Date: Sun, 7 Jul 2002 20:56:09 -0400 (EDT) From: Charles Sprickman <freebsd@fasttrackmonkey.com> To: freebsd-stable@freebsd.org Subject: kern/40003: Panic on boot w/4.6 and 4.6-stable (ATA problems) Message-ID: <Pine.OSX.4.44.0207072026540.5224-100000@white.nat.fasttrackmonkey.com>
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Hello,
I filed a PR on this, but I've been having trouble scrounging up parts to
build a null-modem cable so I can do a remote GDB trace on it. Since it
appears there'll be a 4.6.1, and whatever's broken in ata is still kind of
broken, here's what I can get from DDB (panic is before root is mounted):
ad0: READ command timeout tag-0 serv-0 - restting
ata0: restting devices .. ata0-slave: ATA identify retries exceeded
done
ad0: 1916MB <Maxtor 72004 AP> [3893/16/63] at ata0-master BIOSDMA
Fatal trap 12: page fualt while in kernel mode
fault virtual address = 0x6
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc013e865
stack pointer = 0x10:0xc0363fbc
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 0 (swapper)
interrupt mask = bio
trap number = 12
panic: page fault
syncing disks...
done
Uptime: 15s
Automatic reboot in 15 seconds - press akey on the console to abort
Debugger("manual escape to debugger")
Stopped at Debugger+0x34: movb $0,in_Debugger.429
db> tr
Debugger(c029aa49) at Debugger+0x34
scgetc(c02e0fc0,3,c02d9b60,1,84) at scgetc+0x37e
sccngetch(2,c0363e80,c01825e1,c02c9380,c036e90) at sccngetch+0xf3
sccncheckc(c02c9380,c0363e90,c0169790,1186a0,c044ae60) at sccncheckc+0xa
cncheckc(186a0) at cncchecckc+0x29
shutdown_panic(0,100) at shutdown_panic+0x34
boot(100,10,c0363f64,c0363ef8,c026239f) at boot+0x314
panic(c029ff8c,c029fa6f,c02e1a00,c02c8de0,0) at panic+0x79
trap_fatal(c0363f,6,c02e1a00,c,0) at trap_fatal+0x32b
trap_pfault(c0363f64,0,6,68c040,0) at trap_pfault+0x101
trap(10,c0440010,10,c075b850,0) at trap+0x34f
calltrap() at calltrap+0x11
--- trap 0xc, eip = 0xc013e865, esp = 0xc0363fa4, ebp = 0xc0363fbc ---
ad_attach(c075b850) at ad_attach+0x5d
ata_boot_attach(0) at ata_boot_attach+0x12a
run_interrupt_driven_config_hooks(0,360c00,368000,0,c0120fc0) at
run_interrupt_driven_config_hooks+ox1a
mi_startup(0,0,0,0,0) at mi_startup+0x68
begin() at begin+0x47
db>
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