Re: kern/59859: NetBSD-10.1 amd64 kernel panic under X

[Ramiro Aceves <ea1abz%gmail.com@localhost>]

El 5/1/26 a las 12:35, Ramiro Aceves via gnats escribió:
> The following reply was made to PR kern/59859; it has been noted by GNATS.
>
> From: Ramiro Aceves <ea1abz%gmail.com@localhost>
> To: Nat Sloss <nathanialsloss%yahoo.com.au@localhost>
> Cc: gnats-bugs%netbsd.org@localhost
> Subject: Re: kern/59859: NetBSD-10.1 amd64 kernel panic under X
> Date: Mon, 5 Jan 2026 12:33:22 +0100
>
>   El 5/1/26 a las 11:55, Nat Sloss escribió:
>   >> I think that the procedure would be:
>   >
>   >> -Change "src/sys/dev/usb/usbdevs" to add Vendor and Product of the Fast
>   >
>   >> Track Pro.
>   >
>   >> -Execute "make -f Makefile.usbdevs" in "src/sys/dev/usb" to regenerate
>   >
>   >> "src/sys/dev/usb/usbdevs.h" and "src/sys/dev/usb/usbdevs_data.h"
>   >
>   >> -Edit usb_quirks.c and add
>   >
>   >> UQ_AU_NO_FRAC and/or UQ_AU_INP_ASYNC lines for my card.
>   >
>   >> -Recompile de kernel and reboot into it.
>   >
>   >
>   > That's correct.
>   >
>   >
>   >
>   >> What should I expect from that change?
>   >
>   >
>   > I think there's a possibilty that the card stalls in the record
>   > interrupt due to fractional
>   >
>   > packets being read from the device so I'd try AU_NO_FRAC as a quirk first.
>   >
>   >
>   > Hopefully It will allow for the device to not issue IOERRORS and
>   > continue working.
>   >
>   >> Thanks.
>   >
>   >> Ramiro.
>   >
>   >> PS: or perhaps may I modify usb_quirks.c directly placing the numbers
>   >
>   >> and recompile the kernel? I wait for your advice.
>   >
>   >
>   > Yes you can do that, if it works I'll prepare a formal patch to commit.
>   >
>   >
>   > Best regards,
>   >
>   >
>   > Nat
>   >
>   >
>   >
>   
>   Hi, I did that:
>   
>   netbsd-nuc$ diff usb_quirks.c.orig usb_quirks.c
>   256a257,258
>    >  { 0x0763,0x2012,			0x100,
>    > 	{ UQ_AU_NO_FRAC, NULL }},
>   netbsd-nuc$
>   
>   recompiled with:
>   
>   netbsd-nuc$ ./build.sh -u -U kernel=MYKERNEL
>   
>   
>   netbsd-nuc# cp /usr/src/sys/arch/amd64/compile/obj/MYKERNEL/netbsd
>   /netbsdnofrac
>   
>   I will boot that netbsdnofrac kernel and see what happens.
>   
>   Regards.
>   

I booted to netbsdnofrac kernel.

I was playing with WSJTx and after a while audio stopped working, I 
switched off and on the USB audio card:


[  2232,162314] uaudio1: rintr error: IOERROR
[  2232,172315] uaudio1: rintr error: IOERROR
[  2232,182315] uaudio1: rintr error: IOERROR
[  2232,192315] uaudio1: rintr error: IOERROR
[  2232,202316] uaudio1: rintr error: IOERROR
[  2232,212316] uaudio1: rintr error: IOERROR
[  2232,222316] uaudio1: rintr error: IOERROR
[  2232,232316] uaudio1: rintr error: IOERROR
[  2232,242317] uaudio1: rintr error: IOERROR
[  2232,252317] uaudio1: rintr error: IOERROR
[  2232,262317] uaudio1: rintr error: IOERROR
[  2232,272317] uaudio1: rintr error: IOERROR
[  2232,282318] uaudio1: rintr error: IOERROR
[  2232,292318] uaudio1: rintr error: IOERROR
[  2232,302318] uaudio1: rintr error: IOERROR
[  2232,312320] uaudio1: rintr error: IOERROR
[  2232,322319] uaudio1: rintr error: IOERROR
[  2232,332319] uaudio1: rintr error: IOERROR
[  2232,342323] uaudio1: rintr error: IOERROR
[  2232,352322] spkr3: detached
[  2232,352322] audio3: detached
[  2232,352322] uaudio1: detached
[  2232,352322] uaudio1: at uhub7 port 3 (addr 13) disconnected
[  2232,352322] midi1: detached
[  2232,352322] umidi0: detached
[  2232,352322] umidi0: at uhub7 port 3 (addr 13) disconnected
[  2239,742527] uaudio1 at uhub7 port 3 configuration 1 interface 0
[  2239,742527] uaudio1: M-Audio (0x0763) FastTrack Pro (0x2012), rev 
1.10/1.00, addr 15
[  2239,742527] uaudio1: audio rev 1.00
[  2239,742527] audio3 at uaudio1: playback, capture, full duplex, 
independent
[  2239,742527] audio3: slinear_le:16 2ch 44100Hz, blk 10584 bytes 
(60ms) for playback
[  2239,742527] audio3: slinear_le:16 2ch 48000Hz, blk 12000 bytes 
(62.5ms) for recording
[  2239,742527] spkr3 at audio3: PC Speaker (synthesized)
[  2239,752526] wsbell at spkr3 not configured
[  2239,752526] umidi0 at uhub7 port 3 configuration 1 interface 1
[  2239,752526] umidi0: M-Audio (0x0763) FastTrack Pro (0x2012), rev 
1.10/1.00, addr 15
[  2239,752526] umidi0: (genuine USB-MIDI)
[  2239,752526] umidi0: out=1, in=1
[  2239,752526] midi1 at umidi0: <0 >0 on umidi0
netbsd-nuc$

This card in Linux also had some problems and needed to be restarted 
from time to time.

Regards.