From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Lars Brinkhoff <lars@nocrew.org>, <linuxppc-dev@lists.linuxppc.org>
Subject: Re: Linux 2.4 on 2001 G4
Date: Tue, 10 Apr 2001 10:54:07 +0200 [thread overview]
Message-ID: <20010410085407.26331@mailhost.mipsys.com> (raw)
In-Reply-To: <85puelrwck.fsf@junk.nocrew.org>
>It seems to hang in smp_core99_kick_cpu(), probably when the CPU takes
>the exception. I inserted some debug messages around the call to
>mdelay() like so:
>
> if (ppc_md.progress) ppc_md.progress("!", 0);
> mdelay(1);
> if (ppc_md.progress) ppc_md.progress("smp_core99_kick_cpu: after
mdelay", 0);
>
>When booting, "!" is printed, but the other message is not.
>
>Is there anything else I can do to diagnose the problem?
I beleive it hangs in the second CPU entry point in head.S. My new CPU
identification & setup mecanism was not tested on SMP yet, so I beleive
it still has bugs. I'll look into this today or later this week.
Ben.
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
prev parent reply other threads:[~2001-04-10 8:54 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <857l0utbu5.fsf@junk.nocrew.org>
[not found] ` <20010409160621.12920@mailhost.mipsys.com>
2001-04-10 8:29 ` Linux 2.4 on 2001 G4 Lars Brinkhoff
2001-04-10 8:54 ` Benjamin Herrenschmidt [this message]
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