Sorry, I was wrong. It appears that I can write cdroms with dma
off.
On Mon, Jan 07, 2002 at 08:15:59AM -0500, linguist-linux _at_ rich-paul.net wrote:
> This file is availiable at: http://www.rich-paul.net/oops,
> ksymoops output at end, /--ksymoops--/
>
> I have a repeatable oops when using cdrecord with my TEAC ide
> cd-writer and ide-scsi. It happens at the beginning of writing a
> cdrom, and causes a hard freeze of the system, from which nothing
> except the kiss of a prince or a touch of the reset button will wake
> it. Being no prince, I choose the later.
>
> I'm a coder, and willing to help as much as I can in tracking this
> down, but my job limits my time. I know nothing of the kernel, except
> that it is subtle and quick to anger.
>
> The oops seems very similar to one that was reported on the list
> against 2.5.something, but I have not yet tried against that kernel,
> with or without the prescribed patches. I will, but I suspect we
> should fix the stable tree as well. The code has changed alot between
> the two versions, and I could not backport the patches. Somebody who
> knew their way around the kernel probably could.
>
> The simplest way to repeat the problem seems to be:
> using a kernel with a Serial console, boot with init=/bin/bash
> execute the following commands:
>
> |# Mount filesystems
> |mount /proc
> |mount /dev/fs
> |mount -oro /archive
> |mount -oro /usr
> |mount -oro /opt
> |mount -oro /boot
> |
> |# Set up shell
> |HOME=/root exec bash --login
> |
> |# Load modules
> |insmod ide-mod
> |insmod ide-probe-mod
> |modprobe ide-scsi
> |
> |# Prepare for oops report
> |rm -fr /oops
> |mkdir /oops
> |cp /proc/ksyms /oops
> |cp /proc/modules /oops
> |cp -ar /lib/modules/2.4.14/ /oops/kdir
> |cp /boot/2.4.14/System.map /oops
> |cp /boot/2.4.14/config /oops
> |
> |# avoid viewing e2fsch yet again
> |mount -oremount,ro /
> |
> |# do the dirty deed
> |cdrecord -dev2,0,0 /archive/masterlink.iso -v
>
> Here are files that may be relevant to tracking this down:
> 1. [1]Oops report, interpreted by ksymoops
> 2. [2]Shell script to execute commands above
> 3. [3]All console output produced, from boot to freeze
> 4. [4]Configuration of my kernel
> 5. [5]cat /proc/pci
> 6. [6]The part of the cap that was fed to ksymoops
> 7. [7]cat /proc/modules
> 8. [8]System.map
> 9. [9]My modules directory, in all it's glory
> 10. [10]My kernel as it was that fateful day
>
> Other observations:
> 1. The oops occurs in (at least) kernels 2.2.19 2.4.5 2.4.14 2.4.17
> 2. There was a config at one time under which I could burn cds
> without burning the system. This config is lost in the mists of
> time, and try as I might, I cannot find on that works now.
> 3. I have tried turning off dma with hdparm to no avail, but am not
> even sure if hdparm will have any effect on a device that is an
> IDE claiming to be a SCSI. Is there something I should try along
> these lines? Of course, it doesn't fix the oops, but it would get
> me burnin'.
> 4. I have tried removing all other IDE devices from my system,
> compiling with and without the various ide modules, etc, etc. No
> joy.
> 5. If I run cdrecord on a normally running system, rather than a
> clean boot, the oops usually shows itself as being from dnetc.
>
> References
>
> 1. http://www.rich-paul.net/oops/oops.interp
> 2. http://www.rich-paul.net/oops/oops.sh
> 3. http://www.rich-paul.net/oops/oops.cap
> 4. http://www.rich-paul.net/oops/config
> 5. http://www.rich-paul.net/oops/pci
> 6. http://www.rich-paul.net/oops/oops.trim
> 7. http://www.rich-paul.net/oops/modules
> 8. http://www.rich-paul.net/oops/System.map
> 9. http://www.rich-paul.net/oops/kdir
> 10. http://www.rich-paul.net/oops/vmlinuz
>
> --ksymoops--
>
> ksymoops 2.4.3 on i686 2.4.14. Options used
> -V (default)
> -k ksyms (specified)
> -l modules (specified)
> -o kdir/ (specified)
> -m System.map (specified)
>
> Unable to handle kernel NULL pointer dereference at virtual address 0000017c
> fa8222a1
> *pde = 00000000
> Oops: 0002
> CPU: 0
> EIP: 0010:[<fa8222a1>] Not tainted
> Using defaults from ksymoops -t elf32-i386 -a i386
> EFLAGS: 00010002
> eax: 00000000 ebx: f7e8e2c0 ecx: 00000000 edx: f7e8e2c0
> esi: fa81b760 edi: 00000080 ebp: f79f8000 esp: c027deb0
> ds: 0018 es: 0018 ss: 0018
> Process swapper (pid: 0, stackpage=c027d000)
> Stack: f7e8e2c0 fa81b760 00000080 fa81b720 00000080 00000000 f7e8e2c0 f7e6c340
> fa81b760 fa80f422 00000000 f7eead80 fa81b760 f7eead80 fa8224c0 00000080
> fa810060 fa81b760 fa817f42 00000080 f7eead80 fa80fec0 00000000 c02e4d40
> Call Trace: [<fa81b760>] [<fa81b720>] [<fa81b760>] [<fa80f422>] [<fa81b760>]
> [<fa8224c0>] [<fa810060>] [<fa81b760>] [<fa817f42>] [<fa80fec0>] [<c011faa5>]
> [<c011bebc>] [<c011bd8d>] [<c011bb0f>] [<c0108b1b>] [<c01053f0>] [<c01053f0>]
> [<c010ac88>] [<c01053f0>] [<c01053f0>] [<c010541c>] [<c0105492>] [<c0105000>]
> [<c0105043>]
> Code: c7 80 7c 01 00 00 00 00 07 00 83 7c 24 14 00 0f 84 97 01 00
>
> >>EIP; fa8222a0 <[ide-scsi]idescsi_end_request+70/290> <=====
> Trace; fa81b760 <[ide-mod]ide_hwifs+40/1ec8>
> Trace; fa81b720 <[ide-mod]ide_hwifs+0/1ec8>
> Trace; fa81b760 <[ide-mod]ide_hwifs+40/1ec8>
> Trace; fa80f422 <[ide-mod]ide_error+122/170>
> Trace; fa81b760 <[ide-mod]ide_hwifs+40/1ec8>
> Trace; fa8224c0 <[ide-scsi]idescsi_pc_intr+0/240>
> Trace; fa810060 <[ide-mod]ide_timer_expiry+1a0/200>
> Trace; fa81b760 <[ide-mod]ide_hwifs+40/1ec8>
> Trace; fa817f42 <[ide-mod]ide_hwif_to_major+5a0/257c>
> Trace; fa80fec0 <[ide-mod]ide_timer_expiry+0/200>
> Trace; c011faa4 <timer_bh+264/2c0>
> Trace; c011bebc <bh_action+4c/90>
> Trace; c011bd8c <tasklet_hi_action+5c/90>
> Trace; c011bb0e <do_softirq+6e/d0>
> Trace; c0108b1a <do_IRQ+da/f0>
> Trace; c01053f0 <default_idle+0/40>
> Trace; c01053f0 <default_idle+0/40>
> Trace; c010ac88 <call_do_IRQ+6/e>
> Trace; c01053f0 <default_idle+0/40>
> Trace; c01053f0 <default_idle+0/40>
> Trace; c010541c <default_idle+2c/40>
> Trace; c0105492 <cpu_idle+42/60>
> Trace; c0105000 <_stext+0/0>
> Trace; c0105042 <rest_init+42/50>
> Code; fa8222a0 <[ide-scsi]idescsi_end_request+70/290>
> 0000000000000000 <_EIP>:
> Code; fa8222a0 <[ide-scsi]idescsi_end_request+70/290> <=====
> 0: c7 80 7c 01 00 00 00 movl $0x70000,0x17c(%eax) <=====
> Code; fa8222a6 <[ide-scsi]idescsi_end_request+76/290>
> 7: 00 07 00
> Code; fa8222aa <[ide-scsi]idescsi_end_request+7a/290>
> a: 83 7c 24 14 00 cmpl $0x0,0x14(%esp,1)
> Code; fa8222ae <[ide-scsi]idescsi_end_request+7e/290>
> f: 0f 84 97 01 00 00 je 1ac <_EIP+0x1ac> fa82244c <[ide-scsi]idescsi_end_request+21c/290>
>
> <0>Kernel panic: Aiee, killing interrupt handler!
