Hi ivpgbe@, Thanks for the details! Yes, it was not my intention to indicate anything; but since I saw those reports of bricked machines during the last days (and having Thinkpads myself) I wanted to be rather safe than sorry.
regards, Robert On Sun, 28 Oct 2018 07:15:10 -0700 ivp...@eml.cc wrote: > Hi Robert, > > I'm certainly not trolling (although I'm not sure what would be a protocol to > prove it, other than posting a video that shows all mentioned BIOS settings > and than a successful boot), and I'm sure you are not trolling either, as I > can see a number of postings to this mailing list and your first one is from > 10 years ago. [1] A never considered a threat model where a malicious user > posts knowingly bad BIOS settings to brick other users machines, thank you > for being vigilant. If anyone else thinks that posting a video with my BIOS > settings and a successful boot would be useful, I'm happy to do that. > > In addition to double-checking my settings, I also looked at 4 links you've > provided (I don't read German and can't check the last one). > > The first one is a very similar machine (the difference, from what I > understand, is that all Yoga's have a multi-touch screen), but the post is > from 7/13, and whatever the issue they encountered, I'm using a later BIOS > (version 1.31 from 9/15). > > The second one is posted on 9/15, but the author and few others with similar > problems have P52, which is a different machine - dual graphics with NVIDIA > chip and a different CPUs - either i8750H or i8850H 6-core processors, while > I have a i8550U. However, what is similar, is that enabling the BIOS Assist > Mode does indeed require a 15-sec or so reboot, as the author describes, and > that seemed to be a step that bricked their machine. > > The third author also has a different machine (P1, also with NVIDIA > graphics), and they refer to BIOS version 1.12 from 10/12 release - again, a > different BIOS. They also post a solution for their problem [2], however it > requires extracting firmware and flushing it to EEPROM, so you better know > what you are doing. > > The fourth author has a P72 (also a machine with NVIDIA graphics), and they > did say they changed something in BIOS although they never specify what > exactly. > > Thanks! > > [1] https://marc.info/?l=openbsd-misc&m=128033208924257&w=2 > [2] > https://www.reddit.com/r/thinkpad/comments/9rnimi/ladies_and_gentlemen_i_present_to_you_the/ > > On Sun, Oct 28, 2018, at 4:47 AM, Robert wrote: > > WARNING: > > > > I do not know if the orginal author is serious, or if he is trolling. > > > > But there are known issues with the stated Thunderbolt setting in BIOS > > that can brick your Thinkpad beyond repair (or BIOS reset). > > > > See here: > > https://forums.lenovo.com/t5/ThinkPad-X-Series-Laptops/Thinkpad-X1-Yoga-3rd-Gen-Stuck-at-Black-Screen-After-Enabling/td-p/4106952/page/3 > > https://forums.lenovo.com/t5/ThinkPad-P-and-W-Series-Mobile/Lenovo-P52-bricked-by-selecting-BIOS-thunderbolt-support-for/td-p/4207538 > > https://www.reddit.com/r/thinkpad/comments/9qmqd2/thinkpad_p1_serious_issue_with_bricked_bios/ > > https://www.reddit.com/r/thinkpad/comments/9nb3zo/new_thinkpad_p72_biosuefi_corrupted_just_black/ > > > > (german) > > https://www.notebookcheck.com/Lenovo-Einige-aktuelle-ThinkPads-koennen-scheinbar-durch-eine-UEFI-Einstellung-zerstoert-werden.346101.0.html > > > > /Robert > > > > > > On Sun, 28 Oct 2018 00:50:03 -0700 > > ivp...