Message-ID: <269f588f-78f2-4acf-06d3-eeefaa5d8e0f@gmail.com>
Date:   Sun, 16 Feb 2020 00:07:28 +0200
From:   Vincas Dargis <vindrg@...il.com>
To:     Salvatore Bonaccorso <carnil@...ian.org>
Cc:     Heiner Kallweit <hkallweit1@...il.com>, netdev@...r.kernel.org
Subject: Re: About r8169 regression 5.4

2020-02-15 18:12, Salvatore Bonaccorso rašė:
> You can generate the a7a92cf81589 revert patch, and then for simple
> testing of a patch and build have a look at the Simple patching and
> building[1] section of the kernel handbook.
> 
> Hope this helps,
> 
> Regards,
> Salvatore
> 
>   [1] https://kernel-team.pages.debian.net/kernel-handbook/ch-common-tasks.html#s4.2.2
> 

Sadly, after running for an hour, I still got this:

Feb 15 23:49:21 vinco kernel: [ 3670.779254] ------------[ cut here ]------------
Feb 15 23:49:21 vinco kernel: [ 3670.779275] NETDEV WATCHDOG: enp5s0f1 (r8169): transmit queue 0 timed out
Feb 15 23:49:21 vinco kernel: [ 3670.779299] WARNING: CPU: 6 PID: 0 at net/sched/sch_generic.c:442 dev_watchdog+0x248/0x250
Feb 15 23:49:21 vinco kernel: [ 3670.779300] Modules linked in: rfcomm(E) xt_recent(E) ipt_REJECT(E) nf_reject_ipv4(E) xt_multiport(E) xt_conntrack(E) xt_hashlimit(E) xt_addrtype(E) xt_iface(OE) 
xt_mark(E) nft_chain_nat(E) xt_comment(E) xt_CT(E) xt_owner(E) xt_tcpudp(E) nft_compat(E) nft_counter(E) xt_NFLOG(E) nf_log_ipv4(E) nf_log_common(E) xt_LOG(E) nf_nat_tftp(E) nf_nat_snmp_basic(E) 
nf_conntrack_snmp(E) nf_nat_sip(E) nf_nat_pptp(E) nf_nat_irc(E) nf_nat_h323(E) nf_nat_ftp(E) nf_nat_amanda(E) ts_kmp(E) nf_conntrack_amanda(E) nf_nat(E) nf_conntrack_sane(E) nf_conntrack_tftp(E) 
nf_conntrack_sip(E) nf_conntrack_pptp(E) nf_conntrack_netlink(E) nf_conntrack_netbios_ns(E) nf_conntrack_broadcast(E) nf_conntrack_irc(E) nf_conntrack_h323(E) nf_conntrack_ftp(E) nf_conntrack(E) 
nf_defrag_ipv6(E) nf_defrag_ipv4(E) nf_tables(E) vboxnetadp(OE) vboxnetflt(OE) xfrm_user(E) xfrm_algo(E) vboxdrv(OE) l2tp_ppp(E) l2tp_netlink(E) l2tp_core(E) ip6_udp_tunnel(E) udp_tunnel(E) pppox(E) 
ppp_generic(E) slhc(E) nfnetlink_log(E) bnep(E)
Feb 15 23:49:21 vinco kernel: [ 3670.779353]  nfnetlink(E) bbswitch(OE) intel_rapl_msr(E) intel_rapl_common(E) x86_pkg_temp_thermal(E) intel_powerclamp(E) coretemp(E) kvm_intel(E) kvm(E) irqbypass(E) 
crct10dif_pclmul(E) ghash_clmulni_intel(E) binfmt_misc(E) btusb(E) btrtl(E) btbcm(E) btintel(E) nls_ascii(E) nls_cp437(E) bluetooth(E) snd_hda_codec_realtek(E) aesni_intel(E) uvcvideo(E) vfat(E) 
crypto_simd(E) videobuf2_vmalloc(E) fat(E) snd_hda_codec_generic(E) cryptd(E) videobuf2_memops(E) glue_helper(E) ledtrig_audio(E) videobuf2_v4l2(E) iwlmvm(E) intel_cstate(E) drbg(E) 