> cpu: 0, clocks: 2654982, slice: 884994
> cpu: 1, clocks: 2654982, slice: 884994
> 3c59x: Donald Becker and others. www.scyld.com/network/vortex.html
> ac97_codec: AC97 Audio codec, id: 0x8384:0x7609 (SigmaTel STAC9721/23)
> Unable to handle kernel NULL pointer dereference at virtual address 0000017c
> fa8222a1
> *pde = 00000000
> Oops: 0002
> CPU: 1
> EIP: 0010:[<fa8222a1>] Not tainted
> EFLAGS: 00010002
> eax: 00000000 ebx: f7ade540 ecx: 00000000 edx: f7ade540
> esi: fa81b760 edi: 00000080 ebp: f7a00000 esp: c2019e98
> ds: 0018 es: 0018 ss: 0018
> Process swapper (pid: 0, stackpage=c2019000)
> Stack: f7ade540 fa81b760 00000080 fa81b720 00000080 00000000 f7ade540 f7eb93c0
> fa81b760 fa80f422 00000000 f7e875c0 fa81b760 f7e875c0 fa8224c0 00000080
> fa810060 fa81b760 fa817f42 00000080 f7e875c0 fa80fec0 00000000 c02e4d40
> Call Trace: [<fa81b760>] [<fa81b720>] [<fa81b760>] [<fa80f422>] [<fa81b760>]
> [<fa8224c0>] [<fa810060>] [<fa81b760>] [<fa817f42>] [<fa80fec0>] [<c011faa5>]
> [<c011bebc>] [<c011bd8d>] [<c011bb0f>] [<c0108b1b>] [<c01053f0>] [<c01053f0>]
> [<c010ac88>] [<c01053f0>] [<c01053f0>] [<c010541c>] [<c0105492>] [<c0117b6f>]
> [<c0117a7e>]
> Code: c7 80 7c 01 00 00 00 00 07 00 83 7c 24 14 00 0f 84 97 01 00
>
> >>EIP; fa8222a0 <[ide-scsi]idescsi_end_request+70/290> <=====
> Trace; fa81b760 <[ide-mod]ide_hwifs+40/1ec8>
> Trace; fa81b720 <[ide-mod]ide_hwifs+0/1ec8>
> Trace; fa81b760 <[ide-mod]ide_hwifs+40/1ec8>
> Trace; fa80f422 <[ide-mod]ide_error+122/170>
> Trace; fa81b760 <[ide-mod]ide_hwifs+40/1ec8>
> Trace; fa8224c0 <[ide-scsi]idescsi_pc_intr+0/240>
> Trace; fa810060 <[ide-mod]ide_timer_expiry+1a0/200>
> Trace; fa81b760 <[ide-mod]ide_hwifs+40/1ec8>
> Trace; fa817f42 <[ide-mod]ide_hwif_to_major+5a0/257c>
> Trace; fa80fec0 <[ide-mod]ide_timer_expiry+0/200>
> Trace; c011faa4 <timer_bh+264/2c0>
> Trace; c011bebc <bh_action+4c/90>
> Trace; c011bd8c <tasklet_hi_action+5c/90>
> Trace; c011bb0e <do_softirq+6e/d0>
> Trace; c0108b1a <do_IRQ+da/f0>
> Trace; c01053f0 <default_idle+0/40>
> Trace; c01053f0 <default_idle+0/40>
> Trace; c010ac88 <call_do_IRQ+6/e>
> Trace; c01053f0 <default_idle+0/40>
> Trace; c01053f0 <default_idle+0/40>
> Trace; c010541c <default_idle+2c/40>
> Trace; c0105492 <cpu_idle+42/60>
> Trace; c0117b6e <release_console_sem+8e/a0>
> Trace; c0117a7e <printk+11e/140>
> Code; fa8222a0 <[ide-scsi]idescsi_end_request+70/290>
> 0000000000000000 <_EIP>:
> Code; fa8222a0 <[ide-scsi]idescsi_end_request+70/290> <=====
> 0: c7 80 7c 01 00 00 00 movl $0x70000,0x17c(%eax) <=====
> Code; fa8222a6 <[ide-scsi]idescsi_end_request+76/290>
> 7: 00 07 00
> Code; fa8222aa <[ide-scsi]idescsi_end_request+7a/290>
> a: 83 7c 24 14 00 cmpl $0x0,0x14(%esp,1)
> Code; fa8222ae <[ide-scsi]idescsi_end_request+7e/290>
> f: 0f 84 97 01 00 00 je 1ac <_EIP+0x1ac> fa82244c <[ide-scsi]idescsi_end_request+21c/290>
>
> <0>Kernel panic: Aiee, killing interrupt handler!
> --
> Got freedom? Vote Libertarian: http://www.lp.org
--
Got freedom? Vote Libertarian: http://www.lp.org
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