RHEL5: kernel panic in acpi_processor_power_activate ?

Solution Unverified - Updated -

Issue

  • Kernel crashes in acpi_processor_power_activate called from acpi_processor_idle_simple with the following call trace
Unable to handle kernel NULL pointer dereference at 0000000000000001 RIP: 
 [<ffffffff8019cc6c>] acpi_processor_power_activate+0x5c/0x85
PGD 237d6df067 PUD 1e6b075067 PMD 0 
Oops: 0000 [1] SMP 
last sysfs file: /block/cciss!c0d0/cciss!c0d0p1/stat
CPU 22 
Modules linked in: ipmi_devintf ipmi_si ipmi_msghandler oracleacfs(PU) oracleadvm(PU) oracleoks(PU) nfs fscache nfs_acl autofs4 lockd sunrpc bonding ipv6 xfrm_nalgo crypto_api emcpvlumd(PU) emcpxcrypt(PU) emcpdm(PU) emcpgpx(PU) emcpmpx(PU) emcp(PU) dm_multipath scsi_dh video backlight sbs power_meter hwmon i2c_ec i2c_core dell_wmi wmi button battery asus_acpi acpi_memhotplug ac parport_pc lp parport sr_mod cdrom sg lpfc e1000e scsi_transport_fc pcspkr shpchp hpilo serio_raw dm_raid45 dm_message dm_region_hash dm_mem_cache dm_snapshot dm_zero dm_mirror dm_log dm_mod ata_piix libata cciss sd_mod scsi_mod ext3 jbd ehci_hcd
Pid: 0, comm: swapper Tainted: P      2.6.18-194.17.4.el5 #1
RIP: 0010:[<ffffffff8019cc6c>]  [<ffffffff8019cc6c>] acpi_processor_power_activate+0x5c/0x85
RSP: 0018:ffff811217df1ed8  EFLAGS: 00010246
RAX: ffff8112172f4900 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000008 RSI: ffff8112172f4900 RDI: ffff8112173f4800
RBP: ffff8112172f4900 R08: ffff811217df0000 R09: 0000000000000029
R10: ffff810009062e90 R11: ffffffff8014bd62 R12: ffff8112173f4800
R13: ffffffff803d3580 R14: 0000000000001600 R15: ffffffff803f4520
FS:  0000000000000000(0000) GS:ffff811217cf0940(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 0000000000000001 CR3: 0000001e70c22000 CR4: 00000000000006e0
Process swapper (pid: 0, threadinfo ffff811217df0000, task ffff812417c6f0c0)
Stack:  ffffffff8019d404 0000000000000016 00000000000000ff ffffffff8004923a
 00000000000002c0 ffffffff8007796b ffffffff803f2540 0000000000000000
 0000000000000000 0000000000000000 0000000000000000 0000000000000000
Call Trace:
 [<ffffffff8019d404>] acpi_processor_idle_simple+0x0/0x30e
 [<ffffffff8004923a>] cpu_idle+0x95/0xb8
 [<ffffffff8007796b>] start_secondary+0x498/0x4a7

Code: 80 7b 01 03 74 19 41 f6 44 24 1c 20 74 11 31 d2 be 01 00 00 
RIP  [<ffffffff8019cc6c>] acpi_processor_power_activate+0x5c/0x85
 RSP <ffff811217df1ed8>

Environment

  • Red Hat Enterprise Linux 5 (All)
    • Seen on kernel-2.6.18-194.17.4.el5

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