[CRIU] failures on aarch64 (master and criu-dev)

[Dmitry Safonov]

2017-07-21 15:37 GMT+03:00 Adrian Reber <adrian at lisas.de>:
> I just tried criu on aarch64 and I see errors with master and criu-dev.
> Kernel is 4.11:
>
> criu-dev:
>
> (00.013098) Dumping pages (type: 53 pid: 24)
> (00.013102) ----------------------------------------
> (00.013106)    Private vmas 352/625 pages
> (00.013124) pagemap-cache: created for pid 24 (takes 4096 bytes)
> (00.013131) page-pipe: Create page pipe for 625 segs
> (00.013137) page-pipe: Will grow page pipe (iov off is 0)
> (00.013333) pagemap-cache: filling VMA 400000-410000 (64K) [l:400000 h:600000]
> (00.013347) pagemap-cache:                400000-410000           nr:1     cov:65536
> (00.013353) pagemap-cache:                410000-420000           nr:2     cov:131072
> (00.013359) pagemap-cache:                420000-430000           nr:3     cov:196608
> (00.013363) pagemap-cache:      cache  mode [l:400000 h:600000]
> (00.013394) Pagemap generated: 0 pages (0 lazy) 0 holes
> (00.013400) Pagemap generated: 0 pages (0 lazy) 0 holes
> (00.013405) Pagemap generated: 0 pages (0 lazy) 0 holes
> (00.013409) pagemap-cache: filling VMA ffffaf170000-ffffaf2d0000 (1408K) [l:ffffaf000000 h:ffffaf200000]
> (00.013425) Error (criu/pagemap-cache.c:159): pagemap-cache: Can't read 24's pagemap file: No such file or directory
> (00.013439) Error (criu/pagemap-cache.c:175): pagemap-cache: Failed to fill cache for 24 (ffffaf170000-ffffaf2d0000)
> (00.013483) page-pipe: Killing page pipe
> (00.013502) ----------------------------------------
>
> https://lisas.de/~adrian/dump.log.aarch64.criu-dev
>
> master:
>
> (00.016723) Wait for ack 74 on daemon socket
> pie: 1: __sent ack msg: 74 74 0
> (00.016733) Fetched ack: 74 74 0
> pie: 1: Daemon waits for command
> (00.016753) Error (criu/vdso.c:146): vdso: Can't read pme for pid 30: Success
> (00.016764) Error (criu/cr-dump.c:1291): Can't fixup vdso VMAs (pid: 30)
> (00.017428) Running network-unlock scripts
> (00.021657) Unfreezing tasks into 1
> (00.021683)     Unseizing 30 into 1
> (00.021697)     Unseizing 33 into 1
> (00.021716) Error (criu/cr-dump.c:1657): Dumping FAILED.
>
> https://lisas.de/~adrian/dump.log.aarch64.master

I'll look at vdso issue - as in the near days I'll need to play with
vdso C/R on aarch64 anyway.

>
>                 Adrian
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-- 
             Dmitry