Am 22.02.19 um 10:57 schrieb rosysong@rosinson.com:
> Thanks for your reply, I see your SoC is AR9331 which supported by u-boot-master either, and your bootloader is 
> barebox-2019. Maybe you can build a u-boot-master image for your AR9331 machine and you will know what happen!!! :-)

> My BSP is openwrt-18.06 https://github.com/openwrt/openwrt. qca953x SoC.

Sorry, I don't use u-boot and have no time to debug it.
My primer interests are barebox and mainlining of ath79 related patches from OpenWRT to the kernel.

> Am 22.02.19 um 03:35 schrieb rosysong@rosinson.com:> Hi all,
>>      My kernel version is linux-4.9.158, it hangs when replace the old u-boot(1.1.4) with
> u-boot-master.
>>      For linux-4.14.xx, When I enable CONFIG_MIPSR2_IRQ_VI options, it does hang any longer while
> still hang in linux-4.9.158.
>>      Sometimes it hangs at "random: crng init done".
>>
>>      Any hints will be appreciated!!! Thanks
> It is hard to answer your questions. Many parts play with each other. ASo far I have following
> questions:
> - why do you change boot loader?
> - why do you use old kernels?
> - why you do not use devicetree?
> - what is your memory layout? Where is loaded u-boot and where should be loaded kernel. Is kernel
> compressed? Where it will be extracted?
>  
> Here is boot log on my system:
> barebox 2019.01.0-00526-gdd4b47ab1b #346 Mon Feb 18 08:42:48 CET 2019
>  
> Board: DPTechnics DPT-Module
> mdio_bus: miibus0: probed
> ag71xx-gmac 18070000.mac@19000000.of: network device registered
> m25p80 w25q128@00: w25q128 (16384 Kbytes)
> netconsole: registered as netconsole-1
> malloc space: 0x83ba0000 -> 0x83f9ffff (size 4 MiB)
> eth0: got preset MAC address: c4:93:00:00:ae:89
> running /env/bin/init...
>  
> Hit any key to stop autoboot:    0
> Booting entry 'net'
> eth0: DHCP client bound to address 192.168.25.20
>  
> Loading ELF '/mnt/tftp/ore-linux-dpt-module'
> Loading devicetree from '/mnt/tftp/ore-oftree-dpt-module'
> Starting application at 0x806e0000, dts 0x83bd6120...
> [    0.000000] Linux version 5.0.0-rc1+ (ptxdist@ptxdist) (gcc version 8.2.1 20181130 (OSELAS.Toolch$
> in-2018.12.0 8-20181130)) #644 2019-01-11T13:10:06+00:00
> [    0.000000] printk: bootconsole [early0] enabled
> [    0.000000] CPU0 revision is: 00019374 (MIPS 24Kc)
> [    0.000000] MIPS: machine is DPTechnics DPT-Module
> [    0.000000] SoC: Atheros AR9330 rev 1
> [    0.000000] Determined physical RAM map:
> [    0.000000]  memory: 04000000 @ 80000000 (usable)
> [    0.000000]  memory: 04000000 @ 00000000 (usable)
> [    0.000000] Primary instruction cache 64kB, VIPT, 4-way, linesize 32 bytes.
