Hi,

I use two hard drives in an enclosure connected to my PC using UAS. The
enclosure is a JMicron JMS56x (152d:0562); the drives are a Fujitsu MHZ2160BH
G2 (2"5, 160GB) and a Western Digital EFRX-68N32N0 (3"5, 4TB).

Using a USB2 port, I can see both drives as expected. I used to be able to use
both drives using a USB3 port (and UAS) in Linux 4.11 and 4.12, but I am
experiencing a bug starting with Linux 4.13.

When I plug the USB cable, I can see the following output in dmesg:

[Tue Feb  6 22:17:49 2018] usb 4-2: new SuperSpeed USB device number 10 using 
xhci_hcd
[Tue Feb  6 22:17:49 2018] usb 4-2: New USB device found, idVendor=152d, 
idProduct=0562
[Tue Feb  6 22:17:49 2018] usb 4-2: New USB device strings: Mfr=1, Product=2, 
SerialNumber=5
[Tue Feb  6 22:17:49 2018] usb 4-2: Product: JMS56x Series
[Tue Feb  6 22:17:49 2018] usb 4-2: Manufacturer: JMicron
[Tue Feb  6 22:17:49 2018] usb 4-2: SerialNumber: RANDOM__8A4D7F833EEF
[Tue Feb  6 22:17:49 2018] scsi host6: uas
[Tue Feb  6 22:17:50 2018] scsi 6:0:0:0: Direct-Access     FUJITSU  MHZ2160BH 
G2     0104 PQ: 0 ANSI: 6
[Tue Feb  6 22:17:50 2018] scsi 6:0:0:1: Direct-Access     WDC WD40 
EFRX-68N32N0     0104 PQ: 0 ANSI: 6
[Tue Feb  6 22:17:50 2018] sd 6:0:0:0: Attached scsi generic sg2 type 0
[Tue Feb  6 22:17:50 2018] sd 6:0:0:1: Attached scsi generic sg3 type 0
[Tue Feb  6 22:17:57 2018] sd 6:0:0:0: [sdb] 312581808 512-byte logical blocks: 
(160 GB/149 GiB)
[Tue Feb  6 22:17:57 2018] sd 6:0:0:1: [sdc] 7814037168 512-byte logical 
blocks: (4.00 TB/3.64 TiB)
[Tue Feb  6 22:17:57 2018] sd 6:0:0:0: [sdb] Write Protect is off
[Tue Feb  6 22:17:57 2018] sd 6:0:0:0: [sdb] Mode Sense: 67 00 10 08
[Tue Feb  6 22:17:57 2018] sd 6:0:0:1: [sdc] Write Protect is off
[Tue Feb  6 22:17:57 2018] sd 6:0:0:1: [sdc] Mode Sense: 67 00 10 08
[Tue Feb  6 22:17:57 2018] sd 6:0:0:0: [sdb] Write cache: enabled, read cache: 
enabled, supports DPO and FUA
[Tue Feb  6 22:17:57 2018] sd 6:0:0:1: [sdc] Write cache: enabled, read cache: 
enabled, supports DPO and FUA
[Tue Feb  6 22:17:57 2018]  sdb: sdb1
[Tue Feb  6 22:17:57 2018] sd 6:0:0:0: [sdb] Attached SCSI disk
[Tue Feb  6 22:18:27 2018] sd 6:0:0:1: tag#1 uas_eh_abort_handler 0 uas-tag 2 
inflight: IN 
[Tue Feb  6 22:18:27 2018] sd 6:0:0:1: tag#1 CDB: Inquiry 12 01 00 00 40 00
[Tue Feb  6 22:18:27 2018] scsi host6: uas_eh_device_reset_handler start
[Tue Feb  6 22:18:28 2018] usb 4-2: reset SuperSpeed USB device number 10 using 
xhci_hcd
[Tue Feb  6 22:18:28 2018] usb 4-2: device firmware changed
[Tue Feb  6 22:18:28 2018] scsi host6: uas_post_reset: alloc streams error -19 
after reset
[Tue Feb  6 22:18:28 2018] usb 4-2: USB disconnect, device number 10
[Tue Feb  6 22:20:29 2018] iwlwifi 0000:03:00.0: Radio type=0x0-0x3-0x1
[Tue Feb  6 22:20:29 2018] iwlwifi 0000:03:00.0: Radio type=0x0-0x3-0x1
[Tue Feb  6 22:20:29 2018] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[Tue Feb  6 22:20:30 2018] INFO: task kworker/0:3:191 blocked for more than 120 
seconds.
[Tue Feb  6 22:20:30 2018]       Not tainted 4.14.0-3-amd64 #1 Debian 4.14.13-1
[Tue Feb  6 22:20:30 2018] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" 
disables this message.
[Tue Feb  6 22:20:30 2018] kworker/0:3     D    0   191      2 0x80000000
[Tue Feb  6 22:20:30 2018] Workqueue: usb_hub_wq hub_event [usbcore]