snd_hda_codec_hdmi(E) intel_uncore(E) videobuf2_common(E) mac80211(E) ansi_cprng(E) libarc4(E) videodev(E) efi_pstore(E) joydev(E) snd_hda_intel(E) mc(E) snd_intel_dspcfg(E) intel_rapl_perf(E) 
ecdh_generic(E) pcspkr(E) ecc(E) serio_raw(E) snd_hda_codec(E) asus_nb_wmi(E) iwlwifi(E) asus_wmi(E) snd_hda_core(E) efivars(E) sparse_keymap(E) snd_hwdep(E) sg(E) snd_pcm(E) cfg80211(E) snd_timer(E) 
iTCO_wdt(E) iTCO_vendor_support(E) snd(E) watchdog(E) rfkill(E)
Feb 15 23:49:21 vinco kernel: [ 3670.779386]  soundcore(E) ie31200_edac(E) evdev(E) asus_wireless(E) ac(E) parport_pc(E) ppdev(E) lp(E) parport(E) efivarfs(E) ip_tables(E) x_tables(E) autofs4(E) 
ext4(E) crc16(E) mbcache(E) jbd2(E) btrfs(E) blake2b_generic(E) xor(E) zstd_decompress(E) zstd_compress(E) raid6_pq(E) libcrc32c(E) crc32c_generic(E) sr_mod(E) sd_mod(E) cdrom(E) hid_logitech_hidpp(E) 
hid_logitech_dj(E) hid_generic(E) usbhid(E) hid(E) i915(E) rtsx_pci_sdmmc(E) i2c_algo_bit(E) mmc_core(E) xhci_pci(E) drm_kms_helper(E) ehci_pci(E) ahci(E) lpc_ich(E) rtsx_pci(E) ehci_hcd(E) 
mfd_core(E) drm(E) libahci(E) xhci_hcd(E) crc32_pclmul(E) mxm_wmi(E) libata(E) crc32c_intel(E) r8169(E) realtek(E) psmouse(E) usbcore(E) i2c_i801(E) scsi_mod(E) libphy(E) usb_common(E) wmi(E) 
battery(E) video(E) button(E)
Feb 15 23:49:21 vinco kernel: [ 3670.779418] CPU: 6 PID: 0 Comm: swapper/6 Tainted: G           OE     5.5.0-rc5-amd64 #1 Debian 5.5~rc5-1~exp1
Feb 15 23:49:21 vinco kernel: [ 3670.779419] Hardware name: ASUSTeK COMPUTER INC. N551JM/N551JM, BIOS N551JM.205 02/13/2015
Feb 15 23:49:21 vinco kernel: [ 3670.779422] RIP: 0010:dev_watchdog+0x248/0x250
Feb 15 23:49:21 vinco kernel: [ 3670.779425] Code: 85 c0 75 e5 eb 9f 4c 89 ef c6 05 a8 8b a6 00 01 e8 1d cc fa ff 44 89 e1 4c 89 ee 48 c7 c7 68 ca 55 a9 48 89 c2 e8 1a 67 9e ff <0f> 0b eb 80 0f 1f 40 
00 0f 1f 44 00 00 41 57 41 56 49 89 d6 41 55
Feb 15 23:49:21 vinco kernel: [ 3670.779426] RSP: 0018:ffffbf5dc01e0e68 EFLAGS: 00010286
Feb 15 23:49:21 vinco kernel: [ 3670.779428] RAX: 0000000000000000 RBX: ffffa0e11c031400 RCX: 000000000000083f
Feb 15 23:49:21 vinco kernel: [ 3670.779429] RDX: 0000000000000000 RSI: 00000000000000f6 RDI: 000000000000083f
Feb 15 23:49:21 vinco kernel: [ 3670.779430] RBP: ffffa0e11caee45c R08: 0000000000000471 R09: 0000000000000004
Feb 15 23:49:21 vinco kernel: [ 3670.779431] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
Feb 15 23:49:21 vinco kernel: [ 3670.779432] R13: ffffa0e11caee000 R14: ffffa0e11caee480 R15: 0000000000000001
Feb 15 23:49:21 vinco kernel: [ 3670.779433] FS:  0000000000000000(0000) GS:ffffa0e11ef80000(0000) knlGS:0000000000000000
Feb 15 23:49:21 vinco kernel: [ 3670.779434] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Feb 15 23:49:21 vinco kernel: [ 3670.779435] CR2: 000004c3f29aba30 CR3: 000000020e80a005 CR4: 00000000001626e0
