On Thu, Mar 28, 2019 at 11:52:46AM +0100, paul.zimmerm...@inria.fr wrote: > >Synopsis: posix_memalign does not return aligned memory > >Category: system > >Environment: > System : OpenBSD 6.1 > Details : OpenBSD 6.1 (GENERIC.MP) #20: Sat Apr 1 13:45:56 MDT 2017 > > dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP > > Architecture: OpenBSD.amd64 > Machine : amd64 > >Description: > when compiled, the program below gives: > $ ./a.out > rc=0 res=cc3061966d0 > The 'res' value should be aligned on 64 bytes, i.e., end with > either 00, 40, 80, or c0. > >How-To-Repeat: > ude <stdio.h> > #include <stdlib.h> > int main() > { > void *res = NULL; > int rc = posix_memalign (&res, 64, 2340); > printf ("rc=%d res=%lx\n", rc, (unsigned long) res); > } > Fix: > > > dmesg: > OpenBSD 6.1 (GENERIC.MP) #20: Sat Apr 1 13:45:56 MDT 2017
Unsupported release. It is fixed in 6.2. Last release is 6.4. We're preparing for 6.5.... http://cvsweb.openbsd.org/cgi-bin/cvsweb/src/lib/libc/stdlib/malloc.c?rev=1.225 Why keep running old stuff? The upgrade proces is really simple. -Otto > dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP > real mem = 2130698240 (2031MB) > avail mem = 2061508608 (1966MB) > mpath0 at root > scsibus0 at mpath0: 256 targets > mainbus0 at root > bios0 at mainbus0: SMBIOS rev. 2.4 @ 0xf6200 (11 entries) > bios0: vendor Seabios version "0.5.1" date 01/01/2011 > bios0: Apache Software Foundation CloudStack KVM Hypervisor > acpi0 at bios0: rev 0 > acpi0: sleep states S5 > acpi0: tables DSDT FACP SSDT APIC > acpi0: wakeup devices > acpitimer0 at acpi0: 3579545 Hz, 24 bits > acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat > cpu0 at mainbus0: apid 0 (boot processor) > cpu0: QEMU Virtual CPU version 1.5.3, 2400.38 MHz > cpu0: > FPU,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,CX16,HV,NXE,LONG,LAHF,ABM > cpu0: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB > 64b/line 16-way L2 cache > cpu0: ITLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped > cpu0: DTLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped > cpu0: smt 0, core 0, package 0 > mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges > cpu0: apic clock running at 999MHz > cpu1 at mainbus0: apid 1 (application processor) > cpu1: QEMU Virtual CPU version 1.5.3, 2400.08 MHz > cpu1: > FPU,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,CX16,HV,NXE,LONG,LAHF,ABM > cpu1: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB > 64b/line 16-way L2 cache > cpu1: ITLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped > cpu1: DTLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped > cpu1: smt 0, core 0, package 1 > ioapic0 at mainbus0: apid 0 pa 0xfec00000, version 11, 24 pins > acpiprt0 at acpi0: bus 0 (PCI0) > acpicpu0 at acpi0: C1(@1 halt!) > acpicpu1 at acpi0: C1(@1 halt!) > "ACPI0006" at acpi0 not configured > "PNP0303" at acpi0 not configured > "PNP0F13" at acpi0 not configured > "PNP0700" at acpi0 not configured > "PNP0501" at acpi0 not configured > "QEMU0002" at acpi0 not configured > "ACPI0007" at acpi0 