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全部。 我是一個內核新手。我想知道如何從痛苦中獲得有用的信息,例如哪一行或哪個功能是錯誤的。
例如,以下是關於usb hiddev
的panic-output
,如何閱讀?謝謝。如何從恐慌中查找錯誤
BUG: unable to handle kernel NULL pointer dereference at 0000000000000028
IP: [<ffffffff813b4aa1>] free_async+0xa1/0x100
PGD 2326c9067 PUD 230f4c067 PMD 0
Oops: 0000 [#1] SMP
last sysfs file: /sys/devices/pci0000:00/0000:00:1d.2/usb8/8-2/speed
CPU 3
Modules linked in: ebtable_nat ebtables ipt_MASQUERADE iptable_nat nf_nat xt_CHECKSUM iptable_mangle bridge stp l]
Pid: 2400, comm: lsusb Tainted: G I--------------- 2.6.32-296.el664fixes.3.x86_64 #1 Dell Inc. OptiPlN
RIP: 0010:[<ffffffff813b4aa1>] do_IRQ: 0.97 No irq handler for vector (irq -1)
[Firmware Bug]: the BIOS has corrupted hw-PMU resources (MSR 186 is 53003c)
�Mounting proc filesystem
Mounting sysfs filesystem
Creating /dev
Creating initial device nodes
setfont: KDFONTOP: Invalid argument
Free memory/Total memory (free %): 78672/114884 (68.4795)
Loading dm-mod.ko module
Loading dm-log.ko module
Loading dm-region-hash.ko module
Loading dm-mirror.ko module
Loading dm-zero.ko module
Loading dm-snapshot.ko module
Loading freq_table.ko module
Loading mperf.ko module
Loading ipt_REJECT.ko module
Loading nf_defrag_ipv4.ko module
Loading ip_tables.ko module
Loading nf_conntrack.ko module
Loading ip6_tables.ko module
Loading ipv6.ko module
Loading fat.ko module
Loading macvlan.ko module
Loading tun.ko module
Loading kvm.ko module
Loading uinput.ko module
Loading parport.ko module
Loading dcdbas.ko module
Loading microcode.ko module