| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-id: <4749C15C.6020805@shaw.ca> Date: Sun, 25 Nov 2007 12:39:24 -0600 From: Robert Hancock <hancockr@...w.ca> To: Andrey Borzenkov <arvidjaar@...l.ru> Cc: linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org Subject: Re: 2.6.24: Serial disabled in BIOS but serial modules still loaded (probably PnP related) 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. Probably a BIOS bug. It still lists the port in PnP data even though the hardware is disabled, so the kernel still tries to load the serial driver for it, which finds there's no port there. -- Robert Hancock Saskatoon, SK, Canada To email, remove "nospam" from hancockr@...pamshaw.ca Home Page: http://www.roberthancock.com/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists