Date: Sat, 10 May 2003 14:34:26 -0700 From: Lars Eggert <larse@ISI.EDU> To: David Leimbach <leimy2k@mac.com> Cc: current@freebsd.org Subject: Re: Interrupt latency problems Message-ID: <3EBD7062.20607@isi.edu> In-Reply-To: <F520D3DB-832D-11D7-9B15-0003937E39E0@mac.com> References: <F520D3DB-832D-11D7-9B15-0003937E39E0@mac.com>
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This is a cryptographically signed message in MIME format. --------------ms050600070507060406010509 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit David Leimbach wrote: > Are you using sysmouse for your mouse protocol for X? This used to > happen to me all the time in FBSD 4.x before I changed to sysmouse. Yes, but I used that under 4.X also, and didn't see these issues. > On Saturday, May 10, 2003, at 10:40 AM, Lars Eggert wrote: >> On 5/10/2003 5:37 AM, Paul Richards wrote: >> >>> I'm having real problems with current with heavy disk activity. >>> When working in X and updating ports which causes a lot of disk activity >>> I get *very* poor interactive responses. Keypresses can not appear for >>> seconds and mouse movement is very jerky and unresponsive. >>> I'm wondering if something is holding locks a long time in interrupt >>> handlers and causing mouse/keyboard interrupts to be lost? >>> Since this is caused by heavy disk activity then my first guess would be >>> the ATA driver. >>> Is anyone else seeing anything like this? >> >> I do, but with SCSI disks and on an SMP box. So I doubt it's the ATA >> subsystem alone. -- Lars Eggert <larse@isi.edu> USC Information Sciences Institute --------------ms050600070507060406010509 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 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