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Bug#904822: linux-image-4.17.0-1-amd64: Freeze/timing/interrupt problems since 4.17



Package: src:linux
Version: 4.17.8-1
Severity: normal

Dear Maintainer,

Since kernel 4.17.8-1 have migrated to testing, I have been experiencing the
two following issues, that I believe are related:

- Processes doing disk accesses sometimes go into D state, while the
  disk itself is idle and the kernel reports nothing spurious (in
  particular no hardware timeout nor bus reset), and stay there several
  seconds or many minutes.

- The audio device takes a noticeable time to open.

Both could be explained by some kind of interrupt problem.

For the audio device, I have the following strace output for "aplay -f
S16_LE -r 48000 -c 2 /dev/zero":

1532683807.044375 ioctl(3, SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE, 0x7fffbb82edcc) = 0 <0.000006>
1532683807.044393 openat(AT_FDCWD, "/dev/snd/pcmC0D0p", O_RDWR|O_NONBLOCK|O_CLOEXEC) = 4 <0.161654>
1532683807.206124 fcntl(4, F_SETFD, FD_CLOEXEC) = 0 <0.000018>

Notice the 0.16 seconds to open pcmC0D0p. If the same command is run less
than a few seconds after the last use of the audio device, it goes down to:

1532683819.333547 ioctl(3, SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE, 0x7fffd28eadec) = 0 <0.000006>
1532683819.333565 openat(AT_FDCWD, "/dev/snd/pcmC0D0p", O_RDWR|O_NONBLOCK|O_CLOEXEC) = 4 <0.000022>
1532683819.333599 fcntl(4, F_SETFD, FD_CLOEXEC) = 0 <0.000005>

With kernel 4.16.0-2-amd64, it is always fast:

1532770761.849012 ioctl(3, SNDRV_CTL_IOCTL_PCM_PREFER_SUBDEVICE, 0x7ffeb256f63c) = 0 <0.000006>
1532770761.849034 openat(AT_FDCWD, "/dev/snd/pcmC0D0p", O_RDWR|O_APPEND|O_NONBLOCK|O_CLOEXEC) = 4 <0.000012>
1532770761.849064 fcntl(4, F_SETFD, FD_CLOEXEC) = 0 <0.000005>

For the problem with processes in D state, I have the following kernel
backtrace. The hard drive was behaving normally at the time, mostly idle (by
ear):

[32866.954230] INFO: task md0_raid1:200 blocked for more than 120 seconds.
[32866.954241]       Tainted: G          I       4.17.0-1-amd64 #1 Debian 4.17.8-1
[32866.954245] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[32866.954249] md0_raid1       D    0   200      2 0x80000000
[32866.954257] Call Trace:
[32866.954273]  ? __schedule+0x291/0x870
[32866.954280]  schedule+0x28/0x80
[32866.954299]  md_super_wait+0x6e/0xa0 [md_mod]
[32866.954312]  ? finish_wait+0x80/0x80
[32866.954326]  write_page+0x249/0x330 [md_mod]
[32866.954333]  ? __schedule+0x299/0x870
[32866.954347]  md_update_sb.part.62+0x367/0x840 [md_mod]
[32866.954361]  md_check_recovery+0x4ab/0x570 [md_mod]
[32866.954371]  raid1d+0x5c/0x880 [raid1]
[32866.954383]  ? lock_timer_base+0x67/0x80
[32866.954389]  ? try_to_del_timer_sync+0x4d/0x80
[32866.954396]  ? del_timer_sync+0x35/0x40
[32866.954403]  ? schedule_timeout+0x181/0x380
[32866.954415]  ? find_pers+0x70/0x70 [md_mod]
[32866.954426]  ? md_thread+0x122/0x160 [md_mod]
[32866.954434]  ? handle_read_error+0x4c0/0x4c0 [raid1]
[32866.954445]  md_thread+0x122/0x160 [md_mod]
[32866.954453]  ? finish_wait+0x80/0x80
[32866.954464]  kthread+0x113/0x130
[32866.954472]  ? kthread_create_worker_on_cpu+0x70/0x70
[32866.954480]  ret_from_fork+0x35/0x40
[32866.954490] INFO: task systemd-journal:339 blocked for more than 120 seconds.
[32866.954495]       Tainted: G          I       4.17.0-1-amd64 #1 Debian 4.17.8-1
[32866.954498] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[32866.954502] systemd-journal D    0   339      1 0x00000104
[32866.954508] Call Trace:
[32866.954515]  ? __schedule+0x291/0x870

