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RISC-V Board and OS Support Matrix
Bianbu @ BIT-BRICK K1 Test Report

System Version

2.2

Status

CFH

System Variant

minimal

Last Update

2025-06-10

Bianbu BIT-BRICK K1 Test Report

Test Environment

System Information

Hardware Information

  • BIT-BRICK K1
  • Power Adapter
  • A microSD Card
  • A USB to UART Debugger

Installation Steps

Flashing the Image (SD Card)

Please make sure to choose the file ending with .img.zip After downloading and extracting the image, use dd to flash the image to the microSD card.

unzip bianbu-24.04-minimal-k1-v2.2-release-20250430181626.img.zip
sudo dd if=bianbu-24.04-minimal-k1-v2.2-release-20250430181626.img of=/dev/<your-device> bs=1M status=progress

Logging into the System

Logging into the system via the serial port.

Default Username: root Default Password: bianbu

Expected Results

The system should boot up normally and allow login through the onboard serial port.

Actual Results

Boot failed upon a hung_task error. The last version that could be boot up normally and allow logged through the onboard serial port was bianbu 2.1.1.

Boot Log

bianbu 2.2

[  242.724733] INFO: task swapper/0:1 blocked for more than 120 seconds.
[  242.731243]       Not tainted 6.6.63 #2.2.0.2
[  242.735657] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  242.743564] task:swapper/0       state:D stack:0     pid:1     ppid:0      flags:0x00000002
[  242.752008] Call Trace:
[  242.754478] [<ffffffff80fe0612>] __schedule+0x32e/0xa88
[  242.759778] [<ffffffff80fe0dba>] schedule+0x4e/0xd8
[  242.764687] [<ffffffff80fe5dba>] schedule_timeout+0x6e/0x168
[  242.770385] [<ffffffff80fe15e4>] __wait_for_common+0xd4/0x1c4
[  242.776175] [<ffffffff80fe1710>] wait_for_completion_timeout+0x18/0x20
[  242.782767] [<ffffffff80bdf32c>] mbox_send_message+0x8e/0xfe
[  242.788489] [<ffffffff80be5432>] spacemit_rproc_kick+0x38/0x92
[  242.794351] [<ffffffff80be4286>] rproc_virtio_notify+0x26/0x54
[  242.800240] [<ffffffff806f1870>] virtqueue_notify+0x16/0x2e
[  242.805866] [<ffffffff80be755a>] rpmsg_probe+0x362/0x3a4
[  242.811224] [<ffffffff806f1630>] virtio_dev_probe+0x13c/0x1d8
[  242.817041] [<ffffffff8082f5cc>] really_probe+0x8c/0x326
[  242.822403] [<ffffffff8082f8c8>] __driver_probe_device+0x62/0x110
[  242.828568] [<ffffffff8082f9ac>] driver_probe_device+0x36/0xba
[  242.834426] [<ffffffff8082faa2>] __device_attach_driver+0x72/0xd0
[  242.840581] [<ffffffff8082d81e>] bus_for_each_drv+0x5c/0xb2
[  242.846195] [<ffffffff8082fe6a>] __device_attach+0x84/0x158
[  242.851807] [<ffffffff808300e2>] device_initial_probe+0xe/0x16
[  242.857712] [<ffffffff8082e616>] bus_probe_device+0x86/0x88
[  242.863335] [<ffffffff8082bf04>] device_add+0x532/0x6ea
[  242.868609] [<ffffffff806f136a>] register_virtio_device+0x1c6/0x1ec
[  242.874929] [<ffffffff80be499c>] rproc_vdev_do_start+0xbc/0x1a6
[  242.880900] [<ffffffff80fdb528>] rproc_start_subdevices+0x24/0x56
[  242.887055] [<ffffffff80fdb81a>] rproc_start+0x9e/0xf8
[  242.892246] [<ffffffff80be12e8>] rproc_boot+0x26e/0x3d4
[  242.897516] [<ffffffff80be5894>] spacemit_rproc_probe+0x1ca/0x374
[  242.903660] [<ffffffff80831f86>] platform_probe+0x52/0xaa
[  242.909111] [<ffffffff8082f5cc>] really_probe+0x8c/0x326
[  242.914478] [<ffffffff8082f8c8>] __driver_probe_device+0x62/0x110
