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Encountered a NS_ERROR_DOM_MEDIA_FATAL_ERR in the MediaDecoderStateMachineBase.cpp process while accessing multiple pdf files.

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Opened a directory of pdfs from the command line using ```firefox * &``` and went on with my work. Checked the terminal to see these error messages: ``` [Child 19416, MediaDecoderStateMachine #1] WARNING: Decoder=7f6e75431700 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005): file /builddir/build/BUILD/firefox-125.0.2/dom/media/MediaDecoderStateMachineBase.cpp:167 [Child 19416, MediaDecoderStateMachine #1] WARNING: Decoder=7f6e79a87a00 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005): file /builddir/build/BUILD/firefox-125.0.2/dom/media/MediaDecoderStateMachineBase.cpp:167 [Child 19416, MediaDecoderStateMachine #1] WARNING: Decoder=7f6e84e52400 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005): file /builddir/build/BUILD/firefox-125.0.2/dom/media/MediaDecoderStateMachineBase.cpp:167 ``` I tried recreating this error by restarting the entire process and repeating everything, but to no avail. I'll try to recreate the error a few more times, however if I don't post a message it means I was unsuccessful.

Details: Mozilla Firefox 125.0.2

CPU: Architecture: x86_64

 CPU op-mode(s):         32-bit, 64-bit
 Address sizes:          39 bits physical, 48 bits virtual
 Byte Order:             Little Endian

CPU(s): 8

 On-line CPU(s) list:    0-7

Vendor ID: GenuineIntel

 Model name:             Intel(R) Core(TM) i5-8350U CPU @ 1.70GHz
   CPU family:           6
   Model:                142
   Thread(s) per core:   2
   Core(s) per socket:   4
   Socket(s):            1
   Stepping:             10
   CPU(s) scaling MHz:   22%
   CPU max MHz:          3600.0000
   CPU min MHz:          400.0000
   BogoMIPS:             3799.90
   Flags:                fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge
                          mca cmov pat pse36 clflush dts acpi mmx fxsr sse ss
                         e2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constan
                         t_tsc art arch_perfmon pebs bts rep_good nopl xtopol
                         ogy nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes6
                         4 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16
                          xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt ts
                         c_deadline_timer aes xsave avx f16c rdrand lahf_lm a
                         bm 3dnowprefetch cpuid_fault epb pti ssbd ibrs ibpb 
                         stibp tpr_shadow flexpriority ept vpid ept_ad fsgsba
                         se tsc_adjust sgx bmi1 avx2 smep bmi2 erms invpcid m
                         px rdseed adx smap clflushopt intel_pt xsaveopt xsav
                         ec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_no
                         tify hwp_act_window hwp_epp vnmi md_clear flush_l1d 
                         arch_capabilities

Virtualization features:

 Virtualization:         VT-x

Caches (sum of all):

 L1d:                    128 KiB (4 instances)
 L1i:                    128 KiB (4 instances)
 L2:                     1 MiB (4 instances)
 L3:                     6 MiB (1 instance)

NUMA:

 NUMA node(s):           1
 NUMA node0 CPU(s):      0-7

Vulnerabilities:

