Date: Mon, 23 Jun 2014 10:50:47 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-current@freebsd.org Cc: current@freebsd.org Subject: Re: Latest -current panic in uaudio_detach() / bus_dmamem_free() Message-ID: <201406231050.47200.jhb@freebsd.org> In-Reply-To: <53A7A708.3010204@freebsd.org> References: <53A78B24.6050805@freebsd.org> <20140622224632.31b4ce3b@kan> <53A7A708.3010204@freebsd.org>
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On Monday, June 23, 2014 12:03:20 am Andrey Chernov wrote: > On 23.06.2014 6:46, Alexander Kabaev wrote: > > Please provide us with the information on the actual audio hardware > > you are using, preferably in form of a dmesg output. > > uaudio0: <vendor 0x046d product 0x0990, class 239/2, rev 2.00/0.05, addr 7> on usbus3 > uaudio0: No playback. > uaudio0: Record: 16000 Hz, 1 ch, 16-bit S-LE PCM format, 2x8ms buffer. > uaudio0: No MIDI sequencer. > pcm7: <USB audio> on uaudio0 > uaudio0: No HID volume keys found. > > Thanx, after backing out the patch below this panic is gone. Probably even > additional b->dmatag NULL check is needed for bus_dmamap_unload() too. No, buf_addr should only be set if bus_dmamap_load() was called. -- John Baldwin
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