I've noticed this recently, and didn't dive into it yet. Was wondering
did anyone else see this?
This is triggered by network print via Android phone, with service
discovery by avahi.
OpenBSD 7.1-beta (GENERIC.MP) #387: Sat Feb 26 17:21:00 MST 2022
dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
# pkg_info -qI | grep cups
cups-2.4.1
cups-filters-1.28.12
cups-libs-2.4.1
debug-cups-2.4.1
debug-cups-filters-1.28.12
debug-cups-libs-2.4.1
# egdb /usr/local/libexec/cups/backend/usb /usb.core
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Reading symbols from /usr/local/libexec/cups/backend/usb...
Reading symbols from /usr/local/libexec/cups/backend/.debug/usb.dbg...
[New process 501399]
[New process 303223]
Core was generated by `usb'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00000e413e79c530 in libusb_submit_transfer () from
/usr/local/lib/libusb-1.0.so.1.2
[Current thread is 1 (process 501399)]
(gdb) bt
#0 0x00000e413e79c530 in libusb_submit_transfer () from
/usr/local/lib/libusb-1.0.so.1.2
#1 0x00000e413e79e6ad in do_sync_bulk_transfer () from
/usr/local/lib/libusb-1.0.so.1.2
#2 0x00000e413e79e5de in libusb_bulk_transfer () from
/usr/local/lib/libusb-1.0.so.1.2
#3 0x00000e3f0092cd28 in read_thread (reference=<optimized out>) at
./usb-libusb.c:1734
#4 0x00000e41e0311621 in _rthread_start (v=<optimized out>) at
/usr/src/lib/librthread/rthread.c:96
#5 0x00000e41f8542b3a in __tfork_thread () at
/usr/src/lib/libc/arch/amd64/sys/tfork_thread.S:84
(gdb)
from /var/log/cups/error_log
...
D [27/Feb/2022:09:02:50 +0000] [Job 39] Read 7848 bytes of print data...
D [27/Feb/2022:09:02:50 +0000] [Job 39] kid4 exited with status 0
D [27/Feb/2022:09:02:50 +0000] [Job 39] kid3 finished
D [27/Feb/2022:09:02:50 +0000] [Job 39] Kid3 exit status: 0
D [27/Feb/2022:09:02:50 +0000] [Job 39] Closing foomatic-rip.
D [27/Feb/2022:09:02:50 +0000] [Job 39] Wrote 7848 bytes of print data...
D [27/Feb/2022:09:02:50 +0000] [Job 39] Sent 286376 bytes...
D [27/Feb/2022:09:02:50 +0000] [Job 39] Waiting for read thread to exit...
D [27/Feb/2022:09:02:50 +0000] [Job 39] PID 17625
(/usr/local/libexec/cups/filter/foomatic-rip) exited with no errors.
D [27/Feb/2022:09:02:50 +0000] [Job 39] Read thread still active, aborting the
pending read...
D [27/Feb/2022:09:02:50 +0000] [Job 39] Device reset failed, error code: -12
D [27/Feb/2022:09:02:50 +0000] [Job 39] PID 55597
(/usr/local/libexec/cups/backend/usb) crashed on signal 11.
D [27/Feb/2022:09:02:50 +0000] [Job 39] Hint: Try setting the LogLevel to
"debug" to find out more.
D [27/Feb/2022:09:02:50 +0000] [Job 39] time-at-completed=1645952570
D [27/Feb/2022:09:02:50 +0000] [Job 39] End of messages
D [27/Feb/2022:09:02:50 +0000] [Job 39] printer-state=3(idle)
D [27/Feb/2022:09:02:50 +0000] [Job 39] printer-state-message="Backend failed"
D [27/Feb/2022:09:02:50 +0000] [Job 39] printer-state-reasons=none
# usbdevs -vvv
Controller /dev/usb0:
addr 01: 1022:0000 AMD, xHCI root hub
super speed, self powered, config 1, rev 1.00
driver: uhub0
port 01: 0000.02a0 power Rx.detect
port 02: 0000.02a0 power Rx.detect
port 03: 0000.0503 connect enabled recovery
port 04: 0000.02a0 power Rx.detect
addr 02: 04e8:3469 Samsung Electronics Co., Ltd., M2070 Series
high speed, self powered, config 1, rev 1.00, iSerial ZF46B8KM2D02Z1A
driver: ugen0
Controller /dev/usb1:
addr 01: 1022:0000 AMD, EHCI root hub
high speed, self powered, config 1, rev 1.00
driver: uhub1
port 01: 0000.0503 connect enabled power
port 02: 0000.0500 power
addr 02: 0438:7900 Advanced Micro Devices, Hub
high speed, self powered, config 1, rev 0.18
driver: uhub2
port 01: 0000.0100 power
port 02: 0000.0100 power
port 03: 0000.0503 connect enabled power
port 04: 0000.0100 power
addr 03: 1199:9071 Sierra Wireless, Incorporated, Sierra Wireless MC7455
Qualcomm\M-. Snapdragon? X7 LTE-A
high speed, power 500 mA, config 1, rev 0.06, iSerial LQ80634656021021
driver: umb0
driver: ugen1
# lsusb -vvv -d 04e8:3469
Bus 000 Device 002: ID 04e8:3469 Samsung Electronics Co., Ltd
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x04e8 Samsung Electronics Co., Ltd
idProduct 0x3469
bcdDevice 1.00
iManufacturer 1 Samsung Electronics Co., Ltd.
iProduct 2 M2070 Series
iSerial 3 ZF46B8KM2D02Z1A
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 55
bNumInterfaces 2
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xc0
Self Powered
MaxPower 2mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 255 Vendor Specific Subclass
bInterfaceProtocol 255 Vendor Specific Protocol
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x04 EP 4 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 10
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x83 EP 3 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 10
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 1
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 7 Printer
bInterfaceSubClass 1 Printer
bInterfaceProtocol 2 Bidirectional
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 10
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 10
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
bNumConfigurations 1
Device Status: 0x0001
Self Powered
--
Regards,
Mikolaj
