El lun, 9 sept 2024 a las 5:00, Luca Marchetti (<l...@lucamarx.com>) escribió:
>
> Hi,
>
> I've been having this problem since the last sysupgrade.
>
> Thanks for your wonderful work.
>
> Best regards
>
> >Synopsis:      uvm fault when browsing remote filesystem mounted with sshfs
> >Category:      kernel
> >Environment:
> System      : OpenBSD 7.6
> Details     : OpenBSD 7.6-beta (GENERIC.MP) #312: Sat Sep  7 00:32:42 MDT 2024
> dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
>
> Architecture: OpenBSD.amd64
> Machine     : amd64
> >Description:
> Fault when browsing a remote directory mounted using sshfs
> >How-To-Repeat:
>
>         1. mount a remote directory with the command
>
>             sshfs -o idmap=user,allow_other,uid=1000,gid=1000 
> someuser@remote_host:remote_dir /home/someuser/mnt
>
>         2. cd to /home/someuser/mnt
>
>         3. system stops with uvm_fault (see attached photos)
>
>         sshfs version is:
>
>         SSHFS version 2.10
>         FUSE library version: 2.6
>
> >Fix:
>         Don't know any
>
> dmesg:
> OpenBSD 7.6-beta (GENERIC.MP) #312: Sat Sep  7 00:32:42 MDT 2024
>     dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP
> real mem = 8419082240 (8029MB)
> avail mem = 8140681216 (7763MB)
> random: good seed from bootblocks
> mpath0 at root
> scsibus0 at mpath0: 256 targets
> mainbus0 at root
> bios0 at mainbus0: SMBIOS rev. 2.8 @ 0xd7085000 (65 entries)
> bios0: vendor LENOVO version "R06ET71W (1.45 )" date 02/21/2022
> bios0: LENOVO 20FMS2291P
> efi0 at bios0: UEFI 2.4
> efi0: Lenovo rev 0x1450
> acpi0 at bios0: ACPI 5.0
> acpi0: sleep states S0 S3 S4 S5
> acpi0: tables DSDT FACP TCPA SSDT UEFI SSDT SSDT ECDT HPET APIC MCFG SSDT 
> SSDT DBGP DBG2 BOOT BATB SLIC SSDT SSDT MSDM ASF! FPDT UEFI
> acpi0: wakeup devices LID_(S4) SLPB(S3) IGBE(S4) EXP8(S4) XHCI(S3)
> acpitimer0 at acpi0: 3579545 Hz, 24 bits
> acpiec0 at acpi0
> 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) i5-6300U CPU @ 2.40GHz, 1197.21 MHz, 06-4e-03, patch 
> 000000f0
> cpu0: cpuid 1 
> edx=bfebfbff<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>
>  
> ecx=77fafbff<SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,SMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND>
> cpu0: cpuid 6 eax=27f7<SENSOR,ARAT> ecx=9<EFFFREQ>
> cpu0: cpuid 7.0 
> ebx=29c6fbf<FSGSBASE,TSC_ADJUST,SGX,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT>
>  edx=bc002e00<SRBDS_CTRL,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD>
> cpu0: cpuid a vers=4, gp=4, gpwidth=48, ff=3, ffwidth=48
> cpu0: cpuid d.1 eax=f<XSAVEOPT,XSAVEC,XGETBV1,XSAVES>
> cpu0: cpuid 80000001 edx=2c100800<NXE,PAGE1GB,RDTSCP,LONG> 
> ecx=121<LAHF,ABM,3DNOWP>
> cpu0: cpuid 80000007 edx=100<ITSC>
> cpu0: msr 10a=c04<RSBA,MISC_PKG_CT,ENERGY_FILT>
> cpu0: MELTDOWN
> cpu0: 32KB 64b/line 8-way D-cache, 32KB 64b/line 8-way I-cache, 256KB 
> 64b/line 4-way L2 cache, 3MB 64b/line 12-way L3 cache
> cpu0: smt 0, core 0, package 0
> mtrr: Pentium Pro MTRR support, 10 var ranges, 88 fixed ranges
> cpu0: apic clock running at 24MHz
> 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) i5-6300U CPU @ 2.40GHz, 934.65 MHz, 06-4e-03, patch 
> 000000f0
> cpu1: smt 0, core 1, package 0
> cpu2 at mainbus0: apid 1 (application processor)
> cpu2: Intel(R) Core(TM) i5-6300U CPU @ 2.40GHz, 897.91 MHz, 06-4e-03, patch 
> 000000f0
> cpu2: smt 1, core 0, package 0
> cpu3 at mainbus0: apid 3 (application processor)
> cpu3: Intel(R) Core(TM) i5-6300U CPU @ 2.40GHz, 897.91 MHz, 06-4e-03, patch 
> 000000f0
> cpu3: smt 1, core 1, package 0
> ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 120 pins
> acpimcfg0 at acpi0
> acpimcfg0: addr 0xf8000000, bus 0-63
> acpiprt0 at acpi0: bus 0 (PCI0)
> acpiprt1 at acpi0: bus -1 (PEG0)
> acpiprt2 at acpi0: bus -1 (PEG1)
> acpiprt3 at acpi0: bus -1 (PEG2)
> acpiprt4 at acpi0: bus 2 (EXP1)
> acpiprt5 at acpi0: bus 4 (EXP3)
> acpiprt6 at acpi0: bus -1 (EXP4)
> acpiprt7 at acpi0: bus -1 (EXP5)
> acpiprt8 at acpi0: bus -1 (EXP8)
> acpiprt9 at acpi0: bus -1 (RP09)
> acpibtn0 at acpi0: LID_(wakeup)
> acpibtn1 at acpi0: SLPB(wakeup)
