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Bug #1047

closed

babeltrace error reading trace on a NFS filesystem

Added by Mathieu Desnoyers almost 8 years ago. Updated about 4 years ago.

Status:
Invalid
Priority:
Normal
Assignee:
-
Category:
-
Target version:
-
Start date:
07/15/2016
Due date:
% Done:

0%

Estimated time:

Description

Trying to run babeltrace on the cubietruck:

master 97b9d59e8ae35c548281af4f0b40647027019214

root@linaro-nano:~/lttng-traces/auto-20160715-195804# babeltrace .
Error on fpathconf: Value too large for defined data type
[error] Failed to get _PC_NAME_MAX for path "./ust/uid/0/32-bit".
[warning] [Context] Cannot open_trace of format ctf at path ./ust/uid/0/32-bit.
[warning] [Context] cannot open trace "./ust/uid/0/32-bit" from . for reading.
[error] Cannot open any trace for reading.

[error] opening trace "." for reading.

[error] none of the specified trace paths could be opened.

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 #1

Updated by Mathieu Desnoyers almost 8 years ago

Seems to happen when the trace is in a NFS filesystem. Happens with stable-1.4 too.

Works fine if I move the trace to a ext4 filesystem on the same machine.

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 #2

Updated by Mathieu Desnoyers almost 8 years ago

  • Subject changed from babeltrace error on arm32 to babeltrace error reading trace on a NFS filesystem
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 #3

Updated by Mathieu Desnoyers almost 8 years ago

Seems to be the culprit:

pc_name_max = fpathconf(td->dirfd, _PC_NAME_MAX);
        if (pc_name_max < 0) {
                perror("Error on fpathconf");
                fprintf(stderr, "[error] Failed to get _PC_NAME_MAX for path \"%s\".\n", path);
                ret = -1;
                goto error_metadata;
        }

The question is why fpathconf fails on NFS ?

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 #4

Updated by Jonathan Rajotte Julien about 4 years ago

  • Status changed from New to Invalid

State of babeltrace moved a lot since.

Closing this ticket as invalid. Reopen it if it stills apply to Babeltrace 2.

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