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#1 2018-03-21 23:22:44

Kabir
Member
From: India
Registered: 2016-12-06
Posts: 59

e1000e eno1: Detected Hardware Unit Hang after Suspend

Hi,

Since the past few days I've been noticing some messages displayed for a short while after running either of the suspend commands

systemctl suspend
systemctl hybrid-sleep

After checking the journal, I see a few suspicious messages:

Mar 22 03:55:30 aries systemd[1]: Reached target Sleep.
Mar 22 03:55:30 aries kernel: PM: hibernation entry
Mar 22 03:55:30 aries systemd[1]: Starting Hybrid Suspend+Hibernate...
Mar 22 03:55:30 aries systemd-sleep[7201]: Suspending system...
Mar 22 03:55:31 aries kernel: PM: Syncing filesystems ... 
Mar 22 03:59:19 aries kernel: PM: done.
Mar 22 03:59:19 aries kernel: Freezing user space processes ... (elapsed 0.001 seconds) done.
Mar 22 03:59:19 aries kernel: OOM killer disabled.
Mar 22 03:59:19 aries kernel: PM: Marking nosave pages: [mem 0x00000000-0x00000fff]
Mar 22 03:59:19 aries kernel: PM: Marking nosave pages: [mem 0x00091000-0x000fffff]
Mar 22 03:59:19 aries kernel: PM: Marking nosave pages: [mem 0x9392b000-0x9392bfff]
Mar 22 03:59:19 aries kernel: PM: Marking nosave pages: [mem 0x93c57000-0x93c57fff]
Mar 22 03:59:19 aries kernel: PM: Marking nosave pages: [mem 0xbd0fb000-0xbdefefff]
Mar 22 03:59:19 aries kernel: PM: Marking nosave pages: [mem 0xbdf00000-0xffffffff]
Mar 22 03:59:19 aries kernel: PM: Basic memory bitmaps created
Mar 22 03:59:19 aries kernel: PM: Preallocating image memory... done (allocated 678165 pages)
Mar 22 03:59:19 aries kernel: PM: Allocated 2712660 kbytes in 0.41 seconds (6616.24 MB/s)
Mar 22 03:59:19 aries kernel: Freezing remaining freezable tasks ... (elapsed 0.000 seconds) done.
Mar 22 03:59:19 aries kernel: Suspending console(s) (use no_console_suspend to debug)
Mar 22 03:59:19 aries kernel: Disabling non-boot CPUs ...
Mar 22 03:59:19 aries kernel: smpboot: CPU 1 is now offline
Mar 22 03:59:19 aries kernel: smpboot: CPU 2 is now offline
Mar 22 03:59:19 aries kernel: smpboot: CPU 3 is now offline
Mar 22 03:59:19 aries kernel: smpboot: CPU 4 is now offline
Mar 22 03:59:19 aries kernel: smpboot: CPU 5 is now offline
Mar 22 03:59:19 aries kernel: smpboot: CPU 6 is now offline
Mar 22 03:59:19 aries kernel: smpboot: CPU 7 is now offline
Mar 22 03:59:19 aries kernel: PM: Creating hibernation image:
Mar 22 03:59:19 aries kernel: PM: Need to copy 677992 pages
Mar 22 03:59:19 aries kernel: PM: Normal pages needed: 677992 + 1024, available pages: 1398651
Mar 22 03:59:19 aries kernel: PM: Hibernation image created (677992 pages copied)
Mar 22 03:59:19 aries kernel: Enabling non-boot CPUs ...
Mar 22 03:59:19 aries kernel: x86: Booting SMP configuration:
Mar 22 03:59:19 aries kernel: smpboot: Booting Node 0 Processor 1 APIC 0x2
Mar 22 03:59:19 aries kernel:  cache: parent cpu1 should not be sleeping
Mar 22 03:59:19 aries kernel: CPU1 is up
Mar 22 03:59:19 aries kernel: smpboot: Booting Node 0 Processor 2 APIC 0x4
