Date: Mon, 15 Aug 2016 22:41:16 -0500 From: Karl Denninger <karl@denninger.net> To: freebsd-stable@freebsd.org Subject: Re: Very odd behavior with RC2 Message-ID: <f1f3fd27-0dad-bc28-22ad-ea20703803ff@denninger.net> In-Reply-To: <78c29b97-a6b1-7e3f-e207-2a094d117ba8@denninger.net> References: <78c29b97-a6b1-7e3f-e207-2a094d117ba8@denninger.net>
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This is a cryptographically signed message in MIME format. --------------ms050803040708020004020109 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On 8/15/2016 15:52, Karl Denninger wrote: > FreeBSD 11.0-PRERELEASE #2 r304166: Mon Aug 15 13:17:09 CDT 2016 =20 > karl@NewFS.denninger.net:/usr/obj/usr/src/sys/KSD-SMP > > Symptoms: > > This machine is on a SuperMicro board with the integrated KVM. > > After updating to this from the previous Alpha release this morning > (built circa July 15th) the emulated keyboard disappeared intermittentl= y > (!) and would not register keypresses. There appears to have been > something that has changed quite-materially in the loader and/or the > kernel in this regard. Screen display was unaffected. > > Toggling the mouse mode would restore the keyboard; this causes a detac= h > and reattach of the virtual keyboard to the system, and it would then w= ork. > > Just a heads-up as this was wildly unexpected and needless to say cause= d > me quite a bit of heartburn trying to perform the upgrade and mergemast= er! > =46rom the PR I filed on this... Scanning back through recent commits I am wondering if this one is related; the problem occurs after the kernel is loaded (I can use the keyboard on the KVM perfectly well in the BIOS, etc) and once the system is fully up and running it works as well. It is only if/when geli wants a password *during the boot process* that the keyboard is hosed. r304124 | hselasky | 2016-08-15 03:58:55 -0500 (Mon, 15 Aug 2016) | 7 lin= es MFC r303765: Keep a reference count on USB keyboard polling to allow recursive cngrab() during a panic for example, similar to what the AT-keyboard driver is doing. Found by: Bruce Evans <brde@optusnet.com.au> The reason this looks possibly-related is that the KVM attaches as a USB keyboard.... and a plugged-in USB keyboard also exhibits the problem during the boot-time process, as shown here from the boot log on one of the impacted machines.... Enter passphrase for da8p4: ugen1.2: <Winbond Electronics Corp> at usbus1 ukbd0: <Winbond Electronics Corp Hermon USB hidmouse Device, class 0/0, rev 1.10/0.01, addr 2> on usbus1 kbd2 at ukbd0 And... uhid0: <Microsoft Comfort Curve Keyboard 2000, class 0/0, rev 2.00/1.73, addr 3> on usbus4 Hmmm..... --=20 Karl Denninger karl@denninger.net <mailto:karl@denninger.net> /The Market Ticker/ /[S/MIME encrypted email preferred]/ --------------ms050803040708020004020109 Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="smime.p7s" Content-Description: S/MIME Cryptographic Signature MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgMFADCABgkqhkiG9w0BBwEAAKCC Bl8wggZbMIIEQ6ADAgECAgEpMA0GCSqGSIb3DQEBCwUAMIGQMQswCQYDVQQGEwJVUzEQMA4G A1UECBMHRmxvcmlkYTESMBAGA1UEBxMJTmljZXZpbGxlMRkwFwYDVQQKExBDdWRhIFN5c3Rl bXMgTExDMRwwGgYDVQQDExNDdWRhIFN5c3RlbXMgTExDIENBMSIwIAYJKoZIhvcNAQkBFhND dWRhIFN5c3RlbXMgTExDIENBMB4XDTE1MDQyMTAyMjE1OVoXDTIwMDQxOTAyMjE1OVowWjEL MAkGA1UEBhMCVVMxEDAOBgNVBAgTB0Zsb3JpZGExGTAXBgNVBAoTEEN1ZGEgU3lzdGVtcyBM TEMxHjAcBgNVBAMTFUthcmwgRGVubmluZ2VyIChPQ1NQKTCCAiIwDQYJKoZIhvcNAQEBBQAD ggIPADCCAgoCggIBALmEWPhAdphrWd4K5VTvE5pxL3blRQPyGF3ApjUjgtavqU1Y8pbI3Byg XDj2/Uz9Si8XVj/kNbKEjkRh5SsNvx3Fc0oQ1uVjyCq7zC/kctF7yLzQbvWnU4grAPZ3IuAp 3/fFxIVaXpxEdKmyZAVDhk9az+IgHH43rdJRIMzxJ5vqQMb+n2EjadVqiGPbtG9aZEImlq7f IYDTnKyToi23PAnkPwwT+q1IkI2DTvf2jzWrhLR5DTX0fUYC0nxlHWbjgpiapyJWtR7K2YQO aevQb/3vN9gSojT2h+cBem7QIj6U69rEYcEDvPyCMXEV9VcXdcmW42LSRsPvZcBHFkWAJqMZ Myiz4kumaP+s+cIDaXitR/szoqDKGSHM4CPAZV9Yh8asvxQL5uDxz5wvLPgS5yS8K/o7zDR5 vNkMCyfYQuR6PAJxVOk5Arqvj9lfP3JSVapwbr01CoWDBkpuJlKfpQIEeC/pcCBKknllbMYq yHBO2TipLyO5Ocd1nhN/nOsO+C+j31lQHfOMRZaPQykXVPWG5BbhWT7ttX4vy5hOW6yJgeT/ o3apynlp1cEavkQRS8uJHoQszF6KIrQMID/JfySWvVQ4ksnfzwB2lRomrdrwnQ4eG/HBS+0l eozwOJNDIBlAP+hLe8A5oWZgooIIK/SulUAsfI6Sgd8dTZTTYmlhAgMBAAGjgfQwgfEwNwYI KwYBBQUHAQEEKzApMCcGCCsGAQUFBzABhhtodHRwOi8vY3VkYXN5c3RlbXMubmV0Ojg4ODgw CQYDVR0TBAIwADARBglghkgBhvhCAQEEBAMCBaAwCwYDVR0PBAQDAgXgMCwGCWCGSAGG+EIB DQQfFh1PcGVuU1NMIEdlbmVyYXRlZCBDZXJ0aWZpY2F0ZTAdBgNVHQ4EFgQUxRyULenJaFwX RtT79aNmIB/u5VkwHwYDVR0jBBgwFoAUJHGbnYV9/N3dvbDKkpQDofrTbTUwHQYDVR0RBBYw FIESa2FybEBkZW5uaW5nZXIubmV0MA0GCSqGSIb3DQEBCwUAA4ICAQBPf3cYtmKowmGIYsm6 eBinJu7QVWvxi1vqnBz3KE+HapqoIZS8/PolB/hwiY0UAE1RsjBJ7yEjihVRwummSBvkoOyf G30uPn4yg4vbJkR9lTz8d21fPshWETa6DBh2jx2Qf13LZpr3Pj2fTtlu6xMYKzg7cSDgd2bO