;/dev/mem", ...)
in application, the data read in mapped virtual address is not the
data writing by
FPGA.
Should I write a kernel driver, or use another device for mmap()?
--
Cyberman Wu
;/dev/mem", ...)
in application, the data read in mapped virtual address is not the
data writing by
FPGA.
Should I write a kernel driver, or use another device for mmap()?
--
Cyberman Wu
On Fri, Nov 9, 2012 at 9:11 AM, Tejun Heo wrote:
> Hello,
>
> On Fri, Nov 09, 2012 at 08:53:49AM +0800, Cyberman Wu wrote:
>> A lot of these message on many CPU:
>
> What I'm really curious about is the *first* exception.
>
> Is the following the first one? So
On Fri, Nov 9, 2012 at 9:11 AM, Tejun Heo t...@kernel.org wrote:
Hello,
On Fri, Nov 09, 2012 at 08:53:49AM +0800, Cyberman Wu wrote:
A lot of these message on many CPU:
What I'm really curious about is the *first* exception.
Is the following the first one? Some lines (why the stackdump
the same issue.
I only tested it on Gx platform from Tilera, but that second exception
should occur on
any platform if kworker got exception and can't be recovered.
On Thu, Nov 8, 2012 at 12:28 AM, Tejun Heo wrote:
> Hello, Cyberman.
>
> On Sat, Nov 03, 2012 at 04:03:21PM +0800, Cyberman
, 2012 at 04:03:21PM +0800, Cyberman Wu wrote:
Recent days we got a exception in kernel thread [kworker/n:m], but
exception handler
Can you please post kernel messages for the initial exception?
Thanks.
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tejun
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e
of kernel version 3.6.5,
it seems have the same process, only with files and functions split.
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,
it seems have the same process, only with files and functions split.
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Please read the FAQ
ather than 4K.)
>
> I/O space is very limited to begin with (many architectures only
> *have* 64K), so I hesitate to add a bias in the PCI core. But we do
> something similar in arch_remove_reservations(), and I think you could
> implement it that way if you wanted to.
>
> Bjor
the same card inserted into x86 platform, the allocated I/O space
is not start from 0,
so it works fine.
On Fri, Oct 26, 2012 at 4:03 PM, Bjorn Helgaas wrote:
> [+cc Chris, also a few comments below]
>
> On Fri, Oct 26, 2012 at 12:59 AM, Cyberman Wu wrote:
>> After we upgrade to M
-10-22
14:56:59.783096378 +0800
+++ Tilera_src/src/linux-2.6.40.38/arch/tile/kernel/pci_gx.c2012-10-26
13:55:02.731947886 +0800
@@ -368,6 +368,10 @@
int num_trio_shims = 0;
int ctl_index = 0;
int i, j;
+// Modified by Cyberman Wu on Oct 25th, 2012.
+ resource_size_t
:59.783096378 +0800
+++ Tilera_src/src/linux-2.6.40.38/arch/tile/kernel/pci_gx.c2012-10-26
13:55:02.731947886 +0800
@@ -368,6 +368,10 @@
int num_trio_shims = 0;
int ctl_index = 0;
int i, j;
+// Modified by Cyberman Wu on Oct 25th, 2012.
+ resource_size_t io_mem_start
from 0,
so it works fine.
On Fri, Oct 26, 2012 at 4:03 PM, Bjorn Helgaas bhelg...@google.com wrote:
[+cc Chris, also a few comments below]
On Fri, Oct 26, 2012 at 12:59 AM, Cyberman Wu cyphe...@gmail.com wrote:
After we upgrade to MDE 4.1.0 from Tilera, we encounter a problem that
only
something similar in arch_remove_reservations(), and I think you could
implement it that way if you wanted to.
Bjorn
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n so some output lost)
The first time Ctrl-C quit strace, but it doesn't work second time.
It seem ps hang while it read /proc/5/stat, which I've check it 'comm'
and is some thing like
'kworker/u:0'. The system now stop response for any input, even in
serial port, so I can't
check it again. Output of our applic
, but nothing
can be typed in.
On Fri, Oct 12, 2012 at 3:18 PM, devendra.aaru devendra.a...@gmail.com wrote:
On Fri, Oct 12, 2012 at 1:56 AM, Cyberman Wu cyphe...@gmail.com wrote:
Sorry to use that big mail list account since I don't know any
specific mail list account should be used
mechanism can be used to
get it stack, or other information, to help me figure out what's the
cause of ps pend on *RUNNING*?
System information:
# uname -a
Linux localhost 2.6.38.8-MDE-4.0.0.141101 #7 SMP Fri Sep 28 21:46:08
CST 2012 tilegx GNU/Linux
Best regards.
--
Cyberman Wu
mechanism can be used to
get it stack, or other information, to help me figure out what's the
cause of ps pend on *RUNNING*?
System information:
# uname -a
Linux localhost 2.6.38.8-MDE-4.0.0.141101 #7 SMP Fri Sep 28 21:46:08
CST 2012 tilegx GNU/Linux
Best regards.
--
Cyberman Wu
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