From: Cygwin on behalf of Brian Inglis
Sent: 23 June 2020 8:33 PM
To: cygwin@cygwin.com
Subject: Re: [cygwin] DD bug fails to wipe last 48 sectors of a disk
I don't have the facilities to test, and there appear to be *NO* Windows
documentation details on error
From: Hashim Aziz
Sent: 19 June 2020 7:19 PM
To: cygwin
Subject: DD bug fails to wipe last 48 sectors of a disk
I first came across this bug last year, and wrote up my findings in a detailed
answer to the StackExchange network:
https://superuser.com
wiped.
From: Andrey Repin
Sent: 24 June 2020 11:21 AM
To: Hashim Aziz ; cygwin@cygwin.com
Subject: Re: [cygwin] DD bug fails to wipe last 48 sectors of a disk
Greetings, Hashim Aziz!
Bottom posting in this channel, please.
> I've just tested with the command:
> dd if=/dev/
g fails to wipe last 48 sectors of a disk
Do you get the same behavior when you run dd with iflag=fullblock? Without
that flag, it's possible dd's input to read a smaller block than requested
(which would correspond with a smaller write to the output).
On Tue, Jun 23, 2020 at 9:28 AM Hash
liot Moss
Sent: 20 June 2020 9:26 PM
To: The Cygwin Mailing List
Subject: Re: [cygwin] DD bug fails to wipe last 48 sectors of a disk
On 6/20/2020 1:31 PM, Hashim Aziz via Cygwin wrote:
> To reproduce simply run the following command on a drive (obviously, this
> will irreversibly wipe all
slightly
different way - irrespective of the disk or block size, it fails to wipe the
last 176 sectors of the drive.
Hashim
From: Jason Pyeron
Sent: 19 June 2020 9:25 PM
To: 'Hashim Aziz'
Subject: RE: [cygwin] DD bug fails to wipe last 48 sectors
I first came across this bug last year, and wrote up my findings in a detailed
answer to the StackExchange network:
https://superuser.com/questions/1505715/why-does-dd-give-me-an-error-at-the-end-of-zero-writing-a-disk
I didn’t then have the time to report it to this mailing list, but have just
Vinschen
Sent: Tuesday, March 03, 2020 4:46 PM
To: cygwin@cygwin.com
Subject: Re: cat /proc/partitions shows only devices, not partitions
On Mar 3 16:32, Hashim Aziz wrote:
> Yes, this was what I expected you meant by elevated shell. I tried that
> earlier and got no luck (though I tried the l
, but what that
something could be I have no idea anymore.
From: Hashim Aziz
Sent: 03 March 2020 4:32 PM
To: cygwin@cygwin.com
Subject: Re: cat /proc/partitions shows only devices, not partitions
Yes, this was what I expected you meant by elevated shell. I tried
r' retained as Hashim
ownership of '/var' retained as Hashim
Whether the above output is normal or not I'm unsure.
From: Corinna Vinschen
Sent: Tuesday, March 03, 2020 10:44 AM
To: Hashim Aziz
Cc: cygwin@cygwin.com
Subject: Re: cat /proc/partitions sh
Hey Corinna, thanks for your quick reply.
Regarding the elevated shell - I'm unsure of exactly how to run an elevated
Cygwin shell?
I have attached the requested strace file.
Thanks,
Hashim
From: Corinna Vinschen
Sent: Monday, March 02, 2020 4:56 PM
To: Hashim
Hey Corinna, thanks for your quick reply.
Regarding the elevated shell - I'm unsure of exactly how to run an elevated
Cygwin shell?
I have attached the requested strace file.
Thanks,
Hashim
From: Corinna Vinschen
Sent: Monday, March 02, 2020 4:56 PM
To: Hashim Az
This was an issue that I had previously in September of last year and sent the
issue to this mailing list ("win-mounts no longer displays anything when doing
"cat /proc/partitions") but the issue stopped occurring before I could get
around to diagnosing it. This issue has now re-occurred and thi
I've been using Cygwin loyally for almost 5 years now, and throughout that time
have found the win-mounts column invaluable to find a drive or USB's /dev/sdX
mapping, by doing cat /proc/partitions. I haven't run that command in a while,
however, and today I realised that this functionality no lo
I'm trying to follow the FFmpeg wiki's guide here to build FFmpeg from source
with the most superior codecs it can make use of, like libfdk-aac and libopus:
https://trac.ffmpeg.org/wiki/CompilationGuide/Ubuntu
I've sorted many of the dependencies to get it to work on Cygwin, and
thankfully I di
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