Control: tag -1 + moreinfo On Fri, Apr 10, 2026 at 06:11:59PM +0200, Johan Kroeckel wrote: > Package: src:linux > Version: 6.12.74-2 > Severity: normal > X-Debbugs-Cc: [email protected], [email protected] > User: [email protected] > Usertags: amd64 > > When the UPS is connected to USB (control) the system doesn't suspend > completely. Hard drives spin down but fans keep running. > > $ lsusb > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > Bus 001 Device 002: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card > Reader Controller > Bus 001 Device 004: ID 05e3:0610 Genesys Logic, Inc. Hub > Bus 001 Device 005: ID 05e3:0610 Genesys Logic, Inc. Hub > Bus 001 Device 006: ID 046a:0011 CHERRY G83 (RS 6000) Keyboard > Bus 001 Device 007: ID 045e:07fd Microsoft Corp. Nano Transceiver 1.1 > Bus 001 Device 009: ID 0463:ffff MGE UPS Systems UPS <---- > Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub > > relevant journal parts: > > Apr 10 17:43:22 singapore kernel: xhci_hcd 0000:00:14.0: PM: > pci_pm_suspend(): hcd_pci_suspend [usbcore] returns -16 > Apr 10 17:43:22 singapore kernel: xhci_hcd 0000:00:14.0: PM: > dpm_run_callback(): pci_pm_suspend returns -16 > Apr 10 17:43:22 singapore kernel: xhci_hcd 0000:00:14.0: PM: failed to > suspend async: error -16 > Apr 10 17:44:08 singapore kernel: amdgpu 0000:19:00.0: amdgpu: psp gfx > command UNLOAD_TA(0x2) failed and response status is (0x117) > Apr 10 17:44:08 singapore kernel: PM: Some devices failed to suspend, or > early wake event detected
Hmm, -16 = EBUSY.
Does plugging in the UPS for the first time after a new boot load a new
driver? (Try:
lsmod > modules-pre
# plug in UPS
lsmod > modules-post
diff modules-pre modules-post
)
If new modules are loaded, does `rmmod`ing them before suspend make the
machine suspend fine again?
Best regards
Uwe
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