> [    0.000000] Primary data cache 32kB, 4-way, VIPT, cache aliases, linesize 32 bytes
> [    0.000000] Zone ranges:
> [    0.000000]   Normal   [mem 0x0000000000000000-0x0000000003ffffff]
> [    0.000000] Movable zone start for each node
> [    0.000000] Early memory node ranges
> [    0.000000]   node   0: [mem 0x0000000000000000-0x0000000003ffffff]
> [    0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x0000000003ffffff]
> [    0.000000] random: get_random_bytes called from start_kernel+0xc4/0x52c with crng_init=0
> [    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 16256
> [    0.000000] Kernel command line:   ip=dhcp root=/dev/nfs nfsroot=192.168.23.4:/home/ore/nfsroot/d$
> t-module,v3,tcp
> [    0.000000] Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
> [    0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
> [    0.000000] Writing ErrCtl register=00000000
> [    0.000000] Readback ErrCtl register=00000000
> [    0.000000] Memory: 56624K/65536K available (4883K kernel code, 398K rwdata, 960K rodata, 1432K i$
> it, 213K bss, 8912K reserved, 0K cma-reserved)
> [    0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
> [    0.000000] ftrace: allocating 17594 entries in 35 pages
> [    0.000000] NR_IRQS: 51
> [    0.000000] CPU clock: 400.000 MHz
> [    0.000000] clocksource: MIPS: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 9556302233 n$
> [    0.000014] sched_clock: 32 bits at 200MHz, resolution 5ns, wraps every 10737418237ns
> [    0.007915] Calibrating delay loop... 265.42 BogoMIPS (lpj=1327104)
> [    0.007915] Calibrating delay loop... 265.42 BogoMIPS (lpj=1327104)
> [    0.092710] pid_max: default: 32768 minimum: 301
> [    0.097631] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
> [    0.103958] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
> [    0.114890] devtmpfs: initialized
> [    0.120178] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446
> 2750000 ns
> [    0.128639] futex hash table entries: 256 (order: -1, 3072 bytes)
> [    0.134860] pinctrl core: initialized pinctrl subsystem
> [    0.141450] NET: Registered protocol family 16
> [    0.222120] clocksource: Switched to clocksource MIPS
> [    2.172295] NET: Registered protocol family 2
> [    2.176493] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes)
> [    2.182985] TCP established hash table entries: 1024 (order: 0, 4096 bytes)
> [    2.189826] TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
> [    2.196188] TCP: Hash tables configured (established 1024 bind 1024)
> [    2.202754] UDP hash table entries: 256 (order: 0, 4096 bytes)
> [    2.208341] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
> [    2.215083] NET: Registered protocol family 1
> [    2.221613] RPC: Registered named UNIX socket transport module.
> [    2.226175] RPC: Registered udp transport module.
> [    2.230768] RPC: Registered tcp transport module.
> [    2.235487] RPC: Registered tcp NFSv4.1 backchannel transport module.
> [    2.245537] workingset: timestamp_bits=30 max_order=14 bucket_order=0
> [    2.261046] squashfs: version 4.0 (2009/01/31) Phillip Lougher
> [    2.282255] NFS: Registering the id_resolver key type
> [    2.285902] Key type id_resolver registered
> [    2.290024] Key type id_legacy registered
> [    2.294098] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
> [    2.300768] jffs2: version 2.2. (NAND) (SUMMARY)  © 2001-2006 Red Hat, Inc.
> [    2.313723] pinctrl-single 18040028.pinmux: 64 pins, size 8
> [    2.323909] Serial: 8250/16550 driver, 1 ports, IRQ sharing disabled
> [    2.331142] 18020000.uart: ttyATH0 at MMIO 0x18020000 (irq = 8, base_baud = 1562500) is a AR933X U
> ART
> [    2.339446] printk: console [ttyATH0] enabled
> [    2.339446] printk: console [ttyATH0] enabled
> [    2.347627] printk: bootconsole [early0] disabled
> [    2.347627] printk: bootconsole [early0] disabled
> [    2.363728] m25p80 spi0.0: w25q128 (16384 Kbytes)
> [    2.367039] 4 fixed-partitions partitions found on MTD device spi0.0
> [    2.373438] Creating 4 MTD partitions on "spi0.0":
> [    2.378121] 0x000000020000-0x0000003e0000 : "firmware"
> [    2.386127] 0x000000000000-0x000000080000 : "barebox"
> [    2.393122] 0x000000080000-0x000000090000 : "barebox-environment"
> [    2.401065] 0x0000007f0000-0x000000800000 : "art"
> [    2.408770] libphy: Fixed MDIO Bus: probed
> [    2.562114] random: fast init done
> [    2.742683] libphy: ag71xx_mdio: probed
> [    3.032223] mdio-bus.0:1f: Found an AR7240/AR9330 built-in switch
> [    3.037170] libphy: ar7240sw_mdio: probed
> [    3.086221] ag71xx 19000000.eth: invalid MAC address, using random address
> [    3.423862] ag71xx 19000000.eth: connected to PHY at mdio-bus.0:1f:04 [uid=004dd041, driver=Generi
> c PHY]
> [    3.433094] eth0: Atheros AG71xx at 0xb9000000, irq 4, mode:MII
> [    3.440646] NET: Registered protocol family 10
>  
> [    3.449822] Segment Routing with IPv6
> [    3.452310] NET: Registered protocol family 17
> [    3.457295] 8021q: 802.1Q VLAN Support v1.8
> [    3.460718] Key type dns_resolver registered
> [    3.470181] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
> [    5.533865] eth0: link up (100Mbps/Full duplex)
> [    5.542180] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
> [    5.572256] Sending DHCP requests ., OK
> [    6.674525] IP-Config: Got DHCP answer from 192.168.23.4, my address is 192.168.25.152
> [    6.682442] IP-Config: Complete:
> [    6.685640]      device=eth0, hwaddr=5a:8e:98:5e:67:91, ipaddr=192.168.25.152, mask=255.255.0.0, g
> w=192.168.23.254
> [    6.695986]      host=192.168.25.152, domain=lab.pengutronix.de, nis-domain=(none)
> [    6.703544]      bootserver=192.168.23.4, rootserver=192.168.23.4, rootpath=
> [    6.703554]      nameserver0=192.168.23.254
> [    6.714748]      ntpserver0=192.168.23.4
> [    6.747124] VFS: Mounted root (nfs filesystem) readonly on device 0:12.
