Hi Stephen, Kernel bug is hit while booting up the next-20080325 kernel with MPT Fusion driver built in.This was reported previously for the next-20080320 kernel http://marc.info/?l=linux-next&m=120601013920868&w=2 Loading mptscsih.ko module Loading mptspi.ko module [ 6.591066] Fusion MPT SPI Host driver 3.04.06 [ 6.592181] ACPI: PCI Interrupt 0000:01:01.0[A] -> GSI 22 (level, low) -> IRQ 22 [ 6.593991] mptbase: ioc0: Initiating bringup [ 6.718342] ioc0: LSI53C1030 B2: Capabilities={Initiator} [ 6.722484] mptbase: ioc0: PCI-MSI enabled [ 16.902699] mptbase: ioc0: Initiating recovery [ 16.903618] mptbase: ioc0: WARNING - IOC is in FAULT state!!! [ 16.904618] mptbase: ioc0: WARNING - FAULT code = 8112h [ 21.909082] mptbase: ioc0: ERROR - Doorbell ACK timeout (count=4999), IntStatus=80000009! [ 39.152711] mptbase: ioc0: Recovered from IOC FAULT [ 61.630538] BUG: unable to handle kernel NULL pointer dereference at 00000528 [ 61.632545] IP: [<f881ccc9>] :mptspi:mptspi_dv_renegotiate_work+0xc/0xab [ 61.634545] *pde = 00000000 [ 61.636219] Oops: 0000 [#1] SMP [ 61.636537] last sysfs file: /sys/block/ram15/dev [ 61.636537] Modules linked in: mptspi(+) mptscsih mptbase scsi_transport_spi sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd uhci_hcd [ 61.636537] [ 61.636537] Pid: 17, comm: events/2 Not tainted (2.6.25-rc6-next-20080325-autotest #1) [ 61.636537] EIP: 0060:[<f881ccc9>] EFLAGS: 00010282 CPU: 2 [ 61.636537] EIP is at mptspi_dv_renegotiate_work+0xc/0xab [mptspi] [ 61.636537] EAX: f79e5868 EBX: f79e586c ECX: f78c308c EDX: 00000001 [ 61.636537] ESI: f7867e38 EDI: 00000528 EBP: f78a2f78 ESP: f78a2f58 [ 61.636537] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 61.636537] Process events/2 (pid: 17, ti=f78a2000 task=f78c29a0 task.ti=f78a2000) [ 61.636537] Stack: 00000000 00000002 00000000 c0430b45 f78a2f90 f79e586c f7867e38 f79e5868 [ 61.636537] f78a2fac c0430b80 00000000 00000002 c0430b45 f881ccbd f8821588 c08ee870 [ 61.636537] f881d870 00000002 f7867e38 c043140a f7867e60 f78a2fd0 c04314be 00000000 [ 61.636537] Call Trace: [ 61.636537] [<c0430b45>] run_workqueue+0x80/0x186 [ 61.636537] [<c0430b80>] run_workqueue+0xbb/0x186 [ 61.636537] [<c0430b45>] run_workqueue+0x80/0x186 [ 61.636537] [<f881ccbd>] mptspi_dv_renegotiate_work+0x0/0xab [mptspi] [ 61.636537] [<c043140a>] worker_thread+0x0/0xbf [ 61.636537] [<c04314be>] worker_thread+0xb4/0xbf [ 61.636537] [<c043393d>] autoremove_wake_function+0x0/0x33 [ 61.636537] [<c043387b>] kthread+0x3b/0x64 [ 61.636537] [<c0433840>] kthread+0x0/0x64 [ 61.636537] [<c040468f>] kernel_thread_helper+0x7/0x10 [ 61.636537] ======================= [ 61.636537] Code: ff 8b 87 8c 00 00 00 e8 b0 6c 03 00 8b 87 8c 00 00 