Date: Mon, 21 Apr 2003 08:45:46 -0700 From: Lars Eggert <larse@ISI.EDU> To: "Cliff L. Biffle" <cbiffle@safety.net> Cc: Robert Watson <rwatson@freebsd.org> Subject: Re: Laptop update... Message-ID: <3EA4122A.8090603@isi.edu> In-Reply-To: <200304201807.29531.cbiffle@safety.net> References: <Pine.NEB.3.96L.1030420190618.16891w-100000@fledge.watson.org> <200304201807.29531.cbiffle@safety.net>
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This is a cryptographically signed message in MIME format. --------------ms030609080903010701050202 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit On 4/20/2003 6:07 PM, Cliff L. Biffle wrote: > On Sunday 20 April 2003 04:09 pm, Robert Watson wrote: > >>When you wake the box up again, try switching to another virtual console >>and back again, and/or changing the display resolution using >>ctrl-alt-[keypad + or -]. I've noticed similar things with my Dell >>notebook, and seem to recall a discussion of this issue previously. >>Basically, when things wake up, some piece of something forgets to power >>the backlight back on again. > > I've had similar issues on my Toshiba laptop. There are patches to XFree > floating around that resolve this, at least on my machine; basically, XFree > does not do a full reinit of the display on resume, by default. So, in my > case, I have no mouse cursor; in your case, you have no backlight, and so > forth. I've been digging for the patches and can't find 'em, but you may > have more luck than I. FWIW, in the case of my Dell at least, it's also an issue with syscons, not just X. And it's not just the backlighting, the whole screen stays black. Lars -- Lars Eggert <larse@isi.edu> USC Information Sciences Institute --------------ms030609080903010701050202 Content-Type: application/x-pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExCzAJBgUrDgMCGgUAMIAGCSqGSIb3DQEHAQAAoIIJtjCC AzgwggKhoAMCAQICEGZFcrfMdPXPY3ZFhNAukQEwDQYJKoZIhvcNAQEEBQAwgdExCzAJBgNV BAYTAlpBMRUwEwYDVQQIEwxXZXN0ZXJuIENhcGUxEjAQBgNVBAcTCUNhcGUgVG93bjEaMBgG A1UEChMRVGhhd3RlIENvbnN1bHRpbmcxKDAmBgNVBAsTH0NlcnRpZmljYXRpb24gU2Vydmlj ZXMgRGl2aXNpb24xJDAiBgNVBAMTG1RoYXd0ZSBQZXJzb25hbCBGcmVlbWFpbCBDQTErMCkG CSqGSIb3DQEJARYccGVyc29uYWwtZnJlZW1haWxAdGhhd3RlLmNvbTAeFw0wMDA4MzAwMDAw MDBaFw0wNDA4MjcyMzU5NTlaMIGSMQswCQYDVQQGEwJaQTEVMBMGA1UECBMMV2VzdGVybiBD YXBlMRIwEAYDVQQHEwlDYXBlIFRvd24xDzANBgNVBAoTBlRoYXd0ZTEdMBsGA1UECxMUQ2Vy dGlmaWNhdGUgU2VydmljZXMxKDAmBgNVBAMTH1BlcnNvbmFsIEZyZWVtYWlsIFJTQSAyMDAw 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