[Tue Feb  6 22:20:30 2018] Call Trace:
[Tue Feb  6 22:20:30 2018]  ? __schedule+0x28e/0x880
[Tue Feb  6 22:20:30 2018]  schedule+0x28/0x80
[Tue Feb  6 22:20:30 2018]  schedule_preempt_disabled+0xa/0x10
[Tue Feb  6 22:20:30 2018]  __mutex_lock.isra.1+0x1a0/0x4e0
[Tue Feb  6 22:20:30 2018]  ? _dev_info+0x64/0x80
[Tue Feb  6 22:20:30 2018]  ? usb_disconnect+0x57/0x260 [usbcore]
[Tue Feb  6 22:20:30 2018]  usb_disconnect+0x57/0x260 [usbcore]
[Tue Feb  6 22:20:30 2018]  hub_event+0x52b/0x15d0 [usbcore]
[Tue Feb  6 22:20:30 2018]  process_one_work+0x185/0x380
[Tue Feb  6 22:20:30 2018]  worker_thread+0x2e/0x390
[Tue Feb  6 22:20:30 2018]  ? process_one_work+0x380/0x380
[Tue Feb  6 22:20:30 2018]  kthread+0x118/0x130
[Tue Feb  6 22:20:30 2018]  ? kthread_create_on_node+0x70/0x70
[Tue Feb  6 22:20:30 2018]  ret_from_fork+0x1f/0x30
[Tue Feb  6 22:20:30 2018] INFO: task scsi_eh_6:9856 blocked for more than 120 
seconds.
[Tue Feb  6 22:20:30 2018]       Not tainted 4.14.0-3-amd64 #1 Debian 4.14.13-1
[Tue Feb  6 22:20:30 2018] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" 
disables this message.
[Tue Feb  6 22:20:30 2018] scsi_eh_6       D    0  9856      2 0x80000000
[Tue Feb  6 22:20:30 2018] Call Trace:
[Tue Feb  6 22:20:30 2018]  ? __schedule+0x28e/0x880
[Tue Feb  6 22:20:30 2018]  schedule+0x28/0x80
[Tue Feb  6 22:20:30 2018]  async_synchronize_cookie_domain+0x96/0x140
[Tue Feb  6 22:20:30 2018]  ? finish_wait+0x80/0x80
[Tue Feb  6 22:20:30 2018]  sd_remove+0x48/0xc0 [sd_mod]
[Tue Feb  6 22:20:30 2018]  device_release_driver_internal+0x157/0x210
[Tue Feb  6 22:20:30 2018]  bus_remove_device+0xe2/0x150
[Tue Feb  6 22:20:30 2018]  device_del+0x1c9/0x340
[Tue Feb  6 22:20:30 2018]  ? attribute_container_device_trigger+0x75/0xd0
[Tue Feb  6 22:20:30 2018]  __scsi_remove_device+0xf0/0x120 [scsi_mod]
[Tue Feb  6 22:20:30 2018]  scsi_forget_host+0x20/0x60 [scsi_mod]
[Tue Feb  6 22:20:30 2018]  scsi_remove_host+0x72/0x100 [scsi_mod]
[Tue Feb  6 22:20:30 2018]  uas_disconnect+0x80/0xa0 [uas]
[Tue Feb  6 22:20:30 2018]  usb_unbind_interface+0x71/0x290 [usbcore]
[Tue Feb  6 22:20:30 2018]  device_release_driver_internal+0x157/0x210
[Tue Feb  6 22:20:30 2018]  usb_forced_unbind_intf+0x25/0x50 [usbcore]
[Tue Feb  6 22:20:30 2018]  unbind_marked_interfaces.isra.13+0x47/0x60 [usbcore]
[Tue Feb  6 22:20:30 2018]  usb_unbind_and_rebind_marked_interfaces+0x15/0x30 
[usbcore]
[Tue Feb  6 22:20:30 2018]  usb_reset_device+0x198/0x270 [usbcore]
[Tue Feb  6 22:20:30 2018]  ? scsi_eh_get_sense+0x240/0x240 [scsi_mod]
[Tue Feb  6 22:20:30 2018]  uas_eh_device_reset_handler+0xac/0x180 [uas]
[Tue Feb  6 22:20:30 2018]  ? scsi_try_target_reset+0x90/0x90 [scsi_mod]
[Tue Feb  6 22:20:30 2018]  scsi_eh_ready_devs+0x353/0xe20 [scsi_mod]
[Tue Feb  6 22:20:30 2018]  ? __pm_runtime_resume+0x54/0x70
[Tue Feb  6 22:20:30 2018]  ? scsi_try_target_reset+0x90/0x90 [scsi_mod]
[Tue Feb  6 22:20:30 2018]  ? scsi_eh_get_sense+0x240/0x240 [scsi_mod]
[Tue Feb  6 22:20:30 2018]  scsi_error_handler+0x4c6/0x5b0 [scsi_mod]
[Tue Feb  6 22:20:30 2018]  ? scsi_eh_get_sense+0x240/0x240 [scsi_mod]
[Tue Feb  6 22:20:30 2018]  kthread+0x118/0x130
[Tue Feb  6 22:20:30 2018]  ? kthread_create_on_node+0x70/0x70
[Tue Feb  6 22:20:30 2018]  ret_from_fork+0x1f/0x30

