Date: Wed, 18 Sep 2002 04:49:10 +0200 From: marius@alchemy.franken.de To: "Kenneth D. Merry" <ken@kdm.org> Cc: freebsd-current@FreeBSD.ORG, freebsd-scsi@FreeBSD.ORG Subject: Re: page fault while in kernel mode, cam related ? Message-ID: <20020918044910.D96711@newtrinity.default-network.net> In-Reply-To: <20020918034548.T70075@newtrinity.default-network.net>; from marius@alchemy.franken.de on Wed, Sep 18, 2002 at 03:45:48AM %2B0200 References: <20020918025349.C96711@newtrinity.default-network.net> <20020917190321.A99415@panzer.kdm.org> <20020918034548.T70075@newtrinity.default-network.net>
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uhm, i just got another one. i guess the hd is broken and also managed to
cause the previous panic.
(da0:ahc0:0:0:0): SCB 0x27 - timed out
ahc_pci0: Dumping Card State while idle, at SEQADDR 0x8
ACCUM = 0x47, SINDEX = 0x9e, DINDEX = 0x8c, ARG_2 = 0x0
HCNT = 0x0 SCBPTR = 0xb
SCSISEQ = 0x12, SBLKCTL = 0x2
DFCNTRL = 0x0, DFSTATUS = 0x29
LASTPHASE = 0x1, SCSISIGI = 0x0, SXFRCTL0 = 0x80
SSTAT0 = 0x5, SSTAT1 = 0xa
STACK == 0x3, 0x105, 0x160, 0x0
SCB count = 200
Kernel NEXTQSCB = 129
Card NEXTQSCB = 129
QINFIFO entries:
Waiting Queue entries:
Disconnected Queue entries:
QOUTFIFO entries:
Sequencer Free SCB List: 11 2 0 6 15 3 9 1 14 10 8 12 5 4 7 13
Sequencer SCB Info: 0(c 0x68, s 0x7, l 0, t 0xff) 1(c 0x68, s 0x7, l 0, t 0xff)
Pending list: 140(c 0x68, s 0x7, l 0), 158(c 0x6c, s 0x7, l 0), 152(c 0x6c, s 0)Kernel Free SCB list: 165 61 101 184 98 88 178 123 176 26 83 62 197 170 8 112 4
sg[0] - Addr 0x52fe000 : Length 4096
sg[1] - Addr 0x71bf000 : Length 4096
sg[2] - Addr 0x6020000 : Length 4096
sg[3] - Addr 0xb441000 : Length 4096
sg[4] - Addr 0x30e2000 : Length 4096
sg[5] - Addr 0xa703000 : Length 4096
sg[6] - Addr 0x91a4000 : Length 4096
sg[7] - Addr 0x1f05000 : Length 4096
sg[8] - Addr 0x3f46000 : Length 4096
sg[9] - Addr 0x5787000 : Length 4096
sg[10] - Addr 0x80a8000 : Length 4096
sg[11] - Addr 0x1389000 : Length 4096
sg[12] - Addr 0xa9ca000 : Length 4096
sg[13] - Addr 0x6d8b000 : Length 4096
sg[14] - Addr 0x680c000 : Length 4096
sg[15] - Addr 0xa1cd000 : Length 4096
(da0:ahc0:0:0:0): Queuing a BDR SCB
(da0:ahc0:0:0:0): Bus Device Reset Message Sent
(da0:ahc0:0:0:0): no longer in timeout, status = 34b
ahc_pci0: Bus Device Reset on A:0. 102 SCBs aborted
(da0:ahc0:0:0:0): SCB 0x81 - timed out
ahc_pci0: Dumping Card State while idle, at SEQADDR 0x7
ACCUM = 0xa0, SINDEX = 0x9f, DINDEX = 0x8c, ARG_2 = 0x0
HCNT = 0x0 SCBPTR = 0x7
SCSISEQ = 0x12, SBLKCTL = 0x2
DFCNTRL = 0x0, DFSTATUS = 0x29
LASTPHASE = 0x1, SCSISIGI = 0x0, SXFRCTL0 = 0x80
SSTAT0 = 0x5, SSTAT1 = 0xa
STACK == 0x3, 0x105, 0x160, 0xe4
SCB count = 41
Kernel NEXTQSCB = 165
Card NEXTQSCB = 165
QINFIFO entries:
Waiting Queue entries:
Disconnected Queue entries:
QOUTFIFO entries:
Sequencer Free SCB List: 7 14 12 8 5 10 9 1 4 3 15 6 0 2 11 13
Sequencer SCB Info: 0(c 0x68, s 0x7, l 0, t 0xff) 1(c 0x68, s 0x7, l 0, t 0xff)
Pending list: 159(c 0x6c, s 0x7, l 0), 40(c 0x6c, s 0x7, l 0), 43(c 0x6c, s 0x7)
Kernel Free SCB list:
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x34737269
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc014b7d2
stack pointer = 0x10:0xcad87c80
frame pointer = 0x10:0xcad87c94
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 13 (swi6: tty:sio clock)
kernel: type 12 trap, code=0
Stopped at ahc_dump_card_state+0x692: movl 0(%ebx),%eax
db> tr
ahc_dump_card_state(c1f1e000,c031d167,81) at ahc_dump_card_state+0x692
ahc_timeout(c10de098) at ahc_timeout+0xbb
softclock(0) at softclock+0x152
ithread_loop(c0d5b800,cad87d48,c0d6acc0,c01c65c0,0) at ithread_loop+0x11c
fork_exit(c01c65c0,c0d5b800,cad87d48) at fork_exit+0x92
fork_trampoline() at fork_trampoline+0x1a
db> Context switches not allowed in the debugger.
db>
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