[Nexus 6 Developer Discussion [Developers Only]] Tasssadar:
To me it looks about the same as other Nexus devices, if you're coming from something else then yeah, other devices might have more debugging logs enabled. This is how last part of console-ramoops looks after kexec:

[ 92.405394] multirom: Booting ROM euphoria...
[ 92.593884] type=1400 audit(1425901674.604:20): avc: denied { write } for pid=3783 comm="app_process32_o" name="system@framework@boot.art" dev="dm-0" ino=791524 scontext=u:r:shell:s0 tcontext=u:object_r:dalvikcache_data_file:s0 tclass=file permissive=0
[ 92.622067] type=1400 audit(1425901674.634:21): avc: denied { getattr } for pid=3784 comm="busybox" path="/dev/kmem" dev="tmpfs" ino=8956 scontext=u:r:init:s0 tcontext=u:object_r:kmem_device:s0 tclass=chr_file permissive=1
[ 92.753169] init: untracked pid 3780 exited with status 89
[ 92.797384] multirom: No need to update trampoline.
[ 92.846391] multirom: Loading kexec:
[ 92.846407] multirom: /data/media/0/multirom/kexec
[ 92.846416] multirom: --mem-min=0x20000000
[ 92.846426] multirom: --boardname=shamu
[ 92.846435] multirom: --load-hardboot
[ 92.846445] multirom: /zImage
[ 92.846453] multirom: --initrd=/initrd.img
[ 92.846464] multirom: --dtb
[ 92.846476] multirom: --command-line=console=null androidboot.hardware=shamu msm_rtb.filter=0x37 ehci-hcd.park=3 utags.blkdev=/dev/block/platform/msm_sdcc.1/by-name/utags utags.backup=/dev/block/platform/msm_sdcc.1/by-name/utagsBackup coherent_pool=8M vmalloc=400M androidboot.bootdevice=msm_sdcc.1 androidboot.serialno=ZX1G4295T7 androidboot.baseband=mdm androidboot.mode=normal androidboot.device=shamu androidboot.hwrev=0x83A0 androidboot.radio=0x7 androidboot.powerup_reason=0x00004000 androidboot.
[ 92.846489] multirom: bootreason=reboot androidboot.write_protect=0 restart.download_mode=0 androidboot.fsg-id= androidboot.secure_hardware=1 androidboot.cid=0xDE androidboot.wifimacaddr=F8:CF:C5:D7:4C:D3 androidboot.btmacaddr=F8:CF:C5:D7:4C:D2 mdss_mdp.panel=1:dsi:0:qcom,mdss_dsi_mot_smd_596_QHD_dualmipi0_cmd_v0 androidboot.bootloader=0x7105 androidboot.carrier= androidboot.hardware.sku=XT1100 mrom_kexecd=1
[ 92.944507] type=1400 audit(1425901674.954:22): avc: denied { syslog_read } for pid=3782 comm="multirom" scontext=u:r:init:s0 tcontext=u:r:kernel:s0 tclass=system permissive=1
[ 92.949654] multirom: MultiromSaysNextBootShouldBeSecondMagic108
[ 92.949667] multirom: Saving multirom status
[ 92.972965] init: untracked pid 3783 exited with status 0
[ 92.973342] SysRq : Emergency Remount R/O
[ 92.976418] EXT4-fs (mmcblk0p38): re-mounted. Opts: (null)
[ 92.980614] EXT4-fs (mmcblk0p26): re-mounted. Opts: (null)
[ 92.985943] EXT4-fs (dm-0): re-mounted. Opts: (null)
[ 92.990139] Emergency Remount complete
[ 93.081991] CFG80211-ERROR) wl_cfg80211_disconnect : Reason 3
[ 93.086620] dhd_prot_flow_ring_delete sending FLOW RING Delete req msglen 40
[ 93.086848] dhd_bus_flow_ring_delete_response :Flow Delete Response 41
[ 93.086927] CFG80211-ERROR) wl_is_linkdown : Link down Reason : WLC_E_LINK
[ 93.086944] link down if wlan0 may call cfg80211_disconnected. event : 16, reason=2 from c8:3a:35:10:7c:88
[ 93.089100] CFG80211-ERROR) wl_is_linkdown : Link down Reason : WLC_E_DEAUTH
[ 93.089627] CFG80211-ERROR) wl_is_linkdown : Link down Reason : WLC_E_DEAUTH
[ 93.090388] cfg80211: Calling CRDA for country: CN
[ 93.096568] wl_android_wifi_off in
[ 93.097488] dhd_bus_devreset: == Power OFF ==
[ 93.097845] dhd_dpc_kill: tasklet disabled
[ 93.172861] IRQ39 no longer affine to CPU2
[ 93.215166] msm_pcie_disable: msm_pcie_disable: PCIe: Assert the reset of endpoint of RC0.
