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From: "linux-os (Dick Johnson)" <>
To: "Linux kernel" <>
Subject: 64-bit AMD panic
Date: Mon, 3 Mar 2008 12:06:09 -0500	[thread overview]
Message-ID: <> (raw)

Hello all,

We have 64-bit production machines that use the kernel shipped with
a RedHat distribution, linux-2.6.11-1.1369_FC4smp. There have been
no problems until we received recent hardware. With the latest hardware,
which the vendor claims hasn't changed, the machines panic when either
a USB mouse or USB keyboard are plugged in.


Supermicro H8DME-2
Two quad-Core AMD Opteron CPUs
6 SATA2 3.0Gb/s HD Support
2 64-bit 133/100 MHz PCI-X
2 64=bit 100MHz PCI-X
ATI ES1000 Graphics

Chipset nVida MCP55 Pro
NEC uPD720400
USB FUCI, uses ohci_hcd driver.

When mouse or keyboard is inserted, I get a panic with:
"map_single bounce buffer is not DMA'ble."

This comes from: linux-2.6.11-prep/arch/ia64/lib/swiotlb.c,
line 440. I added 64-bit long print hex to the panic statement
so I could display the address it doesn't like.

The address it doesn't like is: 0x000000022a0aa000

Does anybody have a clue what might be the matter and how to fix it?

Dick Johnson
Penguin : Linux version on an i686 machine (5588.28 BogoMips).
My book :

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Thank you.

             reply	other threads:[~2008-03-03 17:06 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-03-03 17:06 linux-os (Dick Johnson) [this message]
2008-03-03 18:45 ` Christian Kujau
2008-03-03 21:22   ` Rik van Riel
2008-03-03 22:10     ` linux-os (Dick Johnson)
2008-03-03 22:21       ` Rik van Riel
2008-03-04  0:11       ` Jesper Juhl
2008-03-04 14:21         ` linux-os (Dick Johnson)
2008-03-06 16:41 ` Chris Snook

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