Probe #46bc533002 of Dell XPS 15 9570
Log: dmesg
[ 5850.088752] wlp59s0: deauthenticating from XX:XX:XX:XX:XX:XX by local choice (Reason: 3=DEAUTH_LEAVING)
[ 5850.530020] ACPI: button: The lid device is not compliant to SW_LID.
[ 5875.439535] rfkill: input handler enabled
[ 5877.101192] [drm:intel_dp_link_training_clock_recovery [i915]] *ERROR* failed to enable link training
[ 5878.405719] PM: suspend entry (s2idle)
[ 5878.420916] Filesystems sync: 0.015 seconds
[ 5878.421609] Freezing user space processes ... (elapsed 0.006 seconds) done.
[ 5878.427937] OOM killer disabled.
[ 5878.427938] Freezing remaining freezable tasks ... (elapsed 0.001 seconds) done.
[ 5878.429892] printk: Suspending console(s) (use no_console_suspend to debug)
[ 5878.634718] psmouse serio1: Failed to disable mouse on isa0060/serio1
[ 5879.747694] ACPI: EC: interrupt blocked
[13027.961646] typec port0-partner: parent port0 should not be sleeping
[13044.165794] ACPI: EC: interrupt unblocked
[13045.390296] pcieport 0000:00:1b.0: pciehp: Slot(20): Card present
[13045.390301] pcieport 0000:00:1b.0: pciehp: Slot(20): Link Up
[13045.523597] pci 0000:02:00.0: [8086:15da] type 01 class 0x060400
[13045.523739] pci 0000:02:00.0: enabling Extended Tags
[13045.523984] pci 0000:02:00.0: supports D1 D2
[13045.523988] pci 0000:02:00.0: PME# supported from D0 D1 D2 D3hot D3cold
[13045.524485] pci 0000:02:00.0: bridge configuration invalid ([bus 00-00]), reconfiguring
[13045.524683] pci 0000:03:00.0: [8086:15da] type 01 class 0x060400
[13045.524826] pci 0000:03:00.0: enabling Extended Tags
[13045.525054] pci 0000:03:00.0: supports D1 D2
[13045.525056] pci 0000:03:00.0: PME# supported from D0 D1 D2 D3hot D3cold
[13045.525302] pci 0000:03:01.0: [8086:15da] type 01 class 0x060400
[13045.525443] pci 0000:03:01.0: enabling Extended Tags
[13045.525665] pci 0000:03:01.0: supports D1 D2
[13045.525668] pci 0000:03:01.0: PME# supported from D0 D1 D2 D3hot D3cold
[13045.525902] pci 0000:03:02.0: [8086:15da] type 01 class 0x060400
[13045.526042] pci 0000:03:02.0: enabling Extended Tags
[13045.526263] pci 0000:03:02.0: supports D1 D2
[13045.526266] pci 0000:03:02.0: PME# supported from D0 D1 D2 D3hot D3cold
[13045.526554] pci 0000:02:00.0: PCI bridge to [bus 03-3a]
[13045.526571] pci 0000:02:00.0: bridge window [io 0x0000-0x0fff]
[13045.526579] pci 0000:02:00.0: bridge window [mem 0x00000000-0x000fffff]
[13045.526595] pci 0000:02:00.0: bridge window [mem 0x00000000-0x000fffff 64bit pref]
[13045.526601] pci 0000:03:00.0: bridge configuration invalid ([bus 00-00]), reconfiguring
[13045.526618] pci 0000:03:01.0: bridge configuration invalid ([bus 00-00]), reconfiguring
[13045.526635] pci 0000:03:02.0: bridge configuration invalid ([bus 00-00]), reconfiguring
[13045.526793] pci 0000:03:00.0: PCI bridge to [bus 04-3a]
[13045.526806] pci 0000:03:00.0: bridge window [io 0x0000-0x0fff]
[13045.526814] pci 0000:03:00.0: bridge window [mem 0x00000000-0x000fffff]
[13045.526828] pci 0000:03:00.0: bridge window [mem 0x00000000-0x000fffff 64bit pref]
[13045.526833] pci_bus 0000:04: busn_res: [bus 04-3a] end is updated to 04
[13045.526985] pci 0000:03:01.0: PCI bridge to [bus 05-3a]
[13045.526998] pci 0000:03:01.0: bridge window [io 0x0000-0x0fff]
[13045.527006] pci 0000:03:01.0: bridge window [mem 0x00000000-0x000fffff]
[13045.527020] pci 0000:03:01.0: bridge window [mem 0x00000000-0x000fffff 64bit pref]
[13045.527023] pci_bus 0000:05: busn_res: [bus 05-3a] end is updated to 39
[13045.527195] pci 0000:3a:00.0: [8086:15db] type 00 class 0x0c0330
[13045.527273] pci 0000:3a:00.0: reg 0x10: [mem 0x00000000-0x0000ffff]
[13045.527588] pci 0000:3a:00.0: supports D1 D2
[13045.527591] pci 0000:3a:00.0: PME# supported from D0 D1 D2 D3hot D3cold
[13045.527691] pci 0000:3a:00.0: 8.000 Gb/s available PCIe bandwidth, limited by 2.5 GT/s x4 link at 0000:03:02.0 (capable of 31.504 Gb/s with 8 GT/s x4 link)
[13045.527923] pci 0000:03:02.0: PCI bridge to [bus 3a]
[13045.527938] pci 0000:03:02.0: bridge window [io 0x0000-0x0fff]
[13045.527946] pci 0000:03:02.0: bridge window [mem 0x00000000-0x000fffff]
[13045.527960] pci 0000:03:02.0: bridge window [mem 0x00000000-0x000fffff 64bit pref]
[13045.527964] pci_bus 0000:3a: busn_res: [bus 3a] end is updated to 3a
[13045.527973] pci_bus 0000:03: busn_res: [bus 03-3a] end is updated to 3a
[13045.527987] pci 0000:03:01.0: bridge window [mem 0x00100000-0x001fffff 64bit pref] to [bus 05-39] add_size 100000 add_align 100000
[13045.527991] pci 0000:03:01.0: bridge window [mem 0x00100000-0x001fffff] to [bus 05-39] add_size 100000 add_align 100000
[13045.527998] pci 0000:02:00.0: bridge window [mem 0x00100000-0x003fffff 64bit pref] to [bus 03-3a] add_size 100000 add_align 100000
[13045.528003] pci 0000:02:00.0: bridge window [mem 0x00100000-0x003fffff] to [bus 03-3a] add_size 100000 add_align 100000
[13045.528015] pci 0000:02:00.0: BAR 14: assigned [mem 0xd4000000-0xea0fffff]
[13045.528020] pci 0000:02:00.0: BAR 15: assigned [mem 0x90000000-0xb1ffffff 64bit pref]
[13045.528023] pci 0000:02:00.0: BAR 13: no space for [io size 0x3000]
[13045.528026] pci 0000:02:00.0: BAR 13: failed to assign [io size 0x3000]
[13045.528032] pci 0000:02:00.0: BAR 13: no space for [io size 0x3000]
[13045.528034] pci 0000:02:00.0: BAR 13: failed to assign [io size 0x3000]
[13045.528043] pci 0000:03:00.0: BAR 14: assigned [mem 0xd4000000-0xd40fffff]
[13045.528047] pci 0000:03:00.0: BAR 15: assigned [mem 0x90000000-0x900fffff 64bit pref]
[13045.528050] pci 0000:03:01.0: BAR 14: assigned [mem 0xd4100000-0xe9ffffff]
[13045.528054] pci 0000:03:01.0: BAR 15: assigned [mem 0x90100000-0xb1efffff 64bit pref]
[13045.528057] pci 0000:03:02.0: BAR 14: assigned [mem 0xea000000-0xea0fffff]
[13045.528060] pci 0000:03:02.0: BAR 15: assigned [mem 0xb1f00000-0xb1ffffff 64bit pref]
[13045.528062] pci 0000:03:00.0: BAR 13: no space for [io size 0x1000]
[13045.528065] pci 0000:03:00.0: BAR 13: failed to assign [io size 0x1000]
[13045.528067] pci 0000:03:01.0: BAR 13: no space for [io size 0x1000]
[13045.528070] pci 0000:03:01.0: BAR 13: failed to assign [io size 0x1000]
[13045.528072] pci 0000:03:02.0: BAR 13: no space for [io size 0x1000]
[13045.528074] pci 0000:03:02.0: BAR 13: failed to assign [io size 0x1000]
[13045.528080] pci 0000:03:00.0: BAR 13: no space for [io size 0x1000]
[13045.528082] pci 0000:03:00.0: BAR 13: failed to assign [io size 0x1000]
[13045.528084] pci 0000:03:01.0: BAR 13: no space for [io size 0x1000]
[13045.528087] pci 0000:03:01.0: BAR 13: failed to assign [io size 0x1000]
[13045.528089] pci 0000:03:02.0: BAR 13: no space for [io size 0x1000]
[13045.528091] pci 0000:03:02.0: BAR 13: failed to assign [io size 0x1000]
[13045.528095] pci 0000:03:00.0: PCI bridge to [bus 04]
[13045.528111] pci 0000:03:00.0: bridge window [mem 0xd4000000-0xd40fffff]
[13045.528120] pci 0000:03:00.0: bridge window [mem 0x90000000-0x900fffff 64bit pref]
[13045.528134] pci 0000:03:01.0: PCI bridge to [bus 05-39]
[13045.528145] pci 0000:03:01.0: bridge window [mem 0xd4100000-0xe9ffffff]
[13045.528153] pci 0000:03:01.0: bridge window [mem 0x90100000-0xb1efffff 64bit pref]
[13045.528169] pci 0000:3a:00.0: BAR 0: assigned [mem 0xea000000-0xea00ffff]
[13045.528178] pci 0000:03:02.0: PCI bridge to [bus 3a]
[13045.528189] pci 0000:03:02.0: bridge window [mem 0xea000000-0xea0fffff]
[13045.528197] pci 0000:03:02.0: bridge window [mem 0xb1f00000-0xb1ffffff 64bit pref]
[13045.528211] pci 0000:02:00.0: PCI bridge to [bus 03-3a]
[13045.528223] pci 0000:02:00.0: bridge window [mem 0xd4000000-0xea0fffff]
[13045.528231] pci 0000:02:00.0: bridge window [mem 0x90000000-0xb1ffffff 64bit pref]
[13045.528245] pcieport 0000:00:1b.0: PCI bridge to [bus 02-3a]
[13045.528251] pcieport 0000:00:1b.0: bridge window [io 0x5000-0x6fff]
[13045.528262] pcieport 0000:00:1b.0: bridge window [mem 0xd4000000-0xea0fffff]
[13045.528270] pcieport 0000:00:1b.0: bridge window [mem 0x90000000-0xb1ffffff 64bit pref]
[13045.528284] PCI: No. 2 try to assign unassigned res
[13045.528290] pcieport 0000:00:1b.0: resource 13 [io 0x5000-0x6fff] released
[13045.528292] pcieport 0000:00:1b.0: PCI bridge to [bus 02-3a]
[13045.528320] pcieport 0000:00:1b.0: BAR 13: assigned [io 0x5000-0x7fff]
[13045.528323] pci 0000:02:00.0: BAR 13: assigned [io 0x5000-0x7fff]
[13045.528328] pci 0000:03:00.0: BAR 13: assigned [io 0x5000-0x5fff]
[13045.528331] pci 0000:03:01.0: BAR 13: assigned [io 0x6000-0x6fff]
[13045.528333] pci 0000:03:02.0: BAR 13: assigned [io 0x7000-0x7fff]
[13045.528336] pci 0000:03:00.0: PCI bridge to [bus 04]
[13045.528346] pci 0000:03:00.0: bridge window [io 0x5000-0x5fff]
[13045.528357] pci 0000:03:00.0: bridge window [mem 0xd4000000-0xd40fffff]
[13045.528365] pci 0000:03:00.0: bridge window [mem 0x90000000-0x900fffff 64bit pref]
[13045.528379] pci 0000:03:01.0: PCI bridge to [bus 05-39]
[13045.528384] pci 0000:03:01.0: bridge window [io 0x6000-0x6fff]
[13045.528395] pci 0000:03:01.0: bridge window [mem 0xd4100000-0xe9ffffff]
[13045.528404] pci 0000:03:01.0: bridge window [mem 0x90100000-0xb1efffff 64bit pref]
[13045.528418] pci 0000:03:02.0: PCI bridge to [bus 3a]
[13045.528423] pci 0000:03:02.0: bridge window [io 0x7000-0x7fff]
