I just installed linux-image-4.6.0-rc3-amd64 from experimental. With this kernel, I can run `docker start`, and I get a bash root prompt using `docker exec -it <container> bash`. However, the shell then hangs: I can edit the line, but even w/o entering anything and just hitting <enter> the shell locks up.
/var/log/messages shows: Apr 27 12:09:48 lt-nkiesel kernel: [ 214.528976] ------------[ cut here ]------------ Apr 27 12:09:48 lt-nkiesel kernel: [ 214.529019] WARNING: CPU: 3 PID: 468 at /build/linux-aGlcVo/linux-4.6~rc3/net/wireless/sme.c:850 wl_notify_roaming_status+0xb6/0x130 [wl] Apr 27 12:09:48 lt-nkiesel kernel: [ 214.529021] Modules linked in: veth(E) fuse(E) xt_CHECKSUM(E) iptable_mangle(E) ipt_REJECT(E) nf_reject_ipv4(E) xt_tcpudp(E) tun(E) ebtable_filter(E) ebtables(E) ip6table_filter(E) ip6_tables(E) xt_conntrack(E) ipt_MASQUERADE(E) nf_nat_masquerade_ipv4(E) iptable_nat(E) nf_conntrack_ipv4(E) nf_defrag_ipv4(E) nf_nat_ipv4(E) xt_addrtype(E) iptable_filter(E) ip_tables(E) x_tables(E) br_netfilter(E) nf_nat(E) nf_conntrack(E) overlay(E) bridge(E) stp(E) llc(E) binfmt_misc(E) intel_rapl(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) irqbypass(E) crct10dif_pclmul(E) crc32_pclmul(E) ghash_clmulni_intel(E) wl(POE) jitterentropy_rng(E) hmac(E) drbg(E) ansi_cprng(E) iTCO_wdt(E) iTCO_vendor_support(E) amdkfd(E) dcdbas(E) aesni_intel(E) aes_x86_64(E) lrw(E) gf128mul(E) glue_helper(E) ablk_helper(E) cryptd(E) radeon(E) dell_smm_hwmon(E) joydev(E) sg(E) evdev(E) cfg80211(E) snd_hda_codec_realtek(E) ttm(E) serio_raw(E) snd_hda_codec_generic(E) pcspkr(E) i915(E) i2c_i801(E) snd_hda_codec_hdmi(E) wmi(E) snd_hda_intel(E) battery(E) 8250_fintek(E) snd_hda_codec(E) elan_i2c(E) snd_hda_core(E) snd_hwdep(E) drm_kms_helper(E) dell_smo8800(E) snd_pcm(E) drm(E) snd_timer(E) dell_rbtn(E) dw_dmac(E) i2c_designware_platform(E) snd(E) dw_dmac_core(E) i2c_designware_core(E) soundcore(E) i2c_algo_bit(E) video(E) lpc_ich(E) rfkill(E) mei_me(E) shpchp(E) tpm_tis(E) mfd_core(E) ie31200_edac(E) ac(E) mei(E) tpm(E) edac_core(E) button(E) processor(E) parport_pc(E) ppdev(E) lp(E) parport(E) autofs4(E) ext4(E) crc16(E) jbd2(E) mbcache(E) btrfs(E) crc32c_generic(E) xor(E) raid6_pq(E) md_mod(E) sd_mod(E) hid_generic(E) usbhid(E) crc32c_intel(E) ahci(E) libahci(E) libata(E) psmouse(E) scsi_mod(E) xhci_pci(E) ehci_pci(E) sdhci_pci(E) xhci_hcd(E) ehci_hcd(E) e1000e(E) ptp(E) usbcore(E) pps_core(E) usb_common(E) thermal(E) sdhci_acpi(E) sdhci(E) mmc_core(E) i2c_hid(E) hid(E) fjes(E) Apr 27 12:09:48 lt-nkiesel kernel: [ 214.529090] CPU: 3 PID: 468 Comm: wl_event_handle Tainted: P OE 4.6.0-rc3-amd64 #1 Debian 4.6~rc3-1~exp1 Apr 27 12:09:48 lt-nkiesel kernel: [ 214.529091] Hardware name: Dell Inc. Precision M4800/0WJNC2, BIOS A14 05/19/2015 Apr 27 12:09:48 lt-nkiesel kernel: [ 214.529093] 0000000000000286 000000008ce2ddb2 ffffffff81310e95 0000000000000000 Apr 27 12:09:48 lt-nkiesel kernel: [ 214.529095] 0000000000000000 ffffffff8107a4ee ffff880805d54700 ffff8807d8a61614 Apr 27 12:09:48 lt-nkiesel kernel: [ 214.529096] ffff880805d54f1a ffff88080925a000 ffff880805d54af8 ffffffff81ab21a0 Apr 27 12:09:48 lt-nkiesel kernel: [ 214.529098] Call Trace: Apr 27 12:09:48 lt-nkiesel kernel: [ 214.529104] [<ffffffff81310e95>] ? dump_stack+0x5c/0x77 Apr 27 12:09:48 lt-nkiesel kernel: [ 214.529107] [<ffffffff8107a4ee>] ? __warn+0xbe/0xe0 Apr 27 12:09:48 lt-nkiesel kernel: [ 214.529134] [<ffffffffc106b9c6>] ? wl_notify_roaming_status+0xb6/0x130 [wl] Apr 27 12:09:48 lt-nkiesel kernel: [ 214.529158] [<ffffffffc106b098>] ? wl_event_handler+0x58/0x1a0 [wl] Apr 27 12:09:48 lt-nkiesel kernel: [ 214.529182] [<ffffffffc106b040>] ? wl_notify_scan_status+0x310/0x310 [wl] Apr 27 12:09:48 lt-nkiesel kernel: [ 214.529184] [<ffffffff81098e1d>] ? kthread+0xcd/0xf0 Apr 27 12:09:48 lt-nkiesel kernel: [ 214.529187] [<ffffffff815c46b2>] ? ret_from_fork+0x22/0x40 Apr 27 12:09:48 lt-nkiesel kernel: [ 214.529189] [<ffffffff81098d50>] ? kthread_create_on_node+0x190/0x190 Apr 27 12:09:48 lt-nkiesel kernel: [ 214.529190] ---[ end trace f6e95ef4cd43b7be ]--- However, I see similar problems when running the 4.4 kernel, so this might not be related to the "shell hanging" problem.
