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Message-ID: <6c073f86-ab71-0a8f-7b9a-91d5ae5da214@itcare.pl> Date: Wed, 20 Sep 2017 12:21:30 +0200 From: Paweł Staszewski <pstaszewski@...are.pl> To: Eric Dumazet <eric.dumazet@...il.com> Cc: Linux Kernel Network Developers <netdev@...r.kernel.org> Subject: Re: Latest net-next from GIT panic Ok kernel crashed with different panic that i didnt catch when i was doing bisect and now my bisection is broken :) git bisect good Bisecting: 1787 revisions left to test after this (roughly 11 steps) error: Your local changes to the following files would be overwritten by checkout: Documentation/00-INDEX Documentation/ABI/stable/sysfs-class-udc Documentation/ABI/testing/configfs-usb-gadget-uac1 Documentation/ABI/testing/ima_policy Documentation/ABI/testing/sysfs-bus-iio Documentation/ABI/testing/sysfs-bus-iio-meas-spec Documentation/ABI/testing/sysfs-bus-iio-timer-stm32 Documentation/ABI/testing/sysfs-class-net Documentation/ABI/testing/sysfs-class-power-twl4030 Documentation/ABI/testing/sysfs-class-typec Documentation/DMA-API.txt Documentation/IRQ-domain.txt Documentation/Makefile Documentation/PCI/MSI-HOWTO.txt Documentation/RCU/00-INDEX Documentation/RCU/Design/Requirements/Requirements.html Documentation/RCU/checklist.txt Documentation/admin-guide/README.rst Documentation/admin-guide/devices.txt Documentation/admin-guide/index.rst Documentation/admin-guide/kernel-parameters.txt Documentation/admin-guide/pm/cpufreq.rst Documentation/admin-guide/pm/intel_pstate.rst Documentation/admin-guide/ras.rst Documentation/arm/Atmel/README Documentation/block/biodoc.txt Documentation/conf.py Documentation/core-api/assoc_array.rst Documentation/core-api/atomic_ops.rst Documentation/core-api/index.rst Documentation/crypto/asymmetric-keys.txt Documentation/dev-tools/index.rst Documentation/dev-tools/sparse.rst Documentation/devicetree/bindings/arm/amlogic.txt Documentation/devicetree/bindings/arm/atmel-at91.txt Documentation/devicetree/bindings/arm/ccn.txt Documentation/devicetree/bindings/arm/cpus.txt Documentation/devicetree/bindings/arm/gemini.txt Documentation/devicetree/bindings/arm/hisilicon/hisilicon.txt Documentation/devicetree/bindings/arm/keystone/keystone.txt Documentation/devicetree/bindings/arm/mediatek.txt Documentation/devicetree/bindings/arm/rockchip.txt Documentation/devicetree/bindings/arm/shmobile.txt Documentation/devicetree/bindings/arm/tegra.txt Documentation/devicetree/bindings/ata/ahci-fsl-qoriq.txt Documentation/devicetree/bindings/bus/brcm,gisb-arb.txt Documentation/devicetree/bindings/clock/brcm,iproc-clocks.txt Documentation/devicetree/bindings/cpufreq/ti-cpufreq.txt Documentation/devicetree/bindings/gpio/gpio_atmel.txt Documentation/devicetree/bindings/iio/adc/amlogic,meson-saradc.txt Documentation/devicetree/bindings/iio/adc/renesas,gyroadc.txt Documentation/devicetree/bindings/iio/adc/st,stm32-adc.txt Documentation/devicetree/bindings/iio/imu/st_lsm6dsx.txt Documentation/devicetree/bindings/interrupt-controller/allwinner,sunxi-nmi.txt Documentation/devicetree/bindings/interrupt-controller/aspeed,ast2400-vic.txt Documentation/devicetree/bindings/interrupt-controller/mediatek,sysirq.txt