So I was copying a file (700MB) from a USB stick in AOS 4, wich is allways connected to the internet, while I was watching a video with DVPlayer. Suddenly it froze like it did for several people with update 4. This time I think the problem was caused by me copying a file from the USB stick.

Can someone confirm/test this? Downloading and listening to music seems to be solved and working now.

Also I really wish for the USB stack to support USB 2.0.

@hotrod

“Downloading and listening to music seems to be solved and working now.”

That depends on what hardware, its not software problem, so if you have an AmigaOne-SE you most turn off DMA, if you have AmigaONE-XE you most fix your IRQ lines (hardware fix) or by SIL360 or some thing, if you have MicroAmigaOne you don’t need to do anything.

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@hotrod

“This time I think the problem was caused by me copying a file from the USB stick.”

Well never did have any problems like that whit OS4 final, but did have some problems whit update 4.

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@NutsAboutAmiga

I've read of eth3com freeze on Micro as well.
Can anyone confirm that particular freeze?

#6

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@number6

Probably more like random IBrowse crash, good idea to use more then one web browser, or test the network connection whit FTP transfers, it might even be mad RAM modules.

Last edited by NutsAboutAmiga on 13-Jul-2007 at 08:23 PM.

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@NutsAboutAmiga

I mentioned this particular freeze, since it seems to fit the conditions Hotrod described.
Apparently rare and unpredictable and not tied to audio/internet, PS2 mouse or the others we have discussed in the past.

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@hotrod

I don't suppose you caught any debug or crash info on the serial port?

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@hotrod

I still have it. When I copy stuff to my MP3-player (USB) I get freezes a couple of times before I manage to fill that one GB. Luckily I don't seem to ever get any filesystem crash, but can continue to copy where it froze last time.

On average I get 4-5 freezes/GB transferred from my (unfixed) A1-XE over USB to some device. I use DirOpus4. Quite annoying since it takes a long time, but I can't leave it because it will lock up and require hard reboot every 5-10 minutes.

One thing should be added though: The lockups seem to happen a lot less frequent if the screen blanker engine (first black screen, then DPMS) is turned off!

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@Deniil715

I get freezes occasionally while copying to a USB flash drive, or a microSD card.

I've also found that setting the screenblanker to "Inactive" via Exchange helps.

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This XE with Final freezes too from reading SD-cards from a camera or a card-reader. The screen blanker might be one cause but it certainly is many times reliable (and clearer) with DiskMaster2-OS4 than from WB. Usually I have Visio open too to see what pics are copied if taking the card to a photolab. Strange, Thanks for DM! Usually I don't too anything else while copying as all would be lost and IB's cache messed up at worst.

@all

I was not using the screen blanker.

But I also had a fixed AmigaOne-XE, before broke down, now I most wait until the CPU modules arrives at it destination takes from 10-15 days; it has only been 5 days now.

Last edited by NutsAboutAmiga on 16-Jul-2007 at 02:36 PM.

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@hotrod

Quote:

So I was copying a file (700MB) from a USB stick in AOS 4, wich is allways connected to the internet, while I was watching a video with DVPlayer. Suddenly it froze like it did for several people with update 4. This time I think the problem was caused by me copying a file from the USB stick.

The USB stack, apart form the hardware, on OS4 is buggy. By plugging in a certain USB drive it can cause CPUDocky to crash instantly.

I believe it was also responsible for a system wide freeze tonight. About ten minutes eariler I had used my USB printer for printing, it was still plugged in. Later went to browse the web in IBrowse, all was fine until one point when the mouse pointer had froze, OS4 had frozen over.

I pulled the printer out. Hard rebooted. Then went back to browsing. All as fine, freeze never came back and yes, I went back to the exact same page I was on.

Before you mention "powered hubs" my printer has it's own power supply, doesn't that count then as an external powered USB device?

Last edited by Hypex on 16-Jul-2007 at 04:04 PM.

@NutsAboutAmiga

Quote:

That depends on what hardware, its not software problem, so if you have an AmigaOne-SE you most turn off DMA, if you have AmigaONE-XE you most fix your IRQ lines (hardware fix) or by SIL360 or some thing, if you have MicroAmigaOne you don't need to do anything.

Don't tell me there is something else wrong with the hardware on the AmigaOne board? The sooner we can replace this "AbominationOne" with more decent hardware the better. Sorry that was a bit harsh, but this thing has had so many problems that it is an insult to the original Amiga.

@Hypex

Quote:

Don't tell me there is something else wrong with the hardware on the AmigaOne board? The sooner we can replace this "AbominationOne" with more decent hardware the better. Sorry that was a bit harsh, but this thing has had so many problems that it is an insult to the original Amiga.