@eml.cc wrote: > > > > > Hello, > > > > > > several people reported about various problems with Lenovo Thinkpad X1 > > > Carbon 6th gen (X1C6), when performance become sluggish and fan goes > > > wild. [1] [2] [3] > > > > > > I had similar problem (system OK, become sluggish with high CPU > > > utilization after sleep/wake), but was able to completely and reliably > > > fix it by updating to latest Lenovo BIOS (2018-09-17, version 1.31), and > > > setting the following settings in the BIOS: > > > > > > * UEFI Secure Boot: Off > > > * Power -> Sleep State: Linux > > > * Startup -> UEFI/Legacy Boot: UEFI Only > > > * Startup -> CSM Support: Yes > > > * Config -> Thunderbolt(TM) 3 -> Thunderbolt BIOS Assist Mode: Enable > > > * Config -> Thunderbolt(TM) 3 -> Wake by Thunderbolt(TM) 3: Disable > > > > > > It's the Thunderbolt BIOS Assist Mode: Enable that finally solved my > > > problem. (In the BIOS itself, it recommends to set this option to Enable > > > for Linux systems). Everything is perfect now with my system. > > > > > > I'm running -current: > > > > > > thor$ dmesg | grep OpenBSD > > > OpenBSD 6.4-current (GENERIC.MP) #391: Thu Oct 25 15:27:35 MDT 2018 > > > > > > I'm happy to assist other OpenBSD users or developers if you need help > > > further investigating this issue. I have described my adventure, along > > > with dmesg and other details, here [4]. My dmesg is below. > > > > > > [1] https://www.youtube.com/watch?v=lb7mDXHGDFk > > > [2] https://marc.info/?l=openbsd-bugs&m=154070079630478 > > > [3] https://marc.info/?l=openbsd-bugs&m=153770491811274&w=2 > > > [4] > > > https://www.reddit.com/r/openbsd/comments/9q8atz/thinkpad_x1c6_heats_up_dramatically_drops/ > > > > > > OpenBSD 6.4-current (GENERIC.MP) #391: Thu Oct 25 15:27:35 MDT 2018 > > > dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP > > > real mem = 16912433152 (16128MB) > > > avail mem = 16390590464 (15631MB) > > > mpath0 at root > > > scsibus0 at mpath0: 256 targets > > > mainbus0 at root > > > bios0 at mainbus0: SMBIOS rev. 3.0 @ 0x4f057000 (63 entries) > > > bios0: vendor LENOVO version "N23ET56W (1.31 )" date 09/17/2018 > > > bios0: LENOVO 20KHCTO1WW > > > acpi0 at bios0: rev 2 > > > acpi0: sleep states S0 S3 S4 S5 > > > acpi0: tables DSDT FACP SSDT SSDT TPM2 UEFI SSDT SSDT HPET APIC MCFG ECDT > > > SSDT SSDT BOOT BATB SSDT SSDT SSDT LPIT WSMT SSDT SSDT SSDT DBGP DBG2 > > > MSDM DMAR NHLT ASF! FPDT UEFI > > > acpi0: wakeup devices GLAN(S4) XHC_(S3) XDCI(S4) HDAS(S4) RP01(S4) > > > PXSX(S4) RP02(S4) PXSX(S4) PXSX(S4) RP04(S4) PXSX(S4) RP05(S4) PXSX(S4) > > > RP06(S4) PXSX(S4) RP07(S4) [...] > > > acpitimer0 at acpi0: 3579545 Hz, 24 bits > > > acpihpet0 at acpi0: 23999999 Hz > > > acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat > > > cpu0 at mainbus0: apid 0 (boot processor) > > > cpu0: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz, 1393.14 MHz, 06-8e-0a > > > cpu0: > > > FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,SGX,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN > > > cpu0: 256KB 64b/line 8-way L2 cache > > > cpu0: smt 0, core 0, package 0 > > > mtrr: Pentium Pro MTRR support, 10 var ranges, 88 fixed ranges > > > cpu0: apic clock running at 23MHz > > > cpu0: mwait min=64, max=64, C-substates=0.2.1.2.4.1.1.1, IBE > > > cpu1 at mainbus0: apid 2 (application processor) > > > cpu1: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz, 1138.49 MHz, 06-8e-0a > > > cpu1: > > > FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,SGX,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN > > > cpu1: 256KB 64b/line 8-way L2 cache > > > cpu1: smt 0, core 1, package 0 > > > cpu2 at mainbus0: apid 4 (application processor) > > > cpu2: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz, 950.25 MHz, 06-8e-0a > > > cpu2: > > > FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,SGX,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN > > > cpu2: 256KB 64b/line 8-way L2 cache > > > cpu2: smt 0, core 2, package 