 Gather data sampling:   Mitigation; Microcode
 Itlb multihit:          KVM: Mitigation: VMX disabled
 L1tf:                   Mitigation; PTE Inversion; VMX conditional cache flu
                         shes, SMT vulnerable
 Mds:                    Mitigation; Clear CPU buffers; SMT vulnerable
 Meltdown:               Mitigation; PTI
 Mmio stale data:        Mitigation; Clear CPU buffers; SMT vulnerable
 Reg file data sampling: Not affected
 Retbleed:               Mitigation; IBRS
 Spec rstack overflow:   Not affected
 Spec store bypass:      Mitigation; Speculative Store Bypass disabled via pr
                         ctl
 Spectre v1:             Mitigation; usercopy/swapgs barriers and __user poin
                         ter sanitization
 Spectre v2:             Mitigation; IBRS; IBPB conditional; STIBP conditiona
                         l; RSB filling; PBRSB-eIBRS Not affected; BHI Not af
                         fected
 Srbds:                  Mitigation; Microcode
 Tsx async abort:        Mitigation; TSX disabled
Opened a directory of pdfs from the command line using ```firefox * &``` and went on with my work. Checked the terminal to see these error messages: ``` [Child 19416, MediaDecoderStateMachine #1] WARNING: Decoder=7f6e75431700 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005): file /builddir/build/BUILD/firefox-125.0.2/dom/media/MediaDecoderStateMachineBase.cpp:167 [Child 19416, MediaDecoderStateMachine #1] WARNING: Decoder=7f6e79a87a00 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005): file /builddir/build/BUILD/firefox-125.0.2/dom/media/MediaDecoderStateMachineBase.cpp:167 [Child 19416, MediaDecoderStateMachine #1] WARNING: Decoder=7f6e84e52400 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005): file /builddir/build/BUILD/firefox-125.0.2/dom/media/MediaDecoderStateMachineBase.cpp:167 ``` I tried recreating this error by restarting the entire process and repeating everything, but to no avail. I'll try to recreate the error a few more times, however if I don't post a message it means I was unsuccessful. Details: Mozilla Firefox 125.0.2 CPU: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 39 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 8 On-line CPU(s) list: 0-7 Vendor ID: GenuineIntel Model name: Intel(R) Core(TM) i5-8350U CPU @ 1.70GHz CPU family: 6 Model: 142 Thread(s) per core: 2 Core(s) per socket: 4 Socket(s): 1 Stepping: 10 CPU(s) scaling MHz: 22% CPU max MHz: 3600.0000 CPU min MHz: 400.0000 BogoMIPS: 3799.90 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse ss e2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constan t_tsc art arch_perfmon pebs bts rep_good nopl xtopol ogy nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes6 4 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt ts c_deadline_timer aes xsave avx f16c rdrand lahf_lm a bm 3dnowprefetch cpuid_fault epb pti ssbd ibrs ibpb stibp tpr_shadow flexpriority ept vpid ept_ad fsgsba se tsc_adjust sgx bmi1 avx2 smep bmi2 erms invpcid m px rdseed adx smap clflushopt intel_pt xsaveopt xsav ec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_no tify hwp_act_window hwp_epp vnmi md_clear flush_l1d arch_capabilities Virtualization features: Virtualization: VT-x Caches (sum of all): L1d: 128 KiB (4 instances) L1i: 128 KiB (4 instances) L2: 1 MiB (4 instances) L3: 6 MiB (1 instance) NUMA: NUMA node(s): 1 NUMA node0 CPU(s): 0-7 Vulnerabilities: Gather data sampling: Mitigation; Microcode Itlb multihit: KVM: Mitigation: VMX disabled L1tf: Mitigation; PTE Inversion; VMX conditional cache flu shes, SMT vulnerable Mds: Mitigation; Clear CPU buffers; SMT vulnerable Meltdown: Mitigation; PTI Mmio stale data: Mitigation; Clear CPU buffers; SMT vulnerable Reg file data sampling: Not affected Retbleed: Mitigation; IBRS Spec rstack overflow: Not affected Spec store bypass: Mitigation; Speculative Store Bypass disabled via pr ctl Spectre v1: Mitigation; usercopy/swapgs barriers and __user poin ter sanitization Spectre v2: Mitigation; IBRS; IBPB conditional; STIBP conditiona l; RSB filling; PBRSB-eIBRS Not affected; BHI Not af fected Srbds: Mitigation; Microcode Tsx async abort: Mitigation; TSX disabled

All Replies (1)

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I don't think that those errors are related to PDF files. As you can see by the filename MediaDecoderStateMachineBase.cpp, this is about decoding media (audio/video).

Make sure you have the latest FFmpeg and libavcodec packages installed.

You can check the Media section in "Help -> More Troubleshooting Information" (about:support) to see if errors are reported and codec support.

Helpful?

Cuir ceist

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