Why did system become unresponsive after "ips <PCIADDR> : Flashing Battery PIC, Please wait..." message ?
Issue
- System hangs and Seen below message prior to restart :
kernel: ips 0000:04:08.0: Resetting controller.
kernel: BUG: soft lockup - CPU#0 stuck for 75s! [kjournald:461]
kernel: CPU 0:
kernel: Modules linked in: bridge netloop netbk blktap blkbk nfs fscache nfs_acl mptctl mptbase autofs4 hidp rfcomm l2cap bluetooth lockd sunrpc ib_iser rdma_cm ib_cm iw_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp bnx2i cnic ipv6 xfrm_nalgo crypto_api uio cxgb3i cxgb3 8021q libiscsi_tcp libiscsi2 scsi_transport_iscsi2 scsi_transport_iscsi cpufreq_ondemand acpi_cpufreq freq_table dm_mirror dm_multipath scsi_dh video hwmon backlight sbs i2c_ec button battery asus_acpi ac parport_pc lp parport floppy serial_core e752x_edac tg3 e1000 edac_mc shpchp ide_cd serio_raw i2c_i801 i2c_core cdrom pcspkr sg dm_raid45 dm_message dm_region_hash dm_log dm_mod dm_mem_cache ata_piix libata ips sd_mod scsi_mod ext3 jbd uhci_hcd ohci_hcd ehci_hcd
kernel: Pid: 461, comm: kjournald Not tainted 2.6.18-164.el5xen #1
kernel: RIP: e030:[<ffffffff8020622a>] [<ffffffff8020622a>] hypercall_page+0x22a/0x1000
...
kernel: Call Trace:
kernel: [<ffffffff803ae05d>] force_evtchn_callback+0xa/0xb
kernel: [<ffffffff80262d95>] thread_return+0x5e/0x113
kernel: [<ffffffff88037629>] :jbd:kjournald+0x192/0x213
kernel: [<ffffffff8029bb44>] autoremove_wake_function+0x0/0x2e
kernel: [<ffffffff8029b92c>] keventd_create_kthread+0x0/0xc4
kernel: [<ffffffff88037497>] :jbd:kjournald+0x0/0x213
kernel: [<ffffffff8029b92c>] keventd_create_kthread+0x0/0xc4
kernel: [<ffffffff80233bcd>] kthread+0xfe/0x132
kernel: [<ffffffff80260b2c>] child_rip+0xa/0x12
kernel: [<ffffffff8029b92c>] keventd_create_kthread+0x0/0xc4
kernel: [<ffffffff80233acf>] kthread+0x0/0x132
kernel: [<ffffffff80260b22>] child_rip+0x0/0x12
kernel:
kernel: ips 0000:04:08.0: Flashing Battery PIC, Please wait ...
syslogd 1.4.1: restart.
Environment
- Red Hat Enterprise Linux 5
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