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
>
