Messages in this thread | | | Date | Sun, 25 Nov 2007 18:24:07 +1030 | From | David Newall <> | Subject | Re: 2.6.24: Serial disabled in BIOS but serial modules still loaded (probably PnP related) |
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Michael H. Warfield wrote: > On Sat, 2007-11-24 at 23:36 +0300, Andrey Borzenkov wrote: > >> I have no COM port on notebook (without port replicator which I do not have) >> so COM is disabled in BIOS. No ttyS* is detected during boot (and no device >> created) but I just noticed that serial modules are still loaded. Well, this >> partially defeats the purpose of disabling COM port - the intention was to >> free resources by *not* loading unneeded modules ... >> > > >> This may have something to do with (ACPI) PnP which apparently believes COM is alive. >> Notebook is Toshiba Portege 4000. >> > > Nice... What's this then? > > >> 00:09 PNP0501 16550A-compatible serial port >> state = active >> io 0x3f8-0x3ff >> irq 5 >>
This doesn't mean that a port (ie connector) is present. My notebook also has the electronics without the physical connector. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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