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What is the meaning of these messages in dmesg?

[184608.460680] nouveau 0000:01:00.0: fb: trapped read at 0101400000 on channel -1 [3fee0000 unknown] engine 06 [BAR] client 08 [PFIFO_READ] subclient 01 [IN] reason 00000002 [PAGE_NOT_PRESENT]                                                                                               
[185208.535291] nouveau 0000:01:00.0: fb: trapped read at 0101400000 on channel -1 [3fee0000 unknown] engine 06 [BAR] client 08 [PFIFO_READ] subclient 01 [IN] reason 00000002 [PAGE_NOT_PRESENT]                                                                                               
[185808.593951] nouveau 0000:01:00.0: fb: trapped read at 0101400000 on channel -1 [3fee0000 unknown] engine 06 [BAR] client 08 [PFIFO_READ] subclient 01 [IN] reason 00000002 [PAGE_NOT_PRESENT]                                                                                               
[187008.711644] nouveau 0000:01:00.0: fb: trapped read at 0101400000 on channel -1 [3fee0000 unknown] engine 06 [BAR] client 08 [PFIFO_READ] subclient 01 [IN] reason 00000002 [PAGE_NOT_PRESENT]                                                                                               
[188808.928580] nouveau 0000:01:00.0: fb: trapped read at 0101400000 on channel -1 [3fee0000 unknown] engine 06 [BAR] client 08 [PFIFO_READ] subclient 01 [IN] reason 00000002 [PAGE_NOT_PRESENT]                                                                                               
[190009.066819] nouveau 0000:01:00.0: fb: trapped read at 0101400000 on channel -1 [3fee0000 unknown] engine 06 [BAR] client 08 [PFIFO_READ] subclient 01 [IN] reason 00000002 [PAGE_NOT_PRESENT]                                                                                               
[191209.156346] nouveau 0000:01:00.0: fb: trapped read at 0101400000 on channel -1 [3fee0000 unknown] engine 06 [BAR] client 08 [PFIFO_READ] subclient 01 [IN] reason 00000002 [PAGE_NOT_PRESENT]

Is it a hardware or software problem?

kashish
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pat rako
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  • This means that you didn't install Nvidia drivers. – Pilot6 Jul 26 '20 at 13:43
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    Does this answer your question? [How to download all required Ubuntu drivers](https://askubuntu.com/questions/543325/how-to-download-all-required-ubuntu-drivers) – karel Jul 28 '20 at 15:15

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