Date: Wed, 15 Jan 2003 11:05:24 -0600 From: "Cagle, John (ISS-Houston)" <john.cagle@hp.com> To: "John Baldwin" <jhb@FreeBSD.org>, "Nicolas Kowalski" <Nicolas.Kowalski@imag.fr> Cc: <freebsd-current@freebsd.org> Subject: RE: SMP hang at boot on Compaq Proliant ML370 Message-ID: <C50AB9511EE59B49B2A503CB7AE1ABD10476BD18@cceexc19.americas.cpqcorp.net>
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That's a vicious rumor -- no operating system could work without clock interrupts in SMP mode... Could it? Which generation of the ML370 is having this problem? I had a similar problem on another box that was corrected with a newer BIOS version. Thanks, John > -----Original Message----- > From: John Baldwin [mailto:jhb@FreeBSD.org]=20 > Sent: Wednesday, January 15, 2003 10:55 AM > To: Nicolas Kowalski > Cc: freebsd-current@FreeBSD.org > Subject: Re: SMP hang at boot on Compaq Proliant ML370 >=20 >=20 >=20 > On 15-Jan-2003 Nicolas Kowalski wrote: > > phk@FreeBSD.ORG writes: > >=20 > >> I had a Compaq visit my lab recently. Unless the aic driver were=20 > >> removed from the kernel (disabling it might have worked=20 > too) it would=20 > >> screw up the floppy driver. > >> > >> This sounds like black magic, but the explanation is that the aic=20 > >> driver has a very intrusive probe routine which sticks=20 > random bytes=20 > >> into whatever I/O locations it feels like and this=20 > appearantly is not=20 > >> liked by certain machines. > >> > >> Compaqs with all their bells and whistles could be particular=20 > >> sensitive to this, so try to disable the aic driver and see if it=20 > >> helps. > >=20 > > I tried this. Now there is only the ahc driver (the only=20 > one needed)=20 > > compiled in the kernel but this does not help, the server=20 > still hangs.=20 > > I also removed the ata driver, without success. :-( >=20 > Is the ML370 a new box? I've heard rumors recently that one=20 > of the recent Compaq boxes effectively doesn't generate clock=20 > interrupts in SMP mode and there isn't a workaround for that=20 > at the moment. >=20 > --=20 >=20 > John Baldwin <jhb@FreeBSD.org> <>< =20 > http://www.FreeBSD.org/~jhb/ "Power Users Use > the Power to=20 > Serve!" - http://www.FreeBSD.org/ >=20 > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-current" in the body of the message >=20 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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