Re: [q] scsi disks or what the problem?

If you powered off without warning, you might have trashed the filesystem.

Alas, FreeBSD is not always set up correctly to handle a commanded
powerdown correctly.


On Fri, 11 Feb 2005 14:12:15 +0200, Edward Melnik <edd_at_edd.kiev.ua> wrote:
> Hello!
> 
> My server paniced with:
> 
> panic: ufs_dirbad: bad dir
> cpuid = 0;
> boot() called on cpu#0
> 
> syncing disks, buffers remaining... panic: breemfree: removing a buffer not
> on a queue
> cpuid = 0l
> boot() called on cpu#0
> Uptime: 46s
> amr0: flushing cache... kernel trap 12 with interrupts disabled
> 
> Fatal trap 12: page fault while in kernel mode
> cpuid = 1; apic id = 01
> fault virtual address   = 0x24
> fault code              = supervisor read, page not present
> instruction pointer     = 0x8:0xc05bbf8e
> stack pointer           = 0x10:0xe081cc64
> frame pointer           = 0x10:0xe081cc88
> code segment            = base 0x0, limit 0xfffff, type 0x1b
>                        = DPL 0, pres 1, def32 1, gran 1
> processor eflags        = resume, IOPL = 0
> current process         = 59 (irq48: amr0)
> trap number             = 12
> spin lock shed lock held by 0xc521ea00 for > 5 seconds
> panic: spin lock held too long
> cpuid = 0;
> 
> This caused after power on/off for maintenance work with server. And trying
> after power on rebuiling the system via make buildworld, make ... . System
> paniced after 3-7min on this procedure. Before this problem server working a
> 1,5 year without any problem.
> 
> Now, paniced on startup.
> 
> System: 5.2.1-p11, 1xXeon 2.4, amr0 - RAID 1 on two 36GB SCSI disks (IBM).
> On startup - RAID1 (optimal). Controller - LSI Megalogic 320-1.
> 
> Need more info ? Please write me, but server is down :(
> 
> Anybody help me? This is a problem with hdd, mb, ram or system?
> 
> --
> Edward Melnik
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