[CRIU] zdtm/static/netns_sub(ns) zdtm/static/netns_sub_veth(uns) failures in Fedora rawhide CI

[Andrei Vagin]

On Sat, May 04, 2019 at 06:05:54PM +0200, Adrian Reber wrote:
> I have added some CI to the Fedora CRIU package and I see two errors
> which I do not see locally:
> 
> https://jenkins-continuous-infra.apps.ci.centos.org/job/fedora-rawhide-build-pipeline/3917/artifact/package-tests/logs/FAIL_str_zdtm.log
> 
> ==================== Run zdtm/static/netns_sub_veth in uns =====================
> Start test
> Test is SUID
> ./netns_sub_veth --pidfile=netns_sub_veth.pid --outfile=netns_sub_veth.out
> Run criu dump
> =[log]=> dump/zdtm/static/netns_sub_veth/52/1/dump.log
> ------------------------ grep Error ------------------------
> (00.169059) 	LD: Got link 22, type 1
> (00.169078) The peer link is in the 1 netns with the 22 index
> (00.169090) Found ll addr (2e:../6) for zdtm1
> (00.171745) 	Running ip route save
> Error: ipv4: FIB table does not exist.

Could you try to run "ip route save"?

[root at fc24 criu]# ip route save > /tmp/routes.tmp
[root at fc24 criu]# echo $?

Could you take a look at this:
https://www.spinics.net/lists/netdev/msg559904.html

> Dump terminated
> (00.172824) Error (criu/util.c:608): exited, status=2
> (00.172858) Error (criu/net.c:1735): IP tool failed on route save
> (00.173771) net/ipv6/conf/zdtm1/stable_secret nr 200
> (00.174260) 	Running ip addr save
> (00.174665) Error (criu/namespaces.c:1090): Namespaces dumping finished with error 65280
> (00.174936) Unlock network
> (00.174949) Running network-unlock scripts
> Error: ipv4: FIB table does not exist.
> Dump terminated
> (00.176427) Error (criu/util.c:608): exited, status=2
> (00.176466) Error (criu/net.c:1735): IP tool failed on route save
> (00.261638) 	Unseizing 52 into 1
> (00.261694) 	Unseizing 55 into 1
> (00.261727) 	Unseizing 56 into 1
> (00.261774) 	Unseizing 57 into 1
> (00.261921) Error (criu/cr-dump.c:1742): Dumping FAILED.
> ------------------------ ERROR OVER ------------------------
> ############## Test zdtm/static/netns_sub_veth FAIL at CRIU dump ###############
> Send the 9 signal to  52
> Wait for zdtm/static/netns_sub_veth(52) to die for 0.100000
> 
> 
> ======================= Run zdtm/static/netns_sub in ns ========================
> Start test
> Test is SUID
> ./netns_sub --pidfile=netns_sub.pid --outfile=netns_sub.out
> Run criu dump
> =[log]=> dump/zdtm/static/netns_sub/42/1/dump.log
> ------------------------ grep Error ------------------------
> (00.120808) 	Running ip addr save
> (00.122616) 	Running ip route save
> (00.122789) 	Running ip route save
> (00.125593) 	Running ip route save
> Error: ipv4: FIB table does not exist.
> Dump terminated
> (00.127013) Error (criu/util.c:608): exited, status=2
> (00.127050) Error (criu/net.c:1735): IP tool failed on route save
> (00.182636) Error (criu/namespaces.c:1090): Namespaces dumping finished with error 65280
> (00.182921) Unlock network
> (00.182937) Running network-unlock scripts
> Error: ipv4: FIB table does not exist.
> Dump terminated
> (00.184279) 	Running ip -6 route save
> (00.184292) Error (criu/util.c:608): exited, status=2
> (00.184339) Error (criu/net.c:1735): IP tool failed on route save
> (00.193427) 	Unseizing 45 into 1
> (00.193461) 	Unseizing 46 into 1
> (00.193489) 	Unseizing 48 into 1
> (00.193517) 	Unseizing 47 into 1
> (00.193603) Error (criu/cr-dump.c:1742): Dumping FAILED.
> ------------------------ ERROR OVER ------------------------
> ################# Test zdtm/static/netns_sub FAIL at CRIU dump #################
> Send the 9 signal to  42
> Wait for zdtm/static/netns_sub(42) to die for 0.100000
> 
> 
> Unfortunately this is all I currently have. Does anyone have any ideas what might
> be the reason for these failures?
> 
> 		Adrian
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