-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Andriy Gapon wrote: > on 25/09/2009 11:02 Svein Skogen (listmail account) said the following: >> Andriy Gapon wrote: >>> on 24/09/2009 17:51 Hans Petter Selasky said the following: >> *SNIP!* >> >>> Not sure how to interpret this. >>> Either a timing issue, i.e. the register gets over-written some time after we >>> program it. >>> Or perhaps a bug in SMM code, i.e. when we generate an SMI (e.g. while doing >>> ohci1 takeover) SMM code erroneously writes something to ohci0 ctrlhead. >>> Or something else... :) >> Could it be related to "USB Legacy Devices" in bios, and thus be the >> same problem that was discussed recently (regarding HZ larger than 1000)? >> >> An usb-legacy setup might explain both the register-changing _AND_ the >> timing issue... > > It very well could, but... > > We do perform proper OHCI takeover, so we don't expect firmware to mess with the > controllers after it is finished. > > Also, I personally have everything "USB legacy" disabled in my BIOS ("USB Legacy > Support", "USB Keyboard support", "USB Mouse support"). Although, Gigabyte BIOSes > are known to be sometimes smarter than they appear and to "autodetect" things when > they are explicitly turned off in settings. > > Last point. Explaining is half the job. Fixing / working around is the other half. > > P.S. I am not sure what "timing issue" you referred to. http://lists.freebsd.org/pipermail/freebsd-stable/2009-September/051812.html //Svein - -- - --------+-------------------+------------------------------- /"\ |Svein Skogen | svein_at_d80.iso100.no \ / |Solberg Østli 9 | PGP Key: 0xE5E76831 X |2020 Skedsmokorset | svein_at_jernhuset.no / \ |Norway | PGP Key: 0xCE96CE13 | | svein_at_stillbilde.net ascii | | PGP Key: 0x58CD33B6 ribbon |System Admin | svein-listmail_at_stillbilde.net Campaign|stillbilde.net | PGP Key: 0x22D494A4 +-------------------+------------------------------- |msn messenger: | Mobile Phone: +47 907 03 575 |svein_at_jernhuset.no | RIPE handle: SS16503-RIPE - --------+-------------------+------------------------------- If you really are in a hurry, mail me at svein-mobile_at_stillbilde.net This mailbox goes directly to my cellphone and is checked even when I'm not in front of my computer. - ------------------------------------------------------------ Picture Gallery: https://gallery.stillbilde.net/v/svein/ - ------------------------------------------------------------ -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ iEYEARECAAYFAkq8fb8ACgkQODUnwSLUlKSqXQCgiIvShHz0AoLx7U5M3v29hgHc 5egAnjdPqAQdWeVxx26oZiKxXdLsW0vl =hcEc -----END PGP SIGNATURE-----Received on Fri Sep 25 2009 - 06:22:24 UTC
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