Today's Next tree failed to boot on a x86 box with following Bug.
Checking/updating CPU microcode 7[?25l[80C[10D[1;32mdone[m8[?25h
tg3 0000:02:08.0: firmware: requesting tigon/tg3_tso.bin
BUG: unable to handle kernel NULL pointer dereference at 0000050c
IP: [<c0119c5d>] kunmap+0x33/0x59
*pdpt = 00000000354f2001 *pde = 0000000000000000
Oops: 0000 [#1] SMP
last sysfs file: /sys/devices/pci0000:02/0000:02:08.0/firmware/0000:02:08.0/loading
Modules linked in: microcode fuse loop dm_mod i2c_piix4 i2c_core ppdev sr_mod
parport_pc rtc_cmos sworks_agp tg3 button cdrom parport rtc_core rtc_lib
pcspkr libphy agpgart sg floppy ohci_hcd ehci_hcd sd_mod crc_t10dif usbcore
edd ext3 jbd fan ide_pci_generic serverworks ide_core ata_generic
pata_serverworks libata ips scsi_mod thermal processor thermal_sys hwmon [last unloaded: speedstep_lib]
Pid: 2399, comm: cat Not tainted (2.6.30-rc5-autotest-next-20090513 #1) eserver xSeries 235 -[86717AX]-
EIP: 0060:[<c0119c5d>] EFLAGS: 00010246 CPU: 0
EIP is at kunmap+0x33/0x59
EAX: 00000000 EBX: 00000b5c ECX: ff52c000 EDX: 00000001
ESI: f59d2b5c EDI: ff52cb5c EBP: f480def4 ESP: f480def4
DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
Process cat (pid: 2399, ti=f480c000 task=f618a000 task.ti=f480c000)
Stack:
f480df24 c02f417c f59d2000 f4d84f54 f51cf880 00000b5c f4d84f00 00000002
00000002 fffffffb f4c469c0 c02f3fb1 f480df6c c01e618a 00001000 00000000
00000b5c 0804cfb0 f50dd2a0 f54b6940 f59d2000 f5cb6bb0 00001000 00000000
Call Trace:
[<c02f417c>] ? firmware_data_write+0x1cb/0x211
[<c02f3fb1>] ? firmware_data_write+0x0/0x211
[<c01e618a>] ? write+0x113/0x14a
[<c01e6077>] ? write+0x0/0x14a
[<c01a5b72>] ? vfs_write+0x8c/0x136
[<c01a5cb5>] ? sys_write+0x3b/0x60
[<c0102950>] ? sysenter_do_call+0x12/0x22
Code: 00 e0 ff ff f7 40 14 00 ff ff 07 74 04 0f 0b eb fe 8b 01 89 c2
c1 e8 1b 83 e0 03 c1 ea 1d 69 c0 20 05 00 00 03 04 95 08 f7 55 c0 <2b>
80 0c 05 00 00 3d 40 0a 00 00 74 10 3d 60 0f 00 00 75 10 83
EIP: [<c0119c5d>] kunmap+0x33/0x59 SS:ESP 0068:f480def4
CR2: 000000000000050c
---[ end trace 6ae4ce0e4a71f239 ]---
Let me know if i can provide any other information.
Thanks
-Sachin
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Sachin Sant
IBM Linux Technology Center
India Systems and Technology Labs
Bangalore, India
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