On Fri, 2019-06-14 at 11:57 -0700, Dan Williams wrote:
> On Fri, Jun 14, 2019 at 11:03 AM Dan Williams <dan.j.williams@xxxxxxxxx>
> wrote:
> >
> > On Fri, Jun 14, 2019 at 7:59 AM Qian Cai <cai@xxxxxx> wrote:
> > >
> > > On Fri, 2019-06-14 at 14:28 +0530, Aneesh Kumar K.V wrote:
> > > > Qian Cai <cai@xxxxxx> writes:
> > > >
> > > >
> > > > > 1) offline is busted [1]. It looks like test_pages_in_a_zone() missed
> > > > > the
> > > > > same
> > > > > pfn_section_valid() check.
> > > > >
> > > > > 2) powerpc booting is generating endless warnings [2]. In
> > > > > vmemmap_populated() at
> > > > > arch/powerpc/mm/init_64.c, I tried to change PAGES_PER_SECTION to
> > > > > PAGES_PER_SUBSECTION, but it alone seems not enough.
> > > > >
> > > >
> > > > Can you check with this change on ppc64. I haven't reviewed this series
> > > > yet.
> > > > I did limited testing with change . Before merging this I need to go
> > > > through the full series again. The vmemmap poplulate on ppc64 needs to
> > > > handle two translation mode (hash and radix). With respect to vmemap
> > > > hash doesn't setup a translation in the linux page table. Hence we need
> > > > to make sure we don't try to setup a mapping for a range which is
> > > > arleady convered by an existing mapping.
> > >
> > > It works fine.
> >
> > Strange... it would only change behavior if valid_section() is true
> > when pfn_valid() is not or vice versa. They "should" be identical
> > because subsection-size == section-size on PowerPC, at least with the
> > current definition of SUBSECTION_SHIFT. I suspect maybe
> > free_area_init_nodes() is too late to call subsection_map_init() for
> > PowerPC.
>
> Can you give the attached incremental patch a try? This will break
> support for doing sub-section hot-add in a section that was only
> partially populated early at init, but that can be repaired later in
> the series. First things first, don't regress.
>
> diff --git a/mm/page_alloc.c b/mm/page_alloc.c
> index 874eb22d22e4..520c83aa0fec 100644
> --- a/mm/page_alloc.c
> +++ b/mm/page_alloc.c
> @@ -7286,12 +7286,10 @@ void __init free_area_init_nodes(unsigned long
> *max_zone_pfn)
>
> /* Print out the early node map */
> pr_info("Early memory node ranges\n");
> - for_each_mem_pfn_range(i, MAX_NUMNODES, &start_pfn, &end_pfn, &nid) {
> + for_each_mem_pfn_range(i, MAX_NUMNODES, &start_pfn, &end_pfn, &nid)
> pr_info(" node %3d: [mem %#018Lx-%#018Lx]\n", nid,
> (u64)start_pfn << PAGE_SHIFT,
> ((u64)end_pfn << PAGE_SHIFT) - 1);
> - subsection_map_init(start_pfn, end_pfn - start_pfn);
> - }
>
> /* Initialise every node */
> mminit_verify_pageflags_layout();
> diff --git a/mm/sparse.c b/mm/sparse.c
> index 0baa2e55cfdd..bca8e6fa72d2 100644
> --- a/mm/sparse.c
> +++ b/mm/sparse.c
> @@ -533,6 +533,7 @@ static void __init sparse_init_nid(int nid,
> unsigned long pnum_begin,
> }
> check_usemap_section_nr(nid, usage);
> sparse_init_one_section(__nr_to_section(pnum), pnum,
> map, usage);
> + subsection_map_init(section_nr_to_pfn(pnum),
> PAGES_PER_SECTION);
> usage = (void *) usage + mem_section_usage_size();
> }
> sparse_buffer_fini();
It works fine except it starts to trigger slab debugging errors during boot. Not
sure if it is related yet.
[ OK ] Mounted /boot.
[ OK ] Started LVM event activation on device 8:1.
[ OK ] Found device /dev/mapper/rhel_ibm--p9wr--06-home.
