Re: [PATCH 00/14] Pramfs: Persistent and protected ram filesystem

2009-06-25 Thread Marco Stornelli
2009/6/24 Pavel Machek pa...@ucw.cz: On Wed 2009-06-24 19:38:37, Marco wrote: Pavel Machek wrote: On Mon 2009-06-22 14:50:01, Tim Bird wrote: Pavel Machek wrote: block of fast non-volatile RAM that need to access data on it using a standard filesytem interface. Turns a block of fast

Re: How the kernel printk works before do console_setup.

2009-06-25 Thread Johnny Hung
2009/6/25 Benjamin Herrenschmidt b...@kernel.crashing.org: Before the console is set up, the printk data is formatted and put into the kernel log buffer, but not sent to any console. Any messages printk'ed before that are buffered but do not appear.  When the console is initialized, then all

Re: How the kernel printk works before do console_setup.

2009-06-25 Thread Michael Ellerman
On Thu, 2009-06-25 at 14:27 +0800, Johnny Hung wrote: 2009/6/25 Benjamin Herrenschmidt b...@kernel.crashing.org: Before the console is set up, the printk data is formatted and put into the kernel log buffer, but not sent to any console. Any messages printk'ed before that are buffered but

Re: Status of bzip2 and lzma kernel compression for ARM?

2009-06-25 Thread Mike Rapoport
Hi Michael, Michael Opdenacker wrote: Hi Alain, I would like to test bzip2 and lzma compression on ARM. Would you mind telling me what the status of your patches on ARM is, now that the x86 and architecture independent code has been merged? Have you or has anyone already updated them

Re: Status of bzip2 and lzma kernel compression for ARM?

2009-06-25 Thread Florian Fainelli
Hi Michael, Mike Le Thursday 25 June 2009 10:56:45 Mike Rapoport, vous avez écrit : Hi Michael, Michael Opdenacker wrote: Hi Alain, I would like to test bzip2 and lzma compression on ARM. Would you mind telling me what the status of your patches on ARM is, now that the x86 and

Saving the kernel log accross boots

2009-06-25 Thread Martin Meuli
Hi All In case of a crash we would like to save the kernel log and retrieve it in the next boot. There are already several suggestions on how to do it on this and other lists. (Kernel crashing and log buffers: Robin Getz) Unfortunately we don't have extra SRAM to use for it. We need to do

Re: Status of bzip2 and lzma kernel compression for ARM?

2009-06-25 Thread Michael Opdenacker
On 06/25/2009 11:04 AM, Florian Fainelli wrote: Le Thursday 25 June 2009 10:56:45 Mike Rapoport, vous avez écrit : I'm not sure what exactly do you mean by test bzip2 and lzma compression on ARM, but if you refer to internal initramfs compression, I can tell that I've used lzma compression on

Re: Saving the kernel log accross boots

2009-06-25 Thread Wolfram Sang
Before digging any deeper I would like to know if someone as a better (more general) idea. Could you stuff the output into an MTD device? For that, see CONFIG_MTD_OOPS. Regards, Wolfram -- Pengutronix e.K. | Wolfram Sang| Industrial Linux

Re: Saving the kernel log accross boots

2009-06-25 Thread Marco
Martin Meuli wrote: Hi All In case of a crash we would like to save the kernel log and retrieve it in the next boot. There are already several suggestions on how to do it on this and other lists. (Kernel crashing and log buffers: Robin Getz) Unfortunately we don't have extra SRAM to use

Re: Status of bzip2 and lzma kernel compression for ARM?

2009-06-25 Thread Paul Mundt
On Thu, Jun 25, 2009 at 05:24:59PM +0200, Michael Opdenacker wrote: On 06/25/2009 11:04 AM, Florian Fainelli wrote: Le Thursday 25 June 2009 10:56:45 Mike Rapoport, vous avez ?crit : I'm not sure what exactly do you mean by test bzip2 and lzma compression on ARM, but if you refer to