Regards,

-- 
  Nicolas George


-- Package-specific info:
** Kernel log: boot messages should be attached

** Model information
sys_vendor: ZOTAC
product_name: ZBOX-ID91
product_version: XX
chassis_vendor: NA
chassis_version: NA
bios_vendor: American Megatrends Inc.
bios_version: B206P009
board_vendor: ZOTAC
board_name: ZBOX-ID91
board_version: XX

** PCI devices:
00:00.0 Host bridge [0600]: Intel Corporation 4th Gen Core Processor DRAM Controller [8086:0c00] (rev 06)
	Subsystem: ZOTAC International (MCO) Ltd. 4th Gen Core Processor DRAM Controller [19da:b206]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ >SERR- <PERR- INTx-
	Latency: 0
	Capabilities: <access denied>
	Kernel driver in use: hsw_uncore

00:02.0 VGA compatible controller [0300]: Intel Corporation 4th Generation Core Processor Family Integrated Graphics Controller [8086:041e] (rev 06) (prog-if 00 [VGA controller])
	Subsystem: ZOTAC International (MCO) Ltd. 4th Generation Core Processor Family Integrated Graphics Controller [19da:b206]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 30
	Region 0: Memory at f7800000 (64-bit, non-prefetchable) [size=4M]
	Region 2: Memory at e0000000 (64-bit, prefetchable) [size=256M]
	Region 4: I/O ports at f000 [size=64]
	[virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
	Capabilities: <access denied>
	Kernel driver in use: i915
	Kernel modules: i915

00:03.0 Audio device [0403]: Intel Corporation Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller [8086:0c0c] (rev 06)
	Subsystem: ZOTAC International (MCO) Ltd. Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller [19da:b206]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 32
	Region 0: Memory at f7d14000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel

00:14.0 USB controller [0c03]: Intel Corporation 8 Series/C220 Series Chipset Family USB xHCI [8086:8c31] (rev 05) (prog-if 30 [XHCI])
	Subsystem: ZOTAC International (MCO) Ltd. 8 Series/C220 Series Chipset Family USB xHCI [19da:b206]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 26
	Region 0: Memory at f7d00000 (64-bit, non-prefetchable) [size=64K]
	Capabilities: <access denied>
	Kernel driver in use: xhci_hcd
	Kernel modules: xhci_pci

00:16.0 Communication controller [0780]: Intel Corporation 8 Series/C220 Series Chipset Family MEI Controller #1 [8086:8c3a] (rev 04)
	Subsystem: ZOTAC International (MCO) Ltd. 8 Series/C220 Series Chipset Family MEI Controller [19da:b206]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 28
	Region 0: Memory at f7d1e000 (64-bit, non-prefetchable) [size=16]
	Capabilities: <access denied>
	Kernel driver in use: mei_me
	Kernel modules: mei_me

00:1a.0 USB controller [0c03]: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #2 [8086:8c2d] (rev 05) (prog-if 20 [EHCI])
	Subsystem: ZOTAC International (MCO) Ltd. 8 Series/C220 Series Chipset Family USB EHCI [19da:b206]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 16
	Region 0: Memory at f7d1c000 (32-bit, non-prefetchable) [size=1K]
	Capabilities: <access denied>
	Kernel driver in use: ehci-pci
	Kernel modules: ehci_pci