[ 93.220062] dhd_bus_devreset: WLAN OFF Done
[ 93.220082] wifi_platform_set_power = 0
[ 93.220098] brcm_wlan_power Enter: power off
[ 93.224642] dhd_prot_ioctl : bus is down. we have nothing to do
[ 93.224668] dhd_ndo_remove_ip: ndo ip addr remove failed, retcode = -1
[ 93.224681] dhd_inet6_work_handler: Removing host ip for NDO failed -1
[ 93.226922] dhd_prot_ioctl : bus is down. we have nothing to do
[ 93.226949] CFG80211-ERROR) wl_cfgvendor_lstats_get_info : error (-1) - size = 44
[ 93.257305] dhd_ioctl_entry: Interface is down
[ 93.260342] dhd_prot_ioctl : bus is down. we have nothing to do
[ 93.260351] dhd_prot_ioctl : bus is down. we have nothing to do
[ 93.260359] dhd_aoe_hostip_clr failed code -1
[ 93.260366] aoe_update_host_ipv4_table failed
[ 93.292694] dhd_ioctl_entry: Interface is down
[ 93.295087] dhd_ioctl_entry: Interface is down
[ 93.377992]
[ 93.377992] Dongle Host Driver, version 1.201.31 (r)
[ 93.377992] Compiled in drivers/net/wireless/bcmdhd on Mar 6 2015 at 12:49:43
[ 93.378005] wl_android_wifi_on in
[ 93.378012] wifi_platform_set_power = 1
[ 93.378019] brcm_wlan_power Enter: power on
[ 93.547264] mdss_fb_release_all: try to close unopened fb 1! from kexec
[ 93.547455] mdss_fb_release_all: unknown process kexec pid=3782 mfd->ref=0
[ 93.584891] dhd_bus_devreset: == Power ON ==
[ 93.584939] msm_pcie_enable: msm_pcie_enable: PCIe: Assert the reset of endpoint of RC0.
[ 93.606532] msm_pcie_enable: msm_pcie_enable: PCIe RC0 PHY is ready!
[ 93.625051] msm_pcie_enable: msm_pcie_enable: PCIe: Release the reset of endpoint of RC0.
[ 93.654061] mdss_dsi_panel_off: ctrl=eb01f810 ndx=0
[ 93.656139] msm_pcie_enable: msm_pcie_enable: PCIe RC0 link initialized
[ 93.656559] dhd_bus_devreset: dhdpcie_bus_clock_start OK
[ 93.658841] DHD: dongle ram size is set to 786432(orig 786432) at 0x180000
[ 93.659864] dhdpcie_download_code_file: download firmware /vendor/firmware/fw_bcmdhd.bin
[ 93.748649] dhdpcie_bus_write_vars: Download, Upload and compare of NVRAM succeeded.
[ 93.796703] mdss_dsi_panel_off: ctrl=ea1a0010 ndx=1
[ 93.803032] mdss_mdp_mixer_free: called with ref_cnt=0
[ 93.805070] Starting new kernel
[ 93.805085] Disabling non-boot CPUs ...
[ 93.805241] BUG: scheduling while atomic: kexec/3782/0x00000002
[ 93.805261] CPU: 1 PID: 3782 Comm: kexec Tainted: G W 3.10.40-g15096bd-00002-g2a9d605 #2
[ 93.805327] [<c010c83c>] (unwind_backtrace+0x0/0x11c) from [<c0109c6c>] (show_stack+0x10/0x14)
[ 93.805371] [<c0109c6c>] (show_stack+0x10/0x14) from [<c0a26c10>] (__schedule_bug+0x44/0x60)
[ 93.805414] [<c0a26c10>] (__schedule_bug+0x44/0x60) from [<c0a2fa80>] (__schedule+0x70/0x77c)
[ 93.805434] [<c0a2fa80>] (__schedule+0x70/0x77c) from [<c0a2e3e8>] (schedule_timeout+0x28/0x26c)
[ 93.805455] [<c0a2e3e8>] (schedule_timeout+0x28/0x26c) from [<c0a2f8a0>] (wait_for_common+0x11c/0x164)
[ 93.805492] [<c0a2f8a0>] (wait_for_common+0x11c/0x164) from [<c017e5e0>] (flush_work+0xd4/0xfc)
[ 93.805517] [<c017e5e0>] (flush_work+0xd4/0xfc) from [<c0a245c8>] (workqueue_cpu_down_callback+0x80/0x9c)
[ 93.805549] [<c0a245c8>] (workqueue_cpu_down_callback+0x80/0x9c) from [<c01884a4>] (notifier_call_chain+0x40/0x68)
[ 93.805584] [<c01884a4>] (notifier_call_chain+0x40/0x68) from [<c0168014>] (__cpu_notify+0x28/0x44)
[ 93.805607] [<c0168014>] (__cpu_notify+0x28/0x44) from [<c0a1fe90>] (_cpu_down+0x74/0x2c0)
[ 93.805629] [<c0a1fe90>] (_cpu_down+0x74/0x2c0) from [<c01682cc>] (disable_nonboot_cpus+0x6c/0xec)
[ 93.805654] [<c01682cc>] (disable_nonboot_cpus+0x6c/0xec) from [<c01b3ff8>] (kernel_kexec+0x44/0x74)
[ 93.805676] [<c01b3ff8>] (kernel_kexec+0x44/0x74) from [<c0178910>] (SyS_reboot+0x174/0x1f4)
[ 93.805705] [<c0178910>] (SyS_reboot+0x174/0x1f4) from [<c0106240>] (ret_fast_syscall+0x0/0x30)
[ 93.806169] BUG: scheduling while atomic: kexec/3782/0x00000002
[ 93.806184] CPU: 1 PID: 3782 Comm: kexec Tainted: G W 3.10.40-g15096bd-00002-g2a9d605 #2
[ 93.806203] [<c010c83c>] (unwind_backtrace+0x0/0x11c) from [<c0109c6c>] (show_stack+0x10/0x14)
[ 93.806222] [<c0109c6c>] (show_stack+0x10/0x14) from [<c0a26c10>] (__schedule_bug+0x44/0x60)
[ 93.806243] [<c0a26c10>] (__schedule_bug+0x44/0x60) from [<c0a2fa80>] (__schedule+0x70/0x77c)
[ 93.806262] [<c0a2fa80>] (__schedule+0x70/0x77c) from [<c0a2e3e8>] (schedule_timeout+0x28/0x26c)
[ 93.806281] [<c0a2e3e8>] (schedule_timeout+0x28/0x26c) from [<c0a2f8a0>] (wait_for_common+0x11c/0x164)
[ 93.806310] [<c0a2f8a0>] (wait_for_common+0x11c/0x164) from [<c0183520>] (kthread_park+0x60/0x7c)
[ 93.806338] [<c0183520>] (kthread_park+0x60/0x7c) from [<c018ac1c>] (smpboot_park_threads+0x54/0x74)
[ 93.806358] [<c018ac1c>] (smpboot_park_threads+0x54/0x74) from [<c0a1fed0>] (_cpu_down+0xb4/0x2c0)
[ 93.806378] [<c0a1fed0>] (_cpu_down+0xb4/0x2c0) from [<c01682cc>] (disable_nonboot_cpus+0x6c/0xec)
[ 93.806395] [<c01682cc>] (disable_nonboot_cpus+0x6c/0xec) from [<c01b3ff8>] (kernel_kexec+0x44/0x74)
[ 93.806413] [<c01b3ff8>] (kernel_kexec+0x44/0x74) from [<c0178910>] (SyS_reboot+0x174/0x1f4)
[ 93.806431] [<c0178910>] (SyS_reboot+0x174/0x1f4) from [<c0106240>] (ret_fast_syscall+0x0/0x30)
[ 93.806517] BUG: scheduling while atomic: kexec/3782/0x00000002
[ 93.806530] CPU: 1 PID: 3782 Comm: kexec Tainted: G W 3.10.40-g15096bd-00002-g2a9d605 #2
[ 93.806549] [<c010c83c>] (unwind_backtrace+0x0/0x11c) from [<c0109c6c>] (show_stack+0x10/0x14)
[ 93.806567] [<c0109c6c>] (show_stack+0x10/0x14) from [<c0a26c10>] (__schedule_bug+0x44/0x60)
[ 93.806587] [<c0a26c10>] (__schedule_bug+0x44/0x60) from [<c0a2fa80>] (__schedule+0x70/0x77c)
[ 93.806606] [<c0a2fa80>] (__schedule+0x70/0x77c) from [<c0a2e3e8>] (schedule_timeout+0x28/0x26c)
[ 93.806626] [<c0a2e3e8>] (schedule_timeout+0x28/0x26c) from [<c0a2f8a0>] (wait_for_common+0x11c/0x164)
[ 93.806656] [<c0a2f8a0>] (wait_for_common+0x11c/0x164) from [<c01ba530>] (__stop_cpus+0x48/0x60)
[ 93.806678] [<c01ba530>] (__stop_cpus+0x48/0x60) from [<c01ba8a8>] (stop_cpus+0x2c/0x44)
[ 93.806699] [<c01ba8a8>] (stop_cpus+0x2c/0x44) from [<c01ba9c8>] (__stop_machine+0xb8/0xd4)
[ 93.806719] [<c01ba9c8>] (__stop_machine+0xb8/0xd4) from [<c0a1fef4>] (_cpu_down+0xd8/0x2c0)
[ 93.806740] [<c0a1fef4>] (_cpu_down+0xd8/0x2c0) from [<c01682cc>] (disable_nonboot_cpus+0x6c/0xec)
[ 93.806757] [<c01682cc>] (disable_nonboot_cpus+0x6c/0xec) from [<c01b3ff8>] (kernel_kexec+0x44/0x74)
[ 93.806776] [<c01b3ff8>] (kernel_kexec+0x44/0x74) from [<c0178910>] (SyS_reboot+0x174/0x1f4)
[ 93.806794] [<c0178910>] (SyS_reboot+0x174/0x1f4) from [<c0106240>] (ret_fast_syscall+0x0/0x30)
[ 93.809304] PCIe shared addr read took 56383 usec before dongle is ready
[ 93.809337] DMA RX offset from shared Area 0
[ 93.809345] bus->txmode_push is set to 0
[ 93.809372] ring_info_raw: 56
[ 93.809382] e8 96 23 00 b8 99 23 00 60 9a 23 00 08 9b 23 00
[ 93.809477] 14 9b 23 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 93.809569] 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[ 93.809662] 00 00 00 00 2a 00 00 00
[ 93.809712] max H2D queues 42
[ 93.810056] dhd_bus_start: Initializing 42 flowrings
[ 93.810415] dhd_bus_cmn_writeshared:
[ 93.810428] 0000: 00 60 40 2b 00 00 00 00
[ 93.810438] dhd_bus_cmn_writeshared:
[ 93.810448] 0000: 00 80 40 2b 00 00 00 00
[ 93.810458] dhd_bus_cmn_writeshared:
[ 93.810467] 0000: 00 c0 40 2b 00 00 00 00
[ 93.810603] dhd_bus_cmn_writeshared:
[ 93.810613] 0000: 00 a0 40 2b 00 00 00 00
[ 93.810622] dhd_bus_cmn_writeshared:
[ 93.810632] 0000: 00 90 40 2b 00 00 00 00
[ 93.810642] dhd_bus_cmn_writeshared:
[ 93.810651] 0000: 00 30 41 2b
[ 93.810660] dhd_bus_cmn_writeshared:
[ 93.810669] 0000: 08 00 00 00
[ 93.812344] IRQ200 no longer affine to CPU1
[ 93.812364] IRQ203 no longer affine to CPU1
[ 93.816168] BUG: scheduling while atomic: kexec/3782/0x00000002
