linux-kernel - Re: sysfs: duplicate filename '74' can not be created

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Message-ID: <Pine.LNX.4.64.0803130724330.6778@diagnostix.dwd.de>
Date:	Thu, 13 Mar 2008 07:33:16 +0000 (GMT)
From:	Holger Kiehl <Holger.Kiehl@....de>
To:	Alexey Dobriyan <adobriyan@...ru>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>,
	dhaval@...ux.vnet.ibm.com, vatsa@...ux.vnet.ibm.com, mingo@...e.hu,
	Greg KH <gregkh@...e.de>
Subject: Re: sysfs: duplicate filename '74' can not be created

On Fri, 7 Mar 2008, Holger Kiehl wrote:

> On Fri, 7 Mar 2008, Holger Kiehl wrote:
>
>> On Tue, 4 Mar 2008, Alexey Dobriyan wrote:
>> 
>>> You can try this debugging patch. Post several first consecutive messages.
>>> [crosses fingers]
>>> 
>> Applied the patch and this time it oopsed immediatly. I just got one:
>>
>>   Mar  7 07:09:04 helena kernel: general protection fault: 0000 [1] SMP
>>   Mar  7 07:09:04 helena kernel: CPU 3
>>   Mar  7 07:09:04 helena kernel: Modules linked in: lm85 hwmon_vid 
>> i2c_amd756_s4882 bonding nf_conntrack_ftp nf_conntrack_netbios_ns 
>> ipt_REJECT nf_conntrack_ipv4 xt_state nf_conntrack xt_tcpudp iptable_filter 
>> ip_tables x_tables binfmt_misc video output ac floppy nvram ohci_hcd k8temp 
>> i2c_amd756 i2c_core button usbcore
>>   Mar  7 07:09:04 helena kernel: Pid: 2983, comm: modprobe Not tainted 
>> 2.6.24.3-alexey #3
>>   Mar  7 07:09:04 helena kernel: RIP: 0010:[<ffffffff8027931d>] 
>> [<ffffffff8027931d>] __kmalloc_node+0x95/0xc9
>>   Mar  7 07:09:04 helena kernel: RSP: 0018:ffff81017d571de8  EFLAGS: 
>> 00010046
>>   Mar  7 07:09:04 helena kernel: RAX: 0000000000000000 RBX: 
>> 00000000000080d0 RCX: ffffffff8026d2b1
>>   Mar  7 07:09:04 helena kernel: RDX: ffff007265776f70 RSI: 
>> 00000000000080d0 RDI: ffffffff80554e38
>>   Mar  7 07:09:04 helena kernel: RBP: ffff810200026800 R08: 
>> 00000000005184b0 R09: ffffffff80554e38
>>   Mar  7 07:09:04 helena kernel: R10: 0000000000000000 R11: 
>> 0000000000000002 R12: 0000000000000286
>>   Mar  7 07:09:04 helena kernel: R13: 00000000ffffffff R14: 
>> 00000000ffffffff R15: 00000000005184b0
>>   Mar  7 07:09:04 helena kernel: FS:  00002b66d114c6f0(0000) 
>> GS:ffff81027e30e300(0000) knlGS:0000000000000000
>>   Mar  7 07:09:04 helena kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 
>> 000000008005003b
>>   Mar  7 07:09:04 helena kernel: CR2: 0000003254acc030 CR3: 
>> 000000017d530000 CR4: 00000000000006e0
>>   Mar  7 07:09:04 helena kernel: DR0: 0000000000000000 DR1: 
>> 0000000000000000 DR2: 0000000000000000
>>   Mar  7 07:09:04 helena kernel: DR3: 0000000000000000 DR6: 
>> 00000000ffff0ff0 DR7: 0000000000000400
>>   Mar  7 07:09:04 helena kernel: Process modprobe (pid: 2983, threadinfo 
>> ffff81017d570000, task ffff81017df3d5c0)
>>   Mar  7 07:09:04 helena kernel: Stack:  ffff81027d2fb740 ffffc200017e39a8 
>> ffff81027d2fba00 00000000000000d0
>>   Mar  7 07:09:04 helena kernel:  ffffc200017e33e8 ffffffff8026d2b1 
>> 0000000000000163 ffffc200017e39a8
>>   Mar  7 07:09:04 helena kernel:  0000000000000018 ffffc200017e39a8 
>> 0000000000000018 ffffc200017e2f80
>>   Mar  7 07:09:04 helena kernel: Call Trace:
>>   Mar  7 07:09:04 helena kernel:  [<ffffffff8026d2b1>] 
>> __vmalloc_area_node+0x71/0x185
>>   Mar  7 07:09:04 helena kernel:  [<ffffffff80248ec0>] 
>> sys_init_module+0x94d/0x1872
>>   Mar  7 07:09:04 helena kernel:  [<ffffffff8020b61e>] 
>> system_call+0x7e/0x83
>>   Mar  7 07:09:04 helena kernel:
>>   Mar  7 07:09:04 helena kernel:
>>   Mar  7 07:09:04 helena kernel: Code: 48 8b 04 c2 48 89 45 00 41 54 9d 31 
>> c0 c1 eb 0f 48 85 d2 0f
>>   Mar  7 07:09:04 helena kernel: RIP  [<ffffffff8027931d>] 
>> __kmalloc_node+0x95/0xc9
>>   Mar  7 07:09:04 helena kernel:  RSP <ffff81017d571de8>
>>   Mar  7 07:09:04 helena kernel: ---[ end trace 82b7eaeeb11c3ab5 ]---
>> 
> This could maybe be not what you are looking for. It oopsed immediatly
> when lm_sensors was started. I have now disabled lm_sensors and am
> currently running a second test.
>
So far there have been no further oopses, I have gone back to 2.6.23 since
this system is now in operational use. The above oops is the only one I was
able to get, is this of any use?

Holger

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