> [    6.753709] devtmpfs: mounted
> [    6.784596] Freeing unused kernel memory: 1432K
> [    6.787677] This architecture does not have kernel memory protection.
> [    6.794147] Run /sbin/init as init process
> [    7.376070] systemd[1]: System time before build time, advancing clock.
> [    7.500128] systemd[1]: Failed to insert module 'autofs4': No such file or directory
> [    7.622546] systemd[1]: systemd 239 running in system mode. (-PAM -AUDIT -SELINUX -IMA -APPARMOR -
> SMACK -SYSVINIT -UTMP -LIBCRYPTSETUP -GCRYPT -GNUTLS -ACL -XZ -LZ4 -SECCOMP +BLKID -ELFUTILS +KMOD -I
> DN2 -IDN -PCRE2 default-hierarchy=hybrid)
> [    7.643950] systemd[1]: Detected architecture mips.
>  
> Welcome to PTXdist / Pengutronix-Freifunk!
>  
> [    7.715905] systemd[1]: Set hostname to <Freifunk>.
>  
> --
> Regards,
> Oleksij
>  
> 
>  
> From: Oleksij Rempel
> Date: 2019-02-22 17:06
> To: rosysong@rosinson.com; linux-mips
> Subject: Re: Kernel hang when replace older uboot with uboot master for ath79 mips platform
> Hi,
>  
> Am 22.02.19 um 03:35 schrieb rosysong@rosinson.com:> Hi all,
>>      My kernel version is linux-4.9.158, it hangs when replace the old u-boot(1.1.4) with
> u-boot-master.
>>      For linux-4.14.xx, When I enable CONFIG_MIPSR2_IRQ_VI options, it does hang any longer while
> still hang in linux-4.9.158.
>>      Sometimes it hangs at "random: crng init done".
>>
>>      Any hints will be appreciated!!! Thanks
> It is hard to answer your questions. Many parts play with each other. ASo far I have following
> questions:
> - why do you change boot loader?
> - why do you use old kernels?
> - why you do not use devicetree?
> - what is your memory layout? Where is loaded u-boot and where should be loaded kernel. Is kernel
> compressed? Where it will be extracted?
>  
> Here is boot log on my system:
> barebox 2019.01.0-00526-gdd4b47ab1b #346 Mon Feb 18 08:42:48 CET 2019
>  
> Board: DPTechnics DPT-Module
> mdio_bus: miibus0: probed
> ag71xx-gmac 18070000.mac@19000000.of: network device registered
> m25p80 w25q128@00: w25q128 (16384 Kbytes)
> netconsole: registered as netconsole-1
> malloc space: 0x83ba0000 -> 0x83f9ffff (size 4 MiB)
> eth0: got preset MAC address: c4:93:00:00:ae:89
> running /env/bin/init...
>  
> Hit any key to stop autoboot:    0
> Booting entry 'net'
> eth0: DHCP client bound to address 192.168.25.20
>  
> Loading ELF '/mnt/tftp/ore-linux-dpt-module'
> Loading devicetree from '/mnt/tftp/ore-oftree-dpt-module'
> Starting application at 0x806e0000, dts 0x83bd6120...
