Date: Thu, 6 May 2021 20:07:38 +0200 From: Hans Petter Selasky <hps@selasky.org> To: lev@FreeBSD.org, freebsd-usb@freebsd.org Subject: Re: Flickering connection to UPS (again, but now I'm sure it is Ok under Windows) Message-ID: <6e52d05d-8668-8c38-6745-a4edec50741d@selasky.org> In-Reply-To: <0c52bcf1-3b1a-a746-9ac3-26bdb4c46354@FreeBSD.org> References: <e90a1125-1c85-4344-2427-aa50158036fc@FreeBSD.org> <98420b49-dc9a-0a5f-bcfe-e0a0e11a5994@selasky.org> <0c52bcf1-3b1a-a746-9ac3-26bdb4c46354@FreeBSD.org>
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On 5/6/21 6:26 PM, Lev Serebryakov wrote: > On 06.05.2021 19:16, Hans Petter Selasky wrote: > >>> And one more UPS has rock-stable connection and flicker >>> (connect/disconnect loop with period about 3 seconds) on FreeBSD. >>> >>> Yes, I've reported this problem already, but then it was decided, >>> that UPS is defective. >>> >>> Now, I've checked with 3 different USB debugging tools on Windows 10 >>> notebook, that it doesn't disconnect from Windows host. >>> >>> And it flicker on FreeBSD systems. >>> >>> Looks like, we need some quirk for this class of devices. >>> >>> I could collect logs on FreeBSD and Windows, but I don't know what to >>> compare and where to look. >>> >> >> Is this the same like: >> >> https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=237666 > I have this loop: > > ... > May 6 19:24:23 gateway kernel: ugen0.2: <PPC Offline UPS> at usbus0 > May 6 19:24:37 gateway kernel: ugen0.2: <PPC Offline UPS> at usbus0 > (disconnected) > May 6 19:24:41 gateway kernel: ugen0.2: <PPC Offline UPS> at usbus0 > May 6 19:24:55 gateway kernel: ugen0.2: <PPC Offline UPS> at usbus0 > (disconnected) > May 6 19:24:59 gateway kernel: ugen0.2: <PPC Offline UPS> at usbus0 > May 6 19:25:13 gateway kernel: ugen0.2: <PPC Offline UPS> at usbus0 > (disconnected) > ... > > >> Could you try to install FreeBSD 11 and see if the issue goes away? > > I could boot from some live media of FreeBSD 11 on same Laptop as I have > Windows 10 installed . I'll try it ASAP. > What does usbconfig say? Can you enable host controller debugging: hw.usb.xhci.debug=17 hw.usb.ehci.debug=17 hw.usb.uhci.debug=17 hw.usb.ohci.debug=17 --HPS
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