Mounting /home...
[ 47.553541][ T920]
=============================================================================
[ 47.553586][ T920] BUG kmem_cache (Not tainted): Poison overwritten
[ 47.553618][ T920] -------------------------------------------------------
----------------------
[ 47.553618][ T920]
[ 47.553655][ T920] Disabling lock debugging due to kernel taint
[ 47.553697][ T920] INFO: 0x0000000056823988-0x0000000050e781ac. First byte
0x0 instead of 0x6b
[ 47.553739][ T920] INFO: Allocated in create_cache+0x9c/0x2f0 age=1381
cpu=104 pid=751
[ 47.553777][ T920] __slab_alloc+0x34/0x60
[ 47.553801][ T920] kmem_cache_alloc+0x4e4/0x5a0
[ 47.553815][ T920] create_cache+0x9c/0x2f0
[ 47.553856][ T920] memcg_create_kmem_cache+0x150/0x1b0
[ 47.553871][ T920] memcg_kmem_cache_create_func+0x3c/0x150
[ 47.553888][ T920] process_one_work+0x300/0x800
[ 47.553939][ T920] worker_thread+0x78/0x540
[ 47.553991][ T920] kthread+0x1b8/0x1c0
[ 47.554030][ T920] ret_from_kernel_thread+0x5c/0x70
[ 47.554057][ T920] INFO: Freed in slab_kmem_cache_release+0x60/0xc0 age=379
cpu=94 pid=484
[ 47.554100][ T920] kmem_cache_free+0x58c/0x680
[ 47.554128][ T920] slab_kmem_cache_release+0x60/0xc0
[ 47.554166][ T920] kmem_cache_release+0x24/0x40
[ 47.554204][ T920] kobject_put+0x12c/0x300
[ 47.554253][ T920] sysfs_slab_release+0x38/0x50
[ 47.554293][ T920] shutdown_cache+0x2d4/0x3b0
[ 47.554331][ T920] kmemcg_cache_shutdown_fn+0x20/0x40
[ 47.554360][ T920] kmemcg_workfn+0x64/0xb0
[ 47.554385][ T920] process_one_work+0x300/0x800
[ 47.554420][ T920] worker_thread+0x78/0x540
[ 47.554461][ T920] kthread+0x1b8/0x1c0
[ 47.554486][ T920] ret_from_kernel_thread+0x5c/0x70
[ 47.554534][ T920] INFO: Slab 0x00000000e5a3850e objects=21 used=21
fp=0x000000001c184c17 flags=0x83fffc000000200
[ 47.554616][ T920] INFO: Object 0x000000004f30f83e @offset=40064
fp=0x00000000c5c64399
[ 47.554616][ T920]
[ 47.554690][ T920] Redzone 00000000e463ee75: bb bb bb bb bb bb bb bb bb bb
bb bb bb bb bb bb ................
[ 47.554758][ T920] Redzone 000000004b6f4884: bb bb bb bb bb bb bb bb bb bb
bb bb bb bb bb bb ................
[ 47.554813][ T920] Redzone 000000005c73936a: bb bb bb bb bb bb bb bb bb bb
bb bb bb bb bb bb ................
[ 47.554881][ T920] Redzone 00000000e294755c: bb bb bb bb bb bb bb bb bb bb
bb bb bb bb bb bb ................
[ 47.554956][ T920] Redzone 0000000026ba2e61: bb bb bb bb bb bb bb bb bb bb
bb bb bb bb bb bb ................
[ 47.555038][ T920] Redzone 00000000210aec0a: bb bb bb bb bb bb bb bb bb bb
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[ 47.555181][ T920] Redzone 00000000a88fe569: bb bb bb bb bb bb bb bb bb bb
bb bb bb bb bb bb ................
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[ 47.556671][ T920] Object 000000009b83b552: 6b 6b 6b 6b 6b 6b 6b 6b 00 00 00
00 00 00 00 00 kkkkkkkk........
