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ASI 120MM no longer working together with EQMod

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Replied by Klaus on topic ASI 120MM no longer working

The cam has already been flashed (well, quite a while ago) and worked until some weeks ago. Yesterday I used it again and ... no image. I'll give a new flash a try. Perhaps the new SDK makes it necessary. Thanks.
5 years 7 months ago #29190

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Replied by Klaus on topic ASI 120MM no longer working

Reflashing didn't help. Does anyone has this cam working with up to date software installation?
5 years 7 months ago #29195

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Replied by Klaus on topic ASI 120MM no longer working

Well, things become more complicate. When I use the ASI together with mount simulator the cam works correctly! If I use the cam together with EQMod I get no image as the cam loops forever. Any ideas?
5 years 7 months ago #29196

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Replied by Thomas Stibor on topic ASI 120MM no longer working

I have the ASI130mm USB 2.0 which makes the same trouble as the 120mm USB 2.0.
I did also flash the compatibility firmware. However, except that the warning in the Kernel message buffer disappeared, nothing substantially
really changed. Since some Linux Kernel Version >= 3.0 the camera just makes trouble. Before it actually worked.

What works so far (for me) is: Exposure >= 1.5 sec and 8 bit. Whenever the exposure < 1.5 sec or in 16 bit, I am getting the errors.
5 years 7 months ago #29199

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Replied by Klaus on topic ASI 120MM no longer working together with EQMod

Attached a new log with ASI and EQMod. Hope it helps.

@Copello

AFAIK, Linux kernel version 4.x or newer need devices which comply 100% to the USB standards. Older linux kernels were a bit more sloppy in this regard. These old ZWO cams are somewhat incompatible now so that RAW16 does not work most of the times but RAW8 does.
5 years 7 months ago #29201
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Replied by Jose Corazon on topic ASI 120MM no longer working


Remember to flash it with the xxx-compatible.icc version. The other one (without the -compatible in the filename) will not work.
5 years 7 months ago #29202

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Replied by Thomas Stibor on topic ASI 120MM no longer working together with EQMod

Yes indeed the latest Kernels need devices which comply 100% to the USB standards. Have tried exp time > 1.5sec.
I wrote a simple command line tool ( github.com/tstibor/asic ) to control mono ASI cams and to understand the timing problems they have with detailed debug details.
You can use that as an easy starting point to explore which parameter combination suppose to work
5 years 7 months ago #29203

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Replied by alacant on topic ASI 120MM no longer working

Hi. Working ok here with this firmware on Ubuntu 18.04 using the native zwo driver along with indi-eqmod via PHD2.
HTH
Last edit: 5 years 7 months ago by alacant.
5 years 7 months ago #29209

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Replied by Klaus on topic ASI 120MM no longer working together with EQMod

Thanks guys for your input. My first idea when facing the issue was that something is wrong with cam, but it turned out that the cam works correctly. It does not work when EQMod is up too. This means that somehow EQMod blocks indi_asi from downloading the image. So this is more an EQMod issue rather than an ASI issue.
5 years 7 months ago #29211

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Replied by Klaus on topic ASI 120MM no longer working together with EQMod

Today I switched from stable ppa to the nightly builds and run a quick check on a test machine. In this environment the cam gets images while EQMod being up too. This looks very promising and I'll take a closer look later in the day.
5 years 7 months ago #29249

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Replied by Andrew on topic ASI 120MM no longer working together with EQMod

I have not had a good experience with the ASI 120MM on Linux, even with compatibility firmware flashed to the camera. I can confirm it works better with exposures over 1s. But all too frequently I get corrupted image frames. I have even attempted a custom kernel with a modification to the USB driver core. I can not say if that works however because I have not resolved issues with installing the custom kernel.

If anybody is interested in attempting that here are the code changes to the file config.c found within the source files for USB core driver.
    j = maxpacket_maxes[usb_endpoint_type(&endpoint->desc)];
 
    if (maxp > j) {
-      dev_warn(ddev, "config %d interface %d altsetting %d endpoint 0x%X has invalid maxpacket %d, setting to %d\n",
+      dev_warn(ddev, "config %d interface %d altsetting %d endpoint 0x%X has invalid maxpacket %d, setting to %d",
           cfgno, inum, asnum, d->bEndpointAddress, maxp, j);
+      #if 0
       maxp = j;
       endpoint->desc.wMaxPacketSize = cpu_to_le16(i | maxp);
+      #endif
    }
 
    /*

Reference: bbs.astronomy-imaging-camera.com/viewtop...61fb0c61e9&start=10#
5 years 7 months ago #29255

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Replied by Wouter van Reeven on topic ASI 120MM no longer working together with EQMod

I have the same experience. The ASI120MC never really worked for me even with the compatibility firmware installed. I created custom kernels in exactly the same way and managed to install them but gave up in the end due to system instabilities. I purchased an ASI120MC-S (USB3) and that has worked flawlessly for nearly a year now.
5 years 7 months ago #29276

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