Re: [patch] suspend debugging: simulate suspend-to-RAM

2007-01-31 Thread Andi Kleen
On Wednesday 31 January 2007 10:12, Ingo Molnar wrote: > > * Andi Kleen <[EMAIL PROTECTED]> wrote: > > > Andrey Borzenkov <[EMAIL PROTECTED]> writes: > > > > > Will it work with netconsole too? COM port is often missing in notebooks > > > today. > > > > It will work with some luck with firescop

Re: [patch] suspend debugging: simulate suspend-to-RAM

2007-01-31 Thread Ingo Molnar
* Andi Kleen <[EMAIL PROTECTED]> wrote: > Andrey Borzenkov <[EMAIL PROTECTED]> writes: > > > Will it work with netconsole too? COM port is often missing in notebooks > > today. > > It will work with some luck with firescope (in the worst case you > might need to disable suspend in ochi1394). Ma

Re: [patch] suspend debugging: simulate suspend-to-RAM

2007-01-30 Thread Andi Kleen
Andrey Borzenkov <[EMAIL PROTECTED]> writes: > Will it work with netconsole too? COM port is often missing in notebooks > today. It will work with some luck with firescope (in the worst case you might need to disable suspend in ochi1394). Many laptops have firewire ports. ftp://ftp.firstfloor.or

Re: [patch] suspend debugging: simulate suspend-to-RAM

2007-01-25 Thread Rafael J. Wysocki
On Thursday, 25 January 2007 22:26, Matt Mackall wrote: > On Thu, Jan 25, 2007 at 09:03:22PM +0300, Andrey Borzenkov wrote: > > Ingo Molnar wrote: > > > Make debugging such bugs easier by offering a resume mode that does not > > > actually call into the BIOS to turn off the machine. This, in > > >

Re: [patch] suspend debugging: simulate suspend-to-RAM

2007-01-25 Thread Matt Mackall
On Thu, Jan 25, 2007 at 09:03:22PM +0300, Andrey Borzenkov wrote: > Ingo Molnar wrote: > > Make debugging such bugs easier by offering a resume mode that does not > > actually call into the BIOS to turn off the machine. This, in > > combination with earlyprintk=serial,ttyS0,115200,keep , > > CONFIG

Re: [patch] suspend debugging: simulate suspend-to-RAM

2007-01-25 Thread Andrey Borzenkov
Ingo Molnar wrote: > Make debugging such bugs easier by offering a resume mode that does not > actually call into the BIOS to turn off the machine. This, in > combination with earlyprintk=serial,ttyS0,115200,keep , > CONFIG_PM_DEBUG=y, CONFIG_DISABLE_CONSOLE_SUSPEND=y and > /sys/power/filter enable

Re: [patch] suspend debugging: simulate suspend-to-RAM

2007-01-25 Thread Pavel Machek
On Thu 2007-01-25 14:29:24, Rafael J. Wysocki wrote: > On Thursday, 25 January 2007 14:07, Pavel Machek wrote: > > Hi! > > > > > Subject: [patch] suspend debugging: simulate suspend-to-RAM > > > From: Ingo Molnar <[EMAIL PROTECTED]> > > > > &g

Re: [patch] suspend debugging: simulate suspend-to-RAM

2007-01-25 Thread Rafael J. Wysocki
On Thursday, 25 January 2007 14:07, Pavel Machek wrote: > Hi! > > > Subject: [patch] suspend debugging: simulate suspend-to-RAM > > From: Ingo Molnar <[EMAIL PROTECTED]> > > > > most resume bugs are due to the kernel hanging or crashing while trying &g

Re: [patch] suspend debugging: simulate suspend-to-RAM

2007-01-25 Thread Pavel Machek
Hi! > Subject: [patch] suspend debugging: simulate suspend-to-RAM > From: Ingo Molnar <[EMAIL PROTECTED]> > > most resume bugs are due to the kernel hanging or crashing while trying > to resume a specific device. It is extremely hard to debug such hangs > because oft

[patch] suspend debugging: simulate suspend-to-RAM

2007-01-25 Thread Ingo Molnar
Subject: [patch] suspend debugging: simulate suspend-to-RAM From: Ingo Molnar <[EMAIL PROTECTED]> most resume bugs are due to the kernel hanging or crashing while trying to resume a specific device. It is extremely hard to debug such hangs because often when the hang happens there's