[ 93.816187] CPU: 0 PID: 3782 Comm: kexec Tainted: G W 3.10.40-g15096bd-00002-g2a9d605 #2
[ 93.816209] [<c010c83c>] (unwind_backtrace+0x0/0x11c) from [<c0109c6c>] (show_stack+0x10/0x14)
[ 93.816230] [<c0109c6c>] (show_stack+0x10/0x14) from [<c0a26c10>] (__schedule_bug+0x44/0x60)
[ 93.816250] [<c0a26c10>] (__schedule_bug+0x44/0x60) from [<c0a2fa80>] (__schedule+0x70/0x77c)
[ 93.816269] [<c0a2fa80>] (__schedule+0x70/0x77c) from [<c0167fe0>] (cpu_hotplug_begin+0x50/0x5c)
[ 93.816289] [<c0167fe0>] (cpu_hotplug_begin+0x50/0x5c) from [<c0a1fe7c>] (_cpu_down+0x60/0x2c0)
[ 93.816310] [<c0a1fe7c>] (_cpu_down+0x60/0x2c0) from [<c01682cc>] (disable_nonboot_cpus+0x6c/0xec)
[ 93.816328] [<c01682cc>] (disable_nonboot_cpus+0x6c/0xec) from [<c01b3ff8>] (kernel_kexec+0x44/0x74)
[ 93.816345] [<c01b3ff8>] (kernel_kexec+0x44/0x74) from [<c0178910>] (SyS_reboot+0x174/0x1f4)
[ 93.816362] [<c0178910>] (SyS_reboot+0x174/0x1f4) from [<c0106240>] (ret_fast_syscall+0x0/0x30)
[ 93.816710] BUG: scheduling while atomic: kexec/3782/0x00000002
[ 93.816726] CPU: 0 PID: 3782 Comm: kexec Tainted: G W 3.10.40-g15096bd-00002-g2a9d605 #2
[ 93.816745] [<c010c83c>] (unwind_backtrace+0x0/0x11c) from [<c0109c6c>] (show_stack+0x10/0x14)
[ 93.816764] [<c0109c6c>] (show_stack+0x10/0x14) from [<c0a26c10>] (__schedule_bug+0x44/0x60)
[ 93.816785] [<c0a26c10>] (__schedule_bug+0x44/0x60) from [<c0a2fa80>] (__schedule+0x70/0x77c)
[ 93.816803] [<c0a2fa80>] (__schedule+0x70/0x77c) from [<c0a2e3e8>] (schedule_timeout+0x28/0x26c)
[ 93.816820] [<c0a2e3e8>] (schedule_timeout+0x28/0x26c) from [<c0a2f8a0>] (wait_for_common+0x11c/0x164)
[ 93.816839] [<c0a2f8a0>] (wait_for_common+0x11c/0x164) from [<c017e5e0>] (flush_work+0xd4/0xfc)
[ 93.816858] [<c017e5e0>] (flush_work+0xd4/0xfc) from [<c0a245c8>] (workqueue_cpu_down_callback+0x80/0x9c)
[ 93.816879] [<c0a245c8>] (workqueue_cpu_down_callback+0x80/0x9c) from [<c01884a4>] (notifier_call_chain+0x40/0x68)
[ 93.816899] [<c01884a4>] (notifier_call_chain+0x40/0x68) from [<c0168014>] (__cpu_notify+0x28/0x44)
[ 93.816917] [<c0168014>] (__cpu_notify+0x28/0x44) from [<c0a1fe90>] (_cpu_down+0x74/0x2c0)
[ 93.816934] [<c0a1fe90>] (_cpu_down+0x74/0x2c0) from [<c01682cc>] (disable_nonboot_cpus+0x6c/0xec)
[ 93.816952] [<c01682cc>] (disable_nonboot_cpus+0x6c/0xec) from [<c01b3ff8>] (kernel_kexec+0x44/0x74)
[ 93.816971] [<c01b3ff8>] (kernel_kexec+0x44/0x74) from [<c0178910>] (SyS_reboot+0x174/0x1f4)
[ 93.816990] [<c0178910>] (SyS_reboot+0x174/0x1f4) from [<c0106240>] (ret_fast_syscall+0x0/0x30)
[ 93.817167] BUG: scheduling while atomic: kexec/3782/0x00000002
[ 93.817181] CPU: 0 PID: 3782 Comm: kexec Tainted: G W 3.10.40-g15096bd-00002-g2a9d605 #2
[ 93.817199] [<c010c83c>] (unwind_backtrace+0x0/0x11c) from [<c0109c6c>] (show_stack+0x10/0x14)