[13045.528434] pci 0000:03:02.0: bridge window [mem 0xea000000-0xea0fffff]
[13045.528442] pci 0000:03:02.0: bridge window [mem 0xb1f00000-0xb1ffffff 64bit pref]
[13045.528455] pci 0000:02:00.0: PCI bridge to [bus 03-3a]
[13045.528461] pci 0000:02:00.0: bridge window [io 0x5000-0x7fff]
[13045.528472] pci 0000:02:00.0: bridge window [mem 0xd4000000-0xea0fffff]
[13045.528480] pci 0000:02:00.0: bridge window [mem 0x90000000-0xb1ffffff 64bit pref]
[13045.528494] pcieport 0000:00:1b.0: PCI bridge to [bus 02-3a]
[13045.528499] pcieport 0000:00:1b.0: bridge window [io 0x5000-0x7fff]
[13045.528510] pcieport 0000:00:1b.0: bridge window [mem 0xd4000000-0xea0fffff]
[13045.528519] pcieport 0000:00:1b.0: bridge window [mem 0x90000000-0xb1ffffff 64bit pref]
[13045.528630] pci 0000:02:00.0: enabling device (0000 -> 0003)
[13045.528879] pci 0000:03:02.0: enabling device (0000 -> 0003)
[13045.529078] pci 0000:3a:00.0: enabling device (0000 -> 0002)
[13045.740034] pcieport 0000:03:00.0: enabling device (0000 -> 0003)
[13045.740674] pcieport 0000:03:01.0: enabling device (0000 -> 0003)
[13045.741028] pcieport 0000:03:01.0: pciehp: Slot #1 AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug+ Surprise+ Interlock- NoCompl+ LLActRep+
[13045.742195] xhci_hcd 0000:3a:00.0: xHCI Host Controller
[13045.742207] xhci_hcd 0000:3a:00.0: new USB bus registered, assigned bus number 3
[13045.743450] xhci_hcd 0000:3a:00.0: hcc params 0x200077c1 hci version 0x110 quirks 0x0000000200009810
[13045.743874] usb usb3: New USB device found, idVendor=1d6b, idProduct=0002, bcdDevice= 5.04
[13045.743877] usb usb3: New USB device strings: Mfr=3, Product=2, SerialNumber=...
[13045.743880] usb usb3: Product: xHCI Host Controller
[13045.743882] usb usb3: Manufacturer: Linux 5.4.0-81-generic xhci-hcd
[13045.743884] usb usb3: SerialNumber: ...
[13045.744254] hub 3-0:1.0: USB hub found
[13045.744277] hub 3-0:1.0: 2 ports detected
[13045.744651] xhci_hcd 0000:3a:00.0: xHCI Host Controller
[13045.744659] xhci_hcd 0000:3a:00.0: new USB bus registered, assigned bus number 4
[13045.744665] xhci_hcd 0000:3a:00.0: Host supports USB 3.1 Enhanced SuperSpeed
[13045.744750] usb usb4: New USB device found, idVendor=1d6b, idProduct=0003, bcdDevice= 5.04
[13045.744753] usb usb4: New USB device strings: Mfr=3, Product=2, SerialNumber=...
[13045.744756] usb usb4: Product: xHCI Host Controller
[13045.744758] usb usb4: Manufacturer: Linux 5.4.0-81-generic xhci-hcd
[13045.744760] usb usb4: SerialNumber: ...
[13045.745131] hub 4-0:1.0: USB hub found
[13045.745154] hub 4-0:1.0: 2 ports detected
[13045.755255] OOM killer enabled.
[13045.755257] Restarting tasks ...
[13045.766151] ata3: SATA link down (SStatus 4 SControl 300)
[13045.778732] pcieport 0000:00:1b.0: PME: Spurious native interrupt!
[13045.799642] done.
[13045.883236] usb 1-2: new full-speed USB device number 9 using xhci_hcd
[13045.946375] PM: suspend exit
[13046.034443] usb 1-2: New USB device found, idVendor=046d, idProduct=c52b, bcdDevice=24.10
[13046.034445] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=...