not configured > "ACPI0007" at acpi0 not configured > pvbus0 at mainbus0: KVM > pci0 at mainbus0 bus 0 > pchb0 at pci0 dev 0 function 0 "Intel 82441FX" rev 0x02 > pcib0 at pci0 dev 1 function 0 "Intel 82371SB ISA" rev 0x00 > pciide0 at pci0 dev 1 function 1 "Intel 82371SB IDE" rev 0x00: DMA, channel 0 > wired to compatibility, channel 1 wired to compatibility > wd0 at pciide0 channel 0 drive 0: <QEMU HARDDISK> > wd0: 16-sector PIO, LBA48, 20480MB, 41943040 sectors > wd0(pciide0:0:0): using PIO mode 4, DMA mode 2 > atapiscsi0 at pciide0 channel 1 drive 0 > scsibus1 at atapiscsi0: 2 targets > cd0 at scsibus1 targ 0 lun 0: <QEMU, QEMU DVD-ROM, 1.5.> ATAPI 5/cdrom > removable > cd0(pciide0:1:0): using PIO mode 4, DMA mode 2 > uhci0 at pci0 dev 1 function 2 "Intel 82371SB USB" rev 0x01: apic 0 int 11 > piixpm0 at pci0 dev 1 function 3 "Intel 82371AB Power" rev 0x03: apic 0 int 9 > iic0 at piixpm0 > iic0: addr 0x18 00=00 01=00 02=00 03=00 04=00 05=00 06=00 07=00 08=00 words > 00=0000 01=0000 02=0000 03=0000 04=0000 05=0000 06=0000 07=0000 > iic0: addr 0x1a 00=00 01=00 02=00 03=00 04=00 05=00 06=00 07=00 08=00 words > 00=0000 01=0000 02=0000 03=0000 04=0000 05=0000 06=0000 07=0000 > iic0: addr 0x29 00=00 01=00 02=00 03=00 04=00 05=00 06=00 07=00 08=00 words > 00=0000 01=0000 02=0000 03=0000 04=0000 05=0000 06=0000 07=0000 > iic0: addr 0x2b 00=00 01=00 02=00 03=00 04=00 05=00 06=00 07=00 08=00 words > 00=0000 01=0000 02=0000 03=0000 04=0000 05=0000 06=0000 07=0000 > iic0: addr 0x4c 00=00 01=00 02=00 03=00 04=00 05=00 06=00 07=00 08=00 words > 00=0000 01=0000 02=0000 03=0000 04=0000 05=0000 06=0000 07=0000 > iic0: addr 0x4e 00=00 01=00 02=00 03=00 04=00 05=00 06=00 07=00 08=00 words > 00=0000 01=0000 02=0000 03=0000 04=0000 05=0000 06=0000 07=0000 > vga1 at pci0 dev 2 function 0 "Cirrus Logic CL-GD5446" rev 0x00 > wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) > wsdisplay0: screen 1-5 added (80x25, vt100 emulation) > em0 at pci0 dev 3 function 0 "Intel 82540EM" rev 0x03: apic 0 int 11, address > 06:cf:ba:00:05:32 > isa0 at pcib0 > isadma0 at isa0 > fdc0 at isa0 port 0x3f0/6 irq 6 drq 2 > fd0 at fdc0 drive 1: density unknown > com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo > 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 > pcppi0 at isa0 port 0x61 > spkr0 at pcppi0 > usb0 at uhci0: USB revision 1.0 > uhub0 at usb0 configuration 1 interface 0 "Intel UHCI root hub" rev 1.00/1.00 > addr 1 > uhidev0 at uhub0 port 1 configuration 1 interface 0 "QEMU QEMU USB Tablet" > rev 2.00/0.00 addr 2 > uhidev0: iclass 3/0 > ums0 at uhidev0: 3 buttons, Z dir > wsmouse1 at ums0 mux 0 > vscsi0 at root > scsibus2 at vscsi0: 256 targets > softraid0 at root > scsibus3 at softraid0: 256 targets > root on wd0a (45fa98c23200d9ec.a) swap on wd0b dump on wd0b > > usbdevs: > Controller /dev/usb0: > addr 1: full speed, self powered, config 1, UHCI root hub(0x0000), > Intel(0x8086), rev 1.00 > port 1 addr 2: full speed, power 100 mA, config 1, QEMU USB Tablet(0x0001), > QEMU(0x0627), rev 0.00, iSerialNumber 42 > port 2 powered >