[ 93.817217] [<c0109c6c>] (show_stack+0x10/0x14) from [<c0a26c10>] (__schedule_bug+0x44/0x60)
[ 93.817236] [<c0a26c10>] (__schedule_bug+0x44/0x60) from [<c0a2fa80>] (__schedule+0x70/0x77c)
[ 93.817254] [<c0a2fa80>] (__schedule+0x70/0x77c) from [<c0a2e3e8>] (schedule_timeout+0x28/0x26c)
[ 93.817271] [<c0a2e3e8>] (schedule_timeout+0x28/0x26c) from [<c0a2f8a0>] (wait_for_common+0x11c/0x164)
[ 93.817292] [<c0a2f8a0>] (wait_for_common+0x11c/0x164) from [<c0183520>] (kthread_park+0x60/0x7c)
[ 93.817312] [<c0183520>] (kthread_park+0x60/0x7c) from [<c018ac1c>] (smpboot_park_threads+0x54/0x74)
[ 93.817332] [<c018ac1c>] (smpboot_park_threads+0x54/0x74) from [<c0a1fed0>] (_cpu_down+0xb4/0x2c0)
[ 93.817352] [<c0a1fed0>] (_cpu_down+0xb4/0x2c0) from [<c01682cc>] (disable_nonboot_cpus+0x6c/0xec)
[ 93.817369] [<c01682cc>] (disable_nonboot_cpus+0x6c/0xec) from [<c01b3ff8>] (kernel_kexec+0x44/0x74)
[ 93.817386] [<c01b3ff8>] (kernel_kexec+0x44/0x74) from [<c0178910>] (SyS_reboot+0x174/0x1f4)
[ 93.817404] [<c0178910>] (SyS_reboot+0x174/0x1f4) from [<c0106240>] (ret_fast_syscall+0x0/0x30)
[ 93.817438] BUG: scheduling while atomic: kexec/3782/0x00000002
[ 93.817452] CPU: 0 PID: 3782 Comm: kexec Tainted: G W 3.10.40-g15096bd-00002-g2a9d605 #2
[ 93.817470] [<c010c83c>] (unwind_backtrace+0x0/0x11c) from [<c0109c6c>] (show_stack+0x10/0x14)
[ 93.817490] [<c0109c6c>] (show_stack+0x10/0x14) from [<c0a26c10>] (__schedule_bug+0x44/0x60)
[ 93.817510] [<c0a26c10>] (__schedule_bug+0x44/0x60) from [<c0a2fa80>] (__schedule+0x70/0x77c)
[ 93.817529] [<c0a2fa80>] (__schedule+0x70/0x77c) from [<c0a2e3e8>] (schedule_timeout+0x28/0x26c)
[ 93.817548] [<c0a2e3e8>] (schedule_timeout+0x28/0x26c) from [<c0a2f8a0>] (wait_for_common+0x11c/0x164)
[ 93.817566] [<c0a2f8a0>] (wait_for_common+0x11c/0x164) from [<c01ba530>] (__stop_cpus+0x48/0x60)
[ 93.817584] [<c01ba530>] (__stop_cpus+0x48/0x60) from [<c01ba8a8>] (stop_cpus+0x2c/0x44)
[ 93.817602] [<c01ba8a8>] (stop_cpus+0x2c/0x44) from [<c01ba9c8>] (__stop_machine+0xb8/0xd4)
[ 93.817620] [<c01ba9c8>] (__stop_machine+0xb8/0xd4) from [<c0a1fef4>] (_cpu_down+0xd8/0x2c0)
[ 93.817638] [<c0a1fef4>] (_cpu_down+0xd8/0x2c0) from [<c01682cc>] (disable_nonboot_cpus+0x6c/0xec)
[ 93.817655] [<c01682cc>] (disable_nonboot_cpus+0x6c/0xec) from [<c01b3ff8>] (kernel_kexec+0x44/0x74)
[ 93.817672] [<c01b3ff8>] (kernel_kexec+0x44/0x74) from [<c0178910>] (SyS_reboot+0x174/0x1f4)
[ 93.817689] [<c0178910>] (SyS_reboot+0x174/0x1f4) from [<c0106240>] (ret_fast_syscall+0x0/0x30)
[ 93.817736] IRQ39 no longer affine to CPU2
[ 93.819113] BUG: scheduling while atomic: kexec/3782/0x00000002
[ 93.819128] CPU: 0 PID: 3782 Comm: kexec Tainted: G W 3.10.40-g15096bd-00002-g2a9d605 #2