[13046.034446] usb 1-2: Product: USB Receiver
[13046.034446] usb 1-2: Manufacturer: Logitech
[13046.046718] logitech-djreceiver 0003:046D:C52B.000B: hiddev0,hidraw1: USB HID v1.11 Device [Logitech USB Receiver] on usb-0000:00:14.0-2/input2
[13046.202041] usb 4-1: Device not responding to setup address.
[13046.299306] usb 1-5: new high-speed USB device number 10 using xhci_hcd
[13046.320333] input: Logitech M705 as /devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.2/0003:046D:C52B.000B/0003:046D:101B.000C/input/input40
[13046.320571] logitech-hidpp-device 0003:046D:101B.000C: input,hidraw2: USB HID v1.11 Mouse [Logitech M705] on usb-0000:00:14.0-2/input2:1
[13046.418194] usb 4-1: Device not responding to setup address.
[13046.458462] usb 1-5: New USB device found, idVendor=05e3, idProduct=0610, bcdDevice=49.70
[13046.458464] usb 1-5: New USB device strings: Mfr=1, Product=2, SerialNumber=...
[13046.458465] usb 1-5: Product: USB2.0 Hub
[13046.458466] usb 1-5: Manufacturer: GenesysLogic
[13046.459834] hub 1-5:1.0: USB hub found
[13046.460647] hub 1-5:1.0: 4 ports detected
[13046.623269] usb 4-1: device not accepting address 2, error -71
[13046.755331] usb 1-5.2: new full-speed USB device number 11 using xhci_hcd
[13046.761764] rfkill: input handler disabled
[13046.827464] usb 4-1: new SuperSpeed Gen 1 USB device number 3 using xhci_hcd
[13046.850416] usb 4-1: New USB device found, idVendor=05e3, idProduct=0617, bcdDevice=49.70
[13046.850424] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=...
[13046.850428] usb 4-1: Product: USB3.1 Hub
[13046.850432] usb 4-1: Manufacturer: GenesysLogic
[13046.852645] hub 4-1:1.0: USB hub found
[13046.852971] hub 4-1:1.0: 4 ports detected
[13046.860695] usb 1-5.2: New USB device found, idVendor=0c45, idProduct=8513, bcdDevice= 1.12
[13046.860703] usb 1-5.2: New USB device strings: Mfr=1, Product=2, SerialNumber=...
[13046.860708] usb 1-5.2: Product: USB DEVICE
[13046.860712] usb 1-5.2: Manufacturer: SONiX
[13046.868677] input: SONiX USB DEVICE as /devices/pci0000:00/0000:00:14.0/usb1/1-5/1-5.2/1-5.2:1.0/0003:0C45:8513.000D/input/input42
[13046.931879] hid-generic 0003:0C45:8513.000D: input,hidraw3: USB HID v1.11 Keyboard [SONiX USB DEVICE] on usb-0000:00:14.0-5.2/input0
[13046.933440] input: SONiX USB DEVICE Keyboard as /devices/pci0000:00/0000:00:14.0/usb1/1-5/1-5.2/1-5.2:1.1/0003:0C45:8513.000E/input/input44
[13046.991301] input: SONiX USB DEVICE System Control as /devices/pci0000:00/0000:00:14.0/usb1/1-5/1-5.2/1-5.2:1.1/0003:0C45:8513.000E/input/input45
[13046.991353] input: SONiX USB DEVICE Consumer Control as /devices/pci0000:00/0000:00:14.0/usb1/1-5/1-5.2/1-5.2:1.1/0003:0C45:8513.000E/input/input46
[13046.991395] input: SONiX USB DEVICE as /devices/pci0000:00/0000:00:14.0/usb1/1-5/1-5.2/1-5.2:1.1/0003:0C45:8513.000E/input/input47
[13046.991463] hid-generic 0003:0C45:8513.000E: input,hiddev1,hidraw4: USB HID v1.11 Keyboard [SONiX USB DEVICE] on usb-0000:00:14.0-5.2/input1
[13047.031402] ath10k_pci 0000:3b:00.0: unsupported HTC service id: 1536
[13047.075298] usb 1-5.3: new full-speed USB device number 12 using xhci_hcd
[13047.143302] usb 4-1.1: new SuperSpeed Gen 1 USB device number 4 using xhci_hcd
[13047.168080] usb 4-1.1: New USB device found, idVendor=0bda, idProduct=8153, bcdDevice=30.00
[13047.168082] usb 4-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=...
