* Re: Huge memory takes too long time to initialize on 4TB memory ?
[not found] <CABawtvN4Cwm3iFBB9hkDREHgtVYTni93TQ4SqezyLMtVAqhqVA@mail.gmail.com>
@ 2012-05-23 23:24 ` Andrea Arcangeli
0 siblings, 0 replies; only message in thread
From: Andrea Arcangeli @ 2012-05-23 23:24 UTC (permalink / raw)
To: ethan zhao; +Cc: linux-kernel
Hi,
On Wed, May 23, 2012 at 10:36:01AM +0800, ethan zhao wrote:
> Hi, aarcange
>
> When I boot kernel 2.6.39-100.6.1.el6uek.x86_64(actually 3.0.26)on a 4TB
> machine, got following call trace,
> That shows huge memory take too long time to initialize ? any help ?, I
> compared the huge_memory.c code between 3.0.26 and the current 3.2.x, no
> change.
>
> Pid: 1, comm: swapper Not tainted 2.6.39-100.6.1.el6uek.x86_64 #1 Oracle
> Corporation Sun Fire X4800 M2 /
> RIP: 0010:[<ffffffff814fb2d9>] [<ffffffff814fb2d9>]
> _raw_spin_unlock_irqrestore+**0x19/0x30
Could you reproduce it with an upstream (or with RHEL) kernel? It may
be reproducible upstream, but it looks like some kind of memory
corruption or zone dangling pointer so it's hard to tell if it's
upstraem too or not, by just reading the oops.
Thanks,
Andrea
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2012-05-23 23:24 ` Huge memory takes too long time to initialize on 4TB memory ? Andrea Arcangeli
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