Date: Wed, 22 Oct 2008 14:28:26 -0700 From: Nate Lawson <nate@root.org> To: Alexander Motin <mav@FreeBSD.org> Cc: freebsd-acpi@FreeBSD.org, freebsd-amd64@FreeBSD.org Subject: Re: Semi-working patch for amd64 suspend/resume Message-ID: <48FF9AFA.3030201@root.org> In-Reply-To: <48FF9925.4090007@FreeBSD.org> References: <1224616985.00027652.1224606603@10.7.7.3> <48FF78F0.2090801@FreeBSD.org> <200810221623.09613.jkim@FreeBSD.org> <48FF9925.4090007@FreeBSD.org>
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Alexander Motin wrote: > Jung-uk Kim wrote: >> When you do 'sysctl debug.acpi.suspend_bounce=1' and 'acpiconf -s 3', >> does it bounce back? If it does not, there are other problems, e.g., >> device drivers. On my desktop, for example, vga(4) tries to restore >> previous state while resuming but it hangs system. In fact, I believe >> ISA-era EGA/VGA save/restore routines do not work for modern graphics >> cards at all. :-( > > Test passed from both console and XOrg. I have integrated i965GM video. > > Here is verbose messages from that trip "there and back again": > > Oct 23 00:11:55 mavbook acpi: suspend at 20081023 00:11:55 > Oct 23 00:12:00 mavbook kernel: vga0: saving 68 bytes of video state > Oct 23 00:12:00 mavbook kernel: pci0:0:2:0: Transition from D0 to D3 > Oct 23 00:12:00 mavbook kernel: pci0:0:2:1: Transition from D0 to D3 > Oct 23 00:12:00 mavbook kernel: pci0:0:26:7: Transition from D0 to D3 > Oct 23 00:12:00 mavbook kernel: acpi: bad write to port 0x080 (32), val > 0xbb > Oct 23 00:12:06 mavbook kernel: pci0:0:27:0: Transition from D0 to D3 > Oct 23 00:12:06 mavbook kernel: pci0:0:31:2: Transition from D0 to D3 > Oct 23 00:12:06 mavbook kernel: pci0:0:2:0: Transition from D3 to D0 > Oct 23 00:12:06 mavbook kernel: pci0:0:2:1: Transition from D3 to D0 > Oct 23 00:12:06 mavbook kernel: acpi: bad write to port 0x080 (32), val > 0xaa > Oct 23 00:12:06 mavbook kernel: pci0:0:26:7: Transition from D3 to D0 > Oct 23 00:12:06 mavbook kernel: pci0:0:27:0: Transition from D3 to D0 > Oct 23 00:12:06 mavbook kernel: pci0:0:31:2: Transition from D3 to D0 That's kind of weird. The above devices were turned off (D3) then back on again (D0). I'm wondering about that blocked write also. -- Nate
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