00 e8 6e f8 ff ff 8d 65 f4 5b 5e 5f 5d c3 55 89 e5 57 56 53 83 ec 14 8b 78 20 <8b> 17 89 55 e0 e8 87 2a c5 c7 8b 55 e0 66 83 bf b2 02 00 00 00 [ 61.636537] EIP: [<f881ccc9>] mptspi_dv_renegotiate_work+0xc/0xab [mptspi] SS:ESP 0068:f78a2f58 [ 61.636550] ---[ end trace c0dc9c06e06bc602 ]--- [ 47.107291] mptbase: ioc0: Initiating recovery [ 47.108284] mptbase: ioc0: WARNING - IOC is in FAULT state!!! [ 47.109284] mptbase: ioc0: WARNING - FAULT code = 8112h [ 52.122242] mptbase: ioc0: ERROR - Doorbell ACK timeout (count=4999), IntStatus=80000009! [ 69.374395] mptbase: ioc0: Recovered from IOC FAULT [ 69.448422] Clocksource tsc unstable (delta = 18746181568 ns) [ 91.888899] BUG: unable to handle kernel NULL pointer dereference at 00000528 [ 91.890902] IP: [<f881ccc9>] :mptspi:mptspi_dv_renegotiate_work+0xc/0xab [ 91.892902] *pde = 00000000 [ 91.894904] Oops: 0000 [#2] SMP [ 91.895898] last sysfs file: /sys/block/ram15/dev [ 91.895898] Modules linked in: mptspi(+) mptscsih mptbase scsi_transport_spi sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd uhci_hcd [ 91.895898] [ 91.895898] Pid: 15, comm: events/0 Tainted: G D (2.6.25-rc6-next-20080325-autotest #1) [ 91.895898] EIP: 0060:[<f881ccc9>] EFLAGS: 00010282 CPU: 0 [ 91.895898] EIP is at mptspi_dv_renegotiate_work+0xc/0xab [mptspi] [ 91.895898] EAX: f7a427b8 EBX: f7a427bc ECX: 00000000 EDX: 00000000 [ 91.895898] ESI: f7867f68 EDI: 00000528 EBP: f7877f78 ESP: f7877f58 [ 91.895898] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 91.895898] Process events/0 (pid: 15, ti=f7877000 task=f789e8a0 task.ti=f7877000) [ 91.895898] Stack: 00000000 00000002 00000000 c0430b45 f7877f90 f7a427bc f7867f68 f7a427b8 [ 91.895898] f7877fac c0430b80 00000000 00000002 c0430b45 f881ccbd 5a5a5a5a 5a5a5a5a [ 91.895898] 5a5a5a5a 5a5a5a5a f7867f68 c043140a f7867f90 f7877fd0 c04314be 00000000 [ 91.895898] Call Trace: [ 91.895898] [<c0430b45>] run_workqueue+0x80/0x186 [ 91.895898] [<c0430b80>] run_workqueue+0xbb/0x186 [ 91.895898] [<c0430b45>] run_workqueue+0x80/0x186 [ 91.895898] [<f881ccbd>] mptspi_dv_renegotiate_work+0x0/0xab [mptspi] [ 91.895898] [<c043140a>] worker_thread+0x0/0xbf [ 91.895898] [<c04314be>] worker_thread+0xb4/0xbf [ 91.895898] [<c043393d>] autoremove_wake_function+0x0/0x33 [ 91.895898] [<c043387b>] kthread+0x3b/0x64 [ 91.895898] [<c0433840>] kthread+0x0/0x64 [ 91.895898] [<c040468f>] kernel_thread_helper+0x7/0x10 [ 91.895898] ======================= [ 91.895898] Code: ff 8b 87 8c 00 00 00 e8 b0 6c 03 00 8b 87 8c 00 00 00 e8 6e f8 ff ff 8d 65 f4 5b 5e 5f 5d c3 55 89 e5 57 56 53 83 ec 14 8b 78 20 <8b> 17 89 55 e0 e8 87 2a c5 c7 8b 55 e0 66 83 bf b2 02 00 00 00 [ 91.895898] EIP: [<f881ccc9>] mptspi_dv_renegotiate_work+0xc/0xab [mptspi] SS:ESP 0068:f7877f58 [ 91.895903] ---[ end trace c0dc9c06e06bc602 ]--- [ 82.434031] mptbase: ioc0: Initiating recovery [ 82.435028] mptbase: ioc0: WARNING - IOC is in FAULT state!!! [ 82.436028] mptbase: ioc0: WARNING - FAULT code = 8112h [ 87.440153] mptbase: ioc0: ERROR - Doorbell ACK timeout (count=4999), IntStatus=80000009! [ 104.682001] mptbase: ioc0: Recovered from IOC FAULT [ 127.157135] BUG: unable to handle kernel NULL pointer dereference at 00000528 [ 127.159138] IP: [<f881ccc9>] :mptspi:mptspi_dv_renegotiate_work+0xc/0xab [ 127.161139] *pde = 00000000 [ 127.163139] Oops: 0000 [#3] SMP [ 127.164134] last sysfs file: /sys/block/ram15/dev [ 127.164134] Modules linked in: mptspi(+) mptscsih mptbase scsi_transport_spi sd_mod scsi_mod ext3 jbd ehci_hcd ohci_hcd uhci_hcd [ 127.164134] [ 127.164134] Pid: 16, comm: events/1 Tainted: G D (2.6.25-rc6-next-20080325-autotest #1) [ 127.164134] EIP: 0060:[<f881ccc9>] EFLAGS: 00010282 CPU: 1 [ 127.164134] EIP is at mptspi_dv_renegotiate_work+0xc/0xab [mptspi] [ 127.164134] EAX: f7a42fa0 EBX: f7a42fa4 ECX: 00000000 EDX: 00000000 [ 127.164134] ESI: f7867ed0 EDI: 00000528 EBP: f78a1f78 ESP: f78a1f58 [ 127.164134] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 127.164134] Process events/1 (pid: 16, ti=f78a1000 task=f78c0920 task.ti=f78a1000) [ 127.164134] Stack: 00000000 00000002 00000000 c0430b45 f78a1f90 f7a42fa4 f7867ed0 f7a42fa0 [ 127.164134] f78a1fac c0430b80 00000000 00000002 c0430b45 f881ccbd 5a5a5a5a 5a5a5a5a [ 127.164134] 5a5a5a5a 5a5a5a5a f7867ed0 c043140a f7867ef8 f78a1fd0 c04314be 00000000 [ 127.164134] Call Trace: [ 127.164134] [<c0430b45>] run_workqueue+0x80/0x186 [ 127.164134] [<c0430b80>] run_workqueue+0xbb/0x186 [ 127.164134] [<c0430b45>] run_workqueue+0x80/0x186 [ 127.164134] [<f881ccbd>] mptspi_dv_renegotiate_work+0x0/0xab [mptspi] [ 127.164134] [<c043140a>] worker_thread+0x0/0xbf [ 127.164134] [<c04314be>] worker_thread+0xb4/0xbf [ 127.164134] [<c043393d>] autoremove_wake_function+0x0/0x33 [ 127.164134] [<c043387b>] kthread+0x3b/0x64 [ 127.164134] [<c0433840>] kthread+0x0/0x64 [ 127.164134] [<c040468f>] kernel_thread_helper+0x7/0x10 [ 127.164134] ======================= [ 127.164134] Code: ff 8b 87 8c 00 00 00 e8 b0 6c 03 00 8b 87 8c 00 00 00 e8 6e f8 ff ff 8d 65 f4 5b 5e 5f 5d c3 55 89 e5 57 56 53 83 ec 14 8b 78 20 <8b> 17 89 55 e0 e8 87 2a c5 c7 8b 55 e0 66 83 bf b2 02 00 00 00 [ 127.164134] EIP: [<f881ccc9>] mptspi_dv_renegotiate_work+0xc/0xab [mptspi] SS:ESP 0068:f78a1f58 [ 127.164147] ---[ end trace c0dc9c06e06bc602 ]--- -- Thanks & Regards, Kamalesh Babulal, Linux Technology Center, IBM, ISTL. -- 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