linux-kernel - Re: [BUG] next-20080219 - ide oops while bootup at ide_device_add

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Date:	Wed, 20 Feb 2008 15:32:01 +0100
From:	Bartlomiej Zolnierkiewicz <bzolnier@...il.com>
To:	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>
Cc:	kernel list <linux-kernel@...r.kernel.org>,
	linux-ide@...r.kernel.org, sfr@...b.auug.org.au,
	Andy Whitcroft <apw@...dowen.org>
Subject: Re: [BUG] next-20080219 -  ide oops while bootup at ide_device_add_all ()


Hi,

On Wednesday 20 February 2008, Kamalesh Babulal wrote:
> Hi, 
> 
> The next-20080219 kernel oops while booting up on x86_64 box. This bug
> was fixed in the 2.6.24-git(s) with the patch posted at
> http://lkml.org/lkml/2008/2/11/350 
> 
> ide0 at 0x1f0-0x1f7,0x3f6 on irq 14
> BUG: unable to handle kernel paging request at ffffffff80a37b8d
> IP: [<ffffffff8039470a>] ide_device_add_all+0x1a5/0x517
> PGD 203067 PUD 207063 PMD 0 
> Oops: 0000 [1] SMP 
> last sysfs file: 
> CPU 1 
> Modules linked in:
> Pid: 1, comm: swapper Not tainted 2.6.25-rc2-autotest-next-20080219 #1
> RIP: 0010:[<ffffffff8039470a>]  [<ffffffff8039470a>] ide_device_add_all+0x1a5/0x517
> RSP: 0000:ffff8101e7125db0  EFLAGS: 00010206
> RAX: 00000000000a8000 RBX: 0000000000000009 RCX: 0000000000000009
> RDX: ffff8101e7125e60 RSI: 0000000000000000 RDI: ffff8101e7125e60
> RBP: 0000000000000000 R08: 0000000000000000 R09: ffff8101e68de870
> R10: 0000000000000177 R11: 0000000000000174 R12: ffffffff80990080
> R13: 0000000000000000 R14: 000000000000000a R15: 0000000000000000
> FS:  0000000000000000(0000) GS:ffff8101e710d740(0000) knlGS:0000000000000000
> CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
> CR2: ffffffff80a37b8d CR3: 0000000000201000 CR4: 00000000000006e0
> DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
> Process swapper (pid: 1, threadinfo ffff8101e7124000, task ffff8101e7123200)
> Stack:  ffff8101e7125e60 0000000000000009 00000000000001f0 ffffffff80990080
>  0000000000000001 000000000000000a 0000000000000000 ffffffff8088d725
>  0000000000000170 0000000000000171 0000000000000172 0000000000000173
> Call Trace:
>  [<ffffffff8088d725>] ide_generic_init+0x169/0x1d8
>  [<ffffffff808706f7>] kernel_init+0x17d/0x2e9
>  [<ffffffff8020cc78>] child_rip+0xa/0x12
>  [<ffffffff8087057a>] kernel_init+0x0/0x2e9
>  [<ffffffff8020cc6e>] child_rip+0x0/0x12
> 
> 
> Code: 49 ff c5 49 83 fe 0a 0f 85 97 fe ff ff 45 31 ed 48 8b 14 24 41 8a 44 15 00 3c ff 0f 84 4d 01 00 00 0f b6 c0 48 69 c0 00 0c 00 00 <80> b8 8d fb 98 80 0d 48 8d 98 80 f4 98 80 75 15 48 8b 80 88 f4 
> RIP  [<ffffffff8039470a>] ide_device_add_all+0x1a5/0x517
>  RSP <ffff8101e7125db0>
> CR2: ffffffff80a37b8d
> ---[ end trace 31f82065a26d65bf ]---
> Kernel panic - not syncing: Attempted to kill init!

This is fixed now (thanks to Johann Felix Soden).

http://marc.info/?l=linux-ide&m=120351576111554&w=2

[ actually this bug is a good thing because it is clear now that people
  are actively testing linux-next ;-) ]

Thanks,
Bart
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