Both disks seem to be detected at some point, but I cannot list them using
"fdisk -l". 

I cannot reproduce this issue with a Western Digital WD10JPVT-00A1YT0 (1TB)
drive and a JMicron JMS566 (357d:7788) enclosure: everything works as expected.

I could bisect the issue. The compilation failed towards the end, but I was
left with the following message from git:

# only skipped commits left to test
# possible first bad commit: [e6b20121c6d5d17d38ea93d1ec550713142e54c2] xhci: 
Add helper to get hardware dequeue pointer for stopped rings.
# possible first bad commit: [8790736dbf2676ea398d8de952c791009290e3cc] xhci: 
Add stream id to xhci_dequeue_state structure
# possible first bad commit: [cdd504e11391f0811a681d6efc680ca1e1c8ffac] xhci: 
Find out where an endpoint or stream stopped from its context.
# possible first bad commit: [ed18c5fa945768a9bec994e786edbbbc7695acf6] usb: 
optimize acpi companion search for usb port devices
# possible first bad commit: [11e1d25db643da9d620bfc53b14ff7151220b5fb] xhci: 
remove unused stopped_td pointer


The output of lspci -vvv:
00:00.0 Host bridge: Intel Corporation 3rd Gen Core processor DRAM Controller 
(rev 09)
        Subsystem: Lenovo 3rd Gen Core processor DRAM Controller
        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: ivb_uncore

00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor 
Graphics Controller (rev 09) (prog-if 00 [VGA controller])
        Subsystem: Lenovo 3rd Gen Core processor Graphics Controller
        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 29
        Region 0: Memory at f0000000 (64-bit, non-prefetchable) [size=4M]
        Region 2: Memory at e0000000 (64-bit, prefetchable) [size=256M]
        Region 4: I/O ports at 5000 [size=64]
        [virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
        Capabilities: <access denied>
        Kernel driver in use: i915
        Kernel modules: i915

00:14.0 USB controller: Intel Corporation 7 Series/C210 Series Chipset Family 
USB xHCI Host Controller (rev 04) (prog-if 30 [XHCI])
        Subsystem: Lenovo 7 Series/C210 Series Chipset Family USB xHCI Host 
Controller
        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 25
        Region 0: Memory at f2520000 (64-bit, non-prefetchable) [size=64K]
        Capabilities: <access denied>
        Kernel driver in use: xhci_hcd
        Kernel modules: xhci_pci

00:16.0 Communication controller: Intel Corporation 7 Series/C216 Chipset 
Family MEI Controller #1 (rev 04)
        Subsystem: Lenovo 7 Series/C216 Chipset Family MEI Controller
        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 27
        Region 0: Memory at f2535000 (64-bit, non-prefetchable) [size=16]
        Capabilities: <access denied>
        Kernel driver in use: mei_me
        Kernel modules: mei_me