0 > > > cpu3 at mainbus0: apid 6 (application processor) > > > cpu3: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz, 897.90 MHz, 06-8e-0a > > > cpu3: > > > FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,SGX,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN > > > cpu3: 256KB 64b/line 8-way L2 cache > > > cpu3: smt 0, core 3, package 0 > > > ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 120 pins > > > acpimcfg0 at acpi0 > > > acpimcfg0: addr 0xf0000000, bus 0-127 > > > acpiec0 at acpi0 > > > acpiprt0 at acpi0: bus 0 (PCI0) > > > acpiprt1 at acpi0: bus 2 (RP01) > > > acpiprt2 at acpi0: bus -1 (RP02) > > > acpiprt3 at acpi0: bus -1 (RP03) > > > acpiprt4 at acpi0: bus -1 (RP04) > > > acpiprt5 at acpi0: bus 4 (RP05) > > > acpiprt6 at acpi0: bus -1 (RP06) > > > acpiprt7 at acpi0: bus -1 (RP07) > > > acpiprt8 at acpi0: bus -1 (RP08) > > > acpiprt9 at acpi0: bus 5 (RP09) > > > acpiprt10 at acpi0: bus -1 (RP10) > > > acpiprt11 at acpi0: bus -1 (RP11) > > > acpiprt12 at acpi0: bus -1 (RP12) > > > acpiprt13 at acpi0: bus -1 (RP13) > > > acpiprt14 at acpi0: bus -1 (RP14) > > > acpiprt15 at acpi0: bus -1 (RP15) > > > acpiprt16 at acpi0: bus -1 (RP16) > > > acpiprt17 at acpi0: bus -1 (RP17) > > > acpiprt18 at acpi0: bus -1 (RP18) > > > acpiprt19 at acpi0: bus -1 (RP19) > > > acpiprt20 at acpi0: bus -1 (RP20) > > > acpiprt21 at acpi0: bus -1 (RP21) > > > acpiprt22 at acpi0: bus -1 (RP22) > > > acpiprt23 at acpi0: bus -1 (RP23) > > > acpiprt24 at acpi0: bus -1 (RP24) > > > acpicpu0 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), > > > C1(1000@1 mwait.1), PSS > > > acpicpu1 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), > > > C1(1000@1 mwait.1), PSS > > > acpicpu2 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), > > > C1(1000@1 mwait.1), PSS > > > acpicpu3 at acpi0: C3(200@1034 mwait.1@0x60), C2(200@151 mwait.1@0x33), > > > C1(1000@1 mwait.1), PSS > > > acpipwrres0 at acpi0: PUBS, resource for XHC_ > > > acpitz0 at acpi0: critical temperature is 128 degC > > > acpipci0 at acpi0 PCI0: 0x00000010 0x00000011 0x00000000 > > > acpithinkpad0 at acpi0 > > > acpiac0 at acpi0: AC unit offline > > > acpibat0 at acpi0: BAT0 model "01AV494" serial 2141 type LiP oem "LGC" > > > "LEN0100" at acpi0 not configured > > > "INT3403" at acpi0 not configured > > > acpicmos0 at acpi0 > > > "INT0E0C" at acpi0 not configured > > > acpibtn0 at acpi0: SLPB > > > "PNP0C14" at acpi0 not configured > > > acpibtn1 at acpi0: LID_ > > > "PNP0C14" at acpi0 not configured > > > "PNP0C14" at acpi0 not configured > > > "PNP0C14" at acpi0 not configured > > > "INT3400" at acpi0 not configured > > > "STM7304" at acpi0 not configured > > > "USBC000" at acpi0 not configured > > > acpivideo0 at acpi0: GFX0 > > > acpivout at acpivideo0 not configured > > > cpu0: Enhanced SpeedStep 1393 MHz: speeds: 2001, 2000, 1900, 1800, 1700, > > > 1500, 1400, 1300, 1200, 1100, 1000, 800, 700, 600, 500, 400 MHz > > > pci0 at mainbus0 bus 0 > > > pchb0 at pci0 dev 0 function 0 "Intel Core 8G Host" rev 0x08 > > > inteldrm0 at pci0 dev 2 function 0 "Intel UHD Graphics 620" rev 0x07 > > > drm0 at inteldrm0 > > > inteldrm0: msi > > > error: [drm:pid0:i915_firmware_load_error_print] *ERROR* failed to load > > > firmware i915/kbl_dmc_ver1.bin (-22) > > > inteldrm0: 2560x1440, 32bpp > > > wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation) > > > wsdisplay0: screen 1-5 added (std, vt100 emulation) > > > "Intel Core 6G Thermal" rev 0x08 at pci0 dev 4 function 0 not configured > > > "Intel Core GMM" rev 0x00 at pci0 dev 8 function 0 not configured > > > xhci0 at pci0 dev 20 function 0 "Intel 100 Series xHCI" rev 0x21: msi, > > > xHCI 1.0 > > > usb0 at xhci0: USB revision 3.0 > > > uhub0 