NMI Watchdog detected LOCKUP on CPU X and triggered kernel panic with exception RIP: vgacon_scroll+145

Solution Unverified - Updated -

Issue

  • Kernel panic with following call traces;
NMI Watchdog detected LOCKUP on CPU 0
CPU 0 
Modules linked in: iptable_filter ip_tables x_tables nfs fscache nfs_acl mptctl sg ipmi_watchdog ipmi_devintf ipmi_si ipmi_msghandler autofs4 hidp l2cap bluetooth lockd sunrpc bnx2i libiscsi2 cnic ipv6 xfrm_nalgo crypto_api uio scsi_transport_iscsi2 scsi_transport_iscsi loop 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 joydev hpilo i5000_edac shpchp bnx2 edac_mc serio_raw pcspkr dm_raid45 dm_message dm_region_hash dm_mem_cache dm_snapshot dm_zero dm_mirror dm_log dm_mod usb_storage ata_piix libata mptspi mptscsih scsi_transport_spi mptbase cciss sd_mod scsi_mod ext3 jbd uhci_hcd ohci_hcd ehci_hcd
Pid: 0, comm: swapper Not tainted 2.6.18-194.32.1.el5 #1
RIP: 0010:[<ffffffff801726c4>]  [<ffffffff801726c4>] vgacon_scroll+0x91/0x23f
RSP: 0018:ffffffff80446ca0  EFLAGS: 00010046
RAX: 0000000000000000 RBX: ffff81000905c400 RCX: 000000000000002f
RDX: 000000000000000c RSI: ffff8100000bec91 RDI: ffff810009054a31
RBP: 0000000000000000 R08: ffff8100000bec20 R09: 0000000000000020
R10: 0000000000000000 R11: 0000000000000000 R12: 00000000000000a0
R13: ffff8100000bec20 R14: 0000000000000000 R15: 000000000000003a
FS:  0000000000000000(0000) GS:ffffffff803ca000(0000) knlGS:0000000000000000
CS:  0010 DS: 0018 ES: 0018 CR0: 000000008005003b
CR2: 00007fffedf4dfd0 CR3: 0000000750950000 CR4: 00000000000006e0
Process swapper (pid: 0, threadinfo ffffffff803fa000, task ffffffff80308b60)
Stack:  0000000000000019 ffff81000905c400 0000000000000000 0000000000000000
 0000000000000001 ffffffff801b007b ffff81000905c400 000000000000000a
 0000000000000000 ffffffff80490bf5 0000000000000001 ffffffff801b00fa
Call Trace:
 <IRQ>  [<ffffffff801b007b>] scrup+0x5d/0xc0
 [<ffffffff801b00fa>] lf+0x1c/0x3a
 [<ffffffff801b4223>] vt_console_print+0x15a/0x227
 [<ffffffff80091d1f>] __call_console_drivers+0x5b/0x69
 [<ffffffff80017243>] release_console_sem+0x149/0x20e
 [<ffffffff800924b8>] vprintk+0x2b2/0x317
 [<ffffffff80150939>] __next_cpu+0x19/0x28
 [<ffffffff8008bbf0>] find_busiest_group+0x20d/0x621
 [<ffffffff8009256f>] printk+0x52/0xbd
 [<ffffffff8008dcba>] rebalance_tick+0x183/0x3cb
 [<ffffffff8004f640>] hrtimer_run_queues+0xfa/0x197
 [<ffffffff8849f69d>] :sunrpc:rpc_free_task_rcu+0x26/0x36
 [<ffffffff8009ebdb>] __rcu_process_callbacks+0x123/0x1a1
 [<ffffffff8009511b>] tasklet_action+0x89/0xfd
 [<ffffffff8001241d>] __do_softirq+0x89/0x133
 [<ffffffff8005e2fc>] call_softirq+0x1c/0x28
 [<ffffffff8006cb8a>] do_softirq+0x2c/0x85
 [<ffffffff800570dc>] mwait_idle+0x0/0x4a
 [<ffffffff8005dc8e>] apic_timer_interrupt+0x66/0x6c
 <EOI>  [<ffffffff80057112>] mwait_idle+0x36/0x4a
 [<ffffffff800492c4>] cpu_idle+0x95/0xb8
 [<ffffffff80405807>] start_kernel+0x220/0x225
 [<ffffffff8040522f>] _sinittext+0x22f/0x236

Code: f3 a4 8b 35 a0 da 34 00 8b 15 8e da 34 00 ff c6 89 35 92 da 

Environment

  • Red Hat Enterprise Linux 5
  • kernel-2.6.18-194.32.1.el5
  • NMI Watchdog

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