Mar 22 03:59:19 aries kernel:  cache: parent cpu2 should not be sleeping
Mar 22 03:59:19 aries kernel: CPU2 is up
Mar 22 03:59:19 aries kernel: smpboot: Booting Node 0 Processor 3 APIC 0x6
Mar 22 03:59:19 aries kernel:  cache: parent cpu3 should not be sleeping
Mar 22 03:59:19 aries kernel: CPU3 is up
Mar 22 03:59:19 aries kernel: smpboot: Booting Node 0 Processor 4 APIC 0x1
Mar 22 03:59:19 aries kernel:  cache: parent cpu4 should not be sleeping
Mar 22 03:59:19 aries kernel: CPU4 is up
Mar 22 03:59:19 aries kernel: smpboot: Booting Node 0 Processor 5 APIC 0x3
Mar 22 03:59:19 aries kernel:  cache: parent cpu5 should not be sleeping
Mar 22 03:59:19 aries kernel: CPU5 is up
Mar 22 03:59:19 aries kernel: smpboot: Booting Node 0 Processor 6 APIC 0x5
Mar 22 03:59:19 aries kernel:  cache: parent cpu6 should not be sleeping
Mar 22 03:59:19 aries kernel: CPU6 is up
Mar 22 03:59:19 aries kernel: smpboot: Booting Node 0 Processor 7 APIC 0x7
Mar 22 03:59:19 aries kernel:  cache: parent cpu7 should not be sleeping
Mar 22 03:59:19 aries kernel: CPU7 is up
Mar 22 03:59:19 aries kernel: e1000e: eno1 NIC Link is Up 100 Mbps Full Duplex, Flow Control: Rx/Tx
Mar 22 03:59:19 aries kernel: e1000e 0000:00:1f.6 eno1: 10/100 speed: disabling TSO
Mar 22 03:59:19 aries kernel: ata2: SATA link down (SStatus 4 SControl 300)
Mar 22 03:59:19 aries kernel: ata4: SATA link down (SStatus 4 SControl 300)
Mar 22 03:59:19 aries kernel: ata1: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
Mar 22 03:59:19 aries kernel: ata3: SATA link up 1.5 Gbps (SStatus 113 SControl 300)
Mar 22 03:59:19 aries kernel: ata1.00: ACPI cmd f5/00:00:00:00:00:e0 (SECURITY FREEZE LOCK) filtered out
Mar 22 03:59:19 aries kernel: ata1.00: ACPI cmd b1/c1:00:00:00:00:e0 (DEVICE CONFIGURATION OVERLAY) filtered out
Mar 22 03:59:19 aries kernel: ata1.00: ACPI cmd f5/00:00:00:00:00:e0 (SECURITY FREEZE LOCK) filtered out
Mar 22 03:59:19 aries kernel: ata1.00: ACPI cmd b1/c1:00:00:00:00:e0 (DEVICE CONFIGURATION OVERLAY) filtered out
Mar 22 03:59:19 aries kernel: ata1.00: configured for UDMA/100
Mar 22 03:59:19 aries kernel: PM: Using 3 thread(s) for compression
Mar 22 03:59:19 aries kernel: PM: Compressing and saving image data (679317 pages)...
Mar 22 03:59:19 aries kernel: PM: Image saving progress:   0%
Mar 22 03:59:19 aries kernel: ata3.00: configured for UDMA/100
Mar 22 03:59:19 aries kernel: PM: Image saving progress:  10%
Mar 22 03:59:19 aries kernel: PM: Image saving progress:  20%
Mar 22 03:59:19 aries kernel: PM: Image saving progress:  30%
Mar 22 03:59:19 aries kernel: PM: Image saving progress:  40%
Mar 22 03:59:19 aries kernel: PM: Image saving progress:  50%
Mar 22 03:59:19 aries kernel: PM: Image saving progress:  60%
Mar 22 03:59:19 aries kernel: PM: Image saving progress:  70%
Mar 22 03:59:19 aries kernel: PM: Image saving progress:  80%
Mar 22 03:59:19 aries kernel: PM: Image saving progress:  90%
Mar 22 03:59:19 aries kernel: PM: Image saving progress: 100%
Mar 22 03:59:19 aries kernel: e1000e 0000:00:1f.6 eno1: Detected Hardware Unit Hang:
                                TDH                  <0>
