On Fri, Feb 10, 2017 at 01:45:06PM +0300, Andrey Melnikov wrote: > Cc: linux-scsi@xxxxxxxxxxxxxxx > > 2017-02-10 13:24 GMT+03:00 Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>: > > On Fri, Feb 10, 2017 at 02:25:26AM +0300, Andrey Jr. Melnikov wrote: > >> In article <201701151205.37563.a.miskiewicz@xxxxxxxxx> you wrote: > >> > Newsgroups: gmane.linux.kernel > >> > >> > >> > Hi. > >> > >> > There is a bug with handling of adaptec raid cards (in my case it is Adaptec > >> > 3405) where kernel logs hundreds of "AAC: Host adapter dead -1" messages. > >> > >> > Bug was reported previously on lkml but there was no progres in solving it. > >> > >> > There is also bugzilla entry: > >> > https://bugzilla.kernel.org/show_bug.cgi?id=151661 > >> > >> > I've bisected that to commit bellow and indeed, reverting it from kernel 4.9.3 > >> > makes messages go away. > >> > >> > >> Don't try to switch Adaptec 3405/3805 RAID cards to MSI-X interrupt mode. > >> Fix https://bugzilla.kernel.org/show_bug.cgi?id=151661 > >> > >> Signed-off-by: Andrey Jr. Melnikov <temnota.am@xxxxxxxxx> > >> > >> --- > >> > >> diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h > >> index 969c312de1be..2ad8403dea40 100644 > >> --- a/drivers/scsi/aacraid/aacraid.h > >> +++ b/drivers/scsi/aacraid/aacraid.h > > > > <snip> > > > > Why are you sending this to me and not the scsi developers who can > > actually do something with this patch? > > Bug in bugzilla open half year ago, microsemi maintainer slowly read > his fine docs about his hardware, broken driver fills our log with > useless messages every 10 seconds. > So, make decision - apply this patch to stable 4.9.x/4.4.x tree or > revert commit 78cbccd3bd683c295a44af8050797dc4a41376ff from it. I don't understand, that's not how the stable kernels work, please read Documentation/stable_kernel_rules.txt for how the process works. Please get a patch accepted into Linus's tree and then we will be glad to apply it to the stable kernel trees. thanks, greg k-h
