Package: src:linux Version: 3.16.7-ckt9-2 Followup-For: Bug #782515 It's TCP Fastopen. After I disable it with 'echo 0 > /proc/sys/net/ipv4/tcp_fastopen' I can start system (and chrome) normally. Here's a oops report recorded with netconsole.
[ 909.173388] ------------[ cut here ]------------ [ 909.173395] kernel BUG at /build/linux-oP9w_T/linux-3.16.7-ckt9/net/ipv4/tcp_output.c:878! [ 909.173397] invalid opcode: 0000 [#1] SMP [ 909.173401] Modules linked in: netconsole configfs iTCO_wdt iTCO_vendor_support binfmt_misc snd_hrtimer snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device cfg80211 pci_stub vboxpci(O) vboxnetadp(O) vboxnetflt(O) vboxdrv(O) ipt_REJECT xt_tcpudp nf_conntrack_ipv4 nf_defrag_ipv4 xt_multiport xt_conntrack nf_conntrack iptable_filter ip_tables x_tables snd_hda_codec_hdmi nvidia(PO) joydev hid_generic eeepc_wmi asus_wmi sparse_keymap rfkill mxm_wmi evdev usbhid x86_pkg_temp_thermal intel_powerclamp snd_hda_codec_realtek intel_rapl snd_hda_codec_generic crc32_pclmul snd_soc_rt5640 ghash_clmulni_intel snd_soc_rl6231 snd_hda_intel snd_soc_core aesni_intel snd_hda_controller snd_hda_codec aes_x86_64 snd_compress lrw snd_hwdep snd_pcm_oss gf128mul glue_helper snd_mixer_oss ablk_helper psmouse snd_pcm cryptd drm pcspkr serio_raw snd_timer snd tpm_infineon regmap_i2c soundcore tpm_tis tpm mei_me i2c_designware_platform snd_soc_sst_acpi mei battery shpchp i2c_designware_core vid eo wmi acpi_pad button processor vhost_net tun vhost macvtap macvlan kvm_intel kvm sch_fq_codel coretemp firewire_sbp2 firewire_core crc_itu_t loop fuse autofs4 ext4 crc16 mbcache jbd2 btrfs xor raid6_pq dm_mod raid1 md_mod sg sd_mod crc_t10dif crct10dif_generic crct10dif_pclmul crct10dif_common crc32c_intel ahci libahci ehci_pci libata xhci_hcd ehci_hcd scsi_mod e1000e ptp usbcore pps_core usb_common thermal fan thermal_sys sdhci_acpi i2c_hid sdhci hid mmc_core i2c_core [ 909.173529] CPU: 7 PID: 3263 Comm: Chrome_IOThread Tainted: P O 3.16.0-4-amd64 #1 Debian 3.16.7-ckt9-2 [ 909.173531] Hardware name: ASUS All Series/Z97-A, BIOS 1205 07/07/2014 [ 909.173533] task: ffff88080231b630 ti: ffff8807a0fec000 task.ti: ffff8807a0fec000 [ 909.173535] RIP: 0010:[<ffffffff8146f6ef>] [<ffffffff8146f6ef>] tcp_transmit_skb+0x6ff/0x8e0 [ 909.173540] RSP: 0018:ffff8807a0fefb48 EFLAGS: 00010246 [ 909.173542] RAX: 00000000000002c0 RBX: ffff8807a09ec780 RCX: 00000000000000d0 [ 909.173543] RDX: 0000000000000001 RSI: ffff880036844400 RDI: ffff8807e4084800 [ 909.173545] RBP: ffff880036844400 R08: 00000000000002c0 R09: 0000000000000500 [ 909.173546] R10: ffff8807a09eccd8 R11: ffff8807a09ecd64 R12: ffff8807cda214c0 [ 909.173548] R13: ffff880036844400 R14: 00000000000000d2 R15: ffff8807a0fefe80 [ 909.173550] FS: 00007fe82bd75700(0000) GS:ffff88083edc0000(0000) knlGS:0000000000000000 [ 909.173551] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 909.173553] CR2: 00003d5359dfa008 CR3: 00000007ce6dd000 CR4: 00000000001407e0 [ 909.173554] Stack: [ 909.173556] ffffffff8140cd37 00ff8807cda214c0 ffff8807a09ec780 00000000000000d4 [ 909.173560] ffff8807a09ec780 ffff88081c47ae80 ffff8807a09ec780 ffff880036844600 [ 909.173564] ffff8807cda214c0 ffff880036844400 00000000000000d2 ffff8807a0fefe80 [ 909.173569] Call Trace: [ 909.173572] [<ffffffff8140cd37>] ? __alloc_skb+0x87/0x2a0 [ 909.173575] [<ffffffff81470ce6>] ? tcp_connect+0x466/0x780 [ 909.173578] [<ffffffff81475576>] ? tcp_v4_connect+0x2f6/0x450 [ 909.173581] [<ffffffff8148a715>] ? __inet_stream_connect+0x95/0x310 [ 909.173584] [<ffffffff81462610>] ? tcp_sendmsg+0x550/0xd20 [ 909.173587] [<ffffffff8114a3c5>] ? release_pages+0x85/0x220 [ 909.173590] [<ffffffff81403f4b>] ? sock_sendmsg+0x8b/0xc0 [ 909.173593] [<ffffffff811c15f1>] ? touch_atime+0x71/0x140 [ 909.173596] [<ffffffff811b0180>] ? pipe_read+0x280/0x2f0 [ 909.173599] [<ffffffff814040b1>] ? SYSC_sendto+0xf1/0x180 [ 909.173603] [<ffffffff811a7f4d>] ? vfs_read+0xed/0x170 [ 909.173607] [<ffffffff81510e4d>] ? system_call_fast_compare_end+0x10/0x15 [ 909.173608] Code: 48 89 c5 e9 a5 f9 ff ff 0f 1f 40 00 8b 8b c4 05 00 00 89 ca d1 e9 c1 ea 02 01 d1 8b 93 c0 05 00 00 39 d1 0f 43 d1 e9 37 ff ff ff <0f> 0b 8b 55 40 39 c2 0f 89 b7 fb ff ff 8d 88 00 00 ff ff 39 d1 [ 909.173654] RIP [<ffffffff8146f6ef>] tcp_transmit_skb+0x6ff/0x8e0 [ 909.173658] RSP <ffff8807a0fefb48> [ 909.173660] ---[ end trace 1b3142ada48fa46e ]--- [ 909.173662] Kernel panic - not syncing: Fatal exception [ 909.173666] Kernel Offset: 0x0 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffff9fffffff) [ 909.173667] Rebooting in 20 seconds.. [ 929.099850] ACPI MEMORY or I/O RESET_REG. -- To UNSUBSCRIBE, email to debian-kernel-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/20150413150819.3415.19505.report...@enigma.salmela.fi