On Wed, Oct 24, 2007 at 10:35:33PM -0500, Bill Gatliff wrote:
> >Something broke CONFIG_CMDLINE of ARM (at least) between 2.6.22 and 2.6.23.
> >
> >I don't know whether it was an ARM patch one of those kernel-wide changes.
> >We have futzed with the command-line parsing a bit recently, but the 2.6.23
> >changelog doesn't suggest anything obvious.
>
> What does the affected system's bootloader pass in r2? If it's nonzero,
> ARM's 2.6.23 may interpret it as being an ATAGS pointer. And when that
> happens, the system prefers the ATAGS over CONFIG_CMDLINE.
>
> There's sanity checking in __vet_atags, but maybe it isn't enough.
> Other than that, I can't see anything yet.
If this is the SHARP Shepherd (which seems to be the Zaurus SL-C750,
which looks like it's the one the submitter is using), it's not setting
boot_params at all:
MACHINE_START(SHEPHERD, "SHARP Shepherd")
.phys_io = 0x40000000,
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.fixup = fixup_corgi,
.map_io = pxa_map_io,
.init_irq = pxa25x_init_irq,
.init_machine = corgi_init,
.timer = &pxa_timer,
MACHINE_END
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