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charset="Windows-1252" Content-Transfer-Encoding: quoted-printable Hi, The location from which we are trying to boot FreeBSD is a VFS or RAMDisk m= ethod: OK lsdev disk devices: disk0: 4194304 X 512 blocks disk0p1: EFI disk0p2: FreeBSD UFS http: (unknown) net devices: net0: net1: net2: net3: Looks like FreeBSD does not have access to this RAMDisk and hence unable to= boot the image. I was digging through FreeBSD forums and found some releva= nt details. I guess the first step would be to build FreeBSD to prepare it = as RAMDisk image, so from the links below i could gather something like thi= s ? Some Examples: https://forums.freebsd.org/threads/how-would-i-load-root-image-into-memory-= backed-fs-and-run-the-system-from-that.78021/ https://www.reddit.com/r/freebsd/comments/tzm2xi/run_from_ram/ https://forums.freebsd.org/threads/mount-memory-disk-on-boot.61090/ https://forums.freebsd.org/threads/questions-about-ramdisk-in-freebsd.20345= / mdmfs (https://man.freebsd.org/cgi/man.cgi?query=3Dmdmfs&sektion=3D8&manpat= h=3Dfreebsd-release-ports#EXAMPLES) and mdconfig(https://man.freebsd.org/cg= i/man.cgi?query=3Dmdconfig&sektion=3D8&manpath=3Dfreebsd-release-ports): 1. Prepare RAMDisk image mdconfig -a -t vnode -s 10g -u 0 newfs /dev/md0 mount /dev/md0 /mnt dump -0aLf - / | (cd /mnt && restore -rf -) dd if=3D/dev/md0 of=3D/path/to/ramdisk.img bs=3D1M 2. Edit /boot/loader.conf: initrd_load=3D"YES" initrd_type=3D"mfs_root" initrd_name=3D"/boot/ramdisk.img" vfs.root.mountfrom=3D"ufs:/dev/md0" vfs.root.mountfrom.options=3D"ro,noatime" 3. Set Boot Variables in the Bootloader OK set initrd_load=3D"YES" OK set initrd_type=3D"mfs_root" OK set initrd_name=3D"/boot/ramdisk.img" OK set vfs.root.mountfrom=3D"ufs:/dev/md0" OK set vfs.root.mountfrom.options=3D"ro,noatime" OK boot Can someone please clarify if this is a right approach? Any inputs are appr= eciated!! Thanks, Arjun ________________________________ From: Andrew Turner Sent: Wednesday, July 10, 2024 11:36 AM To: Anantharam, Arjun Cc: Warner Losh ; Mark Millard ; freebsd= -arm@freebsd.org Subject: Re: FreeBSD OS installation stuck after selecting Boot installer On 10 Jul 2024, at 17:03, Anantharam, Arjun wr= ote: Hi, On most of our hardware, i still run into mount issues. Can anyone provide = some guidance on this ? This iso/img file boot is the only option right now for us to boot FreeBSD(= no PXE boot option yet), so any inputs are appreciated!! The issue appears to be the interface the NVMe provides to the kernel. found-> vendor=3D0x8086, dev=3D0x1457, revid=3D0x21 domain=3D0, bus=3D0, slot=3D1, func=3D1 class=3D01-08-02, hdrtype=3D0x00, mfdev=3D1 cmdreg=3D0x0000, statreg=3D0x0010, cachelnsz=3D0 (dwords) lattimer=3D0x00 (0 ns), mingnt=3D0x00 (0 ns), maxlat=3D0x00 (0 ns) intpin=3Da, irq=3D255 powerspec 3 supports D0 D3 current D0 MSI supports 1 message, 64 bit, vector masks MSI-X supports 257 messages in map 0x18 map[10]: type Prefetchable Memory, range 64, base 0x2220000000, siz= e 25, memory disabled This looks like the NVMe device that the nvme driver attaches to. The class= =3D01-08-02 indicates it=92s an NVMe device using the enterprise nvmhci. =85 found-> vendor=3D0x8086, dev=3D0x1458, revid=3D0x21 domain=3D0, bus=3D0, slot=3D1, func=3D7 class=3D01-08-00, hdrtype=3D0x00, mfdev=3D1 cmdreg=3D0x0000, statreg=3D0x0010, cachelnsz=3D0 (dwords) lattimer=3D0x00 (0 ns), mingnt=3D0x00 (0 ns), maxlat=3D0x00 (0 ns) intpin=3Da, irq=3D255 powerspec 3 supports D0 D3 current D0 MSI-X supports 257 messages in map 0x18 map[10]: type Prefetchable Memory, range 64, base 0x2224000000, siz= e 25, memory disabled This is the NVMe device the nvme driver doesn=92t attach to. As the class i= s 01-08-00 the driver doesn=92t attach. The problem is the 00 at the end. I don=92t know the difference between the different interfaces so am unsure= how difficult it would be to support this device. Andrew --_000_MW3PR11MB476199009EFF9650069B752980AD2MW3PR11MB4761namp_ Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable
Hi,

