http://bugzilla.kernel.org/show_bug.cgi?id=13242 Summary: System Panics with emulex lpfc driver during the boot Product: SCSI Drivers Version: 2.5 Kernel Version: 2.6.30-rc4 Platform: All OS/Version: Linux Tree: Mainline Status: NEW Severity: blocking Priority: P1 Component: Other AssignedTo: scsi_drivers-other@xxxxxxxxxxxxxxxxxxxx ReportedBy: babu.moger@xxxxxxx CC: babu.moger@xxxxxxx, james.smart@xxxxxxxxxx Regression: No James Smart <james.smart@xxxxxxxxxx> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |james.smart@xxxxxxxxxx I have two luns connected to my system with lpfc adapter. During the boot up I am seeing following panic. ========================================================= Starting udev: [ OK ] Loading default keymap (us): [ OK ] Setting hostname mymachine: [ OK ] BUG: unable to handle kernel NULL pointer dereference at 0000000000000011 IP: [<ffffffffa0137367>] lpfc_mbox_timeout_handler+0x34/0x176 [lpfc] PGD 0 Oops: 0000 [#1] SMP last sysfs file: /sys/block/sdh/dev CPU 2 Modules linked in: dm_round_robin scsi_dh_rdac dm_multipath scsi_dh sbs sbshc battery acpi_memhotplug ac parport_pc lp parport joydev sg dcdbas ide_cd_mod cdrom bnx2 serio_raw button rtc_cmos rtc_core rtc_lib i5000_edac edac_core pcspkr dm_snapshot dm_zero dm_mirror dm_region_hash dm_log dm_mod lpfc qla2xxx scsi_transport_fc ata_piix libata shpchp megaraid_sas sd_mod scsi_mod ext3 jbd uhci_hcd ohci_hcd ehci_hcd Pid: 687, comm: lpfc_worker_0 Not tainted 2.6.30-rc4 #1 PowerEdge 2900 RIP: 0010:[<ffffffffa0137367>] [<ffffffffa0137367>] lpfc_mbox_timeout_handler+0x34/0x176 [lpfc] RSP: 0018:ffff88007db83d80 EFLAGS: 00010282 RAX: ffff88007d830c38 RBX: 0000000000000000 RCX: ffff88007db83d30 RDX: ffff88007db83da0 RSI: ffff88007d9242c8 RDI: ffff88007f381000 RBP: ffff88007d924000 R08: ffff88007db83d30 R09: ffff88007db83d30 R10: ffff88007d924298 R11: ffffffff8027bd2c R12: ffff88007d924a90 R13: ffff88007d830c38 R14: ffffffff807f1fe0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff880001063000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000000011 CR3: 0000000000201000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process lpfc_worker_0 (pid: 687, threadinfo ffff88007db82000, task ffff88007f13e380) Stack: ffff88007d924000 0000000000000000 000004007d830c38 ffff88007dd10000 ffff88007d830c38 ffff88007d924a90 ffff88007d830c38 ffffffff807f1fe0 0000000000000000 ffffffffa01471aa 0000000000000000 0000000000000000 Call Trace: [<ffffffffa01471aa>] ? lpfc_do_work+0x80d/0x126a [lpfc] [<ffffffff8022d3e6>] ? update_curr+0x6f/0xaa [<ffffffff804b6c76>] ? thread_return+0x3e/0x92 [<ffffffff8024a4b6>] ? autoremove_wake_function+0x0/0x2e [<ffffffffa014699d>] ? lpfc_do_work+0x0/0x126a [lpfc] [<ffffffffa014699d>] ? lpfc_do_work+0x0/0x126a [lpfc] [<ffffffff8024a385>] ? kthread+0x54/0x83 [<ffffffff8020c93a>] ? child_rip+0xa/0x20 [<ffffffff8024a331>] ? kthread+0x0/0x83 [<ffffffff8020c930>] ? child_rip+0x0/0x20 Code: 48 89 fd 53 48 83 ec 18 8b 47 04 48 8b 9f 78 05 00 00 89 44 24 14 44 8b bf 48 0c 00 00 48 8b 87 d8 10 00 00 48 8b bf 88 0a 00 00 <44> 0f b6 73 11 4c 8b a7 90 00 00 00 48 83 ef 80 44 8b 68 1c e8 RIP [<ffffffffa0137367>] lpfc_mbox_timeout_handler+0x34/0x176 [lpfc] RSP <ffff88007db83d80> CR2: 0000000000000011 ---[ end trace c69908409be07954 ]--- --- Comment #1 from James Smart <james.smart@xxxxxxxxxx> 2009-05-06 15:07:29 --- We resolved a similar panic with our 8.3.1 driver patch set. Please validate that you are indeed using vanilla 2.6.30-rc4, and that the boot strings show lpfc version 8.3.1. -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are watching the assignee of the bug. -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html