As of 3.10-2-686-pae in Jessie this is still open Using dpkg-reconfigure, the following is the log:
DKMS make.log for iscsitarget-1.4.20.3+svn490 for kernel 3.10-2-686-pae (i686) Mon Aug 26 10:58:30 PDT 2013 make: Entering directory `/usr/src/linux-headers-3.10-2-686-pae' LD /var/lib/dkms/iscsitarget/1.4.20.3+svn490/build/built-in.o LD /var/lib/dkms/iscsitarget/1.4.20.3+svn490/build/kernel/built-in.o CC [M] /var/lib/dkms/iscsitarget/1.4.20.3+svn490/build/kernel/tio.o /var/lib/dkms/iscsitarget/1.4.20.3+svn490/build/kernel/tio.c: In function âtio_add_dataâ: /var/lib/dkms/iscsitarget/1.4.20.3+svn490/build/kernel/tio.c:75:25: warning: comparison of distinct pointer types lacks a cast [enabled by default] /var/lib/dkms/iscsitarget/1.4.20.3+svn490/build/kernel/tio.c:82:18: warning: comparison of distinct pointer types lacks a cast [enabled by default] CC [M] /var/lib/dkms/iscsitarget/1.4.20.3+svn490/build/kernel/iscsi.o CC [M] /var/lib/dkms/iscsitarget/1.4.20.3+svn490/build/kernel/nthread.o CC [M] /var/lib/dkms/iscsitarget/1.4.20.3+svn490/build/kernel/wthread.o CC [M] /var/lib/dkms/iscsitarget/1.4.20.3+svn490/build/kernel/config.o /var/lib/dkms/iscsitarget/1.4.20.3+svn490/build/kernel/config.c: In function âiet_procfs_exitâ: /var/lib/dkms/iscsitarget/1.4.20.3+svn490/build/kernel/config.c:37:32: error: dereferencing pointer to incomplete type /var/lib/dkms/iscsitarget/1.4.20.3+svn490/build/kernel/config.c:37:52: error: dereferencing pointer to incomplete type /var/lib/dkms/iscsitarget/1.4.20.3+svn490/build/kernel/config.c: In function âiet_procfs_initâ: /var/lib/dkms/iscsitarget/1.4.20.3+svn490/build/kernel/config.c:49:3: error: implicit declaration of function âcreate_proc_entryâ [-Werror=implicit-function-declaration] /var/lib/dkms/iscsitarget/1.4.20.3+svn490/build/kernel/config.c:49:7: warning: assignment makes pointer from integer without a cast [enabled by default] /var/lib/dkms/iscsitarget/1.4.20.3+svn490/build/kernel/config.c:51:7: error: dereferencing pointer to incomplete type cc1: some warnings being treated as errors make[4]: *** [/var/lib/dkms/iscsitarget/1.4.20.3+svn490/build/kernel/config.o] Error 1 make[3]: *** [/var/lib/dkms/iscsitarget/1.4.20.3+svn490/build/kernel] Error 2 make[2]: *** [_module_/var/lib/dkms/iscsitarget/1.4.20.3+svn490/build] Error 2 make[1]: *** [sub-make] Error 2 make: *** [all] Error 2 make: Leaving directory `/usr/src/linux-headers-3.10-2-686-pae'