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[ 47.557833][ T920] Object 0000000046b6818a: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
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[ 47.557891][ T920] Object 00000000caac6967: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
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[ 47.557958][ T920] Object 00000000d540458f: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
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[ 47.563412][ T920] Object 00000000d9a0bf91: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.563542][ T920] Object 0000000078b76649: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.563651][ T920] Object 000000009ea820a0: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.563770][ T920] Object 0000000028c41bed: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.563900][ T920] Object 00000000f51e38ad: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.564021][ T920] Object 00000000c02d82b9: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.564158][ T920] Object 0000000058ebb46f: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.564264][ T920] Object 00000000ea08dece: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.564386][ T920] Object 000000007a3b09c4: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.564498][ T920] Object 000000001a5867fa: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.564608][ T920] Object 0000000032da9381: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.564723][ T920] Object 00000000ff06b6e1: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.564859][ T920] Object 00000000c498e74f: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.564962][ T920] Object 00000000fa5b10ba: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.565094][ T920] Object 0000000091a64fdf: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.565211][ T920] Object 00000000d8cbdea4: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.565330][ T920] Object 00000000822f8c2b: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.565458][ T920] Object 0000000077baccaa: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.565574][ T920] Object 0000000020f7f917: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.565692][ T920] Object 000000002665ae1e: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.565803][ T920] Object 000000009a085cfd: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.565914][ T920] Object 00000000a6349306: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.566043][ T920] Object 00000000ed8bb9c6: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.566187][ T920] Object 000000007b63b8ca: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.566345][ T920] Object 00000000ccc27101: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.566471][ T920] Object 00000000ef4a11c7: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.566600][ T920] Object 00000000990e4e67: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.566729][ T920] Object 000000001441daf8: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.566830][ T920] Object 00000000629b60fd: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.566959][ T920] Object 0000000005756df5: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.567095][ T920] Object 000000001335c55d: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.567202][ T920] Object 000000008a10e58c: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.567311][ T920] Object 0000000075bd1fe7: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.567466][ T920] Object 000000007e35380c: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.567583][ T920] Object 00000000845eff4e: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.567704][ T920] Object 00000000785bc98b: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.567847][ T920] Object 0000000014e0c8d4: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.567962][ T920] Object 0000000016a9470d: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.568077][ T920] Object 0000000043305971: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.568190][ T920] Object 000000008c5c5689: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.568340][ T920] Object 0000000036f07dab: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.568445][ T920] Object 00000000b2bfcacf: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.568542][ T920] Object 000000000ae7f17b: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.568650][ T920] Object 00000000a8314823: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.568791][ T920] Object 000000008edcb310: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.568937][ T920] Object 00000000c1c5a76b: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.569040][ T920] Object 00000000d3df47c1: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.569163][ T920] Object 00000000409f0701: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.569289][ T920] Object 00000000d905df04: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.569413][ T920] Object 0000000093e68225: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.569556][ T920] Object 00000000e31c71b1: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.569658][ T920] Object 00000000bb083b6d: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.569764][ T920] Object 0000000033ec023f: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.569905][ T920] Object 0000000059b795ff: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.570030][ T920] Object 00000000a433364d: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.570143][ T920] Object 0000000056e6045e: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.570260][ T920] Object 00000000496ffb36: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.570391][ T920] Object 0000000053fd9d70: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.570528][ T920] Object 000000005ba5d6bc: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.570625][ T920] Object 0000000022c2afa2: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.570745][ T920] Object 0000000035b58153: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.570888][ T920] Object 00000000cf9e2d08: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.571024][ T920] Object 0000000020e2e55a: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.571136][ T920] Object 00000000dded7e78: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.571237][ T920] Object 000000005b5dc165: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.571357][ T920] Object 00000000ed1631b2: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.571489][ T920] Object 00000000bb9fcf9e: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.571628][ T920] Object 000000000b203ce1: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b a5 kkkkkkkkkkkkkkk.
[ 47.571724][ T920] Redzone 000000004649abf0: bb bb bb bb bb bb bb
bb ........
