W dniu 16.09.2016 o 13:24, Kent Overstreet pisze: > addr2line -i -e vmlinux ffffffffc095b021 # addr2line -i -e vmlinux ffffffffc095b021 ??:0 bcache is compiled as a module at this host:( I recompiled kernel and build bcache inside kernel. I'm getting now much more: > [ 172.035755] Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: ffffffff814883d1 [24/212] > [ 172.035755] > [ 172.035789] CPU: 1 PID: 3949 Comm: rsync Tainted: P O 4.7.0-bcache+ #3 > [ 172.035804] Hardware name: . . /IP35 Pro XE(Intel P35-ICH9R), BIOS 6.00 PG 09/09/2008 > [ 172.035814] 0000000000000086 0000000058043aa7 ffff8800bd39bae0 ffffffff812cbe2d > [ 172.035837] ffffffff8178a260 ffff8800bd39bb78 ffff8800bd39bb68 ffffffff81128a91 > [ 172.035861] ffff880000000010 ffff8800bd39bb78 ffff8800bd39bb10 0000000058043aa7 > [ 172.035883] Call Trace: > [ 172.035895] [<ffffffff812cbe2d>] dump_stack+0x4f/0x72 > [ 172.035905] [<ffffffff81128a91>] panic+0xd3/0x219 > [ 172.035914] [<ffffffff812942a4>] ? sha1_final+0x94/0x110 > [ 172.035924] [<ffffffff814883d1>] ? bch_xattr_hash+0x2b1/0x2d0 > [ 172.035934] [<ffffffff81058f24>] __stack_chk_fail+0x14/0x30 > [ 172.035942] [<ffffffff814883d1>] bch_xattr_hash+0x2b1/0x2d0 > [ 172.035950] [<ffffffff81488459>] xattr_hash_key+0x9/0x10 > [ 172.035960] [<ffffffff814884e4>] ? bch_xattr_get+0x84/0x1a0 > [ 172.035969] [<ffffffff8145cd69>] ? __bch_write_inode+0x289/0x2d0 > [ 172.035978] [<ffffffff81435438>] ? bch_get_acl+0x48/0x2b0 > [ 172.035988] [<ffffffff811ee9c1>] ? get_acl+0x71/0xf0 > [ 172.035996] [<ffffffff811eea8a>] ? posix_acl_chmod+0x4a/0xe0 > [ 172.036005] [<ffffffff8145d13f>] ? bch_setattr+0x7f/0xa0 > [ 172.036015] [<ffffffff811ac98e>] ? notify_change+0x23e/0x350 > [ 172.036024] [<ffffffff8118c6a9>] ? chmod_common+0x89/0x140 > [ 172.036033] [<ffffffff8118d991>] ? SyS_fchmod+0x31/0x50 > [ 172.036042] [<ffffffff815d0c1f>] ? entry_SYSCALL_64_fastpath+0x17/0x93 > [ 172.036062] Kernel Offset: disabled > [ 172.036071] ---[ end Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: ffffffff814883d1 > [ 172.036071] > [ 172.036088] ------------[ cut here ]------------ > [ 172.036114] WARNING: CPU: 1 PID: 3949 at arch/x86/kernel/smp.c:125 native_smp_send_reschedule+0x39/0x40 > [ 172.037526] Modules linked in: netconsole configfs tun dm_snapshot dm_bufio mousedev pci_stub nouveau vboxpci(O) vboxnetadp(O) vboxnetflt(O) fbcon bitblit wmi softcursor font video t > tm drm_kms_helper syscopyarea sysfillrect sysimgblt vboxdrv(O) fb_sys_fops drm nvidiafb cfbfillrect cfbimgblt vgastate cfbcopyarea i2c_algo_bit backlight fb_ddc fb coretemp hwmon fbdev > snd_hda_codec_realtek snd_hda_codec_generic kvm_intel kvm snd_hda_intel snd_hda_codec irqbypass psmouse snd_hda_core snd_pcm evdev r8169 i2c_i801 snd_timer intel_agp mii acpi_cpufreq in > tel_gtt 8250 snd thermal agpgart soundcore processor 8250_base shpchp serial_core lpc_ich button mfd_core zfs(PO) zunicode(PO) sr_mod cdrom pata_acpi zcommon(PO) znvpair(PO) spl(O) zavl > (PO) pata_jmicron > [ 172.040086] CPU: 1 PID: 3949 Comm: rsync Tainted: P O 4.7.0-bcache+ #3 > [ 172.040086] Hardware name: . . /IP35 Pro XE(Intel P35-ICH9R), BIOS 6.00 PG 09/09/2008 > [ 172.040086] 0000000000000086 0000000058043aa7 ffff88014fc83da0 ffffffff812cbe2d > [ 172.040086] 0000000000000000 0000000000000000 ffff88014fc83de0 ffffffff810591d6 > [ 172.040086] 0000007d4fc96200 0000000000000000 0000000000000001 000000000000c888 > [ 172.040086] Call Trace: > [ 172.040086] <IRQ> [<ffffffff812cbe2d>] dump_stack+0x4f/0x72 > [ 172.040086] [<ffffffff810591d6>] __warn+0xc6/0xe0 > [ 172.040086] [<ffffffff810592f8>] warn_slowpath_null+0x18/0x20 > [ 172.040086] [<ffffffff81039f19>] native_smp_send_reschedule+0x39/0x40 > [ 172.040086] [<ffffffff81092ed1>] trigger_load_balance+0x131/0x210 > [ 172.040086] [<ffffffff81083959>] scheduler_tick+0x99/0xd0 > [ 172.040086] [<ffffffff810d05c0>] ? tick_sched_handle.isra.12+0x60/0x60 > [ 172.040086] [<ffffffff810c137c>] update_process_times+0x4c/0x60 > [ 172.040086] [<ffffffff810d0580>] tick_sched_handle.isra.12+0x20/0x60 > [ 172.040086] [<ffffffff810d05f8>] tick_sched_timer+0x38/0x70 > [ 172.040086] [<ffffffff810c1bf0>] __hrtimer_run_queues+0xb0/0x2c0 > [ 172.040086] [<ffffffff810c2467>] hrtimer_interrupt+0xa7/0x1a0 > [ 172.040086] [<ffffffff8103bee1>] local_apic_timer_interrupt+0x31/0x50 > [ 172.040086] [<ffffffff8103c8e8>] smp_apic_timer_interrupt+0x38/0x50 > [ 172.040086] [<ffffffff815d180f>] apic_timer_interrupt+0x7f/0x90 > [ 172.040086] <EOI> [<ffffffff81128b99>] ? panic+0x1db/0x219 > [ 172.040086] [<ffffffff812942a4>] ? sha1_final+0x94/0x110 > [ 172.040086] [<ffffffff814883d1>] ? bch_xattr_hash+0x2b1/0x2d0 > [ 172.040086] [<ffffffff81058f24>] __stack_chk_fail+0x14/0x30 > [ 172.040086] [<ffffffff814883d1>] bch_xattr_hash+0x2b1/0x2d0 > [ 172.040086] [<ffffffff81488459>] xattr_hash_key+0x9/0x10 > [ 172.040086] [<ffffffff814884e4>] ? bch_xattr_get+0x84/0x1a0 > [ 172.040086] [<ffffffff8145cd69>] ? __bch_write_inode+0x289/0x2d0 > [ 172.040086] [<ffffffff81435438>] ? bch_get_acl+0x48/0x2b0 > [ 172.040086] [<ffffffff811ee9c1>] ? get_acl+0x71/0xf0 > [ 172.040086] [<ffffffff811eea8a>] ? posix_acl_chmod+0x4a/0xe0 > [ 172.040086] [<ffffffff8145d13f>] ? bch_setattr+0x7f/0xa0 > [ 172.040086] [<ffffffff811ac98e>] ? notify_change+0x23e/0x350 > [ 172.040086] [<ffffffff8118c6a9>] ? chmod_common+0x89/0x140 > [ 172.040086] [<ffffffff8118d991>] ? SyS_fchmod+0x31/0x50 > [ 172.040086] [<ffffffff815d0c1f>] ? entry_SYSCALL_64_fastpath+0x17/0x93 > [ 172.040086] ---[ end trace eaafefe4328420aa ]--- And the winner is...: # addr2line -i -e vmlinux ffffffff814883d1 /usr/src/linux-bcache/drivers/md/bcache/xattr.c:33 _Current_ options are: # cat /sys/fs/bcache/1005562c-b899-4a27-bfe5-e7d9e89d4bf2/options/* none lz4 [gzip] none crc32c [crc64] 1 continue [remount-ro] panic 10 0 0 none crc32c [crc64] 1 0 0 0 crc32c crc64 siphash [sha1] 0 Marcin -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html