                                TDT                  <2>
                                next_to_use          <2>
                                next_to_clean        <0>
                              buffer_info[next_to_clean]:
                                time_stamp           <100fbb572>
                                next_to_watch        <0>
                                jiffies              <100fbdf80>
                                next_to_watch.status <0>
                              MAC Status             <43>
                              PHY Status             <796d>
                              PHY 1000BASE-T Status  <0>
                              PHY Extended Status    <3000>
                              PCI Status             <10>
Mar 22 03:59:19 aries kernel: PM: Image saving done
Mar 22 03:59:19 aries kernel: PM: Wrote 2717268 kbytes in 10.59 seconds (256.58 MB/s)
Mar 22 03:59:19 aries kernel: PM: S
Mar 22 03:59:19 aries kernel: ------------[ cut here ]------------
Mar 22 03:59:19 aries kernel: NETDEV WATCHDOG: eno1 (e1000e): transmit queue 0 timed out
Mar 22 03:59:19 aries kernel: WARNING: CPU: 1 PID: 0 at net/sched/sch_generic.c:323 dev_watchdog+0x21a/0x220
Mar 22 03:59:19 aries kernel: Modules linked in: ip6t_rpfilter ip6table_raw ip6t_REJECT nf_reject_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables nf_log_ipv4 nf_log_common xt_LOG xt_limit ipt_REJECT nf_reject_ipv4 xt_tcpu>
Mar 22 03:59:19 aries kernel:  ptp pps_core intel_pch_thermal i2c_i801 led_class shpchp intel_rapl_perf psmouse pcspkr rtc_cmos wmi evdev mac_hid ip_tables x_tables ext4 crc16 mbcache jbd2 fscrypto sr_mod sd_mod cdrom hid_generic usbhid h>
Mar 22 03:59:19 aries kernel: CPU: 1 PID: 0 Comm: swapper/1 Tainted: P           O     4.15.11-1-ARCH #1
Mar 22 03:59:19 aries kernel: Hardware name: HP HP Z240 Tower Workstation/802F, BIOS N51 Ver. 01.27 07/04/2016
Mar 22 03:59:19 aries kernel: RIP: 0010:dev_watchdog+0x21a/0x220
Mar 22 03:59:19 aries kernel: RSP: 0000:ffff8876fdc43e70 EFLAGS: 00010286
Mar 22 03:59:19 aries kernel: RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000103
Mar 22 03:59:19 aries kernel: RDX: 0000000080000103 RSI: ffffffff8ee47fb7 RDI: 00000000ffffffff
Mar 22 03:59:19 aries kernel: RBP: ffff8876f100c45c R08: 0000000000000001 R09: 0000000000000325
Mar 22 03:59:19 aries kernel: R10: ffff8876fdc43f20 R11: 0000000000000000 R12: ffff8876f100c478
Mar 22 03:59:19 aries kernel: R13: ffff8876f100c000 R14: 0000000000000001 R15: ffff8876eff08480
Mar 22 03:59:19 aries kernel: FS:  0000000000000000(0000) GS:ffff8876fdc40000(0000) knlGS:0000000000000000
Mar 22 03:59:19 aries kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Mar 22 03:59:19 aries kernel: CR2: 0000000000000000 CR3: 00000001e500a001 CR4: 00000000003606e0
Mar 22 03:59:19 aries kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Mar 22 03:59:19 aries kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Mar 22 03:59:19 aries kernel: Call Trace:
Mar 22 03:59:19 aries kernel:  <IRQ>