[ 47.571827][ T920] Padding 000000009c7fa5f3: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 47.571970][ T920] Padding 00000000693f60d5: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 47.572091][ T920] Padding 000000002f6715e7: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 47.572205][ T920] Padding 00000000dd7440e4: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 47.572349][ T920] Padding 000000003da6a5e5: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 47.572472][ T920] Padding 00000000ddafc3df: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 47.572576][ T920] Padding 000000001892aa1d: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 47.572717][ T920] CPU: 73 PID: 920 Comm: kworker/73:1 Tainted:
G B 5.2.0-rc4-next-20190614+ #15
[ 47.572835][ T920] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func
[ 47.572934][ T920] Call Trace:
[ 47.572972][ T920] [c00020152898f680] [c00000000089793c]
dump_stack+0xb0/0xf4 (unreliable)
[ 47.573063][ T920] [c00020152898f6c0] [c0000000003df8a8]
print_trailer+0x23c/0x264
[ 47.573153][ T920] [c00020152898f750] [c0000000003cedd8]
check_bytes_and_report+0x138/0x160
[ 47.573266][ T920] [c00020152898f7f0] [c0000000003d1de8]
check_object+0x348/0x3e0
[ 47.573363][ T920] [c00020152898f860] [c0000000003d2038]
alloc_debug_processing+0x1b8/0x2c0
[ 47.573447][ T920] [c00020152898f900] [c0000000003d5214]
___slab_alloc+0xb94/0xf80
[ 47.573538][ T920] [c00020152898fa30] [c0000000003d5634]
__slab_alloc+0x34/0x60
[ 47.573639][ T920] [c00020152898fa60] [c0000000003d5b44]
kmem_cache_alloc+0x4e4/0x5a0
[ 47.573731][ T920] [c00020152898faf0] [c00000000033288c]
create_cache+0x9c/0x2f0
[ 47.573830][ T920] [c00020152898fb60] [c000000000333350]
memcg_create_kmem_cache+0x150/0x1b0
[ 47.573931][ T920] [c00020152898fc00] [c00000000040f15c]
memcg_kmem_cache_create_func+0x3c/0x150
[ 47.574032][ T920] [c00020152898fc40] [c00000000014b060]
process_one_work+0x300/0x800
[ 47.574148][ T920] [c00020152898fd20] [c00000000014b5d8]
worker_thread+0x78/0x540
[ 47.574235][ T920] [c00020152898fdb0] [c000000000155ef8] kthread+0x1b8/0x1c0
[ 47.574338][ T920] [c00020152898fe20] [c00000000000b4cc]
ret_from_kernel_thread+0x5c/0x70
[ 47.574407][ T920] FIX kmem_cache: Restoring 0x0000000056823988-
0x0000000050e781ac=0x6b
[ 47.574407][ T920]
[ 47.574550][ T920] FIX kmem_cache: Marking all objects used
[ 47.622056][ T3790] XFS (dm-2): Mounting V5 Filesystem
[ OK ] Started LVM event activation on device 8:19.
[ 47.833132][ T3790] XFS (dm-2): Ending clean mount
[ OK ] Mounted /home.
[ OK ] Reached target Local File Systems.
Starting Tell Plymouth To Write Out Runtime Data...
Starting Import network configuration from initramfs...
Starting Restore /run/initramfs on shutdown...
