OK ... at first glance the system seems to be operating normally except
for the errors every 4 seconds ... that is it's attached to and using the
iscsi target ...
Is this a problem in iommu OR the emulex driver??
On Thu, Sep 25, 2014 at 2:36 AM, Yijing Wang wangyij...@huawei.com wrote:
On
On 9/25/2014 9:56 AM, Rob Roschewsk wrote:
OK ... at first glance the system seems to be operating normally
except for the errors every 4 seconds ... that is it's attached to and
using the iscsi target ...
Is this a problem in iommu OR the emulex driver??
Please make sure your BIOS and
Hello All wonder if there has been any movement on this issue I'm
having a similar issue
I'm running an HP dl380 gen 8 with an Emulex OneConnect 10Gb iSCSI (14e4:164c)
(rev 11)
also known as Hewlett-Packard Company NC373i Integrated Multifunction Gigabit
Server Adapter
03:00.2 Mass
On 2014/9/25 5:56, Rob Roschewsk wrote:
Hello All wonder if there has been any movement on this issue I'm
having a similar issue
I'm running an HP dl380 gen 8 with an Emulex OneConnect 10Gb iSCSI
(14e4:164c) (rev 11)
also known as Hewlett-Packard Company NC373i Integrated
On 8/11/2014 9:37 PM, Yijing Wang wrote:
On 2014/8/11 22:59, Linda Knippers wrote:
On 8/11/2014 12:43 AM, Alex Williamson wrote:
On Mon, 2014-08-11 at 10:54 +0800, Yijing Wang wrote:
We found some strange devices in HP C7000 and Huawei Server. These devices
can not be enumerated by OS, but
extern struct iommu_table_entry __iommu_table[], __iommu_table_end[];
@@ -146,6 +148,7 @@ void dma_generic_free_coherent(struct device *dev,
size_t size, void *vaddr,
*/
static __init int iommu_setup(char *p)
{
+char *end;
iommu_merge = 1;
if (!p)
@@ -192,6
On 8/11/2014 12:43 AM, Alex Williamson wrote:
On Mon, 2014-08-11 at 10:54 +0800, Yijing Wang wrote:
We found some strange devices in HP C7000 and Huawei Server. These devices
can not be enumerated by OS, but they still did DMA read/write without OS
management. Because iommu will not create
On 2014/8/12 9:37, Yijing Wang wrote:
On 2014/8/11 22:59, Linda Knippers wrote:
On 8/11/2014 12:43 AM, Alex Williamson wrote:
On Mon, 2014-08-11 at 10:54 +0800, Yijing Wang wrote:
We found some strange devices in HP C7000 and Huawei Server. These devices
can not be enumerated by OS, but
On 2014/8/12 9:37, Yijing Wang wrote:
On 2014/8/11 22:59, Linda Knippers wrote:
On 8/11/2014 12:43 AM, Alex Williamson wrote:
On Mon, 2014-08-11 at 10:54 +0800, Yijing Wang wrote:
We found some strange devices in HP C7000 and Huawei Server. These devices
can not be enumerated by OS, but they
On 2014/8/12 11:18, Jiang Liu wrote:
On 2014/8/12 9:37, Yijing Wang wrote:
On 2014/8/11 22:59, Linda Knippers wrote:
On 8/11/2014 12:43 AM, Alex Williamson wrote:
On Mon, 2014-08-11 at 10:54 +0800, Yijing Wang wrote:
We found some strange devices in HP C7000 and Huawei Server. These devices
We found some strange devices in HP C7000 and Huawei Server. These devices
can not be enumerated by OS, but they still did DMA read/write without OS
management. Because iommu will not create the DMA mapping for these devices,
the DMA read/write will be blocked by iommu hardware.
Eg.
On Mon, 2014-08-11 at 10:54 +0800, Yijing Wang wrote:
We found some strange devices in HP C7000 and Huawei Server. These devices
can not be enumerated by OS, but they still did DMA read/write without OS
management. Because iommu will not create the DMA mapping for these devices,
the DMA
Hi Yijing,
These devices don't support Phantom Function (PhantFunc 0).
Could you please help to provide full dmesg, /proc/iomem, and ACPI
DMAR table? You may get DMAR table by:
acpidump acpi.bin
acpixtract -a acpib.bin
iasl -d DMAR.dat
Thanks!
Gerry
On 2014/8/11 11:46, Yijing Wang wrote:
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