Mar 22 03:59:19 aries kernel:  ? qdisc_reset+0x70/0x70
Mar 22 03:59:19 aries kernel:  call_timer_fn+0x2b/0x150
Mar 22 03:59:19 aries kernel:  ? qdisc_reset+0x70/0x70
Mar 22 03:59:19 aries kernel:  expire_timers+0x98/0x110
Mar 22 03:59:19 aries kernel:  run_timer_softirq+0xcc/0x170
Mar 22 03:59:19 aries kernel:  ? sched_clock+0x5/0x10
Mar 22 03:59:19 aries kernel:  ? enqueue_hrtimer+0x36/0xa0
Mar 22 03:59:19 aries kernel:  ? sched_clock+0x5/0x10
Mar 22 03:59:19 aries kernel:  ? sched_clock_cpu+0xe/0xd0
Mar 22 03:59:19 aries kernel:  __do_softirq+0xe9/0x316
Mar 22 03:59:19 aries kernel:  ? sched_clock+0x5/0x10
Mar 22 03:59:19 aries kernel:  irq_exit+0xd3/0xf0
Mar 22 03:59:19 aries kernel:  smp_apic_timer_interrupt+0x73/0x150
Mar 22 03:59:19 aries kernel:  apic_timer_interrupt+0x87/0x90
Mar 22 03:59:19 aries kernel:  </IRQ>
Mar 22 03:59:19 aries kernel: RIP: 0010:cpuidle_enter_state+0xb5/0x300
Mar 22 03:59:19 aries kernel: RSP: 0000:ffff8e6b40d13ea0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff11
Mar 22 03:59:19 aries kernel: RAX: ffff8876fdc40000 RBX: 00000f492dc6ed4c RCX: 000000000000001f
Mar 22 03:59:19 aries kernel: RDX: 00000f492dc6ed4c RSI: ffffffff8ee47fb7 RDI: ffffffff8ee48204
Mar 22 03:59:19 aries kernel: RBP: ffff8876fdc6a900 R08: 0000342655bcd150 R09: 000000000000004e
Mar 22 03:59:19 aries kernel: R10: ffff8e6b40d13e78 R11: 0000000000000066 R12: 0000000000000002
Mar 22 03:59:19 aries kernel: R13: ffffffff8f0acc18 R14: 0000000000000000 R15: 00000f492dc05f0c
Mar 22 03:59:19 aries kernel:  do_idle+0x18e/0x1e0
Mar 22 03:59:19 aries kernel:  cpu_startup_entry+0x6f/0x80
Mar 22 03:59:19 aries kernel:  start_secondary+0x1a5/0x200
Mar 22 03:59:19 aries kernel:  secondary_startup_64+0xa5/0xb0
Mar 22 03:59:19 aries kernel: Code: 00 49 63 4c 24 e8 eb 8c 4c 89 ef c6 05 c6 b4 af 00 01 e8 7a 53 fd ff 89 d9 48 89 c2 4c 89 ee 48 c7 c7 80 49 eb 8e e8 a6 b8 a7 ff <0f> 0b eb be 66 90 0f 1f 44 00 00 48 c7 47 08 00 00 00 00 48 c7 
Mar 22 03:59:19 aries kernel: ---[ end trace de1957db338e5a93 ]---
Mar 22 03:59:19 aries kernel: e1000e 0000:00:1f.6 eno1: Reset adapter unexpectedly
Mar 22 03:59:19 aries kernel: |
Mar 22 03:59:19 aries kernel: Suspending console(s) (use no_console_suspend to debug)
Mar 22 03:59:19 aries kernel: e1000e: EEE TX LPI TIMER: 00000011
Mar 22 03:59:19 aries kernel: sd 0:0:0:0: [sda] Synchronizing SCSI cache
Mar 22 03:59:19 aries kernel: sd 0:0:0:0: [sda] Stopping disk
Mar 22 03:59:19 aries kernel: ACPI: Preparing to enter system sleep state S3
Mar 22 03:59:19 aries kernel: ACPI: EC: event blocked
Mar 22 03:59:19 aries kernel: ACPI: EC: EC stopped
Mar 22 03:59:19 aries kernel: PM: Saving platform NVS memory
Mar 22 03:59:19 aries kernel: Disabling non-boot CPUs ...
Mar 22 03:59:19 aries kernel: smpboot: CPU 1 is now offline
Mar 22 03:59:19 aries kernel: smpboot: CPU 2 is now offline
Mar 22 03:59:19 aries kernel: smpboot: CPU 3 is now offline
Mar 22 03:59:19 aries kernel: smpboot: CPU 4 is now offline
Mar 22 03:59:19 aries kernel: smpboot: CPU 5 is now offline
