Re: hit g_provider %p disappeared while tasting

2003-11-18 Thread Bjoern A. Zeeb
On Mon, 17 Nov 2003, Robert Watson wrote:

Hi,

   Where the dead pointer comes from is what has yet to be discovered.
  
   Do you have an atapi-cd drive in this machine ?
 
  No.
 
  while pxebooting there is no floppy and no hd and no cf rader attached.
 
  fxp0, dual intel card fxp1,2 an ed0 (preloaded module) and an older S3
  graphic card. that's about everything in that P133 with F00F bug.
 
  I have older a todays boot logs including boot_verbose=1; if it helps I
  can mail them off-list.

 What, if any, storage devices or pseudo-devices are present.  Often,
 diskless environments use md for temporary storage...?  Or, maybe we're
 looking at a failure mode that occurs when zero storage devices are
 available :-).

or if some special classes like md and atapi-cd are used that have no
taster function. I send some more information to phk this very early
morning.
The problem seens to be that none of the classes has a goem entry when
going through g_valid_obj().


Another thing that crossed my mind while going to work this morning is
that the only related reports I had seen are when mounting rootfs.
[ also see [EMAIL PROTECTED] , this month in current ]
What about the atapi-cd case ?

 From the debugging this night I remember that there are some XXX
comments in geom_dev about this. Just another thing one might keep in
mind while further debugging.

-- 
Bjoern A. Zeeb  bzeeb at Zabbadoz dot NeT
56 69 73 69 74  http://www.zabbadoz.net/
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hit g_provider %p disappeared while tasting

2003-11-17 Thread Bjoern A. Zeeb
Hi,

I am pxebooting an md_image as root fs. While this worked for cvsup
sources from around 20031115-1501 UTC it fails woth same kernel config
with sources from today 20031117-1435 UTC.

--- 20031115-1501 ---
...
IPsec: Initialized Security Association Processing.
Mounting root from ufs:/dev/md0c
Loading configuration files.
Entropy harvesting:.
...
--- end ---


--- 20031117-1435 ---
IPsec: Initialized Security Association Processing.
g_provider 0xc2f6ee80 disappeared while tasting
Mounting root from ufs:/dev/md0c
setrootbyname failed
ffs_mountroot: can't find rootvp
Root mount failed: 6
Mounting root from ufs:/dev/md0
setrootbyname failed
ffs_mountroot: can't find rootvp
Root mount failed: 6

Manual root filesystem specification:
  fstype:device  Mount device using filesystem fstype
   eg. ufs:da0s1a
  ?  List valid disk boot devices
  empty line   Abort manual input

mountroot ?
panic: Root mount failed, startup aborted.

--- end ---

nb: please ignore the '?' panic. This is another problem.


The problem seems to be triggered by following commit:
http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/geom/geom_subr.c.diff?r1=1.61r2=1.62sortby=datef=h


If I can help to sort this out please let me know. I building too many
HEADs these days anyway ;-)

-- 
Bjoern A. Zeeb  bzeeb at Zabbadoz dot NeT
56 69 73 69 74  http://www.zabbadoz.net