what -march are you actually compiling for and under what distro?
On 06/19/2014 04:25 PM, David N wrote:
Hi David,
Yes, it's mt6572 with armv7 rev 3. I didn't do any changes to fio.
Just pulled the latest version, compiled, and pushed the binary to the
device. I tried the same binary on Samsung S4 with qualcomm, and it
worked fine.
Thanks,
-David Nguyen
On Thu, Jun 19, 2014 at 2:13 PM, David Nellans <david@xxxxxxxxxxx> wrote:
I may have actually spoken prematurely - if the krait version is running v7a
and compiles for armeabi-v7a
but the mt6572 is only supports armeabi you could run into ABI issues.
either way, still very unlikely its a fio issue.
On 06/19/2014 04:04 PM, David Nellans wrote:
generally speaking taking a pre-compiled binary from one machine to
another is a dicey proposition
but in this case you're moving from a krait 400? which runs armv7 to the
MT6572 which is a cortex A-7
which are the same ISA rev. are you running the exact same distro and/or
set of libs on them too?
changes there in glibc, will cause issues. cross compiling for x86
certainly isn't going to fix your problems!
just for good measure I did just compile and run fio tip on a tegra k1
running ubuntu 13.04 (3.10.33 kern)
and it seems to be working just fine. have you managed to get anything at
all to work via this method?
i doubt its an issue specific to fio.
- the real David N
On 06/19/2014 03:39 PM, David N wrote:
Hi all,
I got fio working fine on a device with Qualcomm Snapdragon but
executing that same compiled binary gave me "sh: ./fio: not
executable: magic 7F45" on a MediaTek (MT6572) device.
I tried to recompile both for ARM and x86 but still the same issue.
The binary is executable (did chmod it), so I'm not sure what is
causing this. I'd very much appreciate any input.
Thanks much!
David
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