Bart Van Assche wrote: > On Thu, 2018-04-05 at 22:06 -0400, Wakko Warner wrote: > > I know now why scsi_print_command isn't doing anything. cmd->cmnd is null. > > I added a dev_printk in scsi_print_command where the 2 if statements return. > > Logs: > > [ 29.866415] sr 3:0:0:0: cmd->cmnd is NULL > > That's something that should never happen. As one can see in > scsi_setup_scsi_cmnd() and scsi_setup_fs_cmnd() both functions initialize > that pointer. Since I have not yet been able to reproduce myself what you > reported, would it be possible for you to bisect this issue? You will need > to follow something like the following procedure (see also > https://git-scm.com/docs/git-bisect):
After doing 3 successful compiles with good/bad, I got this error and was not able to compile any more kernels: CC scripts/mod/devicetable-offsets.s scripts/mod/empty.c:1:0: error: code model kernel does not support PIC mode /* empty file to figure out endianness / word size */ scripts/mod/devicetable-offsets.c:1:0: error: code model kernel does not support PIC mode #include <linux/kbuild.h> scripts/Makefile.build:153: recipe for target 'scripts/mod/devicetable-offsets.s' failed I don't think it found the bad commit. -- Microsoft has beaten Volkswagen's world record. Volkswagen only created 22 million bugs.