> [    0.000000] Linux version 5.0.0-rc1+ (ptxdist@ptxdist) (gcc version 8.2.1 20181130 (OSELAS.Toolch$
> in-2018.12.0 8-20181130)) #644 2019-01-11T13:10:06+00:00
> [    0.000000] printk: bootconsole [early0] enabled
> [    0.000000] CPU0 revision is: 00019374 (MIPS 24Kc)
> [    0.000000] MIPS: machine is DPTechnics DPT-Module
> [    0.000000] SoC: Atheros AR9330 rev 1
> [    0.000000] Determined physical RAM map:
> [    0.000000]  memory: 04000000 @ 80000000 (usable)
> [    0.000000]  memory: 04000000 @ 00000000 (usable)
> [    0.000000] Primary instruction cache 64kB, VIPT, 4-way, linesize 32 bytes.
> [    0.000000] Primary data cache 32kB, 4-way, VIPT, cache aliases, linesize 32 bytes
> [    0.000000] Zone ranges:
> [    0.000000]   Normal   [mem 0x0000000000000000-0x0000000003ffffff]
> [    0.000000] Movable zone start for each node
> [    0.000000] Early memory node ranges
> [    0.000000]   node   0: [mem 0x0000000000000000-0x0000000003ffffff]
> [    0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x0000000003ffffff]
> [    0.000000] random: get_random_bytes called from start_kernel+0xc4/0x52c with crng_init=0
> [    0.000000] Built 1 zonelists, mobility grouping on.  Total pages: 16256
> [    0.000000] Kernel command line:   ip=dhcp root=/dev/nfs nfsroot=192.168.23.4:/home/ore/nfsroot/d$
> t-module,v3,tcp
> [    0.000000] Dentry cache hash table entries: 8192 (order: 3, 32768 bytes)
> [    0.000000] Inode-cache hash table entries: 4096 (order: 2, 16384 bytes)
> [    0.000000] Writing ErrCtl register=00000000
> [    0.000000] Readback ErrCtl register=00000000
> [    0.000000] Memory: 56624K/65536K available (4883K kernel code, 398K rwdata, 960K rodata, 1432K i$
> it, 213K bss, 8912K reserved, 0K cma-reserved)
> [    0.000000] SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
> [    0.000000] ftrace: allocating 17594 entries in 35 pages
> [    0.000000] NR_IRQS: 51
> [    0.000000] CPU clock: 400.000 MHz
> [    0.000000] clocksource: MIPS: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 9556302233 n$
> [    0.000014] sched_clock: 32 bits at 200MHz, resolution 5ns, wraps every 10737418237ns
> [    0.007915] Calibrating delay loop... 265.42 BogoMIPS (lpj=1327104)
> [    0.007915] Calibrating delay loop... 265.42 BogoMIPS (lpj=1327104)
> [    0.092710] pid_max: default: 32768 minimum: 301
> [    0.097631] Mount-cache hash table entries: 1024 (order: 0, 4096 bytes)
> [    0.103958] Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes)
> [    0.114890] devtmpfs: initialized
> [    0.120178] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1911260446
> 2750000 ns
> [    0.128639] futex hash table entries: 256 (order: -1, 3072 bytes)
> [    0.134860] pinctrl core: initialized pinctrl subsystem
> [    0.141450] NET: Registered protocol family 16
> [    0.222120] clocksource: Switched to clocksource MIPS
> [    2.172295] NET: Registered protocol family 2
> [    2.176493] tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes)
> [    2.182985] TCP established hash table entries: 1024 (order: 0, 4096 bytes)
> [    2.189826] TCP bind hash table entries: 1024 (order: 0, 4096 bytes)
> [    2.196188] TCP: Hash tables configured (established 1024 bind 1024)
> [    2.202754] UDP hash table entries: 256 (order: 0, 4096 bytes)
> [    2.208341] UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
> [    2.215083] NET: Registered protocol family 1
> [    2.221613] RPC: Registered named UNIX socket transport module.
> [    2.226175] RPC: Registered udp transport module.
> [    2.230768] RPC: Registered tcp transport module.
> [    2.235487] RPC: Registered tcp NFSv4.1 backchannel transport module.
> [    2.245537] workingset: timestamp_bits=30 max_order=14 bucket_order=0
> [    2.261046] squashfs: version 4.0 (2009/01/31) Phillip Lougher
> [    2.282255] NFS: Registering the id_resolver key type
> [    2.285902] Key type id_resolver registered
> [    2.290024] Key type id_legacy registered
> [    2.294098] nfs4filelayout_init: NFSv4 File Layout Driver Registering...
