linux-kernel - Re: 2.6.23-mm1 s390 driver problem

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Date:	Fri, 19 Oct 2007 11:16:16 +0200
From:	Cedric Le Goater <clg@...ibm.com>
To:	schwidefsky@...ibm.com
CC:	"Serge E. Hallyn" <serge@...lyn.com>,
	Christian Borntraeger <borntraeger@...ibm.com>,
	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org,
	cornelia.huck@...ibm.com, heiko.carstens@...ibm.com,
	sam@...nborg.org, Linux Containers <containers@...ts.osdl.org>
Subject: Re: 2.6.23-mm1 s390 driver problem 

Martin Schwidefsky wrote:
> On Thu, 2007-10-18 at 15:31 -0500, Serge E. Hallyn wrote:
>> Quoting Christian Borntraeger (borntraeger@...ibm.com):
>>> Am Donnerstag, 18. Oktober 2007 schrieb Serge E. Hallyn:
>>>> Sigh, well this turned out less informative than I'd liked.
>>>> After bisecting 2.6.23 to 2.6.23-mm1, I found that
>>>> git-s390.patch is the one breaking my s390 boot :(
>>>> (Frown bc it's a conglomeration of patches0
>>>>
>>>> Symptom is:
>>>> 	"Cannot open root device "dasdd2" or unknown-block(94,14)"
>>>> even though dasdd2 appeared to be found earlier in the boot.  I also
>>>> get
>>> Can you post the full console output from IPL to the unsuccessful end?
>> Yeah, sorry, appended below.
>>
>> I had thought that the line
>> 	sysctl table check failed: /sunrpc/transports .7249.14 Missing strategy
>> meant that the fix referenced in http://lkml.org/lkml/2007/10/11/48
>> would fix it, but it appeared to have no effect.
> 
> This is the vmlinux.lds.S problem. The cleanup patch from Sam Ravnborg
> moved the __initramfs_start and __initramfs_end symbols into
> the .init.ramfs section. This is in itself not a problem, but it
> surfaced a bug: there is no *(.init.initramfs), that needs to be
> *(init.ramfs). I corrected this in the upstream patch but 2.6.23-mm1 has
> the older one that still causes the "Cannot open root device". For
> 2.6.23-mm1 use the patch below.
> 

thanks martin, 

that helped going a little further in the boot process but we then have 
a network issue when bringing the network interface up :

Bringing up interface eth0:  ------------Ý cut here ¨------------ 
Kernel BUG at 0000000000000002 Ýverbose debug info unavailable¨ 
illegal operation: 0001 Ý#1¨ 
Modules linked in: 
CPU:    0    Not tainted 
Process ip (pid: 1167, task: 0000000001d46038, ksp: 00000000025efb28) 
Krnl PSW : 0704200180000000 0000000000000002 (0x2) 
           R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:0 CC:2 PM:0 EA:3 
Krnl GPRS: 0000000000000000 0000000000000000 000000000241f600 0000000001c8d
           00000000000086dd 0000000001eb6d70 0000000000000000 0000000001c8d
           0000000001eb6d40 00000000003abc28 0000000001eb6d00 00000000025ef
           000000000241f600 00000000003b6d18 00000000002b33d2 00000000025ef
Krnl Code:>0000000000000002: 0000               unknown 
           0000000000000004: 0000               unknown 
           0000000000000006: 0000               unknown 
           0000000000000008: 0000               unknown 
           000000000000000a: 0000               unknown 
           000000000000000c: 0000               unknown 
           000000000000000e: 0000               unknown 
           0000000000000010: 0000               unknown 
Call Trace: 
(Ý<00000000002b3352>¨ neigh_connected_output+0x76/0x138) 
 Ý<0000000000325402>¨ ip6_output2+0x2da/0x470 
 Ý<0000000000326ea6>¨ ip6_output+0x816/0x1064 
 Ý<0000000000338e46>¨ __ndisc_send+0x416/0x6a8 
 Ý<0000000000339330>¨ ndisc_send_rs+0x58/0x68 
 Ý<000000000032cbf4>¨ addrconf_dad_completed+0xbc/0x100 
 Ý<000000000032d2de>¨ addrconf_dad_start+0xa2/0x14c 
 Ý<000000000032d408>¨ addrconf_add_linklocal+0x80/0xa8 
 Ý<000000000032fa7e>¨ addrconf_notify+0x2de/0x8d4 
 Ý<0000000000383990>¨ notifier_call_chain+0x5c/0x98 
 Ý<0000000000063bca>¨ __raw_notifier_call_chain+0x26/0x34 
 Ý<0000000000063c06>¨ raw_notifier_call_chain+0x2e/0x3c 
 Ý<00000000002aa54c>¨ call_netdevice_notifiers+0x34/0x44 
 Ý<00000000002ad1aa>¨ dev_open+0x9e/0xe0 
 Ý<00000000002ad80a>¨ dev_change_flags+0x9e/0x1cc 
 Ý<0000000000302c74>¨ devinet_ioctl+0x650/0x73c 
 Ý<00000000003050ba>¨ inet_ioctl+0xde/0xf4 
 Ý<000000000029a8d0>¨ sock_ioctl+0x1cc/0x2dc 
 Ý<00000000000cb844>¨ do_ioctl+0xb8/0xcc 
 Ý<00000000000cb8f2>¨ vfs_ioctl+0x9a/0x3ec 
 Ý<00000000000cbc96>¨ sys_ioctl+0x52/0x7c 
 Ý<0000000000022484>¨ sysc_noemu+0x10/0x16 
 Ý<000002000010df12>¨ 0x2000010df12 

00000000002b3352 gives : include/linux/netdevice.h:819

C. 
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