[  242.920622] [<ffffffff8082f9ac>] driver_probe_device+0x36/0xba
[  242.926501] [<ffffffff8082fbbc>] __driver_attach+0xbc/0x19e
[  242.932112] [<ffffffff8082d774>] bus_for_each_dev+0x58/0xa6
[  242.937749] [<ffffffff8082f05a>] driver_attach+0x1a/0x22
[  242.943075] [<ffffffff8082e842>] bus_add_driver+0xf6/0x1fe
[  242.948615] [<ffffffff80830a48>] driver_register+0x3e/0xd8
[  242.954155] [<ffffffff80831c82>] __platform_driver_register+0x1e/0x26
[  242.960678] [<ffffffff810392a6>] spacemit_rproc_driver_init+0x1a/0x22
[  242.967155] [<ffffffff800027aa>] do_one_initcall+0x36/0x218
[  242.972785] [<ffffffff81001452>] kernel_init_freeable+0x22c/0x296
[  242.978939] [<ffffffff80fded84>] kernel_init+0x26/0x116
[  242.984227] [<ffffffff80fe7816>] ret_from_fork+0xe/0x18
[  363.556737] INFO: task swapper/0:1 blocked for more than 241 seconds.
[  363.563247]       Not tainted 6.6.63 #2.2.0.2
[  363.567641] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  363.575516] task:swapper/0       state:D stack:0     pid:1     ppid:0      flags:0x00000002
[  363.583905] Call Trace:
[  363.586361] [<ffffffff80fe0612>] __schedule+0x32e/0xa88
[  363.591650] [<ffffffff80fe0dba>] schedule+0x4e/0xd8
[  363.596557] [<ffffffff80fe5dba>] schedule_timeout+0x6e/0x168
[  363.602237] [<ffffffff80fe15e4>] __wait_for_common+0xd4/0x1c4
[  363.608047] [<ffffffff80fe1710>] wait_for_completion_timeout+0x18/0x20
[  363.614613] [<ffffffff80bdf32c>] mbox_send_message+0x8e/0xfe
[  363.620322] [<ffffffff80be5432>] spacemit_rproc_kick+0x38/0x92
[  363.626201] [<ffffffff80be4286>] rproc_virtio_notify+0x26/0x54
[  363.632098] [<ffffffff806f1870>] virtqueue_notify+0x16/0x2e
[  363.637736] [<ffffffff80be755a>] rpmsg_probe+0x362/0x3a4
[  363.643084] [<ffffffff806f1630>] virtio_dev_probe+0x13c/0x1d8
[  363.648873] [<ffffffff8082f5cc>] really_probe+0x8c/0x326
[  363.654212] [<ffffffff8082f8c8>] __driver_probe_device+0x62/0x110
[  363.660356] [<ffffffff8082f9ac>] driver_probe_device+0x36/0xba
[  363.666246] [<ffffffff8082faa2>] __device_attach_driver+0x72/0xd0
[  363.672370] [<ffffffff8082d81e>] bus_for_each_drv+0x5c/0xb2
[  363.677985] [<ffffffff8082fe6a>] __device_attach+0x84/0x158
[  363.683612] [<ffffffff808300e2>] device_initial_probe+0xe/0x16
[  363.689510] [<ffffffff8082e616>] bus_probe_device+0x86/0x88
[  363.695122] [<ffffffff8082bf04>] device_add+0x532/0x6ea
[  363.700385] [<ffffffff806f136a>] register_virtio_device+0x1c6/0x1ec
[  363.706737] [<ffffffff80be499c>] rproc_vdev_do_start+0xbc/0x1a6
[  363.712687] [<ffffffff80fdb528>] rproc_start_subdevices+0x24/0x56
[  363.718835] [<ffffffff80fdb81a>] rproc_start+0x9e/0xf8
[  363.724009] [<ffffffff80be12e8>] rproc_boot+0x26e/0x3d4
[  363.729294] [<ffffffff80be5894>] spacemit_rproc_probe+0x1ca/0x374
[  363.735449] [<ffffffff80831f86>] platform_probe+0x52/0xaa
[  363.740878] [<ffffffff8082f5cc>] really_probe+0x8c/0x326
[  363.746255] [<ffffffff8082f8c8>] __driver_probe_device+0x62/0x110
[  363.752400] [<ffffffff8082f9ac>] driver_probe_device+0x36/0xba
[  363.758263] [<ffffffff8082fbbc>] __driver_attach+0xbc/0x19e
[  363.763857] [<ffffffff8082d774>] bus_for_each_dev+0x58/0xa6
[  363.769488] [<ffffffff8082f05a>] driver_attach+0x1a/0x22
[  363.774823] [<ffffffff8082e842>] bus_add_driver+0xf6/0x1fe
[  363.780342] [<ffffffff80830a48>] driver_register+0x3e/0xd8
