I was doing some testing on my machine to track down another issue and this one came up. Restarting system. . BUG: soft lockup detected on CPU#0! Pid: 143, comm: pdflush EIP: 0060:[<c033208b>] CPU: 0 EIP is at _spin_lock+0x6/0x13 EFLAGS: 00000246 Not tainted (2.6.16.1 #6) EAX: c16124c0 EBX: 00000001 ECX: 00000000 EDX: c151e000 ESI: c16124c0 EDI: 00000000 EBP: c151ebb8 DS: 007b ES: 007b CR0: 8005003b CR2: b7edc6c0 CR3: 01646000 CR4: 000006d0 BUG: soft lockup detected on CPU#0! Pid: 143, comm: pdflush EIP: 0060:[<c01b5a14>] CPU: 0 EIP is at __try_to_free_cp_buf+0x64/0x69 EFLAGS: 00000207 Not tainted (2.6.16.1 #6) EAX: 0014402d EBX: dd96aa2c ECX: 00000000 EDX: d3d7a580 ESI: c151ebec EDI: c151ebf0 EBP: c151eba8 DS: 007b ES: 007b CR0: 8005003b CR2: b7edc6c0 CR3: 01646000 CR4: 000006d0 BUG: soft lockup detected on CPU#0! Pid: 143, comm: pdflush EIP: 0060:[<c01b5a14>] CPU: 0 EIP is at __try_to_free_cp_buf+0x64/0x69 EFLAGS: 00000207 Not tainted (2.6.16.1 #6) EAX: 0014402d EBX: de28efa8 ECX: 00000000 EDX: cb3fb2dc ESI: c151ebec EDI: c151ebf0 EBP: c151eba8 DS: 007b ES: 007b CR0: 8005003b CR2: b7edc6c0 CR3: 01646000 CR4: 000006d0 BUG: soft lockup detected on CPU#0! Pid: 143, comm: pdflush EIP: 0060:[<c01b5e0b>] CPU: 0 EIP is at log_do_checkpoint+0x80/0x19e EFLAGS: 00000282 Not tainted (2.6.16.1 #6) EAX: c16d86ec EBX: cd312684 ECX: c151ebf0 EDX: ddcfb448 ESI: c1612400 EDI: 00000001 EBP: c151ed00 DS: 007b ES: 007b CR0: 8005003b CR2: b7edc6c0 CR3: 01646000 CR4: 000006d0 BUG: soft lockup detected on CPU#0! Pid: 143, comm: pdflush EIP: 0060:[<c033208b>] CPU: 0 EIP is at _spin_lock+0x6/0x13 EFLAGS: 00000246 Not tainted (2.6.16.1 #6) EAX: c16124c0 EBX: 00000001 ECX: 00000000 EDX: c151e000 ESI: c16124c0 EDI: 00000000 EBP: c151ebb8 DS: 007b ES: 007b CR0: 8005003b CR2: b7edc6c0 CR3: 01646000 CR4: 000006d0 This can be reproduced by the following: dd if=/dev/zero of=/tmp/junk bs=1M & and about 3 to 5 seconds later sudo reboot The machine will reboot and I keep doing the same thing. Usually around the 3rd or 4th time, I will have this soft lockup. My root device is /dev/md_d0 and /tmp is /dev/md_d0p9. THe machine in question is a Dell 745n and the disks are sata. The controller is an Intel GD31244 I have also attached my .config
Attachment:
.config
Description: Binary data
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