Mar 22 03:59:19 aries kernel: smpboot: CPU 6 is now offline
Mar 22 03:59:19 aries kernel: smpboot: CPU 7 is now offline
Mar 22 03:59:19 aries kernel: ACPI: Low-level resume complete
Mar 22 03:59:19 aries kernel: ACPI: EC: EC started
Mar 22 03:59:19 aries kernel: PM: Restoring platform NVS memory
Mar 22 03:59:19 aries kernel: Enabling non-boot CPUs ...
Mar 22 03:59:19 aries kernel: x86: Booting SMP configuration:
Mar 22 03:59:19 aries kernel: smpboot: Booting Node 0 Processor 1 APIC 0x2
Mar 22 03:59:19 aries kernel:  cache: parent cpu1 should not be sleeping
Mar 22 03:59:19 aries kernel: CPU1 is up
Mar 22 03:59:19 aries kernel: smpboot: Booting Node 0 Processor 2 APIC 0x4
Mar 22 03:59:19 aries kernel:  cache: parent cpu2 should not be sleeping
Mar 22 03:59:19 aries kernel: CPU2 is up
Mar 22 03:59:19 aries kernel: smpboot: Booting Node 0 Processor 3 APIC 0x6
Mar 22 03:59:19 aries kernel:  cache: parent cpu3 should not be sleeping
Mar 22 03:59:19 aries kernel: CPU3 is up
Mar 22 03:59:19 aries kernel: smpboot: Booting Node 0 Processor 4 APIC 0x1
Mar 22 03:59:19 aries kernel:  cache: parent cpu4 should not be sleeping
Mar 22 03:59:19 aries kernel: CPU4 is up
Mar 22 03:59:19 aries kernel: smpboot: Booting Node 0 Processor 5 APIC 0x3
Mar 22 03:59:19 aries kernel:  cache: parent cpu5 should not be sleeping
Mar 22 03:59:19 aries kernel: CPU5 is up
Mar 22 03:59:19 aries kernel: smpboot: Booting Node 0 Processor 6 APIC 0x5
Mar 22 03:59:19 aries kernel:  cache: parent cpu6 should not be sleeping
Mar 22 03:59:19 aries kernel: WARNING: CPU: 1 PID: 0 at net/sched/sch_generic.c:323 dev_watchdog+0x21a/0x220
Mar 22 03:59:19 aries kernel: Modules linked in: ip6t_rpfilter ip6table_raw ip6t_REJECT nf_reject_ipv6 nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables nf_log_ipv4 nf_log_common xt_LOG xt_limit ipt_REJECT nf_reject_ipv4 xt_tcpu>
Mar 22 03:59:19 aries kernel:  ptp pps_core intel_pch_thermal i2c_i801 led_class shpchp intel_rapl_perf psmouse pcspkr rtc_cmos wmi evdev mac_hid ip_tables x_tables ext4 crc16 mbcache jbd2 fscrypto sr_mod sd_mod cdrom hid_generic usbhid h>
Mar 22 03:59:19 aries kernel: CPU: 1 PID: 0 Comm: swapper/1 Tainted: P           O     4.15.11-1-ARCH #1
Mar 22 03:59:19 aries kernel: Hardware name: HP HP Z240 Tower Workstation/802F, BIOS N51 Ver. 01.27 07/04/2016
Mar 22 03:59:19 aries kernel: RIP: 0010:dev_watchdog+0x21a/0x220
Mar 22 03:59:19 aries kernel: RSP: 0000:ffff8876fdc43e70 EFLAGS: 00010286
Mar 22 03:59:19 aries kernel: RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000103
Mar 22 03:59:19 aries kernel: RDX: 0000000080000103 RSI: ffffffff8ee47fb7 RDI: 00000000ffffffff
Mar 22 03:59:19 aries kernel: RBP: ffff8876f100c45c R08: 0000000000000001 R09: 0000000000000325
Mar 22 03:59:19 aries kernel: R10: ffff8876fdc43f20 R11: 0000000000000000 R12: ffff8876f100c478
Mar 22 03:59:19 aries kernel: R13: ffff8876f100c000 R14: 0000000000000001 R15: ffff8876eff08480
Mar 22 03:59:19 aries kernel: FS:  0000000000000000(0000) GS:ffff8876fdc40000(0000) knlGS:0000000000000000
