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I tested this on an ARM64 A64-OLinuXino-2Ge8G-IND running Debian Bullseye (oldstable, kernel 5.10.180-olimex) installing libiio-utils 0.21 and confirmed compiling a minimal version of libiio v1 from the main branch compiled today at 1af94f2 (still running it on Debian oldstable).
What happens is that if I run iio_info -S I get the logs flooded with messages like:
musb_bus_suspend 2527: trying to suspend as a_wait_vrise while active
No idea if this is a bug on the MUSB driver side or on the iio_info -S side.
If you guide me, I can run more tests. Up to now, what I did was:
clone this repository, build with
# mkdir build
# cd build
# cmake ../ -DCCP_BINDINGS=OFF -DPYTHON_BINDINGS=OFF -DWITH_USB_BACKEND=ON -DWITH_AIO=OFF -DWITH_XML_BACKEND=ON -DHAVE_DNS_SD=OFF -DWITH_HWMON=OFF -DWITH_NETWORK_BACKEND=OFF -DENABLE_IPV6=OFF -DWITH_ZSTD=OFF -DWITH_LOCAL_MMAP_API=OFF -DWITH_LOCAL_DMABUF_API=OFF -DWITH_IIOD_V0_COMPAT=OFF -DWITH_LOCAL_BACKEND=OFF -DWITH_IIOD=OFF
# make
# make install
# iio_info -S
No IIO context found.
# dmesg | tail
[ 874.146356] musb_bus_suspend 2528: trying to suspend as a_wait_vrise while active
[ 874.146426] musb_bus_suspend 2528: trying to suspend as a_wait_vrise while active
[ 874.146480] musb_bus_suspend 2528: trying to suspend as a_wait_vrise while active
[ 874.146533] musb_bus_suspend 2528: trying to suspend as a_wait_vrise while active
[ 874.146589] musb_bus_suspend 2528: trying to suspend as a_wait_vrise while active
[ 874.146641] musb_bus_suspend 2528: trying to suspend as a_wait_vrise while active
[ 874.146694] musb_bus_suspend 2528: trying to suspend as a_wait_vrise while active
[ 874.146750] musb_bus_suspend 2528: trying to suspend as a_wait_vrise while active
[ 874.146802] musb_bus_suspend 2528: trying to suspend as a_wait_vrise while active
[ 874.146855] musb_bus_suspend 2528: trying to suspend as a_wait_vrise while active
The text was updated successfully, but these errors were encountered:
Libiio just uses libusb, if it triggers issues like that, it's definitely a kernel driver issue. Maybe try with a newer kernel if you have the possibility.
Initially reported here: https://www.olimex.com/forum/index.php?topic=9350.0
I tested this on an ARM64 A64-OLinuXino-2Ge8G-IND running Debian Bullseye (oldstable, kernel 5.10.180-olimex) installing libiio-utils 0.21 and confirmed compiling a minimal version of libiio v1 from the main branch compiled today at 1af94f2 (still running it on Debian oldstable).
What happens is that if I run
iio_info -S
I get the logs flooded with messages like:even if the output of the command looks good.
Due to the udev rule defined in this file, https://github.com/analogdevicesinc/libiio/blob/d397c403d684b786444e2d1b8b5f28155fcc45a8/libiio.rules.cmakein, the flooding starts at each boot, with a pace of thousands of identical error messages per second, quickly filling the SD card memory.
In this case, the error message looks like this:
and the error refers to this line:
https://github.com/torvalds/linux/blob/41bccc98fb7931d63d03f326a746ac4d429c1dd3/drivers/usb/musb/musb_host.c#L2527-L2530
No idea if this is a bug on the MUSB driver side or on the
iio_info -S
side.If you guide me, I can run more tests. Up to now, what I did was:
clone this repository, build with
The text was updated successfully, but these errors were encountered: