[Mageia-dev] USB Keyboard disabled in current stage1

AL13N alien at rmail.be
Wed Mar 20 21:22:21 CET 2013


Op woensdag 20 maart 2013 21:20:14 schreef AL13N:
> Op woensdag 20 maart 2013 15:50:06 schreef Frank Griffin:
> > On 03/20/2013 01:33 PM, Thierry Vignaud wrote:
> > > That's because modules.alias enables to match through wildchars.
> > > 
> > > eg for ehci (see either /sbin/modinfo ehci_pci or
> > > "fgrep ehci /lib/modules/3.8.3-desktop-2.mga3/modules.alias"):
> > > 
> > > alias pci:v0000104Ad0000CC00sv*sd*bc*sc*i* ehci_pci
> > > alias pci:v*d*sv*sd*bc0Csc03i20* ehci_pci
> > > 
> > > That means that ehci matches both:
> > > - 0x104A 0xCC00 (probably a device that reports a broken/bogus class)
> > > - any PCI device whose class is PCI_CLASS_SERIAL_USB_EHCI
> > > 
> > > Note that for this one:
> > > - lsmod reports ehci_pci
> > > - modinfo reports the real fs path: ehci-pci
> > > - lspci -vvk reports: ehci-pci
> > 
> > I understand.  It is the kernel itself (and associated tools) that mix
> > and match underscore and dash.  Hence the need for a conversion patch.
> 
> not really, it just means that in the kernel - are mapped to _; modprobe
> tools handle both cases, just modinfo reports the filename which can
> include '-', but it can still handle both.
> 
> lspci and most tools just report it as it's really named (depending on
> filename). modules.dep and modules.descr, etc... has the name as it is as
> well, meaning there can be '-' in the name.
> 
> i just see this workaround being effective to handle lstdetect, which
> somehow forces all of it being lowercase...
> 
> i don't know how much of lstdetect is hardcoded and how much of it is
> generated, but imho the cleanest way would be to fix lstdetect, so that it
> gives the proper module names...
> 
> i've been looking at a way to fix the module list window for choosing, but
> the problem isn't as simple as i thought, since insmod looks at
> filenames... which is another workaround.
> 
> @thierry: i donno what you think of it, but imo:
> A) fixing lstdetect would be the cleanest way (maybe not the simplest)
> B) perhaps in the comparing i can workaround this, but the compare code will
> not be as simple as it should...

forgot to mention option C:

C) using kmod in stage1

but option C might not be as easy and will increase the stage1 size; and 
raises the question if stage2 is actually still needed then...?


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