[CRIU] crtools error: "can't splice to pipe"

[J F]

>
>
> > I see. I have fixed the problem. Could you apply the attached patch
> > instead of the previous one.
>

The script makes it past the previous "hang". I now see the following
output followed by a script "hang", and the file trace.log is not generated.

+ pid=4396
+ mkdir /tmp/debug
mkdir: cannot create directory â/tmp/debugâ: File exists
+ mount -t debugfs debug /tmp/debug/
mount: debug already mounted or /tmp/debug/ busy
mount: according to mtab, debug is already mounted on /tmp/debug
+ echo 4396
+ echo function
+ echo 0
+ echo 1
+ ./criu dump --tree 4396 --shell-job --images-dir /mnt/mydata/dump
pie: Error (pie/parasite.c:75): Can't splice pages to pipe (32768/25)
>
Error (parasite-syscall.c:387): si_code=2 si_pid=4465 si_status=9
Error (parasite-syscall.c:297): Message reply from daemon is trimmed (12/0)
Error (mem.c:346): Can't dump page with parasite
Error (parasite-syscall.c:270): Failed to send command 7 to daemon
: Broken pipe
Error (mem.c:350): Can't rollback unprotected vmas with parasite
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