at usb0 configuration 1 interface 0 "Intel xHCI root hub" rev > > > 3.00/1.00 addr 1 > > > pchtemp0 at pci0 dev 20 function 2 "Intel 100 Series Thermal" rev 0x21 > > > dwiic0 at pci0 dev 21 function 0 "Intel 100 Series I2C" rev 0x21: apic 2 > > > int 16 > > > iic0 at dwiic0 > > > "Intel 100 Series MEI" rev 0x21 at pci0 dev 22 function 0 not configured > > > ppb0 at pci0 dev 28 function 0 "Intel 100 Series PCIE" rev 0xf1: msi > > > pci1 at ppb0 bus 2 > > > iwm0 at pci1 dev 0 function 0 "Intel Dual Band Wireless-AC 8265" rev > > > 0x78, msi > > > ppb1 at pci0 dev 28 function 4 "Intel 100 Series PCIE" rev 0xf1: msi > > > pci2 at ppb1 bus 4 > > > nvme0 at pci2 dev 0 function 0 vendor "Intel", unknown product 0xf1a6 rev > > > 0x03: msi, NVMe 1.3 > > > nvme0: INTEL SSDPEKKF256G8L, firmware L08P, serial BTHH81460SY7256B > > > scsibus1 at nvme0: 1 targets > > > sd0 at scsibus1 targ 0 lun 0: <NVMe, INTEL SSDPEKKF25, L08P> SCSI4 > > > 0/direct fixed > > > sd0: 244198MB, 512 bytes/sector, 500118192 sectors > > > ppb2 at pci0 dev 29 function 0 "Intel 100 Series PCIE" rev 0xf1: msi > > > pci3 at ppb2 bus 5 > > > pcib0 at pci0 dev 31 function 0 "Intel 200 Series LPC" rev 0x21 > > > "Intel 100 Series PMC" rev 0x21 at pci0 dev 31 function 2 not configured > > > azalia0 at pci0 dev 31 function 3 "Intel 200 Series HD Audio" rev 0x21: > > > msi > > > azalia0: codecs: Realtek/0x0285, Intel/0x280b, using Realtek/0x0285 > > > audio0 at azalia0 > > > ichiic0 at pci0 dev 31 function 4 "Intel 100 Series SMBus" rev 0x21: apic > > > 2 int 16 > > > iic1 at ichiic0 > > > em0 at pci0 dev 31 function 6 "Intel I219-V" rev 0x21: msi, address > > > e8:6a:64:26:e9:46 > > > isa0 at pcib0 > > > isadma0 at isa0 > > > pckbc0 at isa0 port 0x60/5 irq 1 irq 12 > > > pckbd0 at pckbc0 (kbd slot) > > > wskbd0 at pckbd0: console keyboard, using wsdisplay0 > > > pms0 at pckbc0 (aux slot) > > > wsmouse0 at pms0 mux 0 > > > wsmouse1 at pms0 mux 0 > > > pms0: Synaptics clickpad, firmware 8.16, 0x1e2b1 0x940300 > > > pcppi0 at isa0 port 0x61 > > > spkr0 at pcppi0 > > > vmm0 at mainbus0: VMX/EPT > > > efifb at mainbus0 not configured > > > uvideo0 at uhub0 port 8 configuration 1 interface 0 "SunplusIT Inc > > > Integrated Camera" rev 2.01/17.11 addr 2 > > > video0 at uvideo0 > > > umass0 at uhub0 port 15 configuration 1 interface 0 "Generic USB3.0-CRW" > > > rev 3.00/29.08 addr 3 > > > umass0: using SCSI over Bulk-Only > > > scsibus2 at umass0: 2 targets, initiator 0 > > > sd1 at scsibus2 targ 1 lun 0: <Generic-, SD/MMC CRW, 1.00> SCSI4 0/direct > > > removable serial.0bda0328008282014000 > > > vscsi0 at root > > > scsibus3 at vscsi0: 256 targets > > > softraid0 at root > > > scsibus4 at softraid0: 256 targets > > > sd2 at scsibus4 targ 1 lun 0: <OPENBSD, SR CRYPTO, 006> SCSI2 0/direct > > > fixed > > > sd2: 244197MB, 512 bytes/sector, 500116577 sectors > > > root on sd2a (8c92a635b1e05d0d.a) swap on sd2b dump on sd2b > > > iwm0: hw rev 0x230, fw ver 22.361476.0, address 18:1d:ea:ff:aa:cd > > > acpivideo0: unknown event 0x00 > > > video0 detached > > > uvideo0 detached > > > sd1 detached > > > scsibus2 detached > > > umass0 detached > > > uhub0 detached > > > uhub0 at usb0 configuration 1 interface 0 "Intel xHCI root hub" rev > > > 3.00/1.00 addr 1 > > > uvideo0 at uhub0 port 8 configuration 1 interface 0 "SunplusIT Inc > > > Integrated Camera" rev 2.01/17.11 addr 2 > > > video0 at uvideo0 > > > umass0 at uhub0 port 15 configuration 1 interface 0 "Generic USB3.0-CRW" > > > rev 3.00/29.08 addr 3 > > > umass0: using SCSI over Bulk-Only > > > scsibus2 at umass0: 2 targets, initiator 0 > > > sd1 at scsibus2 targ 1 lun 0: <Generic-, SD/MMC CRW, 1.00> SCSI4 0/direct > > > removable serial.0bda0328008282014000 > > > > > >
