I think my recent commits to ext2fs have fixed this and related issues.

.... Ken


On 24 December 2015 at 12:56, Lampshade <[email protected]> wrote:
> Hello
> I have reproductible problem on snapshots dated
> 18,19 and 23 December 2015.
> I haven't tested older versions.
>
> sysctl kern.version
> kern.version=OpenBSD 5.9-beta (GENERIC.MP) #1778: Wed Dec 23
> 18:23:06 MST 2015
>     [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
>
> Problem is with fsck_ext2fs. It thinks that ext2 fs is corrupted.
> Worst case scenario is when you have ext2fs in /etc/fstab, so you can not boot
> to normal OpenBSD mode, but you don't need it to reproduce problem.
> I have tested two ways to reproduce problem:
> 1. First is pure OpenBSD based.
> 2. Second is a mix of Gnu/Linux and OpenBSD.
>
> First way of reproducing the problem:
> newfs_ext2fs /dev/rsd0f
> mount -t ext2fs /dev/sd0f /mnt/ext2/
> touch /mnt/ext2/1
> echo something > /mnt/ext2/2
> echo "second line"  >> /mnt/ext2/2
> sync
> umount /dev/sd0f
> fsck_ext2fs /dev/rsd0f
> ** /dev/rsd0f
> BAD SUPER BLOCK: VALUES IN SUPER BLOCK DISAGREE WITH THOSE IN FIRST ALTERNATE
> /dev/rsd0f: BLOCK SIZE DETERMINED TO BE ZERO
>
> Second way of reproducing the problem:
> I have used Ubuntu 14.04.1 with kernel based on 3.13.0
> and e2fsck version 1.42.9.
>
> Boot Ubuntu from LiveUSB.
> dd if=/dev/zero of=/dev/sda5 bs=1M count=1
> mkfs.ext2 /dev/sda5
> mount -t ext2 /dev/sda5 /mnt/ext2
> touch /mnt/ext2/1
> echo something > /mnt/ext2/2
> echo “second line” >> /mnt/ext2/2
> sync
> umount /dev/sda5
> init 0 # shutdown
>
> Boot OpenBSD
> fsck_ext2fs /dev/rsd0f
> ** /dev/rsd0f
> BAD SUPER BLOCK: VALUES IN SUPER BLOCK DISAGREE WITH THOSE IN FIRST ALTERNATE
> /dev/rsd0f: BLOCK SIZE DETERMINED TO BE ZERO
>
> I would like to note that jggimi from forum daemonforums
> is also able to reproduce this error.
>
> dmesg:
> OpenBSD 5.9-beta (GENERIC.MP) #1778: Wed Dec 23 18:23:06 MST 2015
>     [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
> real mem = 6311112704 (6018MB)
> avail mem = 6115717120 (5832MB)
> mpath0 at root
> scsibus0 at mpath0: 256 targets
> mainbus0 at root
> bios0 at mainbus0: SMBIOS rev. 2.7 @ 0xe6df0 (39 entries)
> bios0: vendor Acer version "V2.21" date 12/16/2013
> bios0: Acer Aspire E1-531G
> acpi0 at bios0: rev 2
> acpi0: sleep states S0 S3 S4 S5
> acpi0: tables DSDT FACP UEFI ASF! HPET APIC MCFG SSDT BOOT ASPT DBGP FPDT 
> SSDT SSDT SSDT
> acpi0: wakeup devices P0P1(S4) GLAN(S4) EHC1(S3) EHC2(S3) XHC_(S3) HDEF(S0) 
> PXSX(S4) RP01(S4) PXSX(S4) RP02(S4) PXSX(S4) RP03(S4) PXSX(S4) RP04(S4) 
> PXSX(S4) RP05(S4) [...]