[13047.168084] usb 4-1.1: Product: USB 10/100/1000 LAN
[13047.168085] usb 4-1.1: Manufacturer: Realtek
[13047.168087] usb 4-1.1: SerialNumber: ...
[13047.177660] usb 1-5.3: New USB device found, idVendor=10c4, idProduct=f407, bcdDevice= 1.00
[13047.177662] usb 1-5.3: New USB device strings: Mfr=1, Product=2, SerialNumber=...
[13047.177664] usb 1-5.3: Product: EFM8 HID ISP
[13047.177666] usb 1-5.3: Manufacturer: Silicon Laboratories
[13047.177667] usb 1-5.3: SerialNumber: ...
[13047.185893] hid-generic 0003:10C4:F407.000F: hiddev2,hidraw5: USB HID v1.11 Device [Silicon Laboratories EFM8 HID ISP] on usb-0000:00:14.0-5.3/input0
[13047.251635] usb 4-1.1: reset SuperSpeed Gen 1 USB device number 4 using xhci_hcd
[13047.274567] r8152 4-1.1:1.0 (unnamed net_device) (uninitialized): Using pass-thru MAC addr XX:XX:XX:XX:XX:XX
[13047.308051] r8152 4-1.1:1.0 eth0: v1.10.11
[13047.475534] pci_bus 0000:04: Allocating resources
[13047.475550] pci_bus 0000:3a: Allocating resources
[13048.661886] r8152 4-1.1:1.0 enxc8f750c323a8: renamed from eth0
[13050.314361] logitech-hidpp-device 0003:046D:101B.000C: HID++ 1.0 device connected.
[13050.853238] IPv6: ADDRCONF(NETDEV_CHANGE): enxc8f750c323a8: link becomes ready
[13050.854131] r8152 4-1.1:1.0 enxc8f750c323a8: carrier on
[13052.168951] wlp59s0: authenticate with XX:XX:XX:XX:XX:XX
[13052.206452] wlp59s0: send auth to XX:XX:XX:XX:XX:XX (try 1/3)
[13052.207177] wlp59s0: authenticated
[13052.211264] wlp59s0: associate with XX:XX:XX:XX:XX:XX (try 1/3)
[13052.212416] wlp59s0: RX AssocResp from XX:XX:XX:XX:XX:XX (capab=0x11 status=0 aid=8)
[13052.215328] wlp59s0: associated
[13052.215640] ath: EEPROM regdomain: 0x8114
[13052.215642] ath: EEPROM indicates we should expect a country code
[13052.215644] ath: doing EEPROM country->regdmn map search
[13052.215645] ath: country maps to regdmn code: 0x37
[13052.215647] ath: Country alpha2 being used: DE
[13052.215648] ath: Regpair used: 0x37
[13052.215650] ath: regdomain 0x8114 dynamically updated by country element
[13052.236814] IPv6: ADDRCONF(NETDEV_CHANGE): wlp59s0: link becomes ready
[13052.267117] wlp59s0: Limiting TX power to 23 (23 - 0) dBm as advertised by XX:XX:XX:XX:XX:XX
[13392.768108] vboxdrv: Found 12 processor cores
[13392.788674] vboxdrv: TSC mode is Invariant, tentative frequency 2208004050 Hz
[13392.788675] vboxdrv: Successfully loaded version 6.1.26_Ubuntu r145957 (interface 0x00300000)
[13392.796440] VBoxNetFlt: Successfully started.
[13392.801854] VBoxNetAdp: Successfully started.
[13396.627353] vboxdrv: Found 12 processor cores
[13396.644778] vboxdrv: TSC mode is Invariant, tentative frequency 2208004102 Hz
[13396.644779] vboxdrv: Successfully loaded version 6.1.26_Ubuntu r145957 (interface 0x00300000)
[13396.650958] VBoxNetFlt: Successfully started.
[13396.656213] VBoxNetAdp: Successfully started.
[13654.384694] Non-volatile memory driver v1.3
[13654.603418] st: Version 20160209, fixed bufsize 32768, s/g segs 256