Mar 22 03:59:19 aries kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Mar 22 03:59:19 aries kernel: CR2: 0000000000000000 CR3: 00000001e500a001 CR4: 00000000003606e0
Mar 22 03:59:19 aries kernel: DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
Mar 22 03:59:19 aries kernel: DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Mar 22 03:59:19 aries kernel: Call Trace:
Mar 22 03:59:19 aries kernel:  <IRQ>
Mar 22 03:59:19 aries kernel:  ? qdisc_reset+0x70/0x70
Mar 22 03:59:19 aries kernel:  call_timer_fn+0x2b/0x150
Mar 22 03:59:19 aries kernel:  ? qdisc_reset+0x70/0x70
Mar 22 03:59:19 aries kernel:  expire_timers+0x98/0x110
Mar 22 03:59:19 aries kernel:  run_timer_softirq+0xcc/0x170
Mar 22 03:59:19 aries kernel:  ? sched_clock+0x5/0x10
Mar 22 03:59:19 aries kernel:  ? enqueue_hrtimer+0x36/0xa0
Mar 22 03:59:19 aries kernel:  ? sched_clock+0x5/0x10
Mar 22 03:59:19 aries kernel:  ? sched_clock_cpu+0xe/0xd0
Mar 22 03:59:19 aries kernel:  __do_softirq+0xe9/0x316
Mar 22 03:59:19 aries kernel:  ? sched_clock+0x5/0x10
Mar 22 03:59:19 aries kernel:  irq_exit+0xd3/0xf0
Mar 22 03:59:19 aries kernel:  smp_apic_timer_interrupt+0x73/0x150
Mar 22 03:59:19 aries kernel:  apic_timer_interrupt+0x87/0x90
Mar 22 03:59:19 aries kernel:  </IRQ>
Mar 22 03:59:19 aries kernel: RIP: 0010:cpuidle_enter_state+0xb5/0x300
Mar 22 03:59:19 aries kernel: RSP: 0000:ffff8e6b40d13ea0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff11
Mar 22 03:59:19 aries kernel: RAX: ffff8876fdc40000 RBX: 00000f492dc6ed4c RCX: 000000000000001f
Mar 22 03:59:19 aries kernel: RDX: 00000f492dc6ed4c RSI: ffffffff8ee47fb7 RDI: ffffffff8ee48204
Mar 22 03:59:19 aries kernel: RBP: ffff8876fdc6a900 R08: 0000342655bcd150 R09: 000000000000004e
Mar 22 03:59:19 aries kernel: R10: ffff8e6b40d13e78 R11: 0000000000000066 R12: 0000000000000002
Mar 22 03:59:19 aries kernel: R13: ffffffff8f0acc18 R14: 0000000000000000 R15: 00000f492dc05f0c
Mar 22 03:59:19 aries kernel:  do_idle+0x18e/0x1e0
Mar 22 03:59:19 aries kernel:  cpu_startup_entry+0x6f/0x80
Mar 22 03:59:19 aries kernel:  start_secondary+0x1a5/0x200
Mar 22 03:59:19 aries kernel:  secondary_startup_64+0xa5/0xb0
Mar 22 03:59:19 aries kernel: Code: 00 49 63 4c 24 e8 eb 8c 4c 89 ef c6 05 c6 b4 af 00 01 e8 7a 53 fd ff 89 d9 48 89 c2 4c 89 ee 48 c7 c7 80 49 eb 8e e8 a6 b8 a7 ff <0f> 0b eb be 66 90 0f 1f 44 00 00 48 c7 47 08 00 00 00 00 48 c7 
Mar 22 03:59:19 aries kernel: ---[ end trace de1957db338e5a93 ]---
Mar 22 03:59:19 aries kernel: e1000e 0000:00:1f.6 eno1: Reset adapter unexpectedly
Mar 22 03:59:19 aries kernel: |
Mar 22 03:59:19 aries kernel: Suspending console(s) (use no_console_suspend to debug)
Mar 22 03:59:19 aries kernel: e1000e: EEE TX LPI TIMER: 00000011
Mar 22 03:59:19 aries kernel: sd 0:0:0:0: [sda] Synchronizing SCSI cache
Mar 22 03:59:19 aries kernel: sd 0:0:0:0: [sda] Stopping disk
Mar 22 03:59:19 aries kernel: ACPI: Preparing to enter system sleep state S3
Mar 22 03:59:19 aries kernel: ACPI: EC: event blocked
Mar 22 03:59:19 aries kernel: ACPI: EC: EC stopped
Mar 22 03:59:19 aries kernel: PM: Saving platform NVS memory