00:1b.0 Audio device [0403]: Intel Corporation 8 Series/C220 Series Chipset High Definition Audio Controller [8086:8c20] (rev 05)
	Subsystem: ZOTAC International (MCO) Ltd. 8 Series/C220 Series Chipset High Definition Audio Controller [19da:b206]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 31
	Region 0: Memory at f7d10000 (64-bit, non-prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel

00:1c.0 PCI bridge [0604]: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #1 [8086:8c10] (rev d5) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 16
	Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
	I/O behind bridge: 00002000-00002fff
	Memory behind bridge: df200000-df3fffff
	Prefetchable memory behind bridge: 00000000df400000-00000000df5fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
	BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport
	Kernel modules: shpchp

00:1c.3 PCI bridge [0604]: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #4 [8086:8c16] (rev d5) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin D routed to IRQ 19
	Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
	I/O behind bridge: 0000e000-0000efff
	Prefetchable memory behind bridge: 00000000f0100000-00000000f01fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport
	Kernel modules: shpchp

00:1c.4 PCI bridge [0604]: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #5 [8086:8c18] (rev d5) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 16
	Bus: primary=00, secondary=03, subordinate=03, sec-latency=0
	I/O behind bridge: 0000d000-0000dfff
	Prefetchable memory behind bridge: 00000000f0000000-00000000f00fffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport
	Kernel modules: shpchp

00:1c.5 PCI bridge [0604]: Intel Corporation 8 Series/C220 Series Chipset Family PCI Express Root Port #6 [8086:8c1a] (rev d5) (prog-if 00 [Normal decode])
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin B routed to IRQ 17
	Bus: primary=00, secondary=04, subordinate=04, sec-latency=0
	Memory behind bridge: f7c00000-f7cfffff
	Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
	BridgeCtl: Parity- SERR- NoISA- VGA- MAbort- >Reset- FastB2B-
		PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
	Capabilities: <access denied>
	Kernel driver in use: pcieport
	Kernel modules: shpchp

00:1d.0 USB controller [0c03]: Intel Corporation 8 Series/C220 Series Chipset Family USB EHCI #1 [8086:8c26] (rev 05) (prog-if 20 [EHCI])
	Subsystem: ZOTAC International (MCO) Ltd. 8 Series/C220 Series Chipset Family USB EHCI [19da:b206]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin A routed to IRQ 23
	Region 0: Memory at f7d1b000 (32-bit, non-prefetchable) [size=1K]
	Capabilities: <access denied>
	Kernel driver in use: ehci-pci
	Kernel modules: ehci_pci

00:1f.0 ISA bridge [0601]: Intel Corporation C220 Series Chipset Family H81 Express LPC Controller [8086:8c5c] (rev 05)
	Subsystem: ZOTAC International (MCO) Ltd. C220 Series Chipset Family H81 Express LPC Controller [19da:b206]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Capabilities: <access denied>
	Kernel driver in use: lpc_ich
	Kernel modules: lpc_ich

00:1f.2 SATA controller [0106]: Intel Corporation 8 Series/C220 Series Chipset Family 6-port SATA Controller 1 [AHCI mode] [8086:8c02] (rev 05) (prog-if 01 [AHCI 1.0])
	Subsystem: ZOTAC International (MCO) Ltd. 8 Series/C220 Series Chipset Family 6-port SATA Controller 1 [AHCI mode] [19da:b206]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0
	Interrupt: pin B routed to IRQ 27
	Region 0: I/O ports at f0b0 [size=8]
	Region 1: I/O ports at f0a0 [size=4]
	Region 2: I/O ports at f090 [size=8]
	Region 3: I/O ports at f080 [size=4]
	Region 4: I/O ports at f060 [size=32]
	Region 5: Memory at f7d1a000 (32-bit, non-prefetchable) [size=2K]
	Capabilities: <access denied>
	Kernel driver in use: ahci
	Kernel modules: ahci