> acpipci0 at acpi0 PCI0: 0x00000000 0x00000011 0x00000001
> acpicmos0 at acpi0
> acpibat0 at acpi0: BAT0 model "45N1773" serial    64 type LION oem "SANYO"
> acpibat1 at acpi0: BAT1 model "45N1127" serial   547 type LION oem "LGC"
> acpiac0 at acpi0: AC unit offline
> acpithinkpad0 at acpi0: version 1.0
> "PNP0C14" at acpi0 not configured
> "PNP0C14" at acpi0 not configured
> "PNP0C14" at acpi0 not configured
> tpm0 at acpi0 TPM_ 1.2 (TIS) addr 0xfed40000/0x5000, device 0x001b15d1 rev 
> 0x10
> 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 XHCI
> acpipwrres1 at acpi0: PG00, resource for PEG0
> acpipwrres2 at acpi0: PG01, resource for PEG1
> acpipwrres3 at acpi0: PG02, resource for PEG2
> acpipwrres4 at acpi0: WRST
> acpipwrres5 at acpi0: WRST
> acpitz0 at acpi0: critical temperature is 128 degC
> acpivideo0 at acpi0: GFX0
> acpivout0 at acpivideo0: DD1F
> cpu0: using VERW MDS workaround (except on vmm entry)
> cpu0: Enhanced SpeedStep 1197 MHz: speeds: 2401, 2400, 2300, 2200, 2000, 
> 1900, 1700, 1600, 1400, 1300, 1100, 1000, 800, 700, 500, 400 MHz
> pci0 at mainbus0 bus 0
> pchb0 at pci0 dev 0 function 0 "Intel Core 6G Host" rev 0x08
> inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 520" rev 0x07
> drm0 at inteldrm0
> inteldrm0: msi, SKYLAKE, gen 9
> 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
> "Intel 100 Series MEI" rev 0x21 at pci0 dev 22 function 0 not configured
> ahci0 at pci0 dev 23 function 0 "Intel 100 Series AHCI" rev 0x21: msi, AHCI 
> 1.3.1
> ahci0: port 1: 6.0Gb/s
> scsibus1 at ahci0: 32 targets
> sd0 at scsibus1 targ 1 lun 0: <ATA, SAMSUNG MZ7TE256, EXT0> 
> naa.5002538844584d30
> sd0: 244198MB, 512 bytes/sector, 500118192 sectors, thin
> ppb0 at pci0 dev 28 function 0 "Intel 100 Series PCIE" rev 0xf1: msi
> pci1 at ppb0 bus 2
> ppb1 at pci0 dev 28 function 2 "Intel 100 Series PCIE" rev 0xf1: msi
> pci2 at ppb1 bus 4
> iwm0 at pci2 dev 0 function 0 "Intel AC 8260" rev 0x3a, msi
> pcib0 at pci0 dev 31 function 0 "Intel 100 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 100 Series HD Audio" rev 0x21: msi
> azalia0: codecs: Realtek ALC293, Intel/0x2809, using Realtek ALC293
> audio0 at azalia0
> ichiic0 at pci0 dev 31 function 4 "Intel 100 Series SMBus" rev 0x21: apic 2 
> int 16
> iic0 at ichiic0
> em0 at pci0 dev 31 function 6 "Intel I219-LM" rev 0x21: msi, address 
> c8:5b:76:40:45:5a
> 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
> pms0 at pckbc0 (aux slot)
> wsmouse0 at pms0 mux 0
> wsmouse1 at pms0 mux 0
> pms0: Synaptics clickpad, firmware 8.2, 0x1e2b1 0x943300 0x2fed40 0xf006a3 
> 0x12e800
> pcppi0 at isa0 port 0x61
> spkr0 at pcppi0
> vmm0 at mainbus0: VMX/EPT
> efifb at mainbus0 not configured
> vscsi0 at root
> scsibus2 at vscsi0: 256 targets
> softraid0 at root
> scsibus3 at softraid0: 256 targets
> sd1 at scsibus3 targ 1 lun 0: <OPENBSD, SR CRYPTO, 006>
> sd1: 243938MB, 512 bytes/sector, 499585087 sectors
> root on sd1a (fc5b5cca2445e6d5.a) swap on sd1b dump on sd1b
> drm:pid0:intel_ddi_sanitize_encoder_pll_mapping *NOTICE* [drm] 
> [ENCODER:102:DDI B/PHY B] is disabled/in DSI mode with an ungated DDI clock, 
> gate it
> drm:pid0:intel_ddi_sanitize_encoder_pll_mapping *NOTICE* [drm] 
> [ENCODER:116:DDI C/PHY C] is disabled/in DSI mode with an ungated DDI clock, 
> gate it
> inteldrm0: 1920x1080, 32bpp
> wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation), using wskbd0
> wsdisplay0: screen 1-5 added (std, vt100 emulation)
> iwm0: hw rev 0x200, fw ver 36.ca7b901d.0, address e4:a4:71:84:e4:87
>
> usbdevs:
> Controller /dev/usb0:
> addr 01: 8086:0000 Intel, xHCI root hub
> super speed, self powered, config 1, rev 1.00
> driver: uhub0
>
>
> --
> lucamarx.com <https://lucamarx.com>


Hi!

Same error here, over OpenBSD GENERIC.MP#292 amd64, OpenBSD
GENERIC.MP#304 amd64 and OpenBSD GENERIC.MP#311 amd64, sshfs-fusefs
not work correctly, hard crash with UVM error.

On OpenBSD volfread 7.6 GENERIC.MP#286 amd64, this problem is not present.


-- 
"Dios en su Cielo, todo bien en la Tierra"
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