Date: Thu, 6 May 2021 19:26:48 +0300 From: Lev Serebryakov <lev@FreeBSD.org> To: Hans Petter Selasky <hps@selasky.org>, freebsd-usb@freebsd.org Subject: Re: Flickering connection to UPS (again, but now I'm sure it is Ok under Windows) Message-ID: <0c52bcf1-3b1a-a746-9ac3-26bdb4c46354@FreeBSD.org> In-Reply-To: <98420b49-dc9a-0a5f-bcfe-e0a0e11a5994@selasky.org> References: <e90a1125-1c85-4344-2427-aa50158036fc@FreeBSD.org> <98420b49-dc9a-0a5f-bcfe-e0a0e11a5994@selasky.org>
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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. -- // Lev Serebryakov
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