[Pixel C Original Android Development] setmaster:
Im getting random reboots while im on latest stable.

[12287.493634] EXT4-fs error (device mmcblk0p7): __ext4_new_inode:1024: comm android.bg: failed to insert inode 812194: doubly allocated?
[12287.495126] Aborting journal on device mmcblk0p7-8.
[12287.495551] Kernel panic - not syncing: EXT4-fs (device mmcblk0p7): panic forced after error
[12287.495551]
[12287.495618] CPU: 3 PID: 662 Comm: android.bg Tainted: G U 3.18.0-unicornblood-dragon-m+ #1
[12287.495645] Hardware name: Google Tegra210 Smaug Rev 1,3+ (DT)
[12287.495668] Call trace:
[12287.495716] [<ffffffc00020746c>] dump_backtrace+0x0/0x10c
[12287.495749] [<ffffffc000207588>] show_stack+0x10/0x1c
[12287.495783] [<ffffffc000a92508>] dump_stack+0x74/0xb8
[12287.495813] [<ffffffc000a90ccc>] panic+0xe4/0x224
[12287.495849] [<ffffffc00038f074>] ext4_handle_error+0x8c/0x9c
[12287.495880] [<ffffffc00038f13c>] __ext4_error+0xb8/0xcc
[12287.495917] [<ffffffc00037324c>] __ext4_new_inode+0xf4c/0x1334
[12287.495947] [<ffffffc0003822d0>] ext4_create+0x94/0x170
[12287.495982] [<ffffffc00031424c>] vfs_create+0xac/0x138
[12287.496010] [<ffffffc000314834>] do_last+0x55c/0xbe4
[12287.496038] [<ffffffc0003150e0>] path_openat+0x224/0x5ec
[12287.496066] [<ffffffc0003154d4>] do_filp_open+0x2c/0x80
[12287.496097] [<ffffffc000307ddc>] do_sys_open+0x164/0x284
[12287.496122] [<ffffffc000307f30>] SyS_openat+0xc/0x18
[12287.496153] CPU1: stopping
[12287.496196] CPU: 1 PID: 161 Comm: logd.klogd Tainted: G U 3.18.0-unicornblood-dragon-m+ #1
[12287.496227] Hardware name: Google Tegra210 Smaug Rev 1,3+ (DT)
[12287.496250] Call trace:
[12287.496289] [<ffffffc00020746c>] dump_backtrace+0x0/0x10c
[12287.496323] [<ffffffc000207588>] show_stack+0x10/0x1c
[12287.496355] [<ffffffc000a92508>] dump_stack+0x74/0xb8
[12287.496387] [<ffffffc00020f864>] handle_IPI+0x168/0x28c
[12287.496412] [<ffffffc0002003f8>] gic_handle_irq+0x68/0x80
[12287.496439] Exception stack(0xffffffc06e44beb0 to 0xffffffc06e44bfd0)
[12287.496469] bea0: 00000000 00000000 00000004 00000000
[12287.496508] bec0: ffffffff ffffffff 830f4388 0000007e 01ffffff 00000000 00000e10 00000000
[12287.496546] bee0: 848a2f70 0000007e 82ac7dc8 0000007e 8313c000 0000007e 0000000c 00000000
[12287.496582] bf00: 01ffffff 00000000 00000048 00000000 6fa261f8 ffffffff 00000037 00000000
[12287.496611] bf20: 0000001b 00000000 848a3048 0000007e d9e97810 ffffffff 0000001c 00000000
[12287.496646] bf40: 00000030 00000000 0000001b 00000000 848a2f8b 0000007e 848a4f8b 0000007e
[12287.496680] bf60: 0000001d 00000000 848a2f70 0000007e 00000004 00000000 848a2fd0 0000007e
[12287.496716] bf80: 82ac7dc8 0000007e 82ac7e7c 0000007e 82ac7d90 0000007e ffffffff ffffffff
[12287.496750] bfa0: 03ffffff 00000000 82ac7d88 0000007e 82ac7dc8 0000007e 82ac7c30 0000007e
[12287.496779] bfc0: 830f4b2c 0000007e 82ac7c30 0000007e
[12287.496807] CPU0: stopping
[12287.496850] CPU: 0 PID: 5723 Comm: Binder_1 Tainted: G U 3.18.0-unicornblood-dragon-m+ #1
