Package: ipp-usb
Version: 0.9.23-2+b5
Severity: normal
X-Debbugs-Cc: fclancy78@proton.me

If the printer does not respond, ipp-usb writes to a logfile in directory /var/log/ipp-usb/ and keeps trying. Start ipp-usb with command "ipp-usb debug", and it does this:

===============================
ipp-usb started in "debug" mode, pid=16093
ctrlsock: listening at "/var/ipp-usb/ctrl"
+ PNP Bus 003 Device 024: added

===============================
+ Bus 003 Device 024: added hp LaserJet 1320 series
Device info:
Ident: 03f0-1d17-126666-HP-hp-LaserJet-1320-series
Manufacturer: HP
Product: hp LaserJet 1320 series
SerialNumber: 126666
MfgAndProduct: HP hp LaserJet 1320 series
BasicCaps: print,scan,fax,http

Device quirks:
from [*] (/usr/share/ipp-usb/quirks/default.conf:3)
blacklist = false
usb-max-interfaces = 0
disable-fax = false
init-delay = 0s
request-delay = 0s
http-connection = ""

USB stack parameters
authorized_default: 1
autosuspend: 2
blinkenlights: N
initial_descriptor_timeout: 5000
nousb: N
old_scheme_first: N
quirks:
usbfs_memory_mb: 16
usbfs_snoop: N
usbfs_snoop_max: 65536
use_both_schemes: Y

USB interfaces:
Config Interface Alt Class SubClass Proto
1 0 0 7 1 2
* 1 0 1 7 1 4
* 1 1 0 7 1 4
* 1 2 0 7 1 4

USB[0]: open: Bus 003 Device 024 Interface 0 Alt 1
USB[1]: open: Bus 003 Device 024 Interface 1 Alt 0
USB[2]: open: Bus 003 Device 024 Interface 2 Alt 0

HTTP[000]: POST http://localhost:60000/ipp/print
HTTP[000]: request body: got 462 bytes; closed
HTTP[000]: body is small (462 bytes), prefetched before sending

USB[0]: connection allocated, 1 in use: a-- --- ---
HTTP[000]: connection 0 allocated
! USB[0]: send: libusb_bulk_transfer: Operation timed out
! HTTP[000]: libusb_bulk_transfer: Operation timed out
USB[0]: connection released, 0 in use: --- --- ---
! IPP: HTTP: Post "http://localhost:60000/ipp/print": libusb_bulk_transfer: Operation timed out
- Bus 003 Device 024: resetting hp LaserJet 1320 series
USB[0]: closed
USB[1]: closed
USB[2]: closed
- Bus 003 Device 024: removed hp LaserJet 1320 series
! PNP Bus 003 Device 024: Device initialization timed out
+ PNP Bus 003 Device 024: retry



After a few tries, if you type "ls -l /proc/16093/fd" it shows that the printer logfile has been opened several times:

total 0
lrwx------ 1 root root 64 Apr 4 12:57 0 -> /dev/pts/2
lrwx------ 1 root root 64 Apr 4 12:57 1 -> /dev/pts/2
lrwx------ 1 root root 64 Apr 4 12:57 10 -> anon_inode:[eventfd]
lrwx------ 1 root root 64 Apr 4 12:57 11 -> socket:[86726]
lrwx------ 1 root root 64 Apr 4 12:56 12 -> /dev/bus/usb/003/024
l-wx------ 1 root root 64 Apr 4 12:57 13 -> /var/log/ipp-usb/03f0-1d17-126666-HP-hp-LaserJet-1320-series.log
l-wx------ 1 root root 64 Apr 4 12:56 14 -> /var/log/ipp-usb/03f0-1d17-126666-HP-hp-LaserJet-1320-series.log
l-wx------ 1 root root 64 Apr 4 12:57 15 -> /var/log/ipp-usb/03f0-1d17-126666-HP-hp-LaserJet-1320-series.log
l-wx------ 1 root root 64 Apr 4 12:56 16 -> /var/log/ipp-usb/03f0-1d17-126666-HP-hp-LaserJet-1320-series.log
lrwx------ 1 root root 64 Apr 4 12:57 17 -> socket:[87287]
lrwx------ 1 root root 64 Apr 4 12:57 2 -> /dev/pts/2
l-wx------ 1 root root 64 Apr 4 12:57 3 -> /var/ipp-usb/lock/ipp-usb.lock lrwx------ 1 root root 64 Apr 4 12:57 4 -> anon_inode:[eventpoll]
lrwx------ 1 root root 64 Apr 4 12:57 5 -> anon_inode:[eventfd]
l-wx------ 1 root root 64 Apr 4 12:57 6 -> /var/log/ipp-usb/main.log lrwx------ 1 root root 64 Apr 4 12:57 7 -> anon_inode:[eventfd]
lrwx------ 1 root root 64 Apr 4 12:57 8 -> anon_inode:[timerfd]
lrwx------ 1 root root 64 Apr 4 12:57 9 -> socket:[85865]



-- System Information:
Debian Release: trixie/sid
APT prefers testing
APT policy: (500, 'testing')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 6.12.20-amd64 (SMP w/4 CPU threads; PREEMPT)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_WARN, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE=en_GB:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages ipp-usb depends on:
ii avahi-daemon 0.8-16
ii libavahi-client3 0.8-16
ii libavahi-common3 0.8-16
ii libc6 2.41-6
ii libusb-1.0-0 2:1.0.28-1

ipp-usb recommends no packages.

ipp-usb suggests no packages.

-- Configuration Files:
/etc/ipp-usb/ipp-usb.conf [file not found]

-- no debconf information

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