is that a known issue?
SD Quickformat works,
but SD full format fails both by Windows format and by SDFormatter: in both cases the formatting stops after a few sectors
- SD SDFormatter format error.jpg (10.6 KiB) Viewed 2104 times
SD full format fails but not Quickformat
hello,
is that a known issue?
SD Quickformat works,
but SD full format fails both by Windows format and by SDFormatter: in both cases the formatting stops after a few sectors
is that a known issue?
SD Quickformat works,
but SD full format fails both by Windows format and by SDFormatter: in both cases the formatting stops after a few sectors
Last edited by davenull on Sat Apr 30, 2016 4:36 pm, edited 2 times in total.
#define S sqrt(t+2*i*i)<2
#define F(a,b) for(a=0;a<b;++a)
float x,y,r,i,s,j,t,n;int main(){F(y,64){F(x,99){r=i=t=0;s=x/33-2;j=y/32-1;F(n,50&S){t=r*r-i*i;i=2*r*i+j;r=t+s;}if(S){PointOut(x,y);}}}for(;;);}
#define F(a,b) for(a=0;a<b;++a)
float x,y,r,i,s,j,t,n;int main(){F(y,64){F(x,99){r=i=t=0;s=x/33-2;j=y/32-1;F(n,50&S){t=r*r-i*i;i=2*r*i+j;r=t+s;}if(S){PointOut(x,y);}}}for(;;);}
Re: SD full format fails but not Quickformat
the Windows format error screen shot:
ps,
it's a 32GB microSD (by Intenso)
- SD Windows format error.jpg (6.77 KiB) Viewed 2101 times
it's a 32GB microSD (by Intenso)
#define S sqrt(t+2*i*i)<2
#define F(a,b) for(a=0;a<b;++a)
float x,y,r,i,s,j,t,n;int main(){F(y,64){F(x,99){r=i=t=0;s=x/33-2;j=y/32-1;F(n,50&S){t=r*r-i*i;i=2*r*i+j;r=t+s;}if(S){PointOut(x,y);}}}for(;;);}
#define F(a,b) for(a=0;a<b;++a)
float x,y,r,i,s,j,t,n;int main(){F(y,64){F(x,99){r=i=t=0;s=x/33-2;j=y/32-1;F(n,50&S){t=r*r-i*i;i=2*r*i+j;r=t+s;}if(S){PointOut(x,y);}}}for(;;);}
Re: SD full format fails but not Quickformat
no explanations or even similar experiences? Why can the full format fail?
Anyway, a
chkdsk H: /F /R
shows no mistakes after Quick Format.
Does that mean that the SD card ist defective nevertheless?
Anyway, a
chkdsk H: /F /R
shows no mistakes after Quick Format.
Does that mean that the SD card ist defective nevertheless?
#define S sqrt(t+2*i*i)<2
#define F(a,b) for(a=0;a<b;++a)
float x,y,r,i,s,j,t,n;int main(){F(y,64){F(x,99){r=i=t=0;s=x/33-2;j=y/32-1;F(n,50&S){t=r*r-i*i;i=2*r*i+j;r=t+s;}if(S){PointOut(x,y);}}}for(;;);}
#define F(a,b) for(a=0;a<b;++a)
float x,y,r,i,s,j,t,n;int main(){F(y,64){F(x,99){r=i=t=0;s=x/33-2;j=y/32-1;F(n,50&S){t=r*r-i*i;i=2*r*i+j;r=t+s;}if(S){PointOut(x,y);}}}for(;;);}
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Re: SD full format fails but not Quickformat
1. Damaged SDCarddavenull wrote:no explanations or even similar experiences? Why can the full format fail?
2. Fake SDCard
3. Lifetime expired SDCard
4. USB reader that's incompatible with SDHC or SDXC
5. Software failure.
I've replaced the Win32DiskImager with the special version that includes RPi features from viewtopic.php?f=62&t=129848
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Criticising any questions is banned on this forum.
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Criticising any questions is banned on this forum.
Any DMs sent on Twitter will be answered next month.
All non-medical doctors are on my foes list.
Re: SD full format fails but not Quickformat
the USB SD reader was built-in into my Windows PC (5 years old), so I actually doubt that it's incompatible (CMIIW).
the card is new, and files can be stored on it, so it can't be completely damaged or a fake IMO.
