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From: Michael Frank <mflt1@micrologica.com.hk>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
       hugang <hugang@soulinfo.com>
Subject: Re: IDE Power Management (Was: software suspend in 2.5.70-mm3)
Date: Wed, 4 Jun 2003 21:51:09 +0800
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Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>,
       Pavel Machek <pavel@ucw.cz>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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Patch 2.5.70-mm3 and  compile with gcc295 OK

Bare multisuer with serial console, 
no modules, network, usb, acpi .....

During suspend, after a while (some dots on the console)  
got the output below in an endless loop

Is there any debug or progress output in this version
and how to use?

Regards
Michael

Call Trace:
 [<c011d958>] schedule+0x40/0x388
 [<c011eb02>] io_schedule+0xe/0x18
 [<c01384d5>] wait_on_page_bit_wq+0xc9/0xe4
 [<c011f320>] autoremove_wake_function+0x0/0x3c
 [<c011f320>] autoremove_wake_function+0x0/0x3c
 [<c01384fa>] wait_on_page_bit+0xa/0x10
 [<c014cc34>] rw_swap_page_sync+0x98/0xc6
 [<c0136afd>] write_suspend_image+0xf1/0x324
 [<c0246bdf>] device_resume+0x7f/0x88
 [<c01370e1>] drivers_unsuspend+0x11/0x18
 [<c013735e>] suspend_save_image+0x12/0x1c
 [<c013753f>] do_magic_suspend_2+0x17/0xa8
 [<c011ba9d>] do_magic+0x4d/0x130
 [<c013763b>] do_software_suspend+0x6b/0x90
 [<c0137695>] software_suspend+0x35/0x3c
 [<c012ba97>] sys_reboot+0x2df/0x36c
 [<c0143830>] unmap_page_range+0x38/0x5c
 [<c0143959>] unmap_vmas+0x105/0x208
 [<c01656e4>] dput+0x1c/0x204
 [<c01656e4>] dput+0x1c/0x204
 [<c015d367>] path_release+0xf/0x30
 [<c014fe69>] sys_chdir+0x5d/0x68
 [<c010af17>] syscall_call+0x7/0xb

-- 
Powered by linux-2.5.70-mm3
My current linux related activities in rough order of priority:
- Testing of 2.4/2.5 kernel interactivity
- Testing of Swsusp for 2.4
- Testing of Opera 7.11 emphasizing interactivity
- Research of NFS i/o errors during transfer 2.4>2.5
- Learning 2.5 series kernel debugging with kgdb
- Studying 2.5 series serial and ide drivers, ACPI, S3
* Input and feedback is always welcome *

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