Date: Mon, 01 Dec 2008 03:42:40 +0200 From: Alexander Motin <mav@FreeBSD.org> To: Jung-uk Kim <jkim@freebsd.org> Cc: freebsd-acpi@freebsd.org, freebsd-amd64@freebsd.org, peter@freebsd.org Subject: Re: Semi-working patch for amd64 suspend/resume Message-ID: <49334110.4010308@FreeBSD.org> In-Reply-To: <4932F34C.1040804@FreeBSD.org> References: <1224616985.00027652.1224606603@10.7.7.3> <1224728582.00028075.1224715806@10.7.7.3> <4932F34C.1040804@FreeBSD.org>
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Alexander Motin wrote: > As result, I have found, that if I am inserting: > qqq: > jmp qqq > lines before line 98 of acpi_switch.S: > movl $MSR_MTRRdefType, %ecx > movl WAKEUP_CTX(mtrr), %eax > wrmsr > system hangs, but if I insert it just after them - system reboots. > > With just commenting this three lines I was able to get successful > suspend/resume with UP amd64 kernel!!! > > Here is problems I still have now: > - SMP kernel resume is not working, system reboots while doing > acpi_wakeup_cpus(); > - SATA controller does not resumes correctly, it dies for some reason, > reporting timeouts on any request; This one is not a problem anymore. Seems to be fixed. > - text mode video does not restores on resume, while Xorg graphic one > does. hw.acpi.reset_video=1 does not help, it just hanging resume process. -- Alexander Motin
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