Feb 15 23:49:21 vinco kernel: [ 3670.779436] Call Trace:
Feb 15 23:49:21 vinco kernel: [ 3670.779439]  <IRQ>
Feb 15 23:49:21 vinco kernel: [ 3670.779443]  ? pfifo_fast_enqueue+0x150/0x150
Feb 15 23:49:21 vinco kernel: [ 3670.779446]  call_timer_fn+0x2d/0x130
Feb 15 23:49:21 vinco kernel: [ 3670.779448]  __run_timers.part.0+0x16f/0x260
Feb 15 23:49:21 vinco kernel: [ 3670.779452]  ? tick_sched_handle+0x22/0x60
Feb 15 23:49:21 vinco kernel: [ 3670.779455]  ? tick_sched_timer+0x38/0x80
Feb 15 23:49:21 vinco kernel: [ 3670.779457]  ? tick_sched_do_timer+0x60/0x60
Feb 15 23:49:21 vinco kernel: [ 3670.779460]  run_timer_softirq+0x26/0x50
Feb 15 23:49:21 vinco kernel: [ 3670.779464]  __do_softirq+0xe6/0x2e9
Feb 15 23:49:21 vinco kernel: [ 3670.779469]  irq_exit+0xa6/0xb0
Feb 15 23:49:21 vinco kernel: [ 3670.779471]  smp_apic_timer_interrupt+0x76/0x130
Feb 15 23:49:21 vinco kernel: [ 3670.779474]  apic_timer_interrupt+0xf/0x20
Feb 15 23:49:21 vinco kernel: [ 3670.779475]  </IRQ>
Feb 15 23:49:21 vinco kernel: [ 3670.779479] RIP: 0010:cpuidle_enter_state+0xc9/0x3e0
Feb 15 23:49:21 vinco kernel: [ 3670.779481] Code: e8 5c ad ab ff 80 7c 24 0f 00 74 17 9c 58 0f 1f 44 00 00 f6 c4 02 0f 85 ea 02 00 00 31 ff e8 9e dc b1 ff fb 66 0f 1f 44 00 00 <45> 85 ed 0f 88 40 02 
00 00 49 63 d5 4c 2b 64 24 10 48 8d 04 52 48
Feb 15 23:49:21 vinco kernel: [ 3670.779482] RSP: 0018:ffffbf5dc00c7e68 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
Feb 15 23:49:21 vinco kernel: [ 3670.779483] RAX: ffffa0e11efacac0 RBX: ffffdf5dbfd9e0f0 RCX: 000000000000001f
Feb 15 23:49:21 vinco kernel: [ 3670.779484] RDX: 0000000000000000 RSI: 0000000033518eeb RDI: 0000000000000000
Feb 15 23:49:21 vinco kernel: [ 3670.779485] RBP: ffffffffa96bdaa0 R08: 00000356ab7df88b R09: 000000000002c3e0
Feb 15 23:49:21 vinco kernel: [ 3670.779486] R10: 0000000000001592 R11: ffffa0e11efab9a4 R12: 00000356ab7df88b
Feb 15 23:49:21 vinco kernel: [ 3670.779487] R13: 0000000000000005 R14: 0000000000000005 R15: ffffa0e11ca98000
Feb 15 23:49:21 vinco kernel: [ 3670.779490]  ? cpuidle_enter_state+0xa4/0x3e0
Feb 15 23:49:21 vinco kernel: [ 3670.779493]  cpuidle_enter+0x29/0x40
Feb 15 23:49:21 vinco kernel: [ 3670.779496]  do_idle+0x1e4/0x280
Feb 15 23:49:21 vinco kernel: [ 3670.779499]  cpu_startup_entry+0x19/0x20
Feb 15 23:49:21 vinco kernel: [ 3670.779502]  start_secondary+0x15f/0x1b0
Feb 15 23:49:21 vinco kernel: [ 3670.779506]  secondary_startup_64+0xa4/0xb0
Feb 15 23:49:21 vinco kernel: [ 3670.779508] ---[ end trace a87faacfee854ba7 ]---

Though what is strange that network does seems to be usable! I don't have to reboot to make browser and other application to continue working. Maybe other changes up to 5.5-rc5 helped?

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