Documentation/devicetree/bindings/leds/common.txt Documentation/devicetree/bindings/mfd/hi6421.txt Documentation/devicetree/bindings/mfd/tps65910.txt Documentation/devicetree/bindings/mmc/fsl-esdhc.txt Documentation/devicetree/bindings/mmc/k3-dw-mshc.txt Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.txt Documentation/devicetree/bindings/mmc/ti-omap-hsmmc.txt Documentation/devicetree/bindings/mtd/atmel-nand.txt Documentation/devicetree/bindings/net/dsa/b53.txt Documentation/devicetree/bindings/net/ethernet.txt Documentation/devicetree/bindings/net/macb.txt Documentation/devicetree/bindings/net/marvell-orion-mdio.txt Documentation/devicetree/bindings/net/ti,wilink-st.txt Documentation/devicetree/bindings/net/wireless/ti,wlcore.txt Documentation/devicetree/bindings/nvmem/rockchip-efuse.txt Documentation/devicetree/bindings/opp/opp.txt Documentation/devicetree/bindings/phy/bcm-ns-usb3-phy.txt Documentation/devicetree/bindings/phy/brcm-sata-phy.txt Documentation/devicetree/bindings/phy/meson8b-usb2-phy.txt Documentation/devicetree/bindings/phy/phy-rockchip-inno-usb2.txt Documentation/devicetree/bindings/power/rockchip-io-domain.txt Documentation/devicetree/bindings/power/supply/bq27xxx.txt Documentation/devicetree/bindings/property-units.txt Documentation/devicetree/bindings/regulator/regulator.txt Documentation/devicetree/bindings/serial/8 error: The following untracked working tree files would be overwritten by checkout: Documentation/ABI/testing/sysfs-class-net-phydev Documentation/DocBook/.gitignore Documentation/DocBook/Makefile Documentation/DocBook/filesystems.tmpl Documentation/DocBook/kernel-hacking.tmpl Documentation/DocBook/kernel-locking.tmpl Documentation/DocBook/kgdb.tmpl Documentation/DocBook/libata.tmpl Documentation/DocBook/librs.tmpl Documentation/DocBook/lsm.tmpl Documentation/DocBook/mtdnand.tmpl Documentation/DocBook/networking.tmpl Documentation/DocBook/rapidio.tmpl Documentation/DocBook/s390-drivers.tmpl Documentation/DocBook/scsi.tmpl Documentation/DocBook/sh.tmpl Documentation/DocBook/stylesheet.xsl Documentation/DocBook/w1.tmpl Documentation/DocBook/z8530book.tmpl Documentation/Makefile.sphinx Documentation/RCU/trace.txt Documentation/devicetree/bindings/i2c/i2c-mt6577.txt Documentation/devicetree/bindings/misc/allwinner,syscon.txt Documentation/devicetree/bindings/net/cortina.txt Documentation/devicetree/bindings/net/dsa/ksz.txt Documentation/devicetree/bindings/net/dwmac-sun8i.txt Documentation/devicetree/bindings/net/qca,qca7000.txt Documentation/devicetree/bindings/power/max8903-charger.txt Documentation/devicetree/bindings/power_supply/maxim,max14656.txt Documentation/devicetree/bindings/ptp/brcm,ptp-dte.txt Documentation/devicetree/bindings/timer/moxa,moxart-timer.txt Documentation/doc-guide/docbook.rst Documentation/networking/tls.txt Documentation/prctl/no_new_privs.txt Documentation/prctl/seccomp_filter.txt Documentation/security/00-INDEX Documentation/security/IMA-templates.txt Documentation/security/LSM.txt Documentation/security/LoadPin.txt Documentation/security/SELinux.txt Documentation/security/Smack.txt Documentation/security/Yama.txt Documentation/security/apparmor.txt Documentation/security/conf.py