> acpitimer0 at acpi0: 3579545 Hz, 24 bits
> acpihpet0 at acpi0: 14318179 Hz
> acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
> cpu0 at mainbus0: apid 0 (boot processor)
> cpu0: Intel(R) Pentium(R) CPU B960 @ 2.20GHz, 2195.34 MHz
> 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,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,XSAVE,NXE,LONG,LAHF,PERF,ITSC,SENSOR,ARAT
> 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 99MHz
> cpu0: mwait min=64, max=64, C-substates=0.2.1.1.2, IBE
> cpu1 at mainbus0: apid 2 (application processor)
> cpu1: Intel(R) Pentium(R) CPU B960 @ 2.20GHz, 2195.02 MHz
> 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,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,POPCNT,DEADLINE,XSAVE,NXE,LONG,LAHF,PERF,ITSC,SENSOR,ARAT
> cpu1: 256KB 64b/line 8-way L2 cache
> cpu1: smt 0, core 1, package 0
> ioapic0 at mainbus0: apid 0 pa 0xfec00000, version 20, 24 pins
> acpimcfg0 at acpi0 addr 0xf0000000, bus 0-63
> acpiprt0 at acpi0: bus 0 (PCI0)
> acpiprt1 at acpi0: bus -1 (P0P1)
> acpiprt2 at acpi0: bus 2 (RP01)
> acpiprt3 at acpi0: bus 3 (RP02)
> acpiprt4 at acpi0: bus -1 (RP03)
> acpiprt5 at acpi0: bus -1 (RP04)
> acpiprt6 at acpi0: bus -1 (RP05)
> acpiprt7 at acpi0: bus -1 (RP06)
> acpiprt8 at acpi0: bus -1 (RP07)
> acpiprt9 at acpi0: bus -1 (RP08)
> acpiprt10 at acpi0: bus 1 (PEG0)
> acpiprt11 at acpi0: bus -1 (PEG1)
> acpiprt12 at acpi0: bus -1 (PEG2)
> acpiprt13 at acpi0: bus -1 (PEG3)
> acpiec0 at acpi0
> acpicpu0 at acpi0: C2(350@104 mwait.1@0x20), C1(1000@1 mwait.1), PSS
> acpicpu1 at acpi0: C2(350@104 mwait.1@0x20), C1(1000@1 mwait.1), PSS
> acpibat0 at acpi0: BAT1 model "Li_Ion_4000mA " serial 684 type Lion oem "SONY 
> "
> acpiac0 at acpi0: AC unit online
> acpibtn0 at acpi0: PWRB
> acpibtn1 at acpi0: LID0
> acpibtn2 at acpi0: SLPB
> acpivideo0 at acpi0: GFX0
> acpivout0 at acpivideo0: DD02
> cpu0: Enhanced SpeedStep 2195 MHz: speeds: 2200, 2100, 2000, 1900, 1800, 
> 1700, 1600, 1500, 1400, 1300, 1200, 1100, 1000, 900, 800 MHz
> pci0 at mainbus0 bus 0
> pchb0 at pci0 dev 0 function 0 "Intel Core 2G Host" rev 0x09
> ppb0 at pci0 dev 1 function 0 "Intel Core 2G PCIE" rev 0x09: msi
> pci1 at ppb0 bus 1
> 1:0:0: mem address conflict 0xfff80000/0x80000
> vendor "NVIDIA", unknown product 0x1140 (class display subclass VGA, rev 
> 0xa1) at pci1 dev 0 function 0 not configured
> inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 2000" rev 0x09
> drm0 at inteldrm0
> inteldrm0: msi
> inteldrm0: 1366x768
> wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation)
> wsdisplay0: screen 1-5 added (std, vt100 emulation)
> "Intel 7 Series MEI" rev 0x04 at pci0 dev 22 function 0 not configured
> ehci0 at pci0 dev 26 function 0 "Intel 7 Series USB" rev 0x04: apic 0 int 16
> usb0 at ehci0: USB revision 2.0
> uhub0 at usb0 "Intel EHCI root hub" rev 2.00/1.00 addr 1
> azalia0 at pci0 dev 27 function 0 "Intel 7 Series HD Audio" rev 0x04: msi
