All of lore.kernel.org
 help / color / mirror / Atom feed
From: "Luck, Tony" <tony.luck@intel.com>
To: bob_zhang2004 <bob_zhang2004@tom.com>,
	"Brown, Len" <len.brown@intel.com>
Cc: linux-ia64 <linux-ia64@vger.kernel.org>,
	linux-acpi <linux-acpi@vger.kernel.org>
Subject: RE: [bug report ] hp's rx2860 (kernel is 2.6.27.19-5 in sles11 ia64) power off failrue when "shutdown -h 0" .
Date: Thu, 24 Jun 2010 10:11:46 -0700	[thread overview]
Message-ID: <987664A83D2D224EAE907B061CE93D530144D3F2C2@orsmsx505.amr.corp.intel.com> (raw)
In-Reply-To: <201006242333018701088@tom.com>

> 4,  when I am debugging "acpi_enter_sleep_state()" , I found that this is > a tough task because after somewhat, I can't use printk() again .
> so I can't trace them defintely , do you have some better solution ???? 

Perhaps you could use the early_console code (you'd have to add some code
to switch back to it). Take a look at Documentation/ia64/serial.txt. That
code just pushes bytes out the serial port with very few dependencies, so
it ought to keep working till very late during shutdown sequence.

-Tony

WARNING: multiple messages have this Message-ID (diff)
From: "Luck, Tony" <tony.luck@intel.com>
To: bob_zhang2004 <bob_zhang2004@tom.com>,
	"Brown, Len" <len.brown@intel.com>
Cc: linux-ia64 <linux-ia64@vger.kernel.org>,
	linux-acpi <linux-acpi@vger.kernel.org>
Subject: RE: [bug report ] hp's rx2860 (kernel is 2.6.27.19-5 in sles11
Date: Thu, 24 Jun 2010 17:11:46 +0000	[thread overview]
Message-ID: <987664A83D2D224EAE907B061CE93D530144D3F2C2@orsmsx505.amr.corp.intel.com> (raw)
In-Reply-To: <201006242333018701088@tom.com>

> 4,  when I am debugging "acpi_enter_sleep_state()" , I found that this is > a tough task because after somewhat, I can't use printk() again .
> so I can't trace them defintely , do you have some better solution ???? 

Perhaps you could use the early_console code (you'd have to add some code
to switch back to it). Take a look at Documentation/ia64/serial.txt. That
code just pushes bytes out the serial port with very few dependencies, so
it ought to keep working till very late during shutdown sequence.

-Tony

  reply	other threads:[~2010-06-24 17:11 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-06-24 15:33 [bug report ] hp's rx2860 (kernel is 2.6.27.19-5 in sles11 ia64) power off failrue when "shutdown -h 0" bob_zhang2004
2010-06-24 15:33 ` [bug report ] hp's rx2860 (kernel is 2.6.27.19-5 in sles11 ia64) power off failrue when "shutdown -h bob_zhang2004
2010-06-24 17:11 ` Luck, Tony [this message]
2010-06-24 17:11   ` [bug report ] hp's rx2860 (kernel is 2.6.27.19-5 in sles11 Luck, Tony
2010-06-24 22:08 ` [bug report ] hp's rx2860 (kernel is 2.6.27.19-5 in sles11 ia64) power off failrue when "shutdown -h 0" Tony Luck
2010-06-24 22:08   ` [bug report ] hp's rx2860 (kernel is 2.6.27.19-5 in sles11 ia64) Tony Luck
2010-06-25  2:39   ` Re: [bug report ] hp's rx2860 (kernel is 2.6.27.19-5 in sles11 ia64)power off failrue when "shutdown -h 0" bob_zhang2004
2010-06-25 14:11   ` bob_zhang2004
2010-06-25 14:11     ` Re: [bug report ] hp's rx2860 (kernel is 2.6.27.19-5 in sles11 ia64)power off failrue when "shut bob_zhang2004
2010-06-29 14:30   ` [bug report ] hp's rx2860 (kernel is 2.6.27.19-5 in sles11 ia64) power off failrue when "shutdown -h 0" Bob Zhang
2010-06-29 14:30     ` [bug report ] hp's rx2860 (kernel is 2.6.27.19-5 in sles11 ia64) Bob Zhang
2010-06-25  6:43 ` Re: [bug report ] hp's rx2860 (kernel is 2.6.27.19-5 in sles11 ia64)power off failrue when "shutdown -h 0" bob_zhang2004
2010-06-25  6:43   ` Re: [bug report ] hp's rx2860 (kernel is 2.6.27.19-5 in sles11 ia64)power off failrue when "shut bob_zhang2004

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=987664A83D2D224EAE907B061CE93D530144D3F2C2@orsmsx505.amr.corp.intel.com \
    --to=tony.luck@intel.com \
    --cc=bob_zhang2004@tom.com \
    --cc=len.brown@intel.com \
    --cc=linux-acpi@vger.kernel.org \
    --cc=linux-ia64@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.