[12287.496881] Hardware name: Google Tegra210 Smaug Rev 1,3+ (DT)
[12287.496904] Call trace:
[12287.496941] [<ffffffc00020746c>] dump_backtrace+0x0/0x10c
[12287.496974] [<ffffffc000207588>] show_stack+0x10/0x1c
[12287.497003] [<ffffffc000a92508>] dump_stack+0x74/0xb8
[12287.497034] [<ffffffc00020f864>] handle_IPI+0x168/0x28c
[12287.497062] [<ffffffc0002003f8>] gic_handle_irq+0x68/0x80
[12287.497088] Exception stack(0xffffffc0aa75fd90 to 0xffffffc0aa75feb0)
[12287.497119] fd80: 00400000 00000000 00000000 00000000
[12287.497155] fda0: aa75fed0 ffffffc0 00203454 ffffffc0 00000001 00000000 f1ac3658 00000000
[12287.497184] fdc0: f48ca4a8 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[12287.497216] fde0: f7569a10 00000000 00000107 00000000 f1ac36a8 00000000 f6cc02e8 00000000
[12287.497248] fe00: f6cc02e0 00000000 00000000 00000000 00000000 00000000 f1ac3658 00000000
[12287.497279] fe20: f48c31ed 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[12287.497310] fe40: 00000000 00000000 00400000 00000000 00000000 00000000 ffffffff ffffffff
[12287.497343] fe60: f46ce10c 00000000 600b0010 00000000 00000011 00000000 00000183 00000000
[12287.497376] fe80: 00000107 00000000 0020d000 ffffffc0 aa75c000 ffffffc0 00000000 00000000
[12287.497404] fea0: 00000000 00000000 aa75fed0 ffffffc0
[12287.497428] CPU2: stopping
[12287.497475] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G U 3.18.0-unicornblood-dragon-m+ #1
[12287.497507] Hardware name: Google Tegra210 Smaug Rev 1,3+ (DT)
[12287.497530] Call trace:
[12287.497566] [<ffffffc00020746c>] dump_backtrace+0x0/0x10c
[12287.497601] [<ffffffc000207588>] show_stack+0x10/0x1c
[12287.497630] [<ffffffc000a92508>] dump_stack+0x74/0xb8
[12287.497660] [<ffffffc00020f864>] handle_IPI+0x168/0x28c
[12287.497688] [<ffffffc0002003f8>] gic_handle_irq+0x68/0x80
[12287.497715] Exception stack(0xffffffc0bc13bde0 to 0xffffffc0bc13bf00)
[12287.497754] bde0: e7e19386 00000b2c 00000000 00000000 bc13bf20 ffffffc0 00823c08 ffffffc0
[12287.497793] be00: 00000000 00000000 4b137b5c 001f9f7a 000056e5 00000000 ffffffff 00ffffff
[12287.497823] be20: 34155555 00000000 00000018 00000000 89539853 001f8dcc 00000028 00000000
[12287.497860] be40: bc119640 ffffffc0 bc13bd80 ffffffc0 000003f2 00000000 00000000 00000000
[12287.497893] be60: 0000016b 00000000 00000003 00000000 00000001 00000000 00000000 00000000
[12287.497925] be80: 0027f018 ffffffc0 00000000 00000000 00000000 00000000 e7e19386 00000b2c
[12287.497959] bea0: 00000000 00000000 7216f200 ffffffc0 0133c3c0 ffffffc0 e7de3414 00000b2c
[12287.497993] bec0: 00000002 00000000 00000000 00000000 013b5008 ffffffc0 00000000 00000000
[12287.498027] bee0: 80000000 00000040 bc13bf20 ffffffc0 00823b98 ffffffc0 bc13bf20 ffffffc0
[12287.498060] [<ffffffc000202da4>] el1_irq+0x64/0xd8
[12287.498093] [<ffffffc000823cc4>] cpuidle_enter+0x14/0x20
[12287.498128] [<ffffffc000253c1c>] cpu_startup_entry+0x298/0x37c
[12287.498159] [<ffffffc00020f390>] secondary_start_kernel+0xf0/0x100
[12287.582850] Rebooting in 5 seconds..

any idea?