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Groups > linux.kernel > #1685417
| From | David Miller <davem@davemloft.net> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: sun4v+DMA related boot crash on 4.13-git |
| Date | 2017-07-12 02:40 +0200 |
| Message-ID | <u2dR8-Vf-13@gated-at.bofh.it> (permalink) |
| References | <u2b2X-7At-33@gated-at.bofh.it> <u2bcD-7F4-23@gated-at.bofh.it> <u2bYZ-8cB-3@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
From: Tushar Dave <tushar.n.dave@oracle.com> Date: Tue, 11 Jul 2017 15:38:21 -0700 > > > On 07/11/2017 02:48 PM, Meelis Roos wrote: >>>>>>> I tested yesterdayd 4.12+git on sparc64 to see if the sparc merge >>>>>>> works >>>>>>> fine, and on all of my sun4v machines (T1000, T2000, T5120) it crashed >>>>>>> on boot with DMA-related stacktrace (below). Allt he machines are >>>>>>> sun4v >>>>>>> physical machines, not VM-s. Older sun4 machines do not exhibit this >>>>>>> problem. >>>>>>> >>>>>>> Maybae DMA APi realted, maybe sparc64. Will try to bisect when I get >>>>>>> time. >>>>>> I see whats going on with panic. I will reproduce locally. Will get >>>>>> back >>>>>> soon. >>>>> This patch should fix panic. Please give it a try. >>>> >>>> Yes, this patch fixes it. Thank you for fixing it quickly! >>> Thanks for testing. Patch sent for sparc-next. >> Why sparc-next - it should go into 4.13 since 4.13 would break all >> niagara1 and niagara2 systems otherwise?This is sparc arch fix so I >> used sparc tree(in this case for sparc-next). > I am open to maintainers suggestions. Thanks. If the bug is in Linus's tree the fix must target 'sparc' not 'sparc-next'.
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sun4v+DMA related boot crash on 4.13-git Meelis Roos <mroos@linux.ee> - 2017-07-10 15:30 +0200
Re: sun4v+DMA related boot crash on 4.13-git tndave <tushar.n.dave@oracle.com> - 2017-07-10 20:50 +0200
Re: sun4v+DMA related boot crash on 4.13-git tndave <tushar.n.dave@oracle.com> - 2017-07-10 23:40 +0200
Re: sun4v+DMA related boot crash on 4.13-git Meelis Roos <mroos@linux.ee> - 2017-07-11 07:10 +0200
Re: sun4v+DMA related boot crash on 4.13-git Tushar Dave <tushar.n.dave@oracle.com> - 2017-07-11 23:40 +0200
Re: sun4v+DMA related boot crash on 4.13-git Meelis Roos <mroos@linux.ee> - 2017-07-11 23:50 +0200
Re: sun4v+DMA related boot crash on 4.13-git Tushar Dave <tushar.n.dave@oracle.com> - 2017-07-12 00:40 +0200
Re: sun4v+DMA related boot crash on 4.13-git David Miller <davem@davemloft.net> - 2017-07-12 02:40 +0200
Re: sun4v+DMA related boot crash on 4.13-git Tushar Dave <tushar.n.dave@oracle.com> - 2017-07-12 05:50 +0200
Re: sun4v+DMA related boot crash on 4.13-git David Miller <davem@davemloft.net> - 2017-07-12 06:10 +0200
Re: sun4v+DMA related boot crash on 4.13-git Tushar Dave <tushar.n.dave@oracle.com> - 2017-07-12 06:50 +0200
Re: sun4v+DMA related boot crash on 4.13-git David Miller <davem@davemloft.net> - 2017-07-12 02:40 +0200
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