linux – 如何区分内核中的软锁定和用户空间中的softlockup？

我有以下锁定.这是否表明slic_test pid 5207是罪犯,或者它是否只显示,因为内核中的当前宏仍然指向使系统调用我的驱动程序的用户空间进程？此外 – irq事件标记0 … irq事件标记到底代表什么？自开机以来它不能是中断数…在88798秒后肯定超过0 …

系统是单处理器,禁用CONFIG_SMP.

[88798.449628] BUG: soft lockup - CPU#0 stuck for 61s! [slic_test:5207]
[88798.449628] Modules linked in: slic_xxxx leds_xxxx vortex86_spi dm_mirror dm_log dm_multipath dm_mod ohci_hcd ehci_hcd r6040 vortex86_wdt vortex86_gpio [last un]
[88798.449628] irq event stamp: 0
[88798.449628] hardirqs last  enabled at (0): [<00000000>] 0x0
[88798.449628] hardirqs last disabled at (0): [<c0115563>] copy_process+0x233/0x1090
[88798.449628] softirqs last  enabled at (0): [<c0115563>] copy_process+0x233/0x1090
[88798.449628] softirqs last disabled at (0): [<00000000>] 0x0
[88798.449628]
[88798.449628] Pid: 5207,comm: slic_test Not tainted (2.6.27.62 #11)
[88798.449628] EIP: 0060:[<c011b6b5>] EFLAGS: 00000246 CPU: 0
[88798.449628] EIP is at __do_softirq+0x45/0xb0
[88798.449628] EAX: 00000000 EBX: 00000082 ECX: 00000001 EDX: dfac5080
[88798.449628] ESI: c0696120 EDI: 0000000a EBP: df3bdf8c ESP: df3bdf80
[88798.449628]  DS: 007b ES: 007b FS: 0000 GS: 0033 SS: 0068
[88798.449628] CR0: 8005003b CR2: b7622780 CR3: 1f3c8000 CR4: 00000000
[88798.449628] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[88798.449628] DR6: ffff0ff0 DR7: 00000400
[88798.449628]  [<c011b766>] do_softirq+0x46/0x50
[88798.449628]  [<c011bad5>] irq_exit+0x45/0x50
[88798.449628]  [<c01057ba>] do_IRQ+0x4a/0x90
[88798.449628]  [<c0103e68>] common_interrupt+0x28/0x30
[88798.449628]  =======================

[88798.449628]  [<c011b766>] do_softirq+0x46/0x50
[88798.449628]  [<c011bad5>] irq_exit+0x45/0x50
[88798.449628]  [<c01057ba>] do_IRQ+0x4a/0x90
[88798.449628]  [<c0103e68>] common_interrupt+0x28/0x30