Although the card is new, there may be some defective sectors on it, agreed - but why does chkdsk find nothing then?
(I'll try your new Win32DiskImager ASAP - and try formatting with it anew...)
the card is new, and files can be stored on it, so it can't be completely damaged or a fake IMO.
Although the card is new, there may be some defective sectors on it, agreed - but why does chkdsk find nothing then?
(I'll try your new Win32DiskImager ASAP - and try formatting with it anew...)
#define S sqrt(t+2*i*i)<2
#define F(a,b) for(a=0;a<b;++a)
float x,y,r,i,s,j,t,n;int main(){F(y,64){F(x,99){r=i=t=0;s=x/33-2;j=y/32-1;F(n,50&S){t=r*r-i*i;i=2*r*i+j;r=t+s;}if(S){PointOut(x,y);}}}for(;;);}
#define F(a,b) for(a=0;a<b;++a)
float x,y,r,i,s,j,t,n;int main(){F(y,64){F(x,99){r=i=t=0;s=x/33-2;j=y/32-1;F(n,50&S){t=r*r-i*i;i=2*r*i+j;r=t+s;}if(S){PointOut(x,y);}}}for(;;);}
Re: SD full format fails but not Quickformat
A lot of older rreaders cannot handle the newer SD cards.davenull wrote:the USB SD reader was built-in into my Windows PC (5 years old), so I actually doubt that it's incompatible (CMIIW).
SD cards are not just 'dumb' memory chips. There's a microcontroller in there that interfaces with the computer.the card is new, and files can be stored on it, so it can't be completely damaged or a fake IMO.
On fake cards they give out false information about the size. They will accept write commands and say it succeeded but the output has gone to /dev/null
The best way of finding out if the card is damaged / fake is to write to every byte using a unique pattern and then read it back.
For Windows you can use h2testw (http://www.heise.de/download/h2testw.html)
Re: SD full format fails but not Quickformat
I myself also mistrust inbuilt SD card readers.
Use f3probe for a quick test , H2testw or f3 are very slow
but very (too ?) thorough.
ghans
Use f3probe for a quick test , H2testw or f3 are very slow
but very (too ?) thorough.
ghans
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Re: SD full format fails but not Quickformat
ok, thank you, I will do so and report!
#define S sqrt(t+2*i*i)<2
#define F(a,b) for(a=0;a<b;++a)
float x,y,r,i,s,j,t,n;int main(){F(y,64){F(x,99){r=i=t=0;s=x/33-2;j=y/32-1;F(n,50&S){t=r*r-i*i;i=2*r*i+j;r=t+s;}if(S){PointOut(x,y);}}}for(;;);}
#define F(a,b) for(a=0;a<b;++a)
float x,y,r,i,s,j,t,n;int main(){F(y,64){F(x,99){r=i=t=0;s=x/33-2;j=y/32-1;F(n,50&S){t=r*r-i*i;i=2*r*i+j;r=t+s;}if(S){PointOut(x,y);}}}for(;;);}
Re: SD full format fails but not Quickformat
??error:
PiWin32diskImager could not be started because QT5core.dll is missing
what is this kind of file
??
Last edited by davenull on Sun May 01, 2016 11:40 am, edited 2 times in total.
#define S sqrt(t+2*i*i)<2
#define F(a,b) for(a=0;a<b;++a)
float x,y,r,i,s,j,t,n;int main(){F(y,64){F(x,99){r=i=t=0;s=x/33-2;j=y/32-1;F(n,50&S){t=r*r-i*i;i=2*r*i+j;r=t+s;}if(S){PointOut(x,y);}}}for(;;);}
#define F(a,b) for(a=0;a<b;++a)
float x,y,r,i,s,j,t,n;int main(){F(y,64){F(x,99){r=i=t=0;s=x/33-2;j=y/32-1;F(n,50&S){t=r*r-i*i;i=2*r*i+j;r=t+s;}if(S){PointOut(x,y);}}}for(;;);}
Re: SD full format fails but not Quickformat
H2testW:
now what does that mean or express?Fehler beim Schreiben der Datei 'H:\1.h2w', Offset 0x14e00000.
