This bugzilla has Keywords: Regression. Since no regressions are allowed between releases, it is also being proposed as a blocker for this release. Please resolve ASAP.
Created attachment 324805 [details] Posted patch to rhel4.8
Committed in 78.22.EL . RPMS are available at http://people.redhat.com/vgoyal/rhel4/
I have verified this bug on dell-pe2900-02.rhts.bos.redhat.com. First, with 2.6.9-78.ElxenU and "vif= [ 'type=ioemu' ]", the RHEL4-U7 guest will crash: ... Welcome to Red Hat Enterprise Linux AS Press 'I' to enter interactive startup. Cannot access the Hardware Clock via any known method. Use the --debug option to see the details of our search for an access method. Setting clock (localtime): Wed Apr 22 07:22:27 EDT 2009 [ OK ] Starting udev: [ OK ] Initializing hardware... storage----------- [cut here ] --------- [please bite here ] --------- Kernel BUG at dev:3006 invalid operand: 0000 [1] SMP CPU 0 Modules linked in: xennet dm_snapshot dm_zero dm_mirror ext3 jbd dm_mod xenblk sd_mod scsi_mod Pid: 7, comm: xenwatch Not tainted 2.6.9-78.ELxenU RIP: e030:[<ffffffff80242d63>] <ffffffff80242d63>{free_netdev+30} RSP: e02b:ffffff8000ab7e20 EFLAGS: 00010293 RAX: 0000000000000002 RBX: 00000000fffffffe RCX: 0000000100ab6000 RDX: ffffff8000ab6000 RSI: 0000000000000000 RDI: ffffff801e980000 RBP: fffffffffffffffe R08: ffffff8000ab6000 R09: 0000000300000000 R10: 0000000300000000 R11: 0000000000000002 R12: ffffff801e980380 R13: ffffff801e981d30 R14: ffffff80019e9e00 R15: ffffffff80146108 FS: 0000002a95573b00(0000) GS:ffffffff80428200(0000) knlGS:0000000000000000 CS: e033 DS: 0000 ES: 0000 Process xenwatch (pid: 7, threadinfo ffffff8000ab6000, task ffffff8000a837f0) Stack: ffffffffa009a44c ffffff801f19add7 ffffff801e980000 ffffff801e980380 ffffff80019e9e00 00000000fffffffc ffffff8000011da8 0000000100000001 ffffff801f187500 ffffffff80358060 Call Trace:<ffffffffa009a44c>{:xennet:backend_changed+2215} <ffffffff80146108>{keventd_create_kthread+0} <ffffffff8022797d>{xenwatch_handle_callback+21} <ffffffff80227b2d>{xenwatch_thread+381} <ffffffff8012ea2c>{autoremove_wake_function+0} <ffffffff8012ea2c>{autoremove_wake_function+0} <ffffffff802279b0>{xenwatch_thread+0} <ffffffff801460df>{kthread+200} <ffffffff8010e196>{child_rip+8} <ffffffff80146108>{keventd_create_kthread+0} <ffffffff80146017>{kthread+0} <ffffffff8010e18e>{child_rip+0} Code: 0f 0b 7e d4 2a 80 ff ff ff ff be 0b c7 87 10 02 00 00 05 00 RIP <ffffffff80242d63>{free_netdev+30} RSP <ffffff8000ab7e20> <0>Kernel panic - not syncing: Oops And with 2.6.9-88.ELxenU, the guest works fine. Will change the status to "VERIFIED". Thanks!
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 therefore 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/RHSA-2009-1024.html