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Fred Weiser

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10/12/2017

12:57 PM ARM9 Based Platforms PCB Development: MightyDspL138 Factory Test and labeling
Hello -
When tested at the factory, is a "bit scan" of some sort done to determine that all the connections betwee...

07/11/2016

05:06 PM ARM9 Based Platforms Software Development: RE: L138 dsplink problem - schedule while atomic bug
I looked deeper into the error we were provoking on our bench; it turned out to be a c++ vector de-referencing error ...

07/09/2016

12:11 PM ARM9 Based Platforms Software Development: RE: L138 dsplink problem - schedule while atomic bug
The error collected above was on the bench after making some minor software changes seemingly unrelated with the code...
11:23 AM ARM9 Based Platforms Software Development: RE: L138 dsplink problem - schedule while atomic bug
I found the following on the TI site; looks like they struggled with this issue with sys-link... I'm not sure how sys...

07/08/2016

11:55 AM ARM9 Based Platforms Software Development: L138 dsplink problem - schedule while atomic bug
I think there may be a bug in the dsplink kernel code that causes the scheduler to run after a call to spinlock. "rem...

06/17/2016

08:25 AM ARM9 Based Platforms Software Development: RE: Flashing a new kernel to NOR from Linux rather than u-boot
Here are the results from my board/MDK:...

06/16/2016

05:26 PM ARM9 Based Platforms Software Development: Flashing a new kernel to NOR from Linux rather than u-boot
We use opkg to push updates to our products that are installed in the field. We now need a way to update the kernel, ...

06/13/2016

04:28 PM ARM9 Based Platforms Software Development: RE: JFFS2 "scheduling while atomic" problem with L138 running linux kernel 3.2
Ah, yes, so this is indeed the problem; the code you show above is _before_ the fix. The issue is mutex_lock cannot f...
10:18 AM ARM9 Based Platforms Software Development: JFFS2 "scheduling while atomic" problem with L138 running linux kernel 3.2
I have been getting a lot of "scheduling while atomic" messages seemingly centered around JFFS2:
@Jun 12 12:08:37 ...

02/09/2016

09:05 AM ARM9 Based Platforms Software Development: Downloading files from Redmine (using Linux console app)
Is there a favored method for downloading files from the Critical Link Redmine site using a Linux console app? My sof...

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