I haven't been trussing it... it reports EINVAL to stderr... I find
the ops to look
at in the debug output by looking for the -22...
(373) open ./clients/client8/~dmtmp/PARADOX/STUDENTS.DB failed for
handle 9981 (Invalid argument)
I just got the whacky code <g> from Al's last message to compile, I'll
have results from that soon...
-Mike
On Thu, Feb 18, 2016 at 2:49 PM, Martin Brandenburg <martin@xxxxxxxxxxxx> wrote:
> On Thu, 18 Feb 2016, Mike Marshall wrote:
>
>> Still busted, exactly the same, I think. The doomed op gets a good
>> return code from is_daemon_in_service in service_operation but
>> gets EAGAIN from wait_for_matching_downcall... an edge case kind of
>> problem.
>>
>> Here's the raw (well, slightly edited for readability) logs showing
>> the doomed op and subsequent failed op that uses the bogus handle
>> and fsid from the doomed op.
>>
>>
>>
>> Alloced OP (ffff880012898000: 10889 OP_CREATE)
>> service_operation: orangefs_create op:ffff880012898000:
>>
>>
>>
>> wait_for_matching_downcall: operation purged (tag 10889, ffff880012898000, att 0
>> service_operation: wait_for_matching_downcall returned -11 for ffff880012898000
>> Interrupted: Removed op ffff880012898000 from htable_ops_in_progress
>> tag 10889 (orangefs_create) -- operation to be retried (1 attempt)
>> service_operation: orangefs_create op:ffff880012898000:
>> service_operation:client core is NOT in service, ffff880012898000
>>
>>
>>
>> service_operation: wait_for_matching_downcall returned 0 for ffff880012898000
>> service_operation orangefs_create returning: 0 for ffff880012898000
>> orangefs_create: PPTOOLS1.PPA:
>> handle:00000000-0000-0000-0000-000000000000: fsid:0:
>> new_op:ffff880012898000: ret:0:
>>
>>
>>
>> Alloced OP (ffff880012888000: 10958 OP_GETATTR)
>> service_operation: orangefs_inode_getattr op:ffff880012888000:
>> service_operation: wait_for_matching_downcall returned 0 for ffff880012888000
>> service_operation orangefs_inode_getattr returning: -22 for ffff880012888000
>> Releasing OP (ffff880012888000: 10958
>> orangefs_create: Failed to allocate inode for file :PPTOOLS1.PPA:
>> Releasing OP (ffff880012898000: 10889
>>
>>
>>
>>
>> What I'm testing with differs from what is at kernel.org#for-next by
>> - diffs from Al's most recent email
>> - 1 souped up gossip message
>> - changed 0 to OP_VFS_STATE_UNKNOWN one place in service_operation
>> - reinit_completion(&op->waitq) in orangefs_clean_up_interrupted_operation
>>
>>
>>
>
> Mike,
>
> what error do you get from userspace (i.e. from dbench)?
>
> open("./clients/client0/~dmtmp/EXCEL/5D7C0000", O_RDWR|O_CREAT, 0600) = -1 ENODEV (No such device)
>
> An interesting note is that I can't reproduce at all
> with only one dbench process. It seems there's not
> enough load.
>
> I don't see how the kernel could return ENODEV at all.
> This may be coming from our client-core.
>
> -- Martin
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