[  363.785863] [<ffffffff80831c82>] __platform_driver_register+0x1e/0x26
[  363.792375] [<ffffffff810392a6>] spacemit_rproc_driver_init+0x1a/0x22
[  363.798865] [<ffffffff800027aa>] do_one_initcall+0x36/0x218
[  363.804469] [<ffffffff81001452>] kernel_init_freeable+0x22c/0x296
[  363.810630] [<ffffffff80fded84>] kernel_init+0x26/0x116
[  363.815916] [<ffffffff80fe7816>] ret_from_fork+0xe/0x18
[  484.388732] INFO: task swapper/0:1 blocked for more than 362 seconds.
[  484.395246]       Not tainted 6.6.63 #2.2.0.2
[  484.399619] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  484.407489] task:swapper/0       state:D stack:0     pid:1     ppid:0      flags:0x00000002
[  484.415929] Call Trace:
[  484.418386] [<ffffffff80fe0612>] __schedule+0x32e/0xa88
[  484.423646] [<ffffffff80fe0dba>] schedule+0x4e/0xd8
[  484.428542] [<ffffffff80fe5dba>] schedule_timeout+0x6e/0x168
[  484.434262] [<ffffffff80fe15e4>] __wait_for_common+0xd4/0x1c4
[  484.440039] [<ffffffff80fe1710>] wait_for_completion_timeout+0x18/0x20
[  484.446616] [<ffffffff80bdf32c>] mbox_send_message+0x8e/0xfe
[  484.452301] [<ffffffff80be5432>] spacemit_rproc_kick+0x38/0x92
[  484.458158] [<ffffffff80be4286>] rproc_virtio_notify+0x26/0x54
[  484.464046] [<ffffffff806f1870>] virtqueue_notify+0x16/0x2e
[  484.469693] [<ffffffff80be755a>] rpmsg_probe+0x362/0x3a4
[  484.475041] [<ffffffff806f1630>] virtio_dev_probe+0x13c/0x1d8
[  484.480840] [<ffffffff8082f5cc>] really_probe+0x8c/0x326
[  484.486199] [<ffffffff8082f8c8>] __driver_probe_device+0x62/0x110
[  484.492374] [<ffffffff8082f9ac>] driver_probe_device+0x36/0xba
[  484.498241] [<ffffffff8082faa2>] __device_attach_driver+0x72/0xd0
[  484.504375] [<ffffffff8082d81e>] bus_for_each_drv+0x5c/0xb2
[  484.510000] [<ffffffff8082fe6a>] __device_attach+0x84/0x158
[  484.515614] [<ffffffff808300e2>] device_initial_probe+0xe/0x16
[  484.521492] [<ffffffff8082e616>] bus_probe_device+0x86/0x88
[  484.527104] [<ffffffff8082bf04>] device_add+0x532/0x6ea
[  484.532378] [<ffffffff806f136a>] register_virtio_device+0x1c6/0x1ec
[  484.538678] [<ffffffff80be499c>] rproc_vdev_do_start+0xbc/0x1a6
[  484.544657] [<ffffffff80fdb528>] rproc_start_subdevices+0x24/0x56
[  484.550775] [<ffffffff80fdb81a>] rproc_start+0x9e/0xf8
[  484.555947] [<ffffffff80be12e8>] rproc_boot+0x26e/0x3d4
[  484.561223] [<ffffffff80be5894>] spacemit_rproc_probe+0x1ca/0x374
[  484.567335] [<ffffffff80831f86>] platform_probe+0x52/0xaa
[  484.572797] [<ffffffff8082f5cc>] really_probe+0x8c/0x326
[  484.578132] [<ffffffff8082f8c8>] __driver_probe_device+0x62/0x110
[  484.584265] [<ffffffff8082f9ac>] driver_probe_device+0x36/0xba
[  484.590157] [<ffffffff8082fbbc>] __driver_attach+0xbc/0x19e
[  484.595771] [<ffffffff8082d774>] bus_for_each_dev+0x58/0xa6
[  484.601363] [<ffffffff8082f05a>] driver_attach+0x1a/0x22
[  484.606698] [<ffffffff8082e842>] bus_add_driver+0xf6/0x1fe
[  484.612217] [<ffffffff80830a48>] driver_register+0x3e/0xd8
[  484.617749] [<ffffffff80831c82>] __platform_driver_register+0x1e/0x26
[  484.624241] [<ffffffff810392a6>] spacemit_rproc_driver_init+0x1a/0x22
[  484.630737] [<ffffffff800027aa>] do_one_initcall+0x36/0x218
[  484.636363] [<ffffffff81001452>] kernel_init_freeable+0x22c/0x296
[  484.642502] [<ffffffff80fded84>] kernel_init+0x26/0x116
[  484.647779] [<ffffffff80fe7816>] ret_from_fork+0xe/0x18

