Date: Sat, 23 Mar 2002 01:22:26 -0000 From: "Andrew Tulloch" <andrewt@great4.co.uk> To: <stable@freebsd.org> Subject: Re: More on ata Trap 12 with tagged queuing enabled Message-ID: <00bf01c1d209$31921380$4c0116ac@antaeus> References: <3C9B9E65.CA168CF1@yahoo.com>
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I'm seeing exactly the same panic, I already reported it to Soren as I was
dealing with him for a patch for the latest serverworks IDE chipset found in
Dell Poweredge 500SC's, which got me off PIO4 to ATA100 (Thanks Soren!)
This is obviously with the aformentioned serverworks chipset and although
I've not had the machine apart the dmesg indicates the drive is an IBM 60GXP
model (20gig)
my panic as below:
ad0: timeout waiting for READY
ad0: invalidating queued requests
- resetting
done
ad0: no read request for tag=0
ad0 invalidating queued requests
ad0: READ command timeout tag=0 serv=0 - resetting
ad0: invalidating queued requests
ata0 resetting devices ..
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x70
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc01830a8
stack pointer = 0x10:0xc02f3e1c
frame pointer = 0x10:0xc02f3e40
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 = Idle
interrupt mask = net tty bio cam
kernel: type 12 trap, code=0
Stopped at tsleep+0x78: cmpl $0,0x70(%ebx)
db>trace
tsleep(c0bb7e00,10,c02bf1e6,3e8) at tsleep+0x78
ata_command(c0bb7e2c,ec,0,0,0,0,2) at ata_command+0x4bd
ata_getparam(c0bb7e2c,ec,c0bee000,c0bbd380,400000) ata ata_getparam+0x23
ata_reinit(c0bb7e00,c0bbd380,co151608,c02f3ef0,c0186001) at ata_reinit+0x1fe
ad_timeout(c0bbd380,400000,0,0,ffffffff) at ad_timeout+0x131
softclock(,0,10,10,c02a0010,ffffffff) at softclock+0xd1
doreti_swi() at doreti_swi+0xf
Andrew Tulloch
Lead Web Developer
Great4 Ltd
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200 Grays Inn Road
London
WC1X 8XZ
Tel: 0207 316 3126
Email : andrewt@great4.co.uk
http://www.itv-f1.com
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----- Original Message -----
From: "John Merryweather Cooper" <john_m_cooper@yahoo.com>
To: <freebsd-stable@freebsd.org>
Sent: Friday, March 22, 2002 9:13 PM
Subject: More on ata Trap 12 with tagged queuing enabled
> As requested, I've recompiled my kernel (after cvsupping) with
>
> options DDB
>
> With tagged queuing enabled in /boot/loader.conf, I get the following
> trap and trace:
>
> Fatal trap 12: page fault while in kernel mode
> fault virtual address = 0x70
> fault code = supervisor read, page not present
> instruction pointer = 0x8:0xc017705c
> stack pointer = 0x10:0xc02ec6fc
> frame pointer = 0x10:0xc02ec720
> 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 = idle
> iterrupt mask = net tty bio cam
> kernel: type 12 trap, code=0
> Stopped at tsleep+0x74: cmpl $0,0x70(%ebx)
> db> trace
> tsleep(c1dc8100,10,c02b6ce6,2710) at tsleep+0x74
> ata_command(c1d812c,ec,0,0,0,0,2) at ata_command+0x4ed
> ata_getparam(c1dc812c,ec,c1ee9c00,c1dec340,400000) at ata_getparam+0x23
> ata_reinit(c1dc8100,c1dec340,c01482d4,c02ec7d0,c0179ec5) at
> ata_reinit+0x1ea
> ad_timeout(c1dec340,400000,0,0,ffffffff) at ad_timeout+0x122
> softclock(0,10,10,10,ffffffff) at softclock+0xd1
> doreti_swi() at doreti_swi+oxf
> db>
>
> I hope this helps.
>
> jmc
>
>
>
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