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#1 2024-09-16 08:08:44
- jlownie
- Member
- Registered: 2015-08-09
- Posts: 10
[Solved] Zoom H5 USB sound recorder not detected
Hello, I have a Zoom H5 sound recorder that has a USB interface. Normally if you plug it in with a USB cable you can see the files that are on it, however this stopped working about 4 months ago, possibly after an Arch upgrade (pacman -Syu).
It is not listed in the output from lsusb and dmesg shows no messages related to it that I can find.
I tried 3 different USB ports. The H5 detects when the USB cable is plugged in and is drawing power through the connection. The device is detected in Windows on the same computer and works OK there.
Does anyone have any advice as to how I could troubleshoot this further?
Last edited by jlownie (2024-10-10 02:40:34)
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#2 2024-09-16 09:43:33
- gromit
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- From: Germany
- Registered: 2024-02-10
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Re: [Solved] Zoom H5 USB sound recorder not detected
Which kernel are you currently using? Does using linux-lts help?
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#3 2024-09-17 02:29:54
- jlownie
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- Registered: 2015-08-09
- Posts: 10
Re: [Solved] Zoom H5 USB sound recorder not detected
Kernel:
$ uname -srv
Linux 6.10.6-arch1-1 #1 SMP PREEMPT_DYNAMIC Mon, 19 Aug 2024 17:02:39 +0000I tried using the linux-lts kernel and it mounted automatically like it used to do. So there is a bug in the kernel?
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#4 2024-09-17 09:10:19
- gromit
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Re: [Solved] Zoom H5 USB sound recorder not detected
It could be a bug in the kernel ... Could you try to downgrade to one kernel of the 6.9.y series and see if it works there? This would narrow it down quite a bit more 
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#5 2024-10-10 01:36:33
- jlownie
- Member
- Registered: 2015-08-09
- Posts: 10
Re: [Solved] Zoom H5 USB sound recorder not detected
I reverted to 6.9.10 - the device is detected but doesn't mount automatically. I was able to manually mount it OK.
I also tried 6.9.0 and the device was mounted automatically.
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#6 2024-10-10 02:39:47
- jlownie
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- Registered: 2015-08-09
- Posts: 10
Re: [Solved] Zoom H5 USB sound recorder not detected
Something I did broke my video card drivers, so I reinstalled those and also upgraded the kernel to 6.10.10. At this point I tried the device again and it worked OK. So I guess the most likely explanation is that there was a bug in the kernel that was fixed. I could revert back to an older version to confirm this, but I've spent so much time on this issue that I'm not going to do that unless the information is very useful to someone.
Thanks very much for your help gromit 
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