The location from which we are trying to boot FreeBSD is a VFS or RAMDisk m= ethod:
OK lsdev
disk devices:
     disk0:    4194304 X 512 blocks
       disk0p1: EFI
      disk0p2: FreeBSD UFS
 http: (unknown)
 net devices:
    net0:
     net1:
     net2:
     net3:


Looks like FreeBSD does not have access to this RAMDisk and hence unable to= boot the image. I was digging through FreeBSD forums and found some releva= nt details. I guess the first step would be to build FreeBSD to prepare it = as RAMDisk image, so from the links below i could gather something like this ?
Some Examples:
https://www.reddit.com/r/freebsd/comments/tzm2xi/run_from_ram/
 
mdmfs (https://man.freebsd.org/cgi/man.cgi?query= =3Dmdmfs&sektion=3D8&manpath=3Dfreebsd-release-ports#EXAMPLES) and mdconfig(https://man.freebsd.org/cgi/man.cgi?query=3Dmdc= onfig&sektion=3D8&manpath=3Dfreebsd-release-ports):
  1. Prepare RAMDisk image
mdconfig -a -t vnode -s 10g -u 0
newfs /dev/md0
mount /dev/md0 /mnt
dump -0aLf - / | (cd /mnt && restore -rf -)
dd if=3D/dev/md0 of=3D/path/to/ramdisk.img bs=3D1M
      2. Edit /boot/loader.conf:
 
initrd_load=3D"YES"
initrd_type=3D"mfs_root"
initrd_name=3D"/boot/ramdisk.img"
vfs.root.mountfrom=3D"ufs:/dev/md0"
vfs.root.mountfrom.options=3D"ro,noatime"
 
    3. Set Boot Variables in the Bootloader
 
OK set initrd_load=3D"YES"
OK set initrd_type=3D"mfs_root"
OK set initrd_name=3D"/boot/ramdisk.img"
OK set vfs.root.mountfrom=3D"ufs:/dev/md0"
OK set vfs.root.mountfrom.options=3D"ro,noatime"
OK boot

Can someone please clarify if this is a right approach? Any inputs are appr= eciated!!

Thanks,
Arjun
Hi,

On most of our hardware, i still run into mount issues. Can anyone provide = some guidance on this ?
This iso/img file boot is the only option right now for us to boot FreeBSD(= no PXE boot option yet), so any inputs are appreciated!!


The issue appears to be the interface the NVMe provides to the kernel.=

found-> vendor=3D0x8086, dev=3D0x1457, revid=3D0x21
        domain=3D0, bus=3D0, slot=3D1, func=3D1
        class=3D01-08-02, hdrtype=3D0x00, mfdev=3D1
        cmdreg=3D0x0000, statreg=3D0x0010, cachelnsz=3D= 0 (dwords)
        lattimer=3D0x00 (0 ns), mingnt=3D0x00 (0 ns), m= axlat=3D0x00 (0 ns)
        intpin=3Da, irq=3D255
        powerspec 3  supports D0 D3  current = D0
        MSI supports 1 message, 64 bit, vector masks
        MSI-X supports 257 messages in map 0x18
        map[10]: type Prefetchable Memory, range 64, ba= se 0x2220000000, size 25, memory disabled

This looks like the NVMe device that the nvme driver attaches to. The&= nbsp;class=3D01-08-02 indicates it=92s an NVMe device using the enterprise = nvmhci.

=85

found-> vendor=3D0x8086, dev=3D0x1458, revid=3D0x21
        domain=3D0, bus=3D0, slot=3D1, func=3D7
        class=3D01-08-00, hdrtype=3D0x00, mfdev=3D1
        cmdreg=3D0x0000, statreg=3D0x0010, cachelnsz=3D= 0 (dwords)
        lattimer=3D0x00 (0 ns), mingnt=3D0x00 (0 ns), m= axlat=3D0x00 (0 ns)
        intpin=3Da, irq=3D255
        powerspec 3  supports D0 D3  current = D0
        MSI-X supports 257 messages in map 0x18
        map[10]: type Prefetchable Memory, range 64, ba= se 0x2224000000, size 25, memory disabled

This is the NVMe device the nvme driver doesn=92t attach to. As the cl= ass is 01-08-00 the driver doesn=92t attach. The problem is the 00 at the e= nd.

I don=92t know the difference between the different interfaces so am u= nsure how difficult it would be to support this device.

Andrew
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