[ 93.819147] [<c010c83c>] (unwind_backtrace+0x0/0x11c) from [<c0109c6c>] (show_stack+0x10/0x14)
[ 93.819170] [<c0109c6c>] (show_stack+0x10/0x14) from [<c0a26c10>] (__schedule_bug+0x44/0x60)
[ 93.819191] [<c0a26c10>] (__schedule_bug+0x44/0x60) from [<c0a2fa80>] (__schedule+0x70/0x77c)
[ 93.819210] [<c0a2fa80>] (__schedule+0x70/0x77c) from [<c0a2e3e8>] (schedule_timeout+0x28/0x26c)
[ 93.819229] [<c0a2e3e8>] (schedule_timeout+0x28/0x26c) from [<c0a2f8a0>] (wait_for_common+0x11c/0x164)
[ 93.819334] [<c0a2f8a0>] (wait_for_common+0x11c/0x164) from [<c014a5b0>] (msm_rpm_wait_for_ack+0x54/0x108)
[ 93.819373] [<c014a5b0>] (msm_rpm_wait_for_ack+0x54/0x108) from [<c041db38>] (rpm_vreg_send_request+0x44/0xa0)
[ 93.819397] [<c041db38>] (rpm_vreg_send_request+0x44/0xa0) from [<c041df78>] (rpm_vreg_aggregate_requests+0x1a0/0x2cc)
[ 93.819417] [<c041df78>] (rpm_vreg_aggregate_requests+0x1a0/0x2cc) from [<c041e644>] (rpm_vreg_set_voltage_corner+0x128/0x198)
[ 93.819437] [<c041e644>] (rpm_vreg_set_voltage_corner+0x128/0x198) from [<c0419700>] (_regulator_do_set_voltage+0x128/0x3e8)
[ 93.819457] [<c0419700>] (_regulator_do_set_voltage+0x128/0x3e8) from [<c0419a7c>] (regulator_set_voltage+0xbc/0xec)
[ 93.819488] [<c0419a7c>] (regulator_set_voltage+0xbc/0xec) from [<c07b9e84>] (update_vdd+0xe0/0x2b8)
[ 93.819512] [<c07b9e84>] (update_vdd+0xe0/0x2b8) from [<c07ba1b8>] (unvote_vdd_level+0x60/0x98)
[ 93.819532] [<c07ba1b8>] (unvote_vdd_level+0x60/0x98) from [<c07bab7c>] (clk_set_rate+0x18c/0x1f4)
[ 93.819565] [<c07bab7c>] (clk_set_rate+0x18c/0x1f4) from [<c0705460>] (update_l2_bw+0x8c/0xdc)
[ 93.819647] [<c0705460>] (update_l2_bw+0x8c/0xdc) from [<c0705a78>] (msm_cpufreq_cpu_callback+0xd4/0x124)
[ 93.819667] [<c0705a78>] (msm_cpufreq_cpu_callback+0xd4/0x124) from [<c01884a4>] (notifier_call_chain+0x40/0x68)
[ 93.819687] [<c01884a4>] (notifier_call_chain+0x40/0x68) from [<c0168014>] (__cpu_notify+0x28/0x44)
[ 93.819706] [<c0168014>] (__cpu_notify+0x28/0x44) from [<c0168044>] (cpu_notify_nofail+0x8/0x14)
[ 93.819726] [<c0168044>] (cpu_notify_nofail+0x8/0x14) from [<c0a1ff54>] (_cpu_down+0x138/0x2c0)
[ 93.819745] [<c0a1ff54>] (_cpu_down+0x138/0x2c0) from [<c01682cc>] (disable_nonboot_cpus+0x6c/0xec)
[ 93.819765] [<c01682cc>] (disable_nonboot_cpus+0x6c/0xec) from [<c01b3ff8>] (kernel_kexec+0x44/0x74)
[ 93.819782] [<c01b3ff8>] (kernel_kexec+0x44/0x74) from [<c0178910>] (SyS_reboot+0x174/0x1f4)
[ 93.819802] [<c0178910>] (SyS_reboot+0x174/0x1f4) from [<c0106240>] (ret_fast_syscall+0x0/0x30)
[ 93.820348] Bye!

BTW, serial console via headphones jack also works on Nexus 6, that's what I used most of the time. You just have to build/get the HW and forcefully enable the console in kernel, since whoever made the bootloader for Nexus 6 was a very evil kind of person.