This works fine on the 2.4.21-20ELsmp kernel. Console outputs attached for both kernels below. Version-Release number of selected component (if applicable): 2.4.21-22.ELsmp Unable to handle kernel NULL pointer dereference at virtual address 000000000000 0020 printing rip: ffffffff80229773 PML4 0 Oops: 0000 CPU 0 Pid: 1, comm: swapper Not tainted RIP: 0010:[<ffffffff80229773>]{pci_read_config_dword+35} RSP: 0000:000001000dc17e28 EFLAGS: 00010046 RAX: 0000000000000087 RBX: 000001000dbb9800 RCX: 00000000800800a0 RDX: ffffffff8059d7c8 RSI: 00000000000000a4 RDI: 0000000000000000 RBP: 00000000ffffffed R08: 000001000dc17e14 R09: 0000000000000000 R10: 00000000ffffffff R11: 000000000000000a R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffffffff805e0b00(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000000020 CR3: 0000000000101000 CR4: 00000000000006e0 Call Trace: [<ffffffff801d8186>]{acpi_pci_irq_lookup+6} [<ffffffff801d828f>]{acpi_pci_irq_enable+104} [<ffffffff8022b0f6>]{pci_in it+6} [<ffffffff8010c0a2>]{init+50} [<ffffffff80110cc1>]{child_rip+8} [<ffffffff8010c070>]{init+0} [<ffffffff80110cb9>]{child_rip+0} Process swapper (pid: 1, stackpage=1000dc17000) Stack: 000001000dc17e28 0000000000000000 0000000000000246 0000000000000246 ffffffff8062dd7b 000001000dc17e48 0000000000000000 000001000dbb9800 00000000ffffffed 0000000000000000 ffffffff8062d797 0000000000000000 0000000000000000 0000000000000000 ffffffff8062de80 0000000000000000 0000000000000000 0000000000000000 ffffffff8062e02b 0000000000000000 ffffffff80623747 0000000000000003 0000000000000042 0000000000000000 ffffffff801d8186 000001000dba9000 ffffffff801d828f 000001000dc17ef7 000001000dc17ef7 000001000dba9000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffffffff8022b0f6 0000000000000000 ffffffff80619788 0000000000000000 ffffffff8010c0a2 0000000000000000 Call Trace: [<ffffffff801d8186>]{acpi_pci_irq_lookup+6} [<ffffffff801d828f>]{acpi_pci_irq_enable+104} [<ffffffff8022b0f6>]{pci_in it+6} [<ffffffff8010c0a2>]{init+50} [<ffffffff80110cc1>]{child_rip+8} [<ffffffff8010c070>]{init+0} [<ffffffff80110cb9>]{child_rip+0} Code: 48 8b 47 20 48 8b 40 60 ff 50 10 c6 05 6b 6f 22 00 01 ff 34 Kernel panic: Fatal exception
Created attachment 106116 [details] 2.4.21-20.EL-console-output.txt
Created attachment 106117 [details] 2.4.21-22.EL-console-output.txt
is this repeatable with 2.4.21-23 ?
This problem will be fixed in an upcoming U4 respin. *** This bug has been marked as a duplicate of 137819 ***
A fix for this problem has just been committed to the RHEL3 U4 patch pool this evening (in kernel version 2.4.21-24.EL).
An errata 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-2004-550.html