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): > > git clone git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git > git bisect start > git bisect bad v4.10 > git bisect good v4.9 > > and then build the kernel, install it, boot the kernel and test it. > Depending on the result, run either git bisect bad or git bisect good and > keep going until git bisect comes to a conclusion. This can take an hour or > more. I have 1 question. Should make clean be done between tests? My box compiles the whole kernel in 2 minutes. -- Microsoft has beaten Volkswagen's world record. Volkswagen only created 22 million bugs.
