On Sat, Apr 20, 2013 at 2:19 AM, Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote: > On Sat, Apr 20, 2013 at 2:06 AM, Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote: >> On Sat, Apr 20, 2013 at 1:02 AM, Linus Torvalds >> <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: >>> On Fri, Apr 19, 2013 at 3:55 PM, Sedat Dilek <sedat.dilek@xxxxxxxxx> wrote: >>>> >>>> Davidlohr pointed to this patch (tested the triplet): >>>> >>>> ipc, sem: do not call sem_lock when bogus sma: >>>> https://lkml.org/lkml/2013/3/31/12 >>>> >>>> Is that what you mean? >>> >>> Yup. >>> >> >> Davidlohr Bueso (1): >> ipc, sem: do not call sem_lock when bogus sma >> >> Linus Torvalds (1): >> crazy rcu double free debug hack >> >> With ***both*** patches applied I am able to build a Linux-kernel with >> 4 parallel-make-jobs again. >> David's or your patch alone are not sufficient! >> > > [ Still both patches applied ] > > To correct myself... The 1st run was OK. > > The 2nd run shows a NULL-pointer-deref (excerpt): > > [ 178.490583] BUG: spinlock bad magic on CPU#1, sh/8066 > [ 178.490595] lock: 0xffff88008b53ea18, .magic: 6b6b6b6b, .owner: > make/8068, .owner_cpu: 3 > [ 178.490599] BUG: unable to handle kernel NULL pointer dereference > at (null) > [ 178.490608] IP: [<ffffffff812bacd0>] update_queue+0x70/0x210 > [ 178.490610] PGD 0 > [ 178.490612] Oops: 0000 [#1] SMP > ... > > See attached full dmesg! > > Hope this helps. > > - Sedat - > > >> - Sedat - >> >>> Linus I have started a new thread "[next-20130419] ipc: sem: BROKEN", please use this one! Thanks for all your feedback! - Sedat - [1] http://marc.info/?l=linux-next&m=136646172915261&w=2 -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
