Date: Tue, 3 Jan 2006 17:45:30 +0100 From: "OxY" <oxy@field.hu> To: "John Baldwin" <jhb@freebsd.org>, <freebsd-acpi@freebsd.org>, "Anders Nordby" <anders@freebsd.org> Subject: Re: i386/89545: Compaq DL 360 ACPI boot problem Message-ID: <007301c61085$1bc99b90$0201a8c0@oxy> References: <200512311230.jBVCUBfP075728@freefall.freebsd.org> <200601030924.43950.jhb@freebsd.org>
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if the patch works, please send a letter to the list, i am interested too,
posted the same problem a month ago..
thx!
----- Original Message -----
From: "John Baldwin" <jhb@freebsd.org>
To: <freebsd-acpi@freebsd.org>; "Anders Nordby" <anders@freebsd.org>
Sent: Tuesday, January 03, 2006 3:24 PM
Subject: Re: i386/89545: Compaq DL 360 ACPI boot problem
> On Saturday 31 December 2005 07:30 am, Anders Nordby wrote:
>> The following reply was made to PR i386/89545; it has been noted by
>> GNATS.
>>
>> From: Anders Nordby <anders@FreeBSD.org>
>> To: John Baldwin <jhb@freebsd.org>
>> Cc: bug-followup@freebsd.org, uralmetal@gmail.com
>> Subject: Re: i386/89545: Compaq DL 360 ACPI boot problem
>> Date: Sat, 31 Dec 2005 13:27:28 +0100
>>
>> Hi,
>>
>> On Thu, Dec 29, 2005 at 10:34:15PM +0100, Anders Nordby wrote:
>> > (..)
>>
>> For the record. I just tried using 6.0-STABLE as of december 30. It
>> still hangs:
>>
>> acpi0: <COMPAQ MICRO> on motherboard
>> acpi0: Power Button (fixed)
>> unknown: I/O range not supported
>>
>> But now it stops earlier, or at least it doesn't print the pci_link<n>:
>> lines.
>>
>> Applying the printf patch then, I get:
>>
>> acpi0: <COMPAQ MICRO> on motherboard
>> acpi0: Power Button (fixed)
>> unknown: I/O range not supported
>> attach started
>> pci_link0: calling _CRS
>> pci_link0: _CRS returned AE_OK
>> pci_link0: num_links = 0
>> attach started
>>
>> Phew, luckily acpi is a module, so I only need to recompile it instead
>> of the whole kernel. I had ACPI problems with FreeBSD 6 on other Compaq
>> servers as well, one DL 580. Once we get this solved for DL 360 I can
>> try
>> with the 580 (it is in production, so I can not easily take it down when
>> I want -- but it would be nice to use both CPUs on it ;-)).
>
> Ok, looks like it is ACPI_SERIAL_BEGIN() it is hanging on. Also, the
> reason
> you don't see the pritnf's in 6-stable is the devices are now marked quiet
> so
> they don't show up in dmesg by default anymore. The problem is I must
> have
> forgotten to release the pci_link lock somewhere. If you had INVARIANTS
> on
> it should have panic'd in sx_xlock. As it is, I think this patch will fix
> the hangs on both 6.x and 7.0:
>
> Index: acpi_pci_link.c
> ===================================================================
> RCS file: /usr/cvs/src/sys/dev/acpica/acpi_pci_link.c,v
> retrieving revision 1.51
> diff -u -r1.51 acpi_pci_link.c
> --- acpi_pci_link.c 5 Dec 2005 19:50:00 -0000 1.51
> +++ acpi_pci_link.c 3 Jan 2006 14:24:23 -0000
> @@ -449,8 +449,10 @@
> }
> }
> sc->pl_num_links = creq.count;
> - if (creq.count == 0)
> + if (creq.count == 0) {
> + ACPI_SERIAL_END(pci_link);
> return (0);
> + }
> sc->pl_links = malloc(sizeof(struct link) * sc->pl_num_links,
> M_PCI_LINK, M_WAITOK | M_ZERO);
>
>
> --
> John Baldwin <jhb@FreeBSD.org> <>< http://www.FreeBSD.org/~jhb/
> "Power Users Use the Power to Serve" = http://www.FreeBSD.org
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