8474b591fa
WARNING: at lib/list_debug.c:26 __list_add+0x3f/0x81() Hardware name: Express5800/B120a [N8400-085] list_add corruption. next->prev should be prev (ffffffff81a7ea00), but was dead000000200200. (next=ffff88080b872d58). Modules linked in: aoe ipt_MASQUERADE iptable_nat nf_nat autofs4 sunrpc bridge 8021q garp stp llc ipv6 cpufreq_ondemand acpi_cpufreq freq_table dm_round_robin dm_multipath kvm_intel kvm uinput lpfc scsi_transport_fc igb ioatdma scsi_tgt i2c_i801 i2c_core dca iTCO_wdt iTCO_vendor_support pcspkr shpchp megaraid_sas [last unloaded: aoe] Pid: 54, comm: events/3 Tainted: G W 2.6.34-vanilla1 #1 Call Trace: [<ffffffff8104bd77>] warn_slowpath_common+0x7c/0x94 [<ffffffff8104bde6>] warn_slowpath_fmt+0x41/0x43 [<ffffffff8120fd2e>] __list_add+0x3f/0x81 [<ffffffff81212a12>] __percpu_counter_init+0x59/0x6b [<ffffffff810d8499>] bdi_init+0x118/0x17e [<ffffffff811f2c50>] blk_alloc_queue_node+0x79/0x143 [<ffffffff811f2d2b>] blk_alloc_queue+0x11/0x13 [<ffffffffa02a931d>] aoeblk_gdalloc+0x8e/0x1c9 [aoe] [<ffffffffa02aa655>] aoecmd_sleepwork+0x25/0xa8 [aoe] [<ffffffff8106186c>] worker_thread+0x1a9/0x237 [<ffffffffa02aa630>] ? aoecmd_sleepwork+0x0/0xa8 [aoe] [<ffffffff81065827>] ? autoremove_wake_function+0x0/0x39 [<ffffffff810616c3>] ? worker_thread+0x0/0x237 [<ffffffff810653ad>] kthread+0x7f/0x87 [<ffffffff8100aa24>] kernel_thread_helper+0x4/0x10 [<ffffffff8106532e>] ? kthread+0x0/0x87 [<ffffffff8100aa20>] ? kernel_thread_helper+0x0/0x10 It's because there is no initialization code for a list_head contained in the struct backing_dev_info under CONFIG_HOTPLUG_CPU, and the bug comes up when block device drivers calling blk_alloc_queue() are used. In case of me, I got them by using aoe. Signed-off-by: Masanori Itoh <itoumsn@nttdata.co.jp> Cc: Tejun Heo <tj@kernel.org> Cc: <stable@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
||
---|---|---|
.. | ||
lzo | ||
raid6 | ||
reed_solomon | ||
zlib_deflate | ||
zlib_inflate | ||
.gitignore | ||
Kconfig | ||
Kconfig.debug | ||
Kconfig.kgdb | ||
Kconfig.kmemcheck | ||
Makefile | ||
argv_split.c | ||
atomic64.c | ||
atomic64_test.c | ||
audit.c | ||
bcd.c | ||
bitmap.c | ||
bitrev.c | ||
btree.c | ||
bug.c | ||
bust_spinlocks.c | ||
check_signature.c | ||
checksum.c | ||
cmdline.c | ||
cpu-notifier-error-inject.c | ||
cpumask.c | ||
crc-ccitt.c | ||
crc-itu-t.c | ||
crc-t10dif.c | ||
crc7.c | ||
crc16.c | ||
crc32.c | ||
crc32defs.h | ||
ctype.c | ||
debug_locks.c | ||
debugobjects.c | ||
dec_and_lock.c | ||
decompress.c | ||
decompress_bunzip2.c | ||
decompress_inflate.c | ||
decompress_unlzma.c | ||
decompress_unlzo.c | ||
devres.c | ||
div64.c | ||
dma-debug.c | ||
dump_stack.c | ||
dynamic_debug.c | ||
extable.c | ||
fault-inject.c | ||
find_last_bit.c | ||
find_next_bit.c | ||
flex_array.c | ||
gcd.c | ||
gen_crc32table.c | ||
genalloc.c | ||
halfmd4.c | ||
hexdump.c | ||
hweight.c | ||
idr.c | ||
inflate.c | ||
int_sqrt.c | ||
iomap.c | ||
iomap_copy.c | ||
iommu-helper.c | ||
ioremap.c | ||
irq_regs.c | ||
is_single_threaded.c | ||
kasprintf.c | ||
kernel_lock.c | ||
klist.c | ||
kobject.c | ||
kobject_uevent.c | ||
kref.c | ||
lcm.c | ||
libcrc32c.c | ||
list_debug.c | ||
list_sort.c | ||
locking-selftest-hardirq.h | ||
locking-selftest-mutex.h | ||
locking-selftest-rlock-hardirq.h | ||
locking-selftest-rlock-softirq.h | ||
locking-selftest-rlock.h | ||
locking-selftest-rsem.h | ||
locking-selftest-softirq.h | ||
locking-selftest-spin-hardirq.h | ||
locking-selftest-spin-softirq.h | ||
locking-selftest-spin.h | ||
locking-selftest-wlock-hardirq.h | ||
locking-selftest-wlock-softirq.h | ||
locking-selftest-wlock.h | ||
locking-selftest-wsem.h | ||
locking-selftest.c | ||
lru_cache.c | ||
nlattr.c | ||
parser.c | ||
percpu_counter.c | ||
plist.c | ||
prio_heap.c | ||
prio_tree.c | ||
proportions.c | ||
radix-tree.c | ||
random32.c | ||
ratelimit.c | ||
rational.c | ||
rbtree.c | ||
reciprocal_div.c | ||
rwsem-spinlock.c | ||
rwsem.c | ||
scatterlist.c | ||
sha1.c | ||
show_mem.c | ||
smp_processor_id.c | ||
sort.c | ||
spinlock_debug.c | ||
string.c | ||
string_helpers.c | ||
swiotlb.c | ||
syscall.c | ||
textsearch.c | ||
ts_bm.c | ||
ts_fsm.c | ||
ts_kmp.c | ||
uuid.c | ||
vsprintf.c |