00:19.0 Ethernet controller: Intel Corporation 82579LM Gigabit Network 
Connection (rev 04)
        Subsystem: Lenovo 82579LM Gigabit Network Connection (Lewisville)
        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 24
        Region 0: Memory at f2500000 (32-bit, non-prefetchable) [size=128K]
        Region 1: Memory at f253b000 (32-bit, non-prefetchable) [size=4K]
        Region 2: I/O ports at 5080 [size=32]
        Capabilities: <access denied>
        Kernel driver in use: e1000e
        Kernel modules: e1000e

00:1a.0 USB controller: Intel Corporation 7 Series/C216 Chipset Family USB 
Enhanced Host Controller #2 (rev 04) (prog-if 20 [EHCI])
        Subsystem: Lenovo 7 Series/C216 Chipset Family USB Enhanced Host 
Controller
        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 f253a000 (32-bit, non-prefetchable) [size=1K]
        Capabilities: <access denied>
        Kernel driver in use: ehci-pci
        Kernel modules: ehci_pci

00:1b.0 Audio device: Intel Corporation 7 Series/C216 Chipset Family High 
Definition Audio Controller (rev 04)
        Subsystem: Lenovo 7 Series/C216 Chipset Family High Definition Audio 
Controller
        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 30
        Region 0: Memory at f2530000 (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: Intel Corporation 7 Series/C216 Chipset Family PCI Express 
Root Port 1 (rev c4) (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=02, subordinate=02, sec-latency=0
        I/O behind bridge: 00004000-00004fff
        Memory behind bridge: f1d00000-f24fffff
        Prefetchable memory behind bridge: 00000000f0400000-00000000f0bfffff
        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.1 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI 
Express Root Port 2 (rev c4) (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=03, subordinate=03, sec-latency=0
        I/O behind bridge: 0000f000-00000fff
        Memory behind bridge: f1c00000-f1cfffff
        Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff
        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.2 PCI bridge: Intel Corporation 7 Series/C210 Series Chipset Family PCI 
Express Root Port 3 (rev c4) (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 C routed to IRQ 18
        Bus: primary=00, secondary=04, subordinate=0b, sec-latency=0
        I/O behind bridge: 00003000-00003fff
        Memory behind bridge: f1400000-f1bfffff
        Prefetchable memory behind bridge: 00000000f0c00000-00000000f13fffff
        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: Intel Corporation 7 Series/C216 Chipset Family USB 
Enhanced Host Controller #1 (rev 04) (prog-if 20 [EHCI])
        Subsystem: Lenovo 7 Series/C216 Chipset Family USB Enhanced Host 
Controller
        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 f2539000 (32-bit, non-prefetchable) [size=1K]
        Capabilities: <access denied>
        Kernel driver in use: ehci-pci
        Kernel modules: ehci_pci

00:1f.0 ISA bridge: Intel Corporation QM77 Express Chipset LPC Controller (rev 
04)
        Subsystem: Lenovo QM77 Express Chipset LPC Controller
        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: Intel Corporation 7 Series Chipset Family 6-port SATA 
Controller [AHCI mode] (rev 04) (prog-if 01 [AHCI 1.0])
        Subsystem: Lenovo 7 Series Chipset Family 6-port SATA Controller [AHCI 
mode]
        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 26
        Region 0: I/O ports at 50a8 [size=8]
        Region 1: I/O ports at 50b4 [size=4]
        Region 2: I/O ports at 50a0 [size=8]
        Region 3: I/O ports at 50b0 [size=4]
        Region 4: I/O ports at 5060 [size=32]
        Region 5: Memory at f2538000 (32-bit, non-prefetchable) [size=2K]
        Capabilities: <access denied>
        Kernel driver in use: ahci
        Kernel modules: ahci

00:1f.3 SMBus: Intel Corporation 7 Series/C216 Chipset Family SMBus Controller 
(rev 04)
        Subsystem: Lenovo 7 Series/C216 Chipset Family SMBus Controller
        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 f2534000 (64-bit, non-prefetchable) [size=256]
        Region 4: I/O ports at efa0 [size=32]
        Kernel driver in use: i801_smbus
        Kernel modules: i2c_i801

02:00.0 System peripheral: Ricoh Co Ltd PCIe SDXC/MMC Host Controller (rev 07) 
(prog-if 01)
        Subsystem: Lenovo PCIe SDXC/MMC Host Controller
        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
        Region 0: Memory at f1d00000 (32-bit, non-prefetchable) [size=256]
        Capabilities: <access denied>
        Kernel driver in use: sdhci-pci
        Kernel modules: sdhci_pci

