Re: [Iscsitarget-devel] RE: mips kernel 2.6.16rc1 + IET 0.4.13 - /dev/ietctl - ioctl unknown command

[Frederic Temporelli <frederic.temporelli@tele2.fr>]

Hi,

Sorry, I'm not able to build 64 bits user space binaries (Debian distro, 
where all binaries are 32 bits... ld is reporting errors when I try to 
link using o64 and n64 ABIs, seems that only the kernel can be 64 bits).

But don't care, on my side it was just to do a test to IET.
I'll try do test it at work on IA64...
--
Fred

Ming Zhang a écrit :

>thanks. i guess this is the reason.
>
>@Frederic, could you confirm this? also if you compile u user space as
>64bit, it should be ok then.
>
>ming
>
>On Wed, 2006-03-08 at 10:18 -0800, Shanthi Kiran Pendyala (skiranp)
>wrote:
>  
>
>>I have seen such error messages when userspace app is built in 32bit
>>mode
>>And kernel is built in 64 bit mode. Does this apply to your setup ?
>>
>>The way to fix this is to register a ioctl32 conversion routine in
>>The driver. Google is your friend..
>>
>>Thx
>>Kiran  
>>
>>    
>>
>>>-----Original Message-----
>>>From: linux-mips-bounce@linux-mips.org 
>>>[mailto:linux-mips-bounce@linux-mips.org] On Behalf Of 
>>>Frederic Temporelli
>>>Sent: Wednesday, March 08, 2006 10:13 AM
>>>To: iet-dev; linux-mips
>>>Subject: mips kernel 2.6.16rc1 + IET 0.4.13 - /dev/ietctl - 
>>>ioctl unknown command
>>>
>>>Hello,
>>>
>>>I would like to report an ioctl issue using IET 0.4.13 (iSCSI 
>>>target) and kernel 2.6.16-rc1, running on mips / SGI O2
>>>
>>>The driver seems to load nicely, but there was no way to do 
>>>ioctl on the userspace device /dev/ietctl.
>>>I got such messages in syslog:
>>>Mar  4 16:47:16 o2 kernel: [4303606.514000] 
>>>ioctl32(ietd:3448): Unknown cmd fd(4) cmd(81046900){01} 
>>>arg(7f942ab0) on /dev/ietctl
>>>
>>>=> I've been able to resolve the issue by adding a by-pass (goto
>>>do_ioctl) in kernel compat_sys_ioctl function (fs/compat.c)  
>>>and all is working fine now.
>>>
>>>I don't know if such issue is related to mips only or is due to changes
>>>2.6.16 kernel
>>>I've also did some tries on x86 with linux 2.6.15.5, all was 
>>>working fine without needing to change anything in the kernel.
>>>
>>>Did somebody report such issue with IET and recent kernel ?
>>>May some people from linux-mips tell if such issue is mips specific ?
>>>
>>>Best regards.
>>>--
>>>Fred
>>>
>>>
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>>>      
>>>
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>
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