Date: Mon, 04 Apr 2005 09:23:16 -0700 From: Nate Lawson <nate@root.org> To: Maxim Maximov <mcsi@mcsi.pp.ru> Cc: acpi@freebsd.org Subject: Re: cmbat hangs Message-ID: <425169F4.3000200@root.org> In-Reply-To: <42515B22.6040109@mcsi.pp.ru> References: <42515B22.6040109@mcsi.pp.ru>
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Maxim Maximov wrote: > Hello. > > I've got a problem with acpi_cmbat device. Specifically, Mar 31 > kernel hangs at boot after 'Preseeding PRNG:'. DDB shows that 'sysctl' > proc hangs in [cmbat] status. After setting debug.acpi.disabled="cmbat" > the problem disappeared. > Mar 25 dated kernel doesn't have this problem. I'm working on ASUS > L5 (w/HTT). Here's ACPI related strings from dmesg (cmbat disabled). I > can provide any information by request. Should I file a PR? > > > acpi0: <A M I OEMRSDT> on motherboard > acpi0: Power Button (fixed) > acpi_ec0: <Embedded Controller: GPE 0x1c> port 0x62,0x66 on acpi0 > acpi_ec0: can't allocate data port > device_attach: acpi_ec0 attach returned 6 This would be the issue. If your EC can't attach, cmbat reads will time out. Can you send the output of devinfo -rv with the broken kernel? We need to figure out who's stealing the data port. -- Nate
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