge
>      > 40:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 40:03.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 40:04.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 40:05.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 40:07.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 40:07.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B]
>      > 40:08.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 40:08.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B]
>      > 41:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Matisse Switch Upstream
>      > 42:02.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Matisse PCIe GPP Bridge
>      > 42:05.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Matisse PCIe GPP Bridge
>      > 42:08.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Matisse PCIe GPP Bridge
>      > 42:09.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Matisse PCIe GPP Bridge
>      > 42:0a.0 PCI bridge: Advanced Micro Devices, Inc. [AMD] Matisse PCIe GPP Bridge
>      > 43:00.0 Ethernet controller: Intel Corporation 82574L Gigabit Network Connection
>      > 44:00.0 Ethernet controller: Intel Corporation I211 Gigabit Network Connection (rev 03)
>      > 45:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Reserved SPP
>      > 45:00.1 USB controller: Advanced Micro Devices, Inc. [AMD] Matisse USB 3.0 Host Controller
>      > 45:00.3 USB controller: Advanced Micro Devices, Inc. [AMD] Matisse USB 3.0 Host Controller
>      > 46:00.0 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] (rev 51)
>      > 47:00.0 SATA controller: Advanced Micro Devices, Inc. [AMD] FCH SATA Controller [AHCI mode] (rev 51)
>      > 48:00.0 Non-Volatile memory controller: Seagate Technology PLC Device 5016 (rev 01)
>      > 49:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Function
>      > 4a:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Reserved SPP
>      > 60:00.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Root Complex
>      > 60:00.2 IOMMU: Advanced Micro Devices, Inc. [AMD] Starship/Matisse IOMMU
>      > 60:01.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 60:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 60:03.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 60:04.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 60:05.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 60:07.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 60:07.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B]
>      > 60:08.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Host Bridge
>      > 60:08.1 PCI bridge: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Internal PCIe GPP Bridge 0 to bus[E:B]
>      > 61:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse PCIe Dummy Function
>      > 62:00.0 Non-Essential Instrumentation [1300]: Advanced Micro Devices, Inc. [AMD] Starship/Matisse Reserved SPP
>      >
>      > # lscpu
>      > Architecture:                    x86_64
>      > CPU op-mode(s):                  32-bit, 64-bit
>      > Byte Order:                      Little Endian
>      > Address sizes:                   43 bits physical, 48 bits virtual
>      > CPU(s):                          128
>      > On-line CPU(s) list:             0-127
>      > Thread(s) per core:              2
>      > Core(s) per socket:              64
>      > Socket(s):                       1
>      > NUMA node(s):                    1
>      > Vendor ID:                       AuthenticAMD
>      > CPU family:                      23
>      > Model:                           49
>      > Model name:                      AMD Ryzen Threadripper 3990X 64-Core Processor
>      > Stepping:                        0
>      > Frequency boost:                 enabled
>      > CPU MHz:                         831.524
>      > CPU max MHz:                     6352.2461
>      > CPU min MHz:                     2200.0000
>      > BogoMIPS:                        5788.95
>      > Virtualization:                  AMD-V
>      > L1d cache:                       2 MiB
>      > L1i cache:                       2 MiB
>      > L2 cache:                        32 MiB
>      > L3 cache:                        256 MiB
>      > NUMA node0 CPU(s):               0-127
>      > Vulnerability Itlb multihit:     Not affected
>      > Vulnerability L1tf:              Not affected
>      > Vulnerability Mds:               Not affected
>      > Vulnerability Meltdown:          Not affected
>      > Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled v
>      >                                   ia prctl and seccomp
>      > Vulnerability Spectre v1:        Mitigation; usercopy/swapgs barriers and __user
>      >                                    pointer sanitization
>      > Vulnerability Spectre v2:        Mitigation; Full AMD retpoline, IBPB conditiona
>      >                                   l, STIBP conditional, RSB filling
>      > Vulnerability Srbds:             Not affected
>      > Vulnerability Tsx async abort:   Not affected
>      > Flags:                           fpu vme de pse tsc msr pae mce cx8 apic sep mtr
>      >                                   r pge mca cmov pat pse36 clflush mmx fxsr sse s
>      >                                   se2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtsc
>      >                                   p lm constant_tsc rep_good nopl nonstop_tsc cpu
>      >                                   id extd_apicid aperfmperf pni pclmulqdq monitor
>      >                                    ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes
>      >                                   xsave avx f16c rdrand lahf_lm cmp_legacy svm ex
>      >                                   tapic cr8_legacy abm sse4a misalignsse 3dnowpre
>      >                                   fetch osvw ibs skinit wdt tce topoext perfctr_c
>      >                                   ore perfctr_nb bpext perfctr_llc mwaitx cpb cat
>      >                                   _l3 cdp_l3 hw_pstate sme ssbd mba sev ibpb stib
>      >                                   p vmmcall sev_es fsgsbase bmi1 avx2 smep bmi2 c
>      >                                   qm rdt_a rdseed adx smap clflushopt clwb sha_ni
>      >                                    xsaveopt xsavec xgetbv1 xsaves cqm_llc cqm_occ
>      >                                   up_llc cqm_mbm_total cqm_mbm_local clzero irper
>      >                                   f xsaveerptr rdpru wbnoinvd arat npt lbrv svm_l
>      >                                   ock nrip_save tsc_scale vmcb_clean flushbyasid
>      >                                   decodeassists pausefilter pfthreshold avic v_vm
>      >                                   save_vmload vgif umip rdpid overflow_recov succ
>      >                                   or smca
>      >
>      >
>      > On Thu, Oct 21, 2021 at 11:04 AM Jerome BENOIT <sphericaltriangle@rezozer.net <mailto:sphericaltriangle@rezozer.net> <mailto:sphericaltriangle@rezozer.net <mailto:sphericaltriangle@rezozer.net>>> wrote:
>      >
>      >     Hi,
>      >     you may fist determine if it is a hardware issue or a software issue.
>      >     Some Mac screens are known to flicker after a while.
>      >     What is your computer ? Can you boot on Windows/MacOS to see if the same thing happens ?
>      >     Knowing your hardware may help a lot.
>      >     hth,
>      >     Jerome
>      >
>      >     On 21/10/2021 10:51, lina wrote:
>      >      > k10temp-pci-00c3
>      >      > Adapter: PCI adapter
>      >      > Tctl:         +62.6°C
>      >      > Tdie:         +62.6°C
>      >      > Tccd1:        +45.2°C
>      >      > Tccd2:        +62.8°C
>      >      > Tccd3:        +60.8°C
>      >      > Tccd4:        +45.8°C
>      >      > Tccd5:        +43.8°C
>      >      > Tccd6:        +45.2°C
>      >      > Tccd7:        +43.5°C
>      >      > Tccd8:        +43.5°C
>      >      >
>      >      > nvme-pci-4800
>      >      > Adapter: PCI adapter
>      >      > Composite:    +34.9°C  (low  =  -0.1°C, high = +89.8°C)
>      >      >                         (crit = +94.8°C)
>      >      >
>      >      > nouveau-pci-0100
>      >      > Adapter: PCI adapter
>      >      > GPU core:    912.00 mV (min =  +0.80 V, max =  +1.19 V)
>      >      > temp1:        +34.0°C  (high = +95.0°C, hyst =  +3.0°C)
>      >      >                         (crit = +105.0°C, hyst =  +5.0°C)
>      >      >                         (emerg = +135.0°C, hyst =  +5.0°C)
>      >      >
>      >      > On Wed, Oct 20, 2021 at 3:22 PM Andrew M.A. Cater <amacater@einval.com <mailto:amacater@einval.com> <mailto:amacater@einval.com <mailto:amacater@einval.com>> <mailto:amacater@einval.com <mailto:amacater@einval.com> <mailto:amacater@einval.com <mailto:amacater@einval.com>>>> wrote:
>      >      >
>      >      >     On Wed, Oct 20, 2021 at 02:42:11PM +0200, lina wrote:
>      >      >      > Hi all,
>      >      >      >
>      >      >      > After using the computer for a long while, my screen will blink.
>      >      >      >
>      >      >      > It has been months since the last time I upgraded the system.
>      >      >      >
>      >      >      > I don't know how to start checking, every time I have to reboot the
>      >      >      > computer,
>      >      >      >
>      >      >      > would be great to get your advice,
>      >      >      >
>      >      >      > thanks,
>      >      >
>      >      >     First things first: update your computer. Security fixes and fixes for
>      >      >     other problems come out all the time.
>      >      >
>      >      >     What Debian version are you running?
>      >      >
>      >      >     On what sort of computer?
>      >      >
>      >      >     Do you have screensavers or similar kicking in?
>      >      >
>      >      >     is there a temperature issue?
>      >      >
>      >      >     Are there logs?
>      >      >
>      >      >     A little more information would be helpful.
>      >      >
>      >      >     All the very best, as ever,
>      >      >
>      >      >     Andy Cater
>      >      >
>      >
> 

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computer screen blink lina <lina.lastname@gmail.com> - 2021-10-20 14:50 +0200
  Re: computer screen blink "Andrew M.A. Cater" <amacater@einval.com> - 2021-10-20 15:30 +0200
    Re: computer screen blink lina <lina.lastname@gmail.com> - 2021-10-21 10:00 +0200
      Re: computer screen blink "Andrew M.A. Cater" <amacater@einval.com> - 2021-10-21 11:00 +0200
        Re: computer screen blink lina <lina.lastname@gmail.com> - 2021-10-22 10:10 +0200
    Re: computer screen blink lina <lina.lastname@gmail.com> - 2021-10-21 11:00 +0200
      Re: computer screen blink Jerome BENOIT <sphericaltriangle@rezozer.net> - 2021-10-21 11:10 +0200
        Re: computer screen blink lina <lina.lastname@gmail.com> - 2021-10-22 10:20 +0200
          Re: computer screen blink "Andrew M.A. Cater" <amacater@einval.com> - 2021-10-22 11:20 +0200
            Re: computer screen blink Jerome BENOIT <sphericaltriangle@rezozer.net> - 2021-10-22 11:50 +0200
              Re: computer screen blink Jerome BENOIT <sphericaltriangle@rezozer.net> - 2021-10-22 12:00 +0200
                Re: computer screen blink Greg Wooledge <greg@wooledge.org> - 2021-10-22 13:40 +0200
            Re: computer screen blink Hans <hans.ullrich@loop.de> - 2021-10-22 12:10 +0200
              Re: computer screen blink Dan Ritter <dsr@randomstring.org> - 2021-10-22 13:10 +0200
            Re: computer screen blink Greg Wooledge <greg@wooledge.org> - 2021-10-22 13:40 +0200
          Re: computer screen blink Jerome BENOIT <sphericaltriangle@rezozer.net> - 2021-10-22 11:30 +0200
            Re: computer screen blink Jerome BENOIT <sphericaltriangle@rezozer.net> - 2021-10-22 12:00 +0200
            Re: computer screen blink lina <lina.lastname@gmail.com> - 2021-10-22 17:20 +0200
            Re: computer screen blink David Wright <deblis@lionunicorn.co.uk> - 2021-10-22 17:20 +0200

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