> [    2.300768] jffs2: version 2.2. (NAND) (SUMMARY)  © 2001-2006 Red Hat, Inc.
> [    2.313723] pinctrl-single 18040028.pinmux: 64 pins, size 8
> [    2.323909] Serial: 8250/16550 driver, 1 ports, IRQ sharing disabled
> [    2.331142] 18020000.uart: ttyATH0 at MMIO 0x18020000 (irq = 8, base_baud = 1562500) is a AR933X U
> ART
> [    2.339446] printk: console [ttyATH0] enabled
> [    2.339446] printk: console [ttyATH0] enabled
> [    2.347627] printk: bootconsole [early0] disabled
> [    2.347627] printk: bootconsole [early0] disabled
> [    2.363728] m25p80 spi0.0: w25q128 (16384 Kbytes)
> [    2.367039] 4 fixed-partitions partitions found on MTD device spi0.0
> [    2.373438] Creating 4 MTD partitions on "spi0.0":
> [    2.378121] 0x000000020000-0x0000003e0000 : "firmware"
> [    2.386127] 0x000000000000-0x000000080000 : "barebox"
> [    2.393122] 0x000000080000-0x000000090000 : "barebox-environment"
> [    2.401065] 0x0000007f0000-0x000000800000 : "art"
> [    2.408770] libphy: Fixed MDIO Bus: probed
> [    2.562114] random: fast init done
> [    2.742683] libphy: ag71xx_mdio: probed
> [    3.032223] mdio-bus.0:1f: Found an AR7240/AR9330 built-in switch
> [    3.037170] libphy: ar7240sw_mdio: probed
> [    3.086221] ag71xx 19000000.eth: invalid MAC address, using random address
> [    3.423862] ag71xx 19000000.eth: connected to PHY at mdio-bus.0:1f:04 [uid=004dd041, driver=Generi
> c PHY]
> [    3.433094] eth0: Atheros AG71xx at 0xb9000000, irq 4, mode:MII
> [    3.440646] NET: Registered protocol family 10
>  
> [    3.449822] Segment Routing with IPv6
> [    3.452310] NET: Registered protocol family 17
> [    3.457295] 8021q: 802.1Q VLAN Support v1.8
> [    3.460718] Key type dns_resolver registered
> [    3.470181] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
> [    5.533865] eth0: link up (100Mbps/Full duplex)
> [    5.542180] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
> [    5.572256] Sending DHCP requests ., OK
> [    6.674525] IP-Config: Got DHCP answer from 192.168.23.4, my address is 192.168.25.152
> [    6.682442] IP-Config: Complete:
> [    6.685640]      device=eth0, hwaddr=5a:8e:98:5e:67:91, ipaddr=192.168.25.152, mask=255.255.0.0, g
> w=192.168.23.254
> [    6.695986]      host=192.168.25.152, domain=lab.pengutronix.de, nis-domain=(none)
> [    6.703544]      bootserver=192.168.23.4, rootserver=192.168.23.4, rootpath=
> [    6.703554]      nameserver0=192.168.23.254
> [    6.714748]      ntpserver0=192.168.23.4
> [    6.747124] VFS: Mounted root (nfs filesystem) readonly on device 0:12.
> [    6.753709] devtmpfs: mounted
> [    6.784596] Freeing unused kernel memory: 1432K
> [    6.787677] This architecture does not have kernel memory protection.
> [    6.794147] Run /sbin/init as init process
> [    7.376070] systemd[1]: System time before build time, advancing clock.
> [    7.500128] systemd[1]: Failed to insert module 'autofs4': No such file or directory
> [    7.622546] systemd[1]: systemd 239 running in system mode. (-PAM -AUDIT -SELINUX -IMA -APPARMOR -
> SMACK -SYSVINIT -UTMP -LIBCRYPTSETUP -GCRYPT -GNUTLS -ACL -XZ -LZ4 -SECCOMP +BLKID -ELFUTILS +KMOD -I
> DN2 -IDN -PCRE2 default-hierarchy=hybrid)
> [    7.643950] systemd[1]: Detected architecture mips.
>  
> Welcome to PTXdist / Pengutronix-Freifunk!
>  
> [    7.715905] systemd[1]: Set hostname to <Freifunk>.
>  
> --
> Regards,
> Oleksij
>  
> 


-- 
Regards,
Oleksij