> azalia0: codecs: Realtek ALC269, Intel/0x2806, using Realtek ALC269
> audio0 at azalia0
> ppb1 at pci0 dev 28 function 0 "Intel 7 Series PCIE" rev 0xc4: msi
> pci2 at ppb1 bus 2
> 2:0:0: mem address conflict 0xfffff800/0x800
> bge0 at pci2 dev 0 function 0 "Broadcom BCM57785" rev 0x10, BCM57765 B0 
> (0x57785100): msi, address b8:88:e3:d3:08:70
> brgphy0 at bge0 phy 1: BCM57765 10/100/1000baseT PHY, rev. 4
> sdhc0 at pci2 dev 0 function 1 "Broadcom SD Host Controller" rev 0x10: apic 0 
> int 17
> sdhc0: base clock frequency out of range: 8 MHz
> sdhc0 at 0x10: can't initialize host
> vendor "Broadcom", unknown product 0x16be (class system subclass 
> miscellaneous, rev 0x10) at pci2 dev 0 function 2 not configured
> vendor "Broadcom", unknown product 0x16bf (class system subclass 
> miscellaneous, rev 0x10) at pci2 dev 0 function 3 not configured
> ppb2 at pci0 dev 28 function 1 "Intel 7 Series PCIE" rev 0xc4: msi
> pci3 at ppb2 bus 3
> "Atheros AR9485" rev 0x01 at pci3 dev 0 function 0 not configured
> ehci1 at pci0 dev 29 function 0 "Intel 7 Series USB" rev 0x04: apic 0 int 23
> usb1 at ehci1: USB revision 2.0
> uhub1 at usb1 "Intel EHCI root hub" rev 2.00/1.00 addr 1
> pcib0 at pci0 dev 31 function 0 "Intel HM77 LPC" rev 0x04
> ahci0 at pci0 dev 31 function 2 "Intel 7 Series AHCI" rev 0x04: msi, AHCI 1.3
> ahci0: port 0: 3.0Gb/s
> ahci0: port 2: 1.5Gb/s
> scsibus1 at ahci0: 32 targets
> sd0 at scsibus1 targ 0 lun 0: <ATA, ST9500325AS, 0001> SCSI3 0/direct fixed 
> naa.5000c5005c9384dd
> sd0: 476940MB, 512 bytes/sector, 976773168 sectors
> cd0 at scsibus1 targ 2 lun 0: <PIONEER, DVD-RW DVRTD11RS, 1.01> ATAPI 5/cdrom 
> removable
> ichiic0 at pci0 dev 31 function 3 "Intel 7 Series SMBus" rev 0x04: apic 0 int 
> 19
> iic0 at ichiic0
> spdmem0 at iic0 addr 0x50: 4GB DDR3 SDRAM PC3-10600 SO-DIMM
> spdmem1 at iic0 addr 0x52: 2GB DDR3 SDRAM PC3-10600 SO-DIMM
> 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
> pms0: Elantech Touchpad, version 3, firmware 0x450f01
> pcppi0 at isa0 port 0x61
> spkr0 at pcppi0
> uhub2 at uhub0 port 1 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2
> uvideo0 at uhub2 port 3 configuration 1 interface 0 "SunplusIT INC. HD 
> WebCam" rev 2.00/44.02 addr 3
> video0 at uvideo0
> uhub3 at uhub1 port 1 "Intel Rate Matching Hub" rev 2.00/0.00 addr 2
> umass0 at uhub3 port 2 configuration 1 interface 0 "TOSHIBA TransMemory" rev 
> 2.00/1.00 addr 3
> umass0: using SCSI over Bulk-Only
> scsibus2 at umass0: 2 targets, initiator 0
> sd1 at scsibus2 targ 1 lun 0: <TOSHIBA, TransMemory, 1.00> SCSI2 0/direct 
> removable serial.09306544CD8025908FB5
> sd1: 7400MB, 512 bytes/sector, 15155200 sectors
> 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, 005> SCSI2 0/direct fixed
> sd2: 71682MB, 512 bytes/sector, 146805279 sectors
> root on sd2a (e2687744d2198a2e.a) swap on sd2b dump on sd2b
> sd1 detached
> scsibus2 detached
> umass0 detached

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