On 2017/02/28 00:30, Jonathan Gray wrote:
> On Mon, Feb 27, 2017 at 10:50:35AM +0000, Stuart Henderson wrote:
> > On 2017/02/27 21:37, Jonathan Gray wrote:
> > > On Mon, Feb 27, 2017 at 09:54:33AM +0000, Stuart Henderson wrote:
> > > > Using the current example (512-byte blocks):
> > > > 18874368 bytes transferred in 113.823 secs (165821 bytes/sec)
> > > >
> > > > Using bs=1m like we suggest in "Creating a bootable USB key using a
> > > > Un*x-like system":
> > > > 18874368 bytes transferred in 2.894 secs (6521502 bytes/sec)
> > > >
> > > > OK to change it?
> > >
> > > You've missed armv7 here. The concern is that conv=sync would need
> > > to be added in some cases unless the device is switched to a non-raw one.
> >
> > Ah - so in that case should conv=sync be added to m4.common as well?
> >
> > I've not run into any problems without conv=sync and I've written quite a
> > few SD cards/USB this way, but I was probably just lucky..
> >
>
> I suspect the miniroots you've used have all been created with a multiple
> of 1MB. I believe this came up in the context of dd'ing u-boot
> files where this wasn't the case.
>
> kettenis preferred switching to non-raw devices rather than using conv=sync
> for that.
>
So something like this? Or does it need a call to sync(8) as well
if we're not using the raw devices?
Index: m4.common
===================================================================
RCS file: /cvs/src/distrib/notes/m4.common,v
retrieving revision 1.123
diff -u -p -r1.123 m4.common
--- m4.common 18 Oct 2016 09:22:05 -0000 1.123
+++ m4.common 27 Feb 2017 20:15:00 -0000
@@ -949,7 +949,7 @@ define({:-OpenBSDXferUSBFromUNIX-:},
Next, use the dd(1) utility to copy the file to the USB storage device.
The command would likely be, under OpenBSD:
- dd if=miniroot{:--:}OSrev.fs of=/dev/rsdNc bs=1m
+ dd if=miniroot{:--:}OSrev.fs of=/dev/sdNc bs=1m
where N is the device number. You can find the correct device number
by checking dmesg(8) when inserting the media.
Index: arm64/prep
===================================================================
RCS file: /cvs/src/distrib/notes/arm64/prep,v
retrieving revision 1.4
diff -u -p -r1.4 prep
--- arm64/prep 27 Feb 2017 10:15:11 -0000 1.4
+++ arm64/prep 27 Feb 2017 20:15:00 -0000
@@ -26,7 +26,7 @@ Booting from an SD card:
Use the dd(1) utility to copy the miniroot to the hard drive.
The command would likely be, under OpenBSD:
- dd if=miniroot{:--:}OSrev.fs of=/dev/rsd1c bs=1m
+ dd if=miniroot{:--:}OSrev.fs of=/dev/sd1c bs=1m
When you have connected the serial to you computer, a command such
as "cu -l cuaU0 -s 115200" (assuming cuaU0 is your serial port device)
@@ -56,7 +56,7 @@ Install on systems without a supported m
To do so first install the u-boot-aarch64 and dtb packages. Write the
provided miniroot image to an SD card:
- dd if=miniroot{:--:}OSrev.fs of=/dev/rsdXc bs=1m
+ dd if=miniroot{:--:}OSrev.fs of=/dev/sdXc bs=1m
Add a board specific DTB file:
Index: armv7/prep
===================================================================
RCS file: /cvs/src/distrib/notes/armv7/prep,v
retrieving revision 1.12
diff -u -p -r1.12 prep
--- armv7/prep 19 Jan 2017 06:22:56 -0000 1.12
+++ armv7/prep 27 Feb 2017 20:15:00 -0000
@@ -26,7 +26,7 @@ Booting from an SD card:
Use the dd(1) utility to copy the miniroot to the hard drive.
The command would likely be, under OpenBSD:
- dd if=miniroot-beagle-{:--:}OSrev.fs of=/dev/rsd1c
+ dd if=miniroot-beagle-{:--:}OSrev.fs of=/dev/sd1c bs=1m
When you have connected the BeagleBoard to you computer, a command such
as "cu -l cuaU0 -s 115200" (assuming cuaU0 is your serial port device)
@@ -61,7 +61,7 @@ Install on systems without a supported m
To do so first install the u-boot-arm and dtb packages. Write one of the
provided miniroot images to an SD card:
- dd if=miniroot-beagle-{:--:}OSrev.fs of=/dev/rsdXc
+ dd if=miniroot-beagle-{:--:}OSrev.fs of=/dev/sdXc bs=1m
Add a board specific DTB file:
Index: octeon/prep
===================================================================
RCS file: /cvs/src/distrib/notes/octeon/prep,v
retrieving revision 1.5
diff -u -p -r1.5 prep
--- octeon/prep 2 Aug 2015 09:54:29 -0000 1.5
+++ octeon/prep 27 Feb 2017 20:15:00 -0000
@@ -24,7 +24,7 @@ Booting from a CF card or USB:
Use the dd(1) utility to copy the miniroot to the hard drive.
The command would likely be, under OpenBSD:
- dd if=miniroot{:--:}OSrev.fs of=/dev/rsd1c
+ dd if=miniroot{:--:}OSrev.fs of=/dev/sd1c bs=1m
Now load the ramdisk kernel using either of the following commands depending
on the medium used. For USB:
Index: socppc/prep
===================================================================
RCS file: /cvs/src/distrib/notes/socppc/prep,v
retrieving revision 1.11
diff -u -p -r1.11 prep
--- socppc/prep 28 Feb 2014 00:47:14 -0000 1.11
+++ socppc/prep 27 Feb 2017 20:15:00 -0000
@@ -162,8 +162,8 @@ RouterBOARD RB600A setup:
Use the dd(1) utility to copy the miniroot to CompactFlash.
The command would likely be, under OpenBSD:
- dd if=miniroot{:--:}OSrev.fs of=/dev/rsd1c
- Replace ``rsd1c'' with the appropriate device name for the raw device
+ dd if=miniroot{:--:}OSrev.fs of=/dev/sd1c bs=1m
+ Replace ``sd1c'' with the appropriate device name for the device
on the system used to do the copy.
You will need to configure your RouterBOARD to boot from CompactFlash.
