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Bug#237603: My computer hangs when discover loads parport_pc and I don't have a parport



El sáb, 13-03-2004 a las 12:20, Gaudenz Steinlin escribió:
> On Fri, Mar 12, 2004 at 11:46:46AM +0100, Carlos Perelló Marín wrote:
> > Package: discover
> > Version: 1.5-2
> > Severity: critical
> > Tags: sid
> > Justification: breaks the whole system
> > 
> > The kernel module parport_pc.o hangs my computers (imac TFT 15" and
> > Tibook G4). I have filed a bug report about it to kernel-image. The
> > problem is that discover loads that module on boot always but those
> > PowerMac computer don't have a parport. Discover should load only
> > drivers to handle devices I have, shouldn't it?
> No it should not load this module. However i fail to see why discover loads
> this module on your computer. Below you find the list of devices for which
> discover currently loads this module. I doubt you have any of these in your
> computer (check the PCI ID's with lspci -n). On my TiBook G4 (first
> generation) this does not happen.

Mine is a 
> 
> 	10b59050	bridge	parport_pc	PCI <-> IOBus Bridge
> 	11060686	bridge	parport_pc	VT82C686 South Bridge [ISA]
> 	131f1020	bridge	parport_pc	CyberParallel (1-port)
> 	131f1021	bridge	parport_pc	CyberParallel (2-port)
> 	131f2020	bridge	parport_pc	CyberParallel (1-port)
> 	131f2021	bridge	parport_pc	CyberParallel (2-port)
> 	14078000	bridge	parport_pc	Lava Parallel
> 	14078002	bridge	parport_pc	Lava Dual Parallel port A
> 	14078003	bridge	parport_pc	Lava Dual Parallel port B
> 	14078800	bridge	parport_pc	BOCA Research IOPPAR
> 	14097168	bridge	parport_pc	PCI2S550 (Dual 16550 UART)
> 	14158403	bridge	parport_pc	VScom 011H-EP1 1 port parallel adaptor
> 	14d28001	bridge	parport_pc	VScom 010L 1 port parallel adaptor
> 	14db2120	bridge	parport_pc	TK9902
> 	15920782	bridge	parport_pc	Parallel Port Card 2xEPP
> 	15920783	bridge	parport_pc	Multi-IO Card
> 	416c0100	bridge	parport_pc	AladdinCARD
> 	97109815	bridge	parport_pc	VScom 021H-EP2 2 port parallel adaptor
>         ^^^^^^^^
> 	PCI ID
> 	

Here you have my imac devices:

bilbo:/home/carlos# lspci -n
00:0b.0 Class 0600: 106b:0027
00:10.0 Class 0300: 10de:0110 (rev b2)
10:0b.0 Class 0600: 106b:0028
10:17.0 Class ff00: 106b:0025
10:18.0 Class 0c03: 106b:0026
10:19.0 Class 0c03: 106b:0026
20:0b.0 Class 0600: 106b:0029
20:0e.0 Class 0c00: 106b:0030
20:0f.0 Class 0200: 106b:0024

And here my powerbook ones:

00:0b.0 Class 0600: 106b:002d
00:10.0 Class 0300: 1002:4c59
10:0b.0 Class 0600: 106b:002e
10:17.0 Class ff00: 106b:0022 (rev 03)
10:18.0 Class 0c03: 106b:0019
10:19.0 Class 0c03: 106b:0019
10:1a.0 Class 0607: 104c:ac50 (rev 02)
24:0b.0 Class 0600: 106b:002f
24:0e.0 Class 0c00: 11c1:5811
24:0f.0 Class 0200: 106b:0021 (rev 01)


I don't understand either why my powerpc computers are loading the lp
driver, but they do that.

A normal boot with my powerbook hangs with the discover message, then I
boot in single mode and discover runs without problems :-? but It loads
lp and parport drivers, here you have my lsmod after a boot in single
mode:

Module                  Size  Used by    Not tainted
af_packet              15112   0  (autoclean)
ide-scsi               11052   0 
yenta_socket           11984   0 
pcmcia_core            44424   0  [yenta_socket]
lp                      7388   0  (autoclean)
parport                28900   0  (autoclean) [lp]
airport                 3348   0 
orinoco                36088   0  [airport]
hermes                  9072   0  [airport orinoco]
i2c-keywest             7532   0  (autoclean) (unused)
dmasound_pmac          65424   0  (unused)
dmasound_core          12848   0  [dmasound_pmac]
soundcore               4200   3  [dmasound_core]
i2c-core               14532   0  [i2c-keywest dmasound_pmac]

I have inside my /etc/modules:

dmasound_pmac
airport

If I exit from single mode (with Ctr+D) the powerbook does not hangs and
it reachs the runlevel 2 without problems.

I don't know any way to give you more information, but please feel free
to ask anything you need so we can get this issue fixed.

As a side note, my powerbook does not have any printer spool installed
so I don't think it's a problem with a printer spool, also cups
maintainers added an option to disable the parport driver so it's not
loaded.


More info:

I did try what Sven told me (add "skip parport_pc" to
/etc/discover.conf) but the system hangs as always. It also hangs in
single mode now :-?

It only works if I remove the parport_pc.o file by hand with an "rm"
after a boot with "init=/bin/bash"

Cheers.

> 	
> Gaudenz
-- 
Carlos Perelló Marín
Debian GNU/Linux Sid (PowerPC)
Linux Registered User #121232
mailto:carlos@pemas.net || mailto:carlos@gnome.org
http://carlos.pemas.net
Valencia - Spain

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