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Date: Tue, 29 Aug 2006 11:21:46 -0400
From: "Michael [Plouj] Ploujnikov" <ploujj@gmail.com>
To: gentoo-user@lists.gentoo.org
Subject: [gentoo-user] lp unable to detect parallel printer hp 710c
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I am having this issue on gentoo-sources 2.6.17-r4:
http://dev.gentoo.org/~dsd/genpatches/issues-resolved.htm#2.6.9-lp

My HP 710C parallel port printer is not being detected.

This used to work on my system before, but then I had the 2.6.16-r9
kernel and since them I had to re-install my Gentoo. I tried
re-compiling the 2.6.16-r9 kernel using a backed up config, but it
doesn't seem to detect my printer anymore.

I tried a recent Ubuntu live cd 6.06 and it successfully detected my printer.

current dmesg:
...
Allocate Port Service[0000:00:0e.0:pcie03]
lp: driver loaded but no devices found
Real Time Clock Driver v1.12ac
ACPI: Power Button (FF) [PWRF]
ACPI: Power Button (CM) [PWRB]
Serial: 8250/16550 driver $Revision: 1.90 $ 4 ports, IRQ sharing disabled
serial8250: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
serial8250: ttyS1 at I/O 0x2f8 (irq = 3) is a 16550A
00:08: ttyS0 at I/O 0x3f8 (irq = 4) is a 16550A
parport: PnPBIOS parport detected.
parport0: PC-style at 0x378, irq 7 [PCSPP(,...)]
lp0: using parport0 (interrupt-driven).
PNP: PS/2 Controller [PNP0303:PS2K] at 0x60,0x64 irq 1
...

I am very sure I enabled all the proper kernel things as described by
the printing guide. I also enabled PNP as suggested by someone
(http://gentoo-wiki.com/HP_Deskjet_720C_with_CUPS):

$ grep -i pnp /boot/config-2.6.17-gentoo-r4
# CONFIG_IP_PNP is not set
CONFIG_PNP=y
# CONFIG_PNP_DEBUG is not set
CONFIG_PNPACPI=y
# CONFIG_BLK_DEV_IDEPNP is not set
CONFIG_SERIAL_8250_PNP=y
$ grep -i par /boot/config-2.6.17-gentoo-r4
CONFIG_ARCH_SPARSEMEM_ENABLE=y
# CONFIG_SPARSEMEM_MANUAL is not set
# CONFIG_SPARSEMEM_STATIC is not set
CONFIG_PM_STD_PARTITION=""
# Parallel port support
CONFIG_PARPORT=y
CONFIG_PARPORT_PC=y
# CONFIG_PARPORT_SERIAL is not set
# CONFIG_PARPORT_PC_FIFO is not set
# CONFIG_PARPORT_PC_SUPERIO is not set
# CONFIG_PARPORT_GSC is not set
# CONFIG_PARPORT_1284 is not set
# CONFIG_PARIDE is not set
# CONFIG_SERIO_PARKBD is not set
# CONFIG_TIPAR is not set
# CONFIG_I2C_PARPORT is not set
# CONFIG_I2C_PARPORT_LIGHT is not set
# Partition Types
# CONFIG_PARTITION_ADVANCED is not set
CONFIG_MSDOS_PARTITION=y

Has anyone experienced similar problems?

I would like to report this a kernel bug, but since I couldn't get the
previous working kernel to work this time, I can't do that.


Thanks.
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