Re: [PATCH 1/3] ci: Wait for bitbake worker to finish before deleting artifacts

[Jan Kiszka <jan.kiszka@siemens.com>]

On 05.12.18 10:59, Maxim Yu. Osipov wrote:
> On 12/5/18 12:29 PM, Jan Kiszka wrote:
>> From: Jan Kiszka <jan.kiszka@siemens.com>
>>
>> bitbake completes asynchronously to the worker daemon. Therefore, we
>> must not start deleting its tmp folder before the termination because it
>> may contain active mounts.
>>
>> Wait for the socket that links frontend and backend to go away. This is
>> a reliably sign that the worker finished as well.
>>
>> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
>> ---
>>   scripts/ci_build.sh | 1 +
>>   1 file changed, 1 insertion(+)
>>
>> diff --git a/scripts/ci_build.sh b/scripts/ci_build.sh
>> index 20b77b7..aae9084 100755
>> --- a/scripts/ci_build.sh
>> +++ b/scripts/ci_build.sh
>> @@ -92,6 +92,7 @@ if [ -n "$FAST_BUILD" ]; then
>>           multiconfig:qemuarm-stretch:isar-image-base \
>>           multiconfig:qemuarm64-stretch:isar-image-base \
>>           multiconfig:qemuamd64-stretch:isar-image-base
>> +    while [ -e bitbake.sock ]; do sleep 1; done
> 
> I'm OK with this change, but this doesn't solve problems
> with hangs - when commands are launched by hand:
> 
> Command 1)
> bitbake  -c cache_base_repo multiconfig:qemuarm-stretch:isar-image-base 
> multiconfig:qemuarm64-stretch:isar-image-base multiconfig:qemuamd64-
> stretch:isar-image-base
> 
> At this step I've doublechecked  that bitbake.sock is cleaned.
> Command 2)
> sudo rm -rf tmp
> 
> Command 3)
> sed -i -e 's/#ISAR_USE_CACHED_BASE_REPO ?= "1"/ISAR_USE_CACHED_BASE_REPO ?= 
> "1"/g' conf/local.conf
> 
> No problems detected at this point - the same mounts etc.
> 
> The next command hangs on the last task (according strace bitbake tries to 
> unmount /sys /dev)

Again: What is the pstree of that? Where does the hang come from, what 
parameters were passed etc.? What is holding the mount point?

We really need to understand the problem, not just paper over it.

Jan

> 
> Command 4)
> bitbake multiconfig:qemuarm-stretch:isar-image-base 
> multiconfig:qemuarm64-stretch:isar-image-base 
> multiconfig:qemuamd64-stretch:isar-image-base
> 
> Maxim.
> 
>>       sudo rm -rf tmp
>>       sed -i -e 's/#ISAR_USE_CACHED_BASE_REPO ?= "1"/ISAR_USE_CACHED_BASE_REPO 
>> ?= "1"/g' conf/local.conf
>>       bitbake $BB_ARGS \
>>
> 
> 


-- 
Siemens AG, Corporate Technology, CT RDA IOT SES-DE
Corporate Competence Center Embedded Linux