Documentation/security/credentials.txt Documentation/security/keys-ecryptfs.txt Documentation/security/keys-request-key.txt Documentation/security/keys-trusted-encrypted.txt Documentation/security/keys.txt Documentation/security/self-protection.txt Documentation/security/tomoyo.txt Documentation/sphinx/convert_template.sed Documentation/sphinx/post_convert.sed Documentation/sphinx/tmplcvt Documentation/usb/typec.rst Documentation/usb/usb3-debug-port.rst arch/arm/boot/dts/rk1108-evb.dts arch/arm/boot/dts/rk1108.dtsi arch/arm/boot/dts/tegra20-whistler.dts arch/arm/mach-omap2/opp.c arch/arm/mach-omap2/pmu.c arch/ia64/include/asm/siginfo.h arch/m32r/include/uapi/asm/siginfo.h arch/microblaze/include/asm/bitops.h arch/microblaze/include/asm/bug.h arch/microblaze/include/asm/bugs.h arch/microblaze/include/asm/div64.h arch/microblaze/include/asm/emergency-restart.h arch/microblaze/include/asm/fb.h arch/microblaze/include/asm/hardirq.h arch/microblaze/include/asm/irq_regs.h arch/microblaze/include/asm/kdebug.h arch/microblaze/include/asm/kmap_types.h arch/microblaze/include/asm/linkage.h arch/microblaze/include/asm/local.h arch/microblaze/include/asm/local64.h arch/microblaze/include/asm/parport.h arch/microblaze/include/asm/percpu.h arch/microblaze/include/asm/serial.h arch/microblaze/include/asm/shmparam.h arch/microblaze/include/asm/topology.h arch/microblaze/include/asm/ucontext.h arch/microblaze/include/asm/vga.h arch/microblaze/include/asm/xor.h arch/microblaze/include/uapi/asm/bitsperlong.h arch/microblaze/include/uapi/asm/errno.h arch/microblaze/include/uapi/asm/fcntl.h arch/microblaze/include/uapi/asm/ioctl.h arch/microblaze/include/uapi/asm/ioctls.h arch/microblaze/include/uapi/asm/ipcbuf.h arch/microblaze/include/uapi/asm/kvm_para.h arch/microblaze/include/uapi/asm/mman.h arch/microblaze/include/uapi/asm/msgbuf.h arch/microblaze/include/uapi/asm/param.h arch/microblaze/include/uapi/asm/poll.h arch/microblaze/include/uapi/asm/resource.h arch/microblaze/include/uapi/asm/sembuf.h arch/microblaze/include/uapi/asm/shmbuf.h arch/microblaze/include/uapi/asm/siginfo.h arch/microblaze/include/uapi/asm/signal.h arch/microblaze/includ Aborting W dniu 2017-09-20 o 11:45, Paweł Staszewski pisze: > Ok looks like ending bisection > > > Latest bisected kernel when there is no kernel panic 4.12.0+ (from > next) - but only this warning: > > [ 309.030019] NETDEV WATCHDOG: enp4s0f0 (ixgbe): transmit queue 0 > timed out > [ 309.030034] ------------[ cut here ]------------ > [ 309.030040] WARNING: CPU: 35 PID: 0 at dev_watchdog+0xcf/0x139 > [ 309.030041] Modules linked in: bonding ipmi_si x86_pkg_temp_thermal > [ 309.030045] CPU: 35 PID: 0 Comm: swapper/35 Not tainted 4.12.0+ #5 > [ 309.030046] task: ffff88086d98a000 task.stack: ffffc90003378000 > [ 309.030048] RIP: 0010:dev_watchdog+0xcf/0x139 > [ 309.030049] RSP: 0018:ffff88087fbc3ea8 EFLAGS: 00010246 > [ 309.030050] RAX: 000000000000003d RBX: ffff88046b680000 RCX: > 0000000000000000 > [ 309.030050] RDX: ffff88087fbd2f01 RSI: 0000000000000000 RDI: > ffff88087fbcda08 > [ 309.030051] RBP: ffff88087fbc3eb8 R08: 0000000000000000 R09: > ffff88087ff80a04 > [ 309.030051] R10: 0000000000000000 R11: ffff88086d98a001 