bianbu 2.1.1


Bianbu 2.1.1 k1 ttyS0
k1 login: root
密码： 
Welcome to Bianbu 2.1.1 (GNU/Linux 6.6.63 riscv64)

 * Documentation:  https://bianbu.spacemit.com
 * Support:        https://ticket.spacemit.com

The programs included with the Bianbu system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Bianbu comes with ABSOLUTELY NO WARRANTY, to the extent permitted by
applicable law.

root@k1:~# uname -a
Linux k1 6.6.63 #2.1.0.2 SMP PREEMPT Fri Jan 24 03:39:48 UTC 2025 riscv64 riscv64 riscv64 GNU/Linux
root@k1:~# cat /etc/os-release 
PRETTY_NAME="Bianbu 2.1.1"
NAME="Bianbu"
VERSION_ID="2.1.1"
VERSION="2.1.1 (Noble Numbat)"
VERSION_CODENAME=noble
ID=bianbu
ID_LIKE=debian
HOME_URL="https://bianbu.spacemit.com"
SUPPORT_URL="https://bianbu.spacemit.com"
BUG_REPORT_URL="https://ticket.spacemit.com"
PRIVACY_POLICY_URL="https://www.spacemit.com/privacy-policy"
UBUNTU_CODENAME=noble
LOGO=ubuntu-logo
root@k1:~# cat /proc/cpuinfo 
processor	: 0
hart		: 0
model name	: Spacemit(R) X60
isa		: rv64imafdcv_zicbom_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zfhmin_zca_zcd_zba_zbb_zbc_zbs_zkt_zve32f_zve32x_zve64d_zve64f_zve64x_zvfh_zvfhmin_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt
mmu		: sv39
uarch		: spacemit,x60
mvendorid	: 0x710
marchid		: 0x8000000058000001
mimpid		: 0x1000000049772200