Bis hierher geschriebene Testdaten können trotzdem geprüft werden.
(Das System kann die angegebene Datei nicht finden. Code 2)
Schreibrate: 10,4 MByte/s
H2testw v1.4
#define S sqrt(t+2*i*i)<2
#define F(a,b) for(a=0;a<b;++a)
float x,y,r,i,s,j,t,n;int main(){F(y,64){F(x,99){r=i=t=0;s=x/33-2;j=y/32-1;F(n,50&S){t=r*r-i*i;i=2*r*i+j;r=t+s;}if(S){PointOut(x,y);}}}for(;;);}
#define F(a,b) for(a=0;a<b;++a)
float x,y,r,i,s,j,t,n;int main(){F(y,64){F(x,99){r=i=t=0;s=x/33-2;j=y/32-1;F(n,50&S){t=r*r-i*i;i=2*r*i+j;r=t+s;}if(S){PointOut(x,y);}}}for(;;);}
Re: SD full format fails but not Quickformat
It's a write errordavenull wrote:H2testW:now what does that mean or express?Fehler beim Schreiben der Datei 'H:\1.h2w', Offset 0x14e00000.
Bis hierher geschriebene Testdaten können trotzdem geprüft werden.
(Das System kann die angegebene Datei nicht finden. Code 2)
Schreibrate: 10,4 MByte/s
H2testw v1.4
This either means that you have a faulty SD card or there's a problem with the SD card reader.
Re: SD full format fails but not Quickformat
ok, I now tried another (older) 32GB SD card then with format and H2testW.
With this card I got also full format errors (Windows and SDFormatter),
and with H2testw I got a write error at another Offset.
Or SD reader defective?
With this card I got also full format errors (Windows and SDFormatter),
and with H2testw I got a write error at another Offset.
Now: both SD cards damaged?Fehler beim Schreiben der Datei 'H:\3.h2w', Offset 0x35100000.
Bis hierher geschriebene Testdaten können trotzdem geprüft werden.
(Das System kann die angegebene Datei nicht finden. Code 2)
Achtung: Nur 29651 von 29652 MByte getestet.
Schreibrate: 12,7 MByte/s
H2testw v1.4
Or SD reader defective?
#define S sqrt(t+2*i*i)<2
#define F(a,b) for(a=0;a<b;++a)
float x,y,r,i,s,j,t,n;int main(){F(y,64){F(x,99){r=i=t=0;s=x/33-2;j=y/32-1;F(n,50&S){t=r*r-i*i;i=2*r*i+j;r=t+s;}if(S){PointOut(x,y);}}}for(;;);}
#define F(a,b) for(a=0;a<b;++a)
float x,y,r,i,s,j,t,n;int main(){F(y,64){F(x,99){r=i=t=0;s=x/33-2;j=y/32-1;F(n,50&S){t=r*r-i*i;i=2*r*i+j;r=t+s;}if(S){PointOut(x,y);}}}for(;;);}
Re: SD full format fails but not Quickformat
Most likely a reader problem. Get a new USB reader.
Here in the UK we can get them at Poundland for... wait for it... £1
And I got one off ebay for 99p
Here in the UK we can get them at Poundland for... wait for it... £1
And I got one off ebay for 99p
Re: SD full format fails but not Quickformat
ok, I'll order a new one - from Euroland 
(I already ordered one shortly from Yuanland, but it's a long time for shipping here...
)
(I already ordered one shortly from Yuanland, but it's a long time for shipping here...
)#define S sqrt(t+2*i*i)<2
#define F(a,b) for(a=0;a<b;++a)
float x,y,r,i,s,j,t,n;int main(){F(y,64){F(x,99){r=i=t=0;s=x/33-2;j=y/32-1;F(n,50&S){t=r*r-i*i;i=2*r*i+j;r=t+s;}if(S){PointOut(x,y);}}}for(;;);}
#define F(a,b) for(a=0;a<b;++a)
float x,y,r,i,s,j,t,n;int main(){F(y,64){F(x,99){r=i=t=0;s=x/33-2;j=y/32-1;F(n,50&S){t=r*r-i*i;i=2*r*i+j;r=t+s;}if(S){PointOut(x,y);}}}for(;;);}