03:00.0 Network controller: Intel Corporation Centrino Ultimate-N 6300 (rev 3e)
        Subsystem: Intel Corporation Centrino Ultimate-N 6300 3x3 AGN
        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 28
        Region 0: Memory at f1c00000 (64-bit, non-prefetchable) [size=8K]
        Capabilities: <access denied>
        Kernel driver in use: iwlwifi
        Kernel modules: iwlwifi


There does not seem to be much related to my JMicron enclosure, so here is the
relevant part of lspci on another machine running Linux 4.11:

03:00.0 System peripheral: JMicron Technology Corp. SD/MMC Host Controller (rev 
30)
        Subsystem: CLEVO/KAPOK Computer SD/MMC Host Controller
        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: 32 bytes
        Interrupt: pin A routed to IRQ 19
        Region 0: Memory at f7202000 (32-bit, non-prefetchable) [size=256]
        Capabilities: [a4] Power Management version 3
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [80] Express (v1) Endpoint, MSI 00
                DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns, 
L1 <1us
                        ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset- 
SlotPowerLimit 0.000W
                DevCtl: Report errors: Correctable- Non-Fatal- Fatal- 
Unsupported-
                        RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
                        MaxPayload 128 bytes, MaxReadReq 512 bytes
                DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr- 
TransPend-
                LnkCap: Port #1, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit 
Latency L0s unlimited, L1 unlimited
                        ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp-
                LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ 
DLActive- BWMgmt- ABWMgmt-
        Capabilities: [94] MSI: Enable- Count=1/1 Maskable- 64bit-
                Address: fffffffc  Data: 0000
        Kernel driver in use: sdhci-pci
        Kernel modules: sdhci_pci

03:00.2 SD Host controller: JMicron Technology Corp. Standard SD Host 
Controller (rev 30) (prog-if 01)
        Subsystem: CLEVO/KAPOK Computer Standard SD Host Controller
        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-
        Interrupt: pin A routed to IRQ 19
        Region 0: Memory at f7201000 (32-bit, non-prefetchable) [size=256]
        Capabilities: [a4] Power Management version 3
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [80] Express (v1) Endpoint, MSI 00
                DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns, 
L1 <1us
                        ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset- 
SlotPowerLimit 0.000W
                DevCtl: Report errors: Correctable- Non-Fatal- Fatal- 
Unsupported-
                        RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
                        MaxPayload 128 bytes, MaxReadReq 512 bytes
                DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr- 
TransPend-
                LnkCap: Port #1, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit 
Latency L0s unlimited, L1 unlimited
                        ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp-
                LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ 
DLActive- BWMgmt- ABWMgmt-
        Capabilities: [94] MSI: Enable- Count=1/1 Maskable- 64bit-
                Address: fffffffc  Data: 0000
        Kernel modules: sdhci_pci

03:00.3 System peripheral: JMicron Technology Corp. MS Host Controller (rev 30)
        Subsystem: CLEVO/KAPOK Computer MS Host Controller
        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: 32 bytes
        Interrupt: pin A routed to IRQ 19
        Region 0: Memory at f7200000 (32-bit, non-prefetchable) [size=256]
        Capabilities: [a4] Power Management version 3
                Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA 
PME(D0-,D1-,D2-,D3hot-,D3cold-)
                Status: D0 NoSoftRst+ PME-Enable- DSel=0 DScale=0 PME-
        Capabilities: [80] Express (v1) Endpoint, MSI 00
                DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns, 
L1 <1us
                        ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset- 
SlotPowerLimit 0.000W
                DevCtl: Report errors: Correctable- Non-Fatal- Fatal- 
Unsupported-
                        RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-
                        MaxPayload 128 bytes, MaxReadReq 512 bytes
                DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr- 
TransPend-
                LnkCap: Port #1, Speed 2.5GT/s, Width x1, ASPM L0s L1, Exit 
Latency L0s unlimited, L1 unlimited
                        ClockPM- Surprise- LLActRep- BwNot- ASPMOptComp-
                LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- CommClk+
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ 
DLActive- BWMgmt- ABWMgmt-
        Capabilities: [94] MSI: Enable- Count=1/1 Maskable- 64bit-
                Address: fffffffc  Data: 0000
        Kernel driver in use: jmb38x_ms
        Kernel modules: jmb38x_ms



Regards,
Cyril Roelandt.
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