I suppose this is harmless because I dont experience any network issues after resumption but I'd still like to know why this is happening and how I could fix it. This only happens when the system goes into Suspend / Hibernate, not otherwise.
Any advice / suggestions is appreciated.
Thanks!

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#2 2018-03-21 23:38:51

R00KIE
Forum Fellow
From: Between a computer and a chair
Registered: 2008-09-14
Posts: 4,734

Re: e1000e eno1: Detected Hardware Unit Hang after Suspend

I'd say that even if nothing is apparently broken it should not be doing that. You should report this problem upstream and if possible try to narrow this problem down to a kernel version that introduced this problem.

The ideal would be if you could bisect the kernel and find out which specific commit introduces the problem, but be advised that it will take time. The upside, from my experience, is that if when you report the problem you also pinpoint the commit that introduces the problem (as a result of bisecting the kernel), the report will get attention faster as it shows that you have done some effort instead of just complaining it doesn't work.

R00KIE
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#3 2018-03-22 16:55:49

Kabir
Member
From: India
Registered: 2016-12-06
Posts: 59

Re: e1000e eno1: Detected Hardware Unit Hang after Suspend

Thanks for the advice, I will investigate further and take it upstream. Though, I can confirm that this happens only if hibernation is involved, be it hybrid-sleep or traditional hibernation. And if I run the following command before going into hibernation no such warnings / messages appear in the logs and all goes well.

sudo ip link set eno1 down

This has been reported by other people as well, https://serverfault.com/questions/61648 … -unit-hang, I will try the ethtool settings listed and see if that helps.

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#4 2018-03-22 17:13:42

R00KIE
Forum Fellow
From: Between a computer and a chair
Registered: 2008-09-14
Posts: 4,734

Re: e1000e eno1: Detected Hardware Unit Hang after Suspend

Disabling TSO, GSO, GRO nad maybe pcie_aspm is a workaround at best. This really should be reported upstream, if no one reports the problem it might never get fixed.

R00KIE
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