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Date:      Thu, 20 Jul 2023 21:03:41 +0000
From:      bugzilla-noreply@freebsd.org
To:        usb@FreeBSD.org
Subject:   [Bug 272627] dd command stops with Input/output error while flashing SD card with USB card reader
Message-ID:  <bug-272627-19105@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D272627

            Bug ID: 272627
           Summary: dd command stops with Input/output error while
                    flashing SD card with USB card reader
           Product: Base System
           Version: 13.2-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: usb
          Assignee: usb@FreeBSD.org
          Reporter: ea1abz@gmail.com

Hello

I have a strange problem with a USB SD card reader on my Acer Aspire One
laptop. When trying to flash a SD card for a raspberry pi ZeroW using dd
command, it stops with an error after a while:

root@freebsd-acer:/home/ramiro/Descargas # dd
if=3DFreeBSD-13.2-RELEASE-arm-armv6-RPI-B.img of=3D/dev/da0 bs=3D1M conv=3D=
fsync
status=3Dprogress
dd: /dev/da0: Input/output error8 MiB) transferred 203.123s, 10 MB/s
2029+0 records in
2028+0 records out=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
 2126512128 bytes transferred in 215.338163 secs (9875222 bytes/sec)

Sometimes it works and sometimes it does not. Aproximately there is a 35% of
chance of success. This is one of the success session:

root@freebsd-acer:/home/ramiro/Descargas # dd
if=3DFreeBSD-13.2-RELEASE-arm-armv6-RPI-B.img of=3D/dev/da0 bs=3D1M conv=3D=
fsync
status=3Dprogress
  5360320512 bytes (5360 MB, 5112 MiB) transferred 507.042s, 11 MB/s
5120+0 records in
5120+0 records out
5368709120 bytes transferred in 508.462340 secs (10558715 bytes/sec)

This is the result of a batch of tests (0=3Dok, 1=3Dbad) :

ramiro@freebsd-acer:~/Descargas $ cat zeros=20
1
1
1
1
1
1
1
1
1
0
0
0
1
1
1
1
1
0
1
1
1
0
0
0
0
0
0
1
1
1
1
0
1
1
1
1
1
0
1
0
1
1




# uname -a
FreeBSD freebsd-acer 13.2-RELEASE-p1 FreeBSD 13.2-RELEASE-p1 GENERIC amd64

dmesg:

eric Mass Storage Device (0x14cd:0x125c)
ugen4.3: <Generic Mass Storage Device> at usbus4=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
umass0 on uhub0
umass0: <Generic Mass Storage Device, class 0/0, rev 2.00/3.00, addr 3> on u
sbus4
umass0:  SCSI over Bulk-Only; quirks =3D 0xc101
umass0:2:0: Attached to scbus2
da0 at umass-sim0 bus 0 scbus2 target 0 lun 0
da0: <Mass Storage Device > Removable Direct Access SCSI device
da0: Serial Number 125C20100726
da0: 40.000MB/s transfers
da0: 15193MB (31116288 512 byte sectors)
da0: quirks=3D0x2<NO_6_BYTE>

# usbconfig
ugen4.1: <Intel EHCI root HUB> at usbus4, cfg=3D0 md=3DHOST spd=3DHIGH (480=
Mbps)
pwr=3DSAVE (0mA)
ugen3.1: <Intel UHCI root HUB> at usbus3, cfg=3D0 md=3DHOST spd=3DFULL (12M=
bps)
pwr=3DSAVE (0mA)
ugen1.1: <Intel UHCI root HUB> at usbus1, cfg=3D0 md=3DHOST spd=3DFULL (12M=
bps)
pwr=3DSAVE (0mA)
ugen0.1: <Intel UHCI root HUB> at usbus0, cfg=3D0 md=3DHOST spd=3DFULL (12M=
bps)
pwr=3DSAVE (0mA)
ugen2.1: <Intel UHCI root HUB> at usbus2, cfg=3D0 md=3DHOST spd=3DFULL (12M=
bps)
pwr=3DSAVE (0mA)
ugen4.2: <Y2B280PSB WebCam> at usbus4, cfg=3D0 md=3DHOST spd=3DHIGH (480Mbp=
s) pwr=3DON
(500mA)
ugen0.2: <vendor 0x1997 mini keyboard> at usbus0, cfg=3D0 md=3DHOST spd=3DF=
ULL
(12Mbps) pwr=3DON (100mA)
ugen0.3: <PixArt USB Optical Mouse> at usbus0, cfg=3D0 md=3DHOST spd=3DLOW =
(1.5Mbps)
pwr=3DON (100mA)
ugen4.3: <Generic Mass Storage Device> at usbus4, cfg=3D0 md=3DHOST spd=3DH=
IGH
(480Mbps) pwr=3DON (248mA)

# kldstat
Id Refs Address                Size Name
 1   48 0xffffffff80200000  1f3e2d0 kernel
 2    1 0xffffffff82320000   1858b8 i915kms.ko
 3    1 0xffffffff824a6000    739e0 drm.ko
 4    2 0xffffffff8251a000     5220 linuxkpi_gplv2.ko
 5    3 0xffffffff82520000     62d8 dmabuf.ko
 6    1 0xffffffff82527000     3378 acpi_wmi.ko
 7    1 0xffffffff8252b000     3250 ichsmb.ko
 8    1 0xffffffff8252f000     2180 smbus.ko
 9    1 0xffffffff82532000     3340 uhid.ko
10    1 0xffffffff82536000     4350 ums.ko
11    1 0xffffffff8253b000     3380 usbhid.ko
12    1 0xffffffff8253f000     31f8 hidbus.ko
13    1 0xffffffff82543000     5af8 autofs.ko
14    1 0xffffffff82549000     2a08 mac_ntpd.ko

Thanks so much.
Regards.
Ramiro.

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