On 29.10.18 18:05, minskey guo wrote:
To enable Linux to running in non-root cell on NUC7i5D, I pass
console=ttyS0 to non-root cell linux. Everything is ok except that there is no
login prompt on serial port. at last, the console shows:
Do you also specify the uart parameter, e.g. the baudrate? I would not be able
to explain why the kernel should be fine without them and the login service not,
but it would be a worth a try. Otherwise, this looks systemd-specific, and I'm
not a guru in that. You can cross-check by booting the initrd we generate with
jailhouse-images.
Jan
[ 2.828861] systemd[1]: Proceeding WITHOUT firewalling in effect! (This
warning is only shown for the first loaded unit using IP firewalling.)
[ 2.935235] systemd[1]: Created slice User and Session Slice.
[ 2.941135] systemd[1]: Started Forward Password Requests to Wall Directory
Watch.
[ 2.948785] systemd[1]: Reached target Remote File Systems.
[ 2.954494] systemd[1]: Created slice System Slice.
After disabling jailhouse, I can check the journald log in the disk which I
pass to non-root cell as root device. The logs at the end of the mail. In the
non-root cell document, it says that there is a patch to disable interrupt for
UART, and use polling to get data out of it.
Anybody can point me to the patch ? Or educate me how to get login prompt from the serial port ?
BRs,
-minskey
1月 28 23:59:47 test-nuc7i5d systemd[1]: Starting Update UTMP about System
Boot/Shutdown...
1月 28 23:59:47 test-nuc7i5d systemd[1]: Reached target Emergency Mode.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Starting Raise network interfaces...
1月 28 23:59:47 test-nuc7i5d systemd[1]: Reached target Swap.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Started Set console font and keymap.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Started Set console scheme.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Created slice system-getty.slice.
-- Reboot --
1月 28 23:59:47 test-nuc7i5d systemd[1]:
dev-disk-by\x2duuid-AC6E\x2d3B90.device: Job
dev-disk-by\x2duuid-AC6E\x2d3B90.device/start timed out.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Timed out waiting for device
dev-disk-by\x2duuid-AC6E\x2d3B90.device.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Dependency failed for /boot/efi.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Dependency failed for Local File
Systems.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Dependency failed for Clean up any mess
left by 0dns-up.
1月 28 23:59:47 test-nuc7i5d systemd[1]: dns-clean.service: Job
dns-clean.service/start failed with result 'dependency'.
1月 28 23:59:47 test-nuc7i5d systemd[1]: local-fs.target: Job
local-fs.target/start failed with result 'dependency'.
1月 28 23:59:47 test-nuc7i5d systemd[1]: local-fs.target: Triggering OnFailure=
dependencies.
1月 28 23:59:47 test-nuc7i5d systemd[1]: boot-efi.mount: Job
boot-efi.mount/start failed with result 'dependency'.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Dependency failed for File System Check
on /dev/disk/by-uuid/AC6E-3B90.
1月 28 23:59:47 test-nuc7i5d systemd[1]:
systemd-fsck@dev-disk-by\x2duuid-AC6E\x2d3B90.service: Job
systemd-fsck@dev-disk-by\x2duuid-AC6E\x2d3B90.service/start failed with result
'dependency'.
1月 28 23:59:47 test-nuc7i5d systemd[1]:
dev-disk-by\x2duuid-AC6E\x2d3B90.device: Job
dev-disk-by\x2duuid-AC6E\x2d3B90.device/start failed with result 'timeout'.
-- Reboot --
1月 28 23:59:47 test-nuc7i5d systemd[1]: Started Tell Plymouth To Write Out
Runtime Data.
-- Reboot --
1月 28 23:59:47 test-nuc7i5d systemd[1]: Starting Set console font and keymap...
-- Reboot --
1月 28 23:59:47 test-nuc7i5d systemd[1]: Started Create Volatile Files and
Directories.
-- Reboot --
1月 28 23:59:47 test-nuc7i5d systemd[1]: Closed Syslog Socket.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Starting Set console scheme...
1月 28 23:59:47 test-nuc7i5d systemd[1]: Reached target Login Prompts.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Reached target Sockets.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Reached target Paths.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Starting Tell Plymouth To Write Out
Runtime Data...
1月 28 23:59:47 test-nuc7i5d systemd[1]: Started Emergency Shell.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Reached target Emergency Mode.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Starting Create Volatile Files and
Directories...
-- Reboot --
1月 28 23:59:47 test-nuc7i5d systemd[1]: Starting Network Time Synchronization...
1月 28 23:59:47 test-nuc7i5d systemd[1]: Starting Update UTMP about System
Boot/Shutdown...
-- Reboot --
1月 28 23:59:47 test-nuc7i5d systemd[1]: Reached target Timers.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Starting Raise network interfaces...
1月 28 23:59:47 test-nuc7i5d systemd[1]: Started Set console font and keymap.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Started Set console scheme.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Created slice system-getty.slice.