00:1f.3 SMBus [0c05]: Intel Corporation 8 Series/C220 Series Chipset Family SMBus Controller [8086:8c22] (rev 05)
	Subsystem: ZOTAC International (MCO) Ltd. 8 Series/C220 Series Chipset Family SMBus Controller [19da:b206]
	Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
	Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Interrupt: pin C routed to IRQ 18
	Region 0: Memory at f7d19000 (64-bit, non-prefetchable) [size=256]
	Region 4: I/O ports at f040 [size=32]
	Kernel driver in use: i801_smbus
	Kernel modules: i2c_i801

02:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 07)
	Subsystem: ZOTAC International (MCO) Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [19da:8168]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 24
	Region 0: I/O ports at e000 [size=256]
	Region 2: Memory at f0104000 (64-bit, prefetchable) [size=4K]
	Region 4: Memory at f0100000 (64-bit, prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: r8169
	Kernel modules: r8169

03:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 07)
	Subsystem: ZOTAC International (MCO) Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [19da:8168]
	Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 25
	Region 0: I/O ports at d000 [size=256]
	Region 2: Memory at f0004000 (64-bit, prefetchable) [size=4K]
	Region 4: Memory at f0000000 (64-bit, prefetchable) [size=16K]
	Capabilities: <access denied>
	Kernel driver in use: r8169
	Kernel modules: r8169

04:00.0 Network controller [0280]: Intel Corporation Wireless 3160 [8086:08b3] (rev 83)
	Subsystem: Intel Corporation Dual Band Wireless-AC 3160 [8086:0070]
	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
	Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
	Latency: 0, Cache Line Size: 64 bytes
	Interrupt: pin A routed to IRQ 29
	Region 0: Memory at f7c00000 (64-bit, non-prefetchable) [size=8K]
	Capabilities: <access denied>
	Kernel driver in use: iwlwifi
	Kernel modules: iwlwifi


** USB devices:
Bus 002 Device 002: ID 8087:8000 Intel Corp. 
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:8008 Intel Corp. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 005: ID 8087:07dc Intel Corp. 
Bus 003 Device 003: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 003 Device 006: ID 0d3d:0001 Tangtop Technology Co., Ltd HID Keyboard
Bus 003 Device 004: ID 046d:c03e Logitech, Inc. Premium Optical Wheel Mouse (M-BT58)
Bus 003 Device 002: ID 0409:0059 NEC Corp. HighSpeed Hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


-- System Information:
Debian Release: buster/sid
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'testing'), (500, 'stable'), (50, 'unstable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.16.0-2-amd64 (SMP w/4 CPU cores)
Locale: LANG=C, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8), LANGUAGE=C (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages linux-image-4.17.0-1-amd64 depends on:
ii  initramfs-tools [linux-initramfs-tool]  0.131
ii  kmod                                    25-1
ii  linux-base                              4.5

Versions of packages linux-image-4.17.0-1-amd64 recommends:
pn  apparmor             <none>
ii  firmware-linux-free  3.4
pn  irqbalance           <none>

Versions of packages linux-image-4.17.0-1-amd64 suggests:
pn  debian-kernel-handbook  <none>
ii  grub-pc                 2.02+dfsg1-4
ii  linux-doc-4.17          4.17.8-1

Versions of packages linux-image-4.17.0-1-amd64 is related to:
ii  firmware-amd-graphics     20170823-1
pn  firmware-atheros          <none>
pn  firmware-bnx2             <none>
pn  firmware-bnx2x            <none>
pn  firmware-brcm80211        <none>
pn  firmware-cavium           <none>
pn  firmware-intel-sound      <none>
pn  firmware-intelwimax       <none>
pn  firmware-ipw2x00          <none>
pn  firmware-ivtv             <none>
ii  firmware-iwlwifi          20170823-1
pn  firmware-libertas         <none>
ii  firmware-linux-nonfree    20170823-1
ii  firmware-misc-nonfree     20170823-1
pn  firmware-myricom          <none>
pn  firmware-netxen           <none>
pn  firmware-qlogic           <none>
ii  firmware-realtek          20170823-1
pn  firmware-samsung          <none>
pn  firmware-siano            <none>
pn  firmware-ti-connectivity  <none>
pn  xen-hypervisor            <none>

-- no debconf information

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