Date: Thu, 17 Mar 2005 06:50:05 GMT From: Peter Jeremy <PeterJeremy@optushome.com.au> To: freebsd-i386@FreeBSD.org Subject: Re: i386/72441: HP Proliant DL380 hangs on reboot with 5.3 Message-ID: <200503170650.j2H6o5aj002914@freefall.freebsd.org>
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The following reply was made to PR i386/72441; it has been noted by GNATS. From: Peter Jeremy <PeterJeremy@optushome.com.au> To: jhb@freebsd.org Cc: Chen Zhao <chen@metcomm.net>, freebsd-gnats-submit@freebsd.org Subject: Re: i386/72441: HP Proliant DL380 hangs on reboot with 5.3 Date: Thu, 17 Mar 2005 17:49:31 +1100 There was some discussion in -current around the time I submitted the PR and since there's no obvious link, for the record, the following thread is also relevant: http://lists.freebsd.org/pipermail/freebsd-current/2004-October/039938.html My investigating at the time led me to the following: >Adding some printf's shows that the code is getting into cpu_reset_real(). >By this time, all modules and subsystems have been shutdown. All that's >left to do is ask the hardware for a reset. The only problem is that >the hardware doesn't want to play ball. Presumably something the kernel >is doing (apparently associated with loading kernel modules) is disturbing >the hardware state so that reset no longer works. Unfortunately, I no longer have ready access to that machine. On Tue, 2005-Mar-08 12:38:31 -0500, John Baldwin wrote: > I noticed that >your box claims that the only CPU has an APIC ID of 6 which seems odd. I believe the DL380 supports 1 or 2 CPUs. Chen's dmesg shows that the CPUs have APIC id's of 0 (BSP) and 6 (AP). All I can assume is that either HP designed the machine backward or that someone installed the CPU in the wrong socket (assuming that would work). I never looked inside the box and no longer have physical access to it. -- Peter Jeremy
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