-- Reboot --
1月 28 23:59:47 test-nuc7i5d systemd[1]: Started Update UTMP about System
Boot/Shutdown.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Starting Update UTMP about System
Runlevel Changes...
1月 28 23:59:47 test-nuc7i5d systemd[1]: Started Update UTMP about System
Runlevel Changes.
-- Reboot --
1月 28 23:59:47 test-nuc7i5d systemd[1]: Started Tell Plymouth To Write Out
Runtime Data.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Started Create Volatile Files and
Directories.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Starting Network Time Synchronization...
1月 28 23:59:47 test-nuc7i5d systemd[1]: Starting Update UTMP about System
Boot/Shutdown...
1月 28 23:59:47 test-nuc7i5d systemd[1]: Starting Network Name Resolution...
1月 28 23:59:47 test-nuc7i5d systemd[1]: Started Update UTMP about System
Boot/Shutdown.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Starting Update UTMP about System
Runlevel Changes...
1月 28 23:59:47 test-nuc7i5d systemd[1]: Started Update UTMP about System
Runlevel Changes.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Started Raise network interfaces.
-- Reboot --
1月 28 23:59:47 test-nuc7i5d systemd-resolved[1864]: Positive Trust Anchors:
1月 28 23:59:47 test-nuc7i5d systemd-resolved[1864]: . IN DS 19036 8 2
49aac11d7b6f6446702e54a1607371607a1a41855200fd2ce1cdde32f24e8fb5
1月 28 23:59:47 test-nuc7i5d systemd-resolved[1864]: . IN DS 20326 8 2
e06d44b80b8f1d39a95c0b0d7c65d08458e880409bbc683457104237c7f8ec8d
1月 28 23:59:47 test-nuc7i5d systemd-resolved[1864]: Negative trust anchors:
10.in-addr.arpa 16.172.in-addr.arpa 17.172.in-addr.arpa 18.172.in-addr.arpa
19.172.in-addr.arpa 20.172.in-addr.arpa 21.172.in-addr.arpa 22.172.in-addr.arpa
23.172.in-addr.arpa 24.172.in-addr.arpa 25.172.in-addr.arpa 26.172.in-addr.arpa
27.172.in-addr.arpa 28.172.in-addr.arpa 29.172.in-addr.arpa 30.172.in-addr.arpa
31.172.in-addr.arpa 168.192.in-addr.arpa d.f.ip6.arpa corp home internal
intranet lan local private test
1月 28 23:59:47 test-nuc7i5d systemd-resolved[1864]: Using system hostname
'test-nuc7i5d'.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Started Network Name Resolution.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Reached target Network.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Reached target Network is Online.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Reached target Host and Network Name
Lookups.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Started Network Time Synchronization.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Reached target System Time Synchronized.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Startup finished in 2.092s (kernel) +
1min 30.672s (userspace) = 1min 32.765s.
-- Reboot --
1月 28 23:59:47 test-nuc7i5d systemd[1]: Started Network Time Synchronization.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Reached target System Time Synchronized.
1月 28 23:59:47 test-nuc7i5d systemd-resolved[1856]: Positive Trust Anchors:
1月 28 23:59:47 test-nuc7i5d systemd-resolved[1856]: . IN DS 19036 8 2
49aac11d7b6f6446702e54a1607371607a1a41855200fd2ce1cdde32f24e8fb5
1月 28 23:59:47 test-nuc7i5d systemd-resolved[1856]: . IN DS 20326 8 2
e06d44b80b8f1d39a95c0b0d7c65d08458e880409bbc683457104237c7f8ec8d
1月 28 23:59:47 test-nuc7i5d systemd-resolved[1856]: Negative trust anchors:
10.in-addr.arpa 16.172.in-addr.arpa 17.172.in-addr.arpa 18.172.in-addr.arpa
19.172.in-addr.arpa 20.172.in-addr.arpa 21.172.in-addr.arpa 22.172.in-addr.arpa
23.172.in-addr.arpa 24.172.in-addr.arpa 25.172.in-addr.arpa 26.172.in-addr.arpa
27.172.in-addr.arpa 28.172.in-addr.arpa 29.172.in-addr.arpa 30.172.in-addr.arpa
31.172.in-addr.arpa 168.192.in-addr.arpa d.f.ip6.arpa corp home internal
intranet lan local private test
1月 28 23:59:47 test-nuc7i5d systemd-resolved[1856]: Using system hostname
'test-nuc7i5d'.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Started Network Name Resolution.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Reached target Network.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Reached target Network is Online.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Reached target Host and Network Name
Lookups.
1月 28 23:59:47 test-nuc7i5d systemd[1]: Startup finished in 2.099s (kernel) +
1min 30.707s (userspace) = 1min 32.807s.
--
Siemens AG, Corporate Technology, CT RDA IOT SES-DE
Corporate Competence Center Embedded Linux
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