It certainly makes it difficult to diagnose problems when you're not sure if it is the hardware or the software!

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@Hypex

Quote:

The sooner we can replace this "AbominationOne" with more decent hardware the better. Sorry that was a bit harsh, but this thing has had so many problems that it is an insult to the original Amiga.

AFAIR the "original Amiga" was also not a perfect hardware.
Do you remember the ZorroIII DMA problems with the first Buster revisions
on the A3000? Do you remember the missing interrupt line on the A3k CPU
slot which had to be added/soldered by hand to be able to use a CPU board
with SCSI controller? Do you remember the A1200 PCMCIA bug? The A1200 video
bug (it flickered in some modes when the background was 100% white). The
A1200 floppy drive incompatibility? The incompatibilities of the A2000A model?

I dont say the AOne is extraordinary hardware, but before comparing it with
Amiga hardware dont forget to remember that the original Amiga hardware was
also not absolutely perfect. At least not all models.

@Hypex

Quote:

The USB stack, apart form the hardware, on OS4 is buggy. By plugging in a certain USB drive it can cause CPUDocky to crash instantly.

Of course its a bug in the USB stack and not in the docky or AmiDock,
and of course you already have send lots of crashlogs plus an exact
description of "a certain USB drive" to the USB stack authors?

@TetiSoft

Quote:

Do you remember the ZorroIII DMA problems with the first Buster revisionson the A3000?

I remember the initial Buster problem on the A4000s.

#6

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@Deniil715

Quote:

One thing should be added though: The lockups seem to happen a lot less frequent if the screen blanker engine (first black screen, then DPMS) is turned off!

I never had USB working reliable with my hardware but your observation seems
to match those from others. It was e.g. reported that USB runs out of sync
when something crashed and GrimReaper disables multitasking before it pops up.

On my A4k I'm wondering myself since lots of years why the modem transfer lights
during download/upload go off for a while when switching screens with P96.
That doesnt happen with CGFX. Maybe the P96 screen switching disables multitasking
for a too long perid of time so the USB drivers miss interrupts or signals
from their interrupt handlers to their tasks. The exec autodoc still says
"Disabling interrupts for more than ~250 microseconds will prevent vital
system functions (especially serial I/0) from operating in a normal fashion."

My USB mouse wants to be queried in an interrupt every 10 milliseconds.
An USB frame lasts 1 millisecond. It should not be much of a problem when
a frame is missed occasionaly, but I dont think missing dozends of frames
at once makes USB more stable. Yes, the bulk transfer method used by
USB massstorage drives doesnt guarantee delivery times, but the driver
WILL give up when a transfer failed often enough, it doesnt use unlimited
retries.

Test results from users about screen switching during USB transfer and from
experts about the maximum duration of Disable() (and also Forbid(), it doesnt
help when the interrupt can signal a task but the task is not scheduled)
are welcome...

@TetiSoft

Quote:

Test results from users about screen switching during USB transfer and fromexperts about the maximum duration of Disable() (and also Forbid(), it doesnthelp when the interrupt can signal a task but the task is not scheduled)are welcome...

DaveAE and I can certainly attest to missing/dropped IRQ from simply multitasking. In my case, merely pressing a key in FKEY programmed to cycle screens.

Edit (added): to be clear...NO USB in my case.

#6

Last edited by number6 on 16-Jul-2007 at 05:44 PM.

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@Hypex

Quote:

Don't tell me there is something else wrong with the hardware on the AmigaOne board? The sooner we can replace this "AbominationOne" with more decent hardware the better. Sorry that was a bit harsh, but this thing has had so many problems that it is an insult to the original Amiga.

I don’t really know if it's my AmigaOne or if its me how is to blame, because I know the CPU fan on AmigaOne was not best of best, yet I decided to set clock speed first at 933 that CPU supports but, CPU fan does not support that, so lowered it to 866 Mhz bit above the 800Mhz worked flawlessly for many years, maybe a warm day killed my CPU + some heavy GCC compiling of Basilisk 2, it might also be because of few kids playing whit it; they turn it on and off, a bit to often this might have triggered some power peeks on ATX input connector, maybe the AmigaOne is not well protected against this.

For now I’m hoping its the CPU, so I can upgrade it and replace the CPU fan, if not then I most send the bloody motherboard to France.

Yes I believe there big chance that any new Amiga hardware have less missing parts and wrong wired IRQ signals, hopefully they better tested as well before going in to production.

Last edited by NutsAboutAmiga on 16-Jul-2007 at 06:14 PM.

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