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DescriptionBruno Goncalves
2016-09-22 06:45:08 UTC
Description of problem:
When a FCoE initiator connects to FCoE target this message appear several times and then they keep being show from time to time on FCoE target.
[260869.893050] fc_exch_find: 3 callbacks suppressed
[260869.916964] libfc: lookup request for XID = 65535, indicates invalid CPU 7
[260869.950810] libfc: lookup request for XID = 65535, indicates invalid CPU 7
[260869.986441] libfc: lookup request for XID = 65535, indicates invalid CPU 7
[260870.024911] libfc: lookup request for XID = 65535, indicates invalid CPU 7
[260870.065903] libfc: lookup request for XID = 65535, indicates invalid CPU 7
[260870.099080] libfc: lookup request for XID = 65535, indicates invalid CPU 7
[260870.132267] libfc: lookup request for XID = 65535, indicates invalid CPU 7
[260870.165661] libfc: lookup request for XID = 65535, indicates invalid CPU 7
[260870.165783] libfc: lookup request for XID = 65535, indicates invalid CPU 7
[260870.231764] libfc: lookup request for XID = 65535, indicates invalid CPU 7
[260875.008779] fc_exch_find: 448 callbacks suppressed
[260875.033460] libfc: lookup request for XID = 65535, indicates invalid CPU 7
...
Version-Release number of selected component (if applicable):
Kernel 3.10.0-506.el7
How reproducible:
100%
Steps to Reproduce:
1.Configure LIO FCoE target
2.Connect an FCoE initiator to it
3.Check for the messages on FCoE target
The XID sanity check I added for bz#1190204bz#1351356 didn't take into account that exchange lookups are attempted even for the reserved value of 0xffff (65535) that indicates an exchange originated by the other endpoint that we haven't assigned a responder ID to yet. Rare case for an initiator, but normal operating behaviour for a target.
I'll get that cleaned up.
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHSA-2017:1842
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory, and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.
https://access.redhat.com/errata/RHSA-2017:1842