On Tue, 26 Apr 2016, Shi, Yang wrote:
> On 4/21/2016 5:38 PM, Shi, Yang wrote:
> > Hi folks,
> >
> > I did the below test with huge tmpfs on linux-next-20160420:
> >
> > # mount -t tmpfs huge=1 tmpfs /mnt
> > # cd /mnt
> > Then clone linux kernel
> >
> > Then I got the below bug, such test
On Tue, 26 Apr 2016, Shi, Yang wrote:
> On 4/21/2016 5:38 PM, Shi, Yang wrote:
> > Hi folks,
> >
> > I did the below test with huge tmpfs on linux-next-20160420:
> >
> > # mount -t tmpfs huge=1 tmpfs /mnt
> > # cd /mnt
> > Then clone linux kernel
> >
> > Then I got the below bug, such test
Did some preliminary investigation on this one.
The problem is the cc->freepages list is empty, but cc->nr_freepages >
0, it looks the list and nr_freepages get out-of-sync somewhere.
Any hint is appreciated.
Thanks,
Yang
On 4/21/2016 5:38 PM, Shi, Yang wrote:
Hi folks,
I did the below
Did some preliminary investigation on this one.
The problem is the cc->freepages list is empty, but cc->nr_freepages >
0, it looks the list and nr_freepages get out-of-sync somewhere.
Any hint is appreciated.
Thanks,
Yang
On 4/21/2016 5:38 PM, Shi, Yang wrote:
Hi folks,
I did the below
Hi folks,
I did the below test with huge tmpfs on linux-next-20160420:
# mount -t tmpfs huge=1 tmpfs /mnt
# cd /mnt
Then clone linux kernel
Then I got the below bug, such test works well on non-huge tmpfs.
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: []
Hi folks,
I did the below test with huge tmpfs on linux-next-20160420:
# mount -t tmpfs huge=1 tmpfs /mnt
# cd /mnt
Then clone linux kernel
Then I got the below bug, such test works well on non-huge tmpfs.
BUG: unable to handle kernel NULL pointer dereference at (null)
IP: []
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