Displaying 10 results from an estimated 10 matches for "reprodcu".
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2016 Jun 16
2
[PATCH v7 00/12] Support non-lru page migration
...mapping: (null) index:0x1
> >
> > Hm, it seems double free.
> >
> > It doen't happen if you disable zram? IOW, it seems to be related
> > zsmalloc migration?
>
> need to test more, can't confidently answer now.
>
> > How easy can you reprodcue it? Could you bisect it?
>
> it takes some (um.. random) time to trigger the bug.
> I'll try to come up with more details.
Could you revert [1] and retest?
[1] mm/compaction: split freepages without holding the zone lock
>
> -ss
>
> > > kernel: flags: 0x800000...
2016 Jun 16
2
[PATCH v7 00/12] Support non-lru page migration
...mapping: (null) index:0x1
> >
> > Hm, it seems double free.
> >
> > It doen't happen if you disable zram? IOW, it seems to be related
> > zsmalloc migration?
>
> need to test more, can't confidently answer now.
>
> > How easy can you reprodcue it? Could you bisect it?
>
> it takes some (um.. random) time to trigger the bug.
> I'll try to come up with more details.
Could you revert [1] and retest?
[1] mm/compaction: split freepages without holding the zone lock
>
> -ss
>
> > > kernel: flags: 0x800000...
2016 Jun 16
1
[PATCH v7 00/12] Support non-lru page migration
...ouble free.
> > > >
> > > > It doen't happen if you disable zram? IOW, it seems to be related
> > > > zsmalloc migration?
> > >
> > > need to test more, can't confidently answer now.
> > >
> > > > How easy can you reprodcue it? Could you bisect it?
> > >
> > > it takes some (um.. random) time to trigger the bug.
> > > I'll try to come up with more details.
> >
> > Could you revert [1] and retest?
> >
> > [1] mm/compaction: split freepages without holding the z...
2016 Jun 16
1
[PATCH v7 00/12] Support non-lru page migration
...ouble free.
> > > >
> > > > It doen't happen if you disable zram? IOW, it seems to be related
> > > > zsmalloc migration?
> > >
> > > need to test more, can't confidently answer now.
> > >
> > > > How easy can you reprodcue it? Could you bisect it?
> > >
> > > it takes some (um.. random) time to trigger the bug.
> > > I'll try to come up with more details.
> >
> > Could you revert [1] and retest?
> >
> > [1] mm/compaction: split freepages without holding the z...
2016 Jun 16
2
[PATCH v7 00/12] Support non-lru page migration
...gt;
> kernel: BUG: Bad page state in process khugepaged pfn:101db8
> kernel: page:ffffea0004076e00 count:0 mapcount:-127 mapping: (null) index:0x1
Hm, it seems double free.
It doen't happen if you disable zram? IOW, it seems to be related
zsmalloc migration?
How easy can you reprodcue it? Could you bisect it?
> kernel: flags: 0x8000000000000000()
> kernel: page dumped because: nonzero mapcount
> kernel: Modules linked in: lzo zram zsmalloc mousedev coretemp hwmon crc32c_intel snd_hda_codec_realtek i2c_i801 snd_hda_codec_generic r8169 mii snd_hda_intel snd_hda_codec sn...
2016 Jun 16
2
[PATCH v7 00/12] Support non-lru page migration
...gt;
> kernel: BUG: Bad page state in process khugepaged pfn:101db8
> kernel: page:ffffea0004076e00 count:0 mapcount:-127 mapping: (null) index:0x1
Hm, it seems double free.
It doen't happen if you disable zram? IOW, it seems to be related
zsmalloc migration?
How easy can you reprodcue it? Could you bisect it?
> kernel: flags: 0x8000000000000000()
> kernel: page dumped because: nonzero mapcount
> kernel: Modules linked in: lzo zram zsmalloc mousedev coretemp hwmon crc32c_intel snd_hda_codec_realtek i2c_i801 snd_hda_codec_generic r8169 mii snd_hda_intel snd_hda_codec sn...
2016 Jun 16
0
[PATCH v7 00/12] Support non-lru page migration
...page:ffffea0004076e00 count:0 mapcount:-127 mapping: (null) index:0x1
>
> Hm, it seems double free.
>
> It doen't happen if you disable zram? IOW, it seems to be related
> zsmalloc migration?
need to test more, can't confidently answer now.
> How easy can you reprodcue it? Could you bisect it?
it takes some (um.. random) time to trigger the bug.
I'll try to come up with more details.
-ss
> > kernel: flags: 0x8000000000000000()
> > kernel: page dumped because: nonzero mapcount
> > kernel: Modules linked in: lzo zram zsmalloc mousedev cor...
2016 Jun 16
0
[PATCH v7 00/12] Support non-lru page migration
...>
> > > Hm, it seems double free.
> > >
> > > It doen't happen if you disable zram? IOW, it seems to be related
> > > zsmalloc migration?
> >
> > need to test more, can't confidently answer now.
> >
> > > How easy can you reprodcue it? Could you bisect it?
> >
> > it takes some (um.. random) time to trigger the bug.
> > I'll try to come up with more details.
>
> Could you revert [1] and retest?
>
> [1] mm/compaction: split freepages without holding the zone lock
ok, so this is not relate...
2016 Jun 16
2
[PATCH v7 00/12] Support non-lru page migration
On Thu, Jun 16, 2016 at 11:48:27AM +0900, Sergey Senozhatsky wrote:
> Hi,
>
> On (06/16/16 08:12), Minchan Kim wrote:
> > > [ 315.146533] kasan: CONFIG_KASAN_INLINE enabled
> > > [ 315.146538] kasan: GPF could be caused by NULL-ptr deref or user memory access
> > > [ 315.146546] general protection fault: 0000 [#1] PREEMPT SMP KASAN
> > > [
2016 Jun 16
2
[PATCH v7 00/12] Support non-lru page migration
On Thu, Jun 16, 2016 at 11:48:27AM +0900, Sergey Senozhatsky wrote:
> Hi,
>
> On (06/16/16 08:12), Minchan Kim wrote:
> > > [ 315.146533] kasan: CONFIG_KASAN_INLINE enabled
> > > [ 315.146538] kasan: GPF could be caused by NULL-ptr deref or user memory access
> > > [ 315.146546] general protection fault: 0000 [#1] PREEMPT SMP KASAN
> > > [