processor	: 1
hart		: 1
model name	: Spacemit(R) X60
isa		: rv64imafdcv_zicbom_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zfhmin_zca_zcd_zba_zbb_zbc_zbs_zkt_zve32f_zve32x_zve64d_zve64f_zve64x_zvfh_zvfhmin_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt
mmu		: sv39
uarch		: spacemit,x60
mvendorid	: 0x710
marchid		: 0x8000000058000001
mimpid		: 0x1000000049772200

processor	: 2
hart		: 2
model name	: Spacemit(R) X60
isa		: rv64imafdcv_zicbom_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zfhmin_zca_zcd_zba_zbb_zbc_zbs_zkt_zve32f_zve32x_zve64d_zve64f_zve64x_zvfh_zvfhmin_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt
mmu		: sv39
uarch		: spacemit,x60
mvendorid	: 0x710
marchid		: 0x8000000058000001
mimpid		: 0x1000000049772200

processor	: 3
hart		: 3
model name	: Spacemit(R) X60
isa		: rv64imafdcv_zicbom_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zfhmin_zca_zcd_zba_zbb_zbc_zbs_zkt_zve32f_zve32x_zve64d_zve64f_zve64x_zvfh_zvfhmin_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt
mmu		: sv39
uarch		: spacemit,x60
mvendorid	: 0x710
marchid		: 0x8000000058000001
mimpid		: 0x1000000049772200

processor	: 4
hart		: 4
model name	: Spacemit(R) X60
isa		: rv64imafdcv_zicbom_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zfhmin_zca_zcd_zba_zbb_zbc_zbs_zkt_zve32f_zve32x_zve64d_zve64f_zve64x_zvfh_zvfhmin_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt
mmu		: sv39
uarch		: spacemit,x60
mvendorid	: 0x710
marchid		: 0x8000000058000001
mimpid		: 0x1000000049772200

processor	: 5
hart		: 5
model name	: Spacemit(R) X60
isa		: rv64imafdcv_zicbom_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zfhmin_zca_zcd_zba_zbb_zbc_zbs_zkt_zve32f_zve32x_zve64d_zve64f_zve64x_zvfh_zvfhmin_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt
mmu		: sv39
uarch		: spacemit,x60
mvendorid	: 0x710
marchid		: 0x8000000058000001
mimpid		: 0x1000000049772200

processor	: 6
hart		: 6
model name	: Spacemit(R) X60
isa		: rv64imafdcv_zicbom_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zfhmin_zca_zcd_zba_zbb_zbc_zbs_zkt_zve32f_zve32x_zve64d_zve64f_zve64x_zvfh_zvfhmin_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt
mmu		: sv39
uarch		: spacemit,x60
mvendorid	: 0x710
marchid		: 0x8000000058000001
mimpid		: 0x1000000049772200

processor	: 7
hart		: 7
model name	: Spacemit(R) X60
isa		: rv64imafdcv_zicbom_zicboz_zicntr_zicond_zicsr_zifencei_zihintpause_zihpm_zfh_zfhmin_zca_zcd_zba_zbb_zbc_zbs_zkt_zve32f_zve32x_zve64d_zve64f_zve64x_zvfh_zvfhmin_zvkt_sscofpmf_sstc_svinval_svnapot_svpbmt
mmu		: sv39
uarch		: spacemit,x60
mvendorid	: 0x710
marchid		: 0x8000000058000001
mimpid		: 0x1000000049772200

root@k1:~#

Test Criteria

Successful: The actual result matches the expected result.

Failed: The actual result does not match the expected result.

Test Conclusion

Failed

Source: Support Matrix