R12: > 0000000000000000 > [ 309.030052] R13: ffff88087fbc3ef8 R14: ffff88086d98a000 R15: > ffffffff81c06008 > [ 309.030053] FS: 0000000000000000(0000) GS:ffff88087fbc0000(0000) > knlGS:0000000000000000 > [ 309.030054] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 > [ 309.030054] CR2: 00007fba600f6098 CR3: 000000086b955000 CR4: > 00000000001406e0 > [ 309.030055] Call Trace: > [ 309.030057] <IRQ> > [ 309.030059] ? netif_tx_lock+0x79/0x79 > [ 309.030062] call_timer_fn.isra.24+0x17/0x77 > [ 309.030063] run_timer_softirq+0x118/0x161 > [ 309.030065] ? netif_tx_lock+0x79/0x79 > [ 309.030066] ? ktime_get+0x2b/0x42 > [ 309.030070] ? lapic_next_deadline+0x21/0x27 > [ 309.030073] ? clockevents_program_event+0xa8/0xc5 > [ 309.030076] __do_softirq+0xa8/0x19d > [ 309.030078] irq_exit+0x5d/0x6b > [ 309.030079] smp_apic_timer_interrupt+0x2a/0x36 > [ 309.030082] apic_timer_interrupt+0x89/0x90 > [ 309.030085] RIP: 0010:mwait_idle+0x4e/0x6a > [ 309.030086] RSP: 0018:ffffc9000337be98 EFLAGS: 00000246 ORIG_RAX: > ffffffffffffff10 > [ 309.030087] RAX: 0000000000000000 RBX: 0000000000000000 RCX: > 0000000000000000 > [ 309.030087] RDX: 0000000000000000 RSI: 0000000000000000 RDI: > ffff88086d98a000 > [ 309.030088] RBP: ffffc9000337be98 R08: ffff88046f8279a0 R09: > ffff88046f827040 > [ 309.030089] R10: ffff88086d98a000 R11: ffff88086d98a000 R12: > 0000000000000000 > [ 309.030089] R13: ffff88086d98a000 R14: ffff88086d98a000 R15: > ffff88086d98a000 > [ 309.030090] </IRQ> > [ 309.030094] arch_cpu_idle+0xa/0xc > [ 309.030095] default_idle_call+0x19/0x1b > [ 309.030102] do_idle+0xbc/0x196 > [ 309.030104] cpu_startup_entry+0x1d/0x20 > [ 309.030105] start_secondary+0xd8/0xdc > [ 309.030108] secondary_startup_64+0x9f/0x9f > [ 309.030109] Code: cc 75 bd eb 35 48 89 df c6 05 c3 dc 74 00 01 e8 > 3a 62 fe ff 44 89 e1 48 89 de 48 89 c2 48 c7 c7 0f 65 a4 81 31 c0 e8 > 3d 4c b5 ff <0f> ff 48 8b 83 e0 01 00 00 48 89 df ff 50 78 48 8b 05 a0 > bc 6a > [ 309.030128] ---[ end trace 9102cb25703ae2d9 ]--- > > > I just marked it as good - cause this problem above is differend - and > im going to: > > git bisect good > Bisecting: 1787 revisions left to test after this (roughly 11 steps) > > > > > W dniu 2017-09-20 o 10:44, Paweł Staszewski pisze: >> Trying to make video from ipmi :) >> >> with that results: >> >> https://bugzilla.kernel.org/attachment.cgi?id=258521 >> >> catched two more lines where it starts - panic from 4.13.2. >> >> >> Now will try tro do some bisection >> >> >> >> W dniu 2017-09-20 o 09:58, Paweł Staszewski pisze: >>> Hi >>> >>> >>> Will try bisecting tonight >>> >>> >>> >>> W dniu 2017-09-20 o 05:24, Eric Dumazet pisze: >>>> On Wed, 2017-09-20 at 02:06 +0200, Paweł Staszewski wrote: >>>>> Just checked kernel 4.13.2 and same problem >>>>> >>>>> Just after start all 6 bgp sessions - and kernel starts to learn >>>>> routes >>>>> it panic. >>>>> >>>>> https://bugzilla.kernel.org/attachment.cgi?id=258509 >>>>> >>>> >>>> Unfortunately we have not enough information from these traces. >>>> >>>> Can you get a full stack trace ? >>>> >>>> Alternatively, can you bisect ? >>>> >>>> Thanks. >>>> >>>> >>>> >>> >>> >> >> > >
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