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Date: Mon, 21 Mar 2005 16:03:06 -0800
From: Andrew Morton <akpm@osdl.org>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: linux-kernel@vger.kernel.org, Pavel Machek <pavel@ucw.cz>
Subject: Re: 2.6.12-rc1-mm1: Kernel BUG at pci:389
Message-Id: <20050321160306.2f7221ec.akpm@osdl.org>
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"Rafael J. Wysocki" <rjw@sisk.pl> wrote:
>
> Hi,
> 
> On Monday, 21 of March 2005 11:51, you wrote:
> > 
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.12-rc1/2.6.12-rc1-mm1/
> 
> I get the following BUG every time I try to suspend my box to disk.

Pavel, that's the BUG() in pci_choose_state().  I did have some
reject-fixing to do on that wrt a change in Greg's tree, so maybe there was
some incompatible intent in there.

I dunno why pci_choose_state() is saying that it received PCI_D1, when
prepare_devices() is passing down PMSG_FREEZE?



> Greets,
> Rafael
> 
> 
> Stopping tasks: ===================================================================|
> Freeing memory... done (66711 pages freed)
> They asked me for state 1
> ----------- [cut here ] --------- [please bite here ] ---------
> Kernel BUG at pci:389
> invalid operand: 0000 [1]
> CPU 0
> Modules linked in: usbserial parport_pc lp parport thermal processor fan button battery ac soundcore snd_page_alloc ipt_TOS ipt_LOG ipt_limit v
> Pid: 9141, comm: do_acpi_sleep Not tainted 2.6.12-rc1-mm1
> RIP: 0010:[<ffffffff80283a70>] <ffffffff80283a70>{pci_choose_state+96}
> RSP: 0000:ffff810020fbfd78  EFLAGS: 00010292
> RAX: 000000000000001d RBX: 0000000000000001 RCX: 0000000000000000
> RDX: 0000000000000000 RSI: 00000000000044e0 RDI: ffffffff8041d140
> RBP: ffff81002fc151c0 R08: 0000000000000000 R09: ffff81002a535c48
> R10: 00000000ffffffff R11: 0000000000000000 R12: ffff81002fc151c0
> R13: 0000000000000003 R14: 0000000000000000 R15: 0000000000000080
> FS:  00002aaaab28b800(0000) GS:ffffffff8055c840(0000) knlGS:0000000000000000
> CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> CR2: 00002aaaaaac2000 CR3: 000000001dd8a000 CR4: 00000000000006e0
> Process do_acpi_sleep (pid: 9141, threadinfo ffff810020fbe000, task ffff810020d527e0)
> Stack: ffff81002c349628 0000000000000000 ffff81002c349628 ffffffff8032218a
>        ffff81002fc149a8 0000000000000000 ffff81002fc15230 0000000000000000
>        ffffffff8048f680 0000000000000003
> Call Trace:<ffffffff8032218a>{usb_hcd_pci_suspend+74} <ffffffff8028519e>{pci_device_suspend+30}
>        <ffffffff802ee3d2>{suspend_device+50} <ffffffff802ee4f1>{device_suspend+129}
>        <ffffffff80166ceb>{prepare_devices+11} <ffffffff80167095>{pm_suspend_disk+21}
>        <ffffffff80164206>{enter_state+70} <ffffffff8016442d>{state_store+109}
>        <ffffffff801f275f>{subsys_attr_store+31} <ffffffff801f2c1c>{sysfs_write_file+204}
>        <ffffffff8019c6c9>{vfs_write+233} <ffffffff8019c863>{sys_write+83}
>        <ffffffff8010f092>{system_call+126}
> 
> Code: 0f 0b 7a 3e 3e 80 ff ff ff ff 85 01 31 d2 66 90 48 8b 5c 24
> RIP <ffffffff80283a70>{pci_choose_state+96} RSP <ffff810020fbfd78>
> 
> 
> 
> -- 
> - Would you tell me, please, which way I ought to go from here?
> - That depends a good deal on where you want to get to.
> 		-- Lewis Carroll "Alice's Adventures in Wonderland"
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