[Bug 258057] muge(4) crashes with large tx batches

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=258057

Mark Millard <marklmi26-fbsd@yahoo.com> changed:

           What    |Removed                     |Added
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                 CC|                            |marklmi26-fbsd@yahoo.com

--- Comment #25 from Mark Millard <marklmi26-fbsd@yahoo.com> ---
(In reply to Dan Kotowski from comment #21)

From  HoneyComb that was delivered in 2021-June (same report as I made on
SolidRuns's discord area, then some extra notes):

# usbconfig
ugen1.1: <Generic XHCI root HUB> at usbus1, cfg=0 md=HOST spd=SUPER (5.0Gbps)
pwr=SAVE (0mA)
ugen0.1: <Generic XHCI root HUB> at usbus0, cfg=0 md=HOST spd=SUPER (5.0Gbps)
pwr=SAVE (0mA)
ugen1.2: <vendor 0x04b4 product 0x6502> at usbus1, cfg=0 md=HOST spd=HIGH
(480Mbps) pwr=SAVE (0mA)
ugen0.2: <Realtek USB 10/100/1000 LAN> at usbus0, cfg=0 md=HOST spd=SUPER
(5.0Gbps) pwr=ON (72mA)
ugen1.3: <vendor 0x0424 product 0x2514> at usbus1, cfg=0 md=HOST spd=HIGH
(480Mbps) pwr=SAVE (2mA)
ugen1.4: <vendor 0x04b4 product 0x6500> at usbus1, cfg=0 md=HOST spd=SUPER
(5.0Gbps) pwr=SAVE (0mA)
ugen1.5: <Samsung PSSD T7 Touch> at usbus1, cfg=0 md=HOST spd=SUPER (5.0Gbps)
pwr=ON (224mA)
ugen1.6: <Samsung PSSD T7 Touch> at usbus1, cfg=0 md=HOST spd=SUPER (5.0Gbps)
pwr=ON (224mA)

I've never had problems with USB3 devices that I've tried ending up without
SUPER (5.0Gbps) status. (But it is only a few types of devices.) The Realtek
USB
10/100/1000 LAN is plugged into the port nearest to the board.

I've been running various FreeBSD versions over the time. I use bectl to boot
any of releng/13.0.0 , stable/13, and main [so: 14], mostly 13.0R and main.
For example (root-is-ZFS):

# uname -apKU
FreeBSD CA72_16Gp_ZFS 14.0-CURRENT FreeBSD 14.0-CURRENT #12
main-n249019-0637070b5bca-dirty: Tue Aug 31 02:24:20 PDT 2021    
root@CA72_16Gp_ZFS:/usr/obj/BUILDs/main-CA72-nodbg-clang/usr/main-src/arm64.aarch64/sys/GENERIC-NODBG-CA72
 arm64 aarch64 1400032 1400032

I usually boot an Optane in the PCIe slot but also boot an external USB3 SSD
that
has a slightly modified copy of the Optane (recopied & adjusted as I progress).
The system is built with -mcpu=cortex-a72 (mentioned because it is unusual).
The USB3 ssd can boot RPi4B's with 8 GiBytes of RAM. (I avoid ZFS when there is
less than 8 GiBytes.) None of those systems have had problems identifying USB3
SUPER as appropriate. I've used the Realtek USB3 LAN type of dongle on all of
them.

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