Jarkko Teppo said:

> Hi! Interesting problems here with an Abit Hotrod and a 60GB Maxtor:
>

After rebooting and starting fsck manually; First console input (serial)
dies and some ten seconds after that:

pciide0:0:0: lost interrupt
        type: ata tc_bcount: 57344 tc_skip: 0
wd0a: DMA error reading fsbn 17166240 of 17166240-17166351 (wd0 bn
17166240; cng
wd0: soft error (corrected)
pciide0:0:0: lost interrupt
        type: ata tc_bcount: 57344 tc_skip: 0
pciide0:0:0: bus-master DMA error: missing interrupt, status=0x21
      Processor Machine Check (670), Code 0x217
        PAL temp[0-1]           = 0xffffffff80071011 0xfffffc85802276e0
        PAL temp[2-3]           = 0xfffffc000030047c 0x            5200
        PAL temp[4-5]           = 0xfffffe00000ef980 0x             400
        PAL temp[6-7]           = 0x               0 0xfffffc0000300384
        PAL temp[10-11]         = 0xfffffc00003003b4 0xfffffc00003003b4
        PAL temp[12-13]         = 0xfffffc0000300354 0x              88
        PAL temp[14-15]         = 0x              7c 0x             180
        PAL temp[16-17]         = 0x     21706600001 0x               0
        PAL temp[18-19]         = 0x       1ffffed50 0xfffffe001197f9b0
        PAL temp[20-21]         = 0x         e3aa000 0xfffffc00003003e0
        PAL temp[22-23]         = 0xfffffc000096b5b8 0x         e3a4000
        shadow[0-1]                     = 0x               0 0x           
   0
        shadow[2-3]                     = 0x               0 0x           
   0
        shadow[4-5]                     = 0x               0 0x           
   0
        shadow[6-7]                     = 0x               0 0x           
   0

        Excepting Instruction Addr     = 0xfffffc00003003b4
        Summary of arithmetic traps    = 0x0000000000000000
        Exception mask                 = 0x0000000000000000
        Base address for PALcode       = 0x0000000000018000
        Interrupt Status Reg           = 0x0000000080200000
        Current setup of EV5 IBOX      = 0x0000004164000000
        I-CACHE Reg Tag parity error   = 0x0000000000000000
        D-CACHE error Reg              = 0x0000000000000000
        Effective VA                   = 0xfffffe00000eda30
        Reason for D-stream            = 0x0000000000014c10
        EV5 SCache address             = 0xffffff000001cd6f
        EV5 SCache TAG/Data parity     = 0x0000000000000000
        EV5 BC_TAG_ADDR                = 0xffffff800f0f0fff
        EV5 EI_ADDR Phys addr of Xfer  = 0xfffffffffb48f41f
        Fill Syndrome                  = 0x000000000000d7ff
        ei_stat reg                    = 0xfffffff004ffffff
        ld_lock                        = 0xffffff00009eb99f

unexpected machine check:

    mces    = 0x1
    vector  = 0x660
    param   = 0xfffffc0000006060
    pc      = 0xfffffc00003003b4
    ra      = 0xfffffc000047aca0
    code    = 0x217
    curlwp = 0x0
panic: machine check
Stopped at      cpu_Debugger+0x4:       ret     zero,(ra)
db>  bt
cpu_Debugger() at cpu_Debugger+0x4
panic() at panic+0x180
machine_check() at machine_check+0x25c
dec_kn20aa_mcheck() at dec_kn20aa_mcheck+0x90
dec_kn20aa_mcheck_handler() at dec_kn20aa_mcheck_handler+0x54
interrupt() at interrupt+0x1ac
XentInt() at XentInt+0x1c
--- interrupt (from ipl 5) ---
XentInt() at XentInt
--- interrupt (from ipl 0) ---
--- user mode ---
db>

Oops. Damn.

-- 
jht