sJGH/rcvva9Spkx5Vfq0RyOrYph9boshRN3D4tbWgBAcX9POdXCVfJONDxhfBuPHsJ6vEmPb An+XL5Yl26XYFPiODQ+Qbk44Ot1kt9s7oS3dVUrh92Qv0G3J3DF+Vt6C15nED+f+bk4gScu+ JHT7RjEmfa18GT8DcT//D1zEke1Ymhb41JH+GyZchDRWtjxsS5OBFMzrju7d264zJUFtX7iJ 3xvpKN7VcZKNtB6dLShj3v/XDsQVQWXmR/1YKWZ93C3LpRs2Y5nYdn6gEOpL/WfQFThtfnat HNc7fNs5vjotaYpBl5H8+VCautKbGOs219uQbhGZLYTv6okuKcY8W+4EJEtK0xB08vqr9Jd0 FS9MGjQE++GWo+5eQxFt6nUENHbVYnsr6bYPQsZH0CRNycgTG9MwY/UIXOf4W034UpR82TBG 1LiMsYfb8ahQJhs3wdf1nzipIjRwoZKT1vGXh/cj3gwSr64GfenURBxaFZA5O1acOZUjPrRT n3ci4McYW/0WVVA3lDGCBRMwggUPAgEBMIGWMIGQMQswCQYDVQQGEwJVUzEQMA4GA1UECBMH RmxvcmlkYTESMBAGA1UEBxMJTmljZXZpbGxlMRkwFwYDVQQKExBDdWRhIFN5c3RlbXMgTExD MRwwGgYDVQQDExNDdWRhIFN5c3RlbXMgTExDIENBMSIwIAYJKoZIhvcNAQkBFhNDdWRhIFN5 c3RlbXMgTExDIENBAgEpMA0GCWCGSAFlAwQCAwUAoIICTTAYBgkqhkiG9w0BCQMxCwYJKoZI hvcNAQcBMBwGCSqGSIb3DQEJBTEPFw0xNjA4MTYwMzQxMTZaME8GCSqGSIb3DQEJBDFCBEDu PL/v0KvB+OnuofW9jBPAowPiMzATChxfky1mh9oG2NYEyRbxiK1ZtOH9o+5WAVgOO50I7UP3 KcrodnXOCe/JMGwGCSqGSIb3DQEJDzFfMF0wCwYJYIZIAWUDBAEqMAsGCWCGSAFlAwQBAjAK BggqhkiG9w0DBzAOBggqhkiG9w0DAgICAIAwDQYIKoZIhvcNAwICAUAwBwYFKw4DAgcwDQYI KoZIhvcNAwICASgwgacGCSsGAQQBgjcQBDGBmTCBljCBkDELMAkGA1UEBhMCVVMxEDAOBgNV BAgTB0Zsb3JpZGExEjAQBgNVBAcTCU5pY2V2aWxsZTEZMBcGA1UEChMQQ3VkYSBTeXN0ZW1z IExMQzEcMBoGA1UEAxMTQ3VkYSBTeXN0ZW1zIExMQyBDQTEiMCAGCSqGSIb3DQEJARYTQ3Vk YSBTeXN0ZW1zIExMQyBDQQIBKTCBqQYLKoZIhvcNAQkQAgsxgZmggZYwgZAxCzAJBgNVBAYT AlVTMRAwDgYDVQQIEwdGbG9yaWRhMRIwEAYDVQQHEwlOaWNldmlsbGUxGTAXBgNVBAoTEEN1 ZGEgU3lzdGVtcyBMTEMxHDAaBgNVBAMTE0N1ZGEgU3lzdGVtcyBMTEMgQ0ExIjAgBgkqhkiG 9w0BCQEWE0N1ZGEgU3lzdGVtcyBMTEMgQ0ECASkwDQYJKoZIhvcNAQEBBQAEggIAO3qw/Kc6 jhY3SlGOJp1Lt+oJBSjxIU2KpK0du2b+O5IMvKNLfNgH8S2akk60hY6py6eh/ppX83Hol67O +ofwsSYywnWAoHFTRKED0GMe04M1/nbX7kwMsPfFn1VzX98DUfXcLZP8eNHTy4oYE58XHKqs 3rAAfUl8WBSl+QT9iSqhSP94s5kqGpI0jt8ykIC2MiKblD8L3ouqbRty9UFYyJ1vj9skj3HB icql+VwRPpmISRKz+FF9K1yfEKuToYxc9MKRW6YBaCg3/dNXxZlKa7pwQezCFMPxYMM4if/K dzv12BHCB1dqjTNe2qljtltM9cDQZQA6bkvQkSPgvf0t4YedjpQWKma2mQmFHN/u4iyfTIy4 +yWswrgALGVxYVbtMt+t1XZjTQ/yUzWHdpaBH+twJrzLFcY7iZ/yCX9Dl6RzSR+alGXTWwNS tfF8IBjS6b6rekgaUU3PurS+eOR/s5QSnchGQOyGbeNCvl94jUoB+4noiS7Sv8XvL5b2axe4 rFXEoh3YWon9OnlrNpOrcGn/bxuF9MbIJNTuFFi4MzCdPftAI8bu51qDcKbg2PfV3CQRu7BD B8DRPaZMqVrimuKMAG97g0/r6k86dn0KyGQGCTX3c3gz2f6ZgfvUGlz+Wsb0YIwxVXDP/irm yQC/DEE3EdJV9XEX2Knsi9u680oAAAAAAAA= --------------ms050803040708020004020109--
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