[ 47.959491][ T924]
=============================================================================
[ 47.959532][ T924] BUG kmem_cache (Tainted: G B ): Poison
overwritten
[ 47.959565][ T924] -------------------------------------------------------
----------------------
[ 47.959565][ T924]
[ 47.959601][ T924] INFO: 0x000000005bf9327f-0x0000000012b186d0. First byte
0x0 instead of 0x6b
[ 47.959643][ T924] INFO: Allocated in create_cache+0x9c/0x2f0 age=1444
cpu=104 pid=751
[ 47.959684][ T924] __slab_alloc+0x34/0x60
[ 47.959708][ T924] kmem_cache_alloc+0x4e4/0x5a0
[ 47.959722][ T924] create_cache+0x9c/0x2f0
[ 47.959761][ T924] memcg_create_kmem_cache+0x150/0x1b0
[ 47.959811][ T924] memcg_kmem_cache_create_func+0x3c/0x150
[ 47.959850][ T924] process_one_work+0x300/0x800
[ 47.959874][ T924] worker_thread+0x78/0x540
[ 47.959900][ T924] kthread+0x1b8/0x1c0
[ 47.959913][ T924] ret_from_kernel_thread+0x5c/0x70
[ 47.959938][ T924] INFO: Freed in slab_kmem_cache_release+0x60/0xc0 age=472
cpu=94 pid=484
[ 47.960008][ T924] kmem_cache_free+0x58c/0x680
[ 47.960045][ T924] slab_kmem_cache_release+0x60/0xc0
[ 47.960081][ T924] kmem_cache_release+0x24/0x40
[ 47.960121][ T924] kobject_put+0x12c/0x300
[ 47.960146][ T924] sysfs_slab_release+0x38/0x50
[ 47.960171][ T924] shutdown_cache+0x2d4/0x3b0
[ 47.960246][ T924] kmemcg_cache_shutdown_fn+0x20/0x40
[ 47.960282][ T924] kmemcg_workfn+0x64/0xb0
[ 47.960330][ T924] process_one_work+0x300/0x800
[ 47.960366][ T924] worker_thread+0x78/0x540
[ 47.960413][ T924] kthread+0x1b8/0x1c0
[ 47.960448][ T924] ret_from_kernel_thread+0x5c/0x70
[ 47.960462][ T924] INFO: Slab 0x00000000db2ed41f objects=21 used=21
fp=0x000000001c184c17 flags=0x83fffc000000200
[ 47.960506][ T924] INFO: Object 0x00000000c0f66338 @offset=21632
fp=0x00000000b3cc6b7b
[ 47.960506][ T924]
[ 47.960580][ T924] Redzone 00000000ff912fe4: bb bb bb bb bb bb bb bb bb bb
bb bb bb bb bb bb ................
[ 47.960659][ T924] Redzone 0000000071d29417: bb bb bb bb bb bb bb bb bb bb
bb bb bb bb bb bb ................
[ 47.960717][ T924] Redzone 000000001cc1e9aa: bb bb bb bb bb bb bb bb bb bb
bb bb bb bb bb bb ................
[ 47.960784][ T924] Redzone 0000000057ad4648: bb bb bb bb bb bb bb bb bb bb
bb bb bb bb bb bb ................
[ 47.960876][ T924] Redzone 0000000063aa1956: bb bb bb bb bb bb bb bb bb bb
bb bb bb bb bb bb ................
[ 47.960943][ T924] Redzone 000000005e03e281: bb bb bb bb bb bb bb bb bb bb
bb bb bb bb bb bb ................
[ 47.961013][ T924] Redzone 00000000d1d049b4: bb bb bb bb bb bb bb bb bb bb
bb bb bb bb bb bb ................
[ 47.961068][ T924] Redzone 00000000ea455f4b: bb bb bb bb bb bb bb bb bb bb
bb bb bb bb bb bb ................
[ 47.961134][ T924] Object 00000000c0f66338: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.961201][ T924] Object 0000000054d58d73: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.961270][ T924] Object 0000000080b3d18f: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.961326][ T924] Object 00000000cbecca66: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.961395][ T924] Object 00000000e6f9bb18: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.961462][ T924] Object 00000000528c4c8d: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.961532][ T924] Object 000000002cac1453: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.961601][ T924] Object 000000002e2b052f: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.961647][ T924] Object 00000000af6b3436: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.961714][ T924] Object 00000000d8c9093b: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.961782][ T924] Object 00000000a443983c: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.961862][ T924] Object 000000007140fb0a: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.961942][ T924] Object 0000000092423efb: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.962008][ T924] Object 00000000068bbb54: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.962065][ T924] Object 00000000e1ec757d: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.962134][ T924] Object 000000005dfea769: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.962201][ T924] Object 0000000044039bb7: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.962271][ T924] Object 000000002f80f51a: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.962369][ T924] Object 0000000030e34515: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.962451][ T924] Object 0000000055d8fc06: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
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[ 47.976593][ T924] Object 00000000ba138b15: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.976714][ T924] Object 000000004896d243: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.976836][ T924] Object 00000000715e3719: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.976961][ T924] Object 00000000b31a6327: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.977080][ T924] Object 00000000469b3fa7: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.977211][ T924] Object 000000000ca34717: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.977324][ T924] Object 0000000062afcbf2: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.977452][ T924] Object 00000000ec39b624: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b 6b kkkkkkkkkkkkkkkk
[ 47.977578][ T924] Object 00000000d9874c53: 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b 6b
6b 6b 6b 6b a5 kkkkkkkkkkkkkkk.
[ 47.977686][ T924] Redzone 000000004d458caf: bb bb bb bb bb bb bb
bb ........
[ 47.977805][ T924] Padding 000000003393d98c: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 47.977909][ T924] Padding 000000000d637794: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 47.978025][ T924] Padding 00000000d4fd521d: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 47.978192][ T924] Padding 00000000325c4503: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 47.978304][ T924] Padding 00000000f795c69f: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 47.978412][ T924] Padding 00000000e6145184: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 47.978570][ T924] Padding 000000001665d379: 5a 5a 5a 5a 5a 5a 5a 5a 5a 5a
5a 5a 5a 5a 5a 5a ZZZZZZZZZZZZZZZZ
[ 47.978706][ T924] CPU: 83 PID: 924 Comm: kworker/83:1 Tainted:
G B 5.2.0-rc4-next-20190614+ #15
[ 47.978840][ T924] Workqueue: memcg_kmem_cache memcg_kmem_cache_create_func
[ 47.978920][ T924] Call Trace:
[ 47.978980][ T924] [c0002015285cf680] [c00000000089793c]
dump_stack+0xb0/0xf4 (unreliable)
[ 47.979069][ T924] [c0002015285cf6c0] [c0000000003df8a8]
print_trailer+0x23c/0x264
[ 47.979192][ T924] [c0002015285cf750] [c0000000003cedd8]
check_bytes_and_report+0x138/0x160
[ 47.979288][ T924] [c0002015285cf7f0] [c0000000003d1de8]
check_object+0x348/0x3e0
[ 47.979373][ T924] [c0002015285cf860] [c0000000003d2038]
alloc_debug_processing+0x1b8/0x2c0
[ 47.979495][ T924] [c0002015285cf900] [c0000000003d5214]
___slab_alloc+0xb94/0xf80
[ 47.979582][ T924] [c0002015285cfa30] [c0000000003d5634]
__slab_alloc+0x34/0x60
[ 47.979669][ T924] [c0002015285cfa60] [c0000000003d5b44]
kmem_cache_alloc+0x4e4/0x5a0
[ 47.979765][ T924] [c0002015285cfaf0] [c00000000033288c]
create_cache+0x9c/0x2f0
[ 47.979898][ T924] [c0002015285cfb60] [c000000000333350]
memcg_create_kmem_cache+0x150/0x1b0
[ 47.979997][ T924] [c0002015285cfc00] [c00000000040f15c]
memcg_kmem_cache_create_func+0x3c/0x150
[ 47.980102][ T924] [c0002015285cfc40] [c00000000014b060]
process_one_work+0x300/0x800
[ 47.980206][ T924] [c0002015285cfd20] [c00000000014b5d8]
worker_thread+0x78/0x540
[ 47.980292][ T924] [c0002015285cfdb0] [c000000000155ef8] kthread+0x1b8/0x1c0
[ 47.980400][ T924] [c0002015285cfe20] [c00000000000b4cc]
ret_from_kernel_thread+0x5c/0x70
[ 47.980488][ T924] FIX kmem_cache: Restoring 0x000000005bf9327f-
0x0000000012b186d0=0x6b
[ 47.980488][ T924]
[ 47.980640][ T924] FIX kmem_cache: Marking all objects used
[ OK ] Started Restore /run/initramfs on shutdown.
[ OK ] Started Tell Plymouth To Write Out Runtime Data.
[ OK ] Started Import network configuration from initramfs.
Starting Create Volatile Files and Directories...
[ OK ] Started Create Volatile Files and Directories.
Starting Update UTMP about System Boot/Shutdown...
