Description of problem: In qla4xxx_mailbox_command() function the ha->mbox_sem mutex is grabbed by calling mutex_lock(). However in the statements following the thread is put to sleep. If another thread invokes qla4xxx_mailbox_command(), a lock up can occur. Version-Release number of selected component (if applicable): How reproducible: Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info:
Created attachment 145857 [details] fix a potential lock up in qla4xxx_mailbox_command()
David, is this a regression?
Unfortunately the 5.0 kernel is done. This will have to wait for 5.1.
This request was evaluated by Red Hat Kernel Team for inclusion in a Red Hat Enterprise Linux maintenance release, and has moved to bugzilla status POST.
in 2.6.18-27.el5 You can download this test kernel from http://people.redhat.com/dzickus/el5
A fix for this issue has been included in the packages contained in the beta (RHN channel) or most recent snapshot (partners.redhat.com) for RHEL5.1. Please verify that your issue is fixed. After you (Red Hat Partner) have verified that this issue has been addressed, please perform the following: 1) Change the *status* of this bug to VERIFIED. 2) Add *keyword* of PartnerVerified (leaving the existing keywords unmodified) If you cannot access bugzilla, please reply with a message to Issue Tracker and I will change the status for you. If this issue is not fixed, please add a comment describing the most recent symptoms of the problem you are having and change the status of the bug to ASSIGNED.
A fix for this issue should have been included in the packages contained in the most recent snapshot (partners.redhat.com) for RHEL5.1. Requested action: Please verify that your issue is fixed as soon as possible to ensure that it is included in this update release. After you (Red Hat Partner) have verified that this issue has been addressed, please perform the following: 1) Change the *status* of this bug to VERIFIED. 2) Add *keyword* of PartnerVerified (leaving the existing keywords unmodified) If this issue is not fixed, please add a comment describing the most recent symptoms of the problem you are having and change the status of the bug to FAILS_QA. More assistance: If you cannot access bugzilla, please reply with a message to Issue Tracker and I will change the status for you. If you need assistance accessing ftp://partners.redhat.com, please contact your Partner Manager.
A fix for this issue should have been included in the packages contained in the RHEL5.1-Snapshot4 on partners.redhat.com. Requested action: Please verify that your issue is fixed *as soon as possible* to ensure that it is included in this update release. After you (Red Hat Partner) have verified that this issue has been addressed, please perform the following: 1) Change the *status* of this bug to VERIFIED. 2) Add *keyword* of PartnerVerified (leaving the existing keywords unmodified) If this issue is not fixed, please add a comment describing the most recent symptoms of the problem you are having and change the status of the bug to FAILS_QA. If you cannot access bugzilla, please reply with a message to Issue Tracker and I will change the status for you. If you need assistance accessing ftp://partners.redhat.com, please contact your Partner Manager.
A fix for this issue should have been included in the packages contained in the RHEL5.1-Snapshot6 on partners.redhat.com. Requested action: Please verify that your issue is fixed ASAP to confirm that it will be included in this update release. After you (Red Hat Partner) have verified that this issue has been addressed, please perform the following: 1) Change the *status* of this bug to VERIFIED. 2) Add *keyword* of PartnerVerified (leaving the existing keywords unmodified) If this issue is not fixed, please add a comment describing the most recent symptoms of the problem you are having and change the status of the bug to FAILS_QA. If you cannot access bugzilla, please reply with a message to Issue Tracker and I will change the status for you. If you need assistance accessing ftp://partners.redhat.com, please contact your Partner Manager.
An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on the solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHBA-2007-0959.html