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@xxxxxxxxxxxxxx >[mailto:linux-mips-bounce@xxxxxxxxxxxxxx] 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 > > >-- >No virus found in this outgoing message. >Checked by AVG Free Edition. >Version: 7.1.375 / Virus Database: 268.2.1/277 - Release Date: >08/03/2006 >