Date: Fri, 6 Dec 2019 14:31:44 -0800 From: Steve Kargl <sgk@troutmask.apl.washington.edu> To: freebsd-current@freebsd.org Subject: CAM breaks USB [was Re: USB causing boot to hang] Message-ID: <20191206223144.GA3224@troutmask.apl.washington.edu> In-Reply-To: <20191206202316.GA1053@troutmask.apl.washington.edu> References: <20191206202316.GA1053@troutmask.apl.washington.edu>
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On Fri, Dec 06, 2019 at 12:23:16PM -0800, Steve Kargl wrote: > I updates /usr/src to r355452, and updated by kernel and > world. Upon rebooting, verbose boot messages susgests > the system is hanging when USB starts to attach. With > the 3-week kernel verbose boot shows: > > ... > pcm4: <Realtek ALC889 (Rear Digital)> at nid 30 on hdaa1 > pcm4: Playback: > pcm4: Stream cap: 0x00000005 AC3 PCM > pcm4: PCM cap: 0x000e05f0 16 20 24 bits, 32 44 48 88 96 192 KHz > pcm4: DAC: 6 > pcm4: > pcm4: nid=30 [pin: SPDIF-out (Grey Jack)] > pcm4: + <- nid=6 [audio output] [src: pcm] > pcm4: > pcm4: Mixer "vol" -> "none": child=0x00000010 > pcm4: Mixer "pcm": parent="vol" > pcm4: Soft PCM mixer ENABLED > pcm4: Playback channel set is: Front Left, Front Right, > pcm4: Playback channel matrix is: 2.0 (unknown) > usbus0: 5.0Gbps Super Speed USB v3.0 > usbus1: 12Mbps Full Speed USB v1.0 > ... > > end with a prompt on the console. With today's kernel, > boot is hung after the last pcm4: message and no usbus0 > is displayed. > > The booting kernel/system is a > > % uname -a > FreeBSD 13.0-CURRENT #1 r354658: Wed Nov 13 11:23:32 PST 2019, amd64 > > Again, the failing kernel is r 355452 > The problem seems to be caused 355010. This is a commit to fix CAM, which seems to break USB. -- Steve
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