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Created attachment 1863362[details]
strace output snippet following open of the usb device /dev/bus/usb/006/002
Description of problem:
usbhid-ups from the "nut" UPS monitor works as expected with libusbx-1.0.24-4.el9. However, after updating to libusbx-1.0.25-2.el9.x86_64, it is unable to identify a USB attached UPS.
I'll attach two snippets of strace output, one that fails (with 1.0.25 installed) and one that works as expected (with 1.0.24 installed). If those are not useful, please let me know what other information might be.
/etc/ups/ups.conf contains:
[apc]
driver = usbhid-ups
port = auto
Version-Release number of selected component (if applicable):
libusbx-1.0.25-2.el9.x86_64
How reproducible:
Always
Steps to Reproduce:
1. Configure nut to monitor Back-UPS RS 1500MS, as above
2. Run "usbhid-ups -a apc"
3. Update to libusbx-1.0.25-2.el9.x86_64
4. Run "usbhid-ups -a apc"
Actual results:
usbhid-ups will report that it can't identify the UPS (info like "Manufacturer: unknown" and "Unable to get HID descriptor (No such device or address)") and exits.
Expected results:
Additional info:
Yeah, the CentOS version is messed up currently. I was working on solutions for Fedora, but haven't pushing anything new into CentOS had not been on my radar.
For now, I suggest downgrading to 1.0.24.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (libusbx bug fix and enhancement update), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHBA-2022:8292
Created attachment 1863362 [details] strace output snippet following open of the usb device /dev/bus/usb/006/002 Description of problem: usbhid-ups from the "nut" UPS monitor works as expected with libusbx-1.0.24-4.el9. However, after updating to libusbx-1.0.25-2.el9.x86_64, it is unable to identify a USB attached UPS. I'll attach two snippets of strace output, one that fails (with 1.0.25 installed) and one that works as expected (with 1.0.24 installed). If those are not useful, please let me know what other information might be. /etc/ups/ups.conf contains: [apc] driver = usbhid-ups port = auto Version-Release number of selected component (if applicable): libusbx-1.0.25-2.el9.x86_64 How reproducible: Always Steps to Reproduce: 1. Configure nut to monitor Back-UPS RS 1500MS, as above 2. Run "usbhid-ups -a apc" 3. Update to libusbx-1.0.25-2.el9.x86_64 4. Run "usbhid-ups -a apc" Actual results: usbhid-ups will report that it can't identify the UPS (info like "Manufacturer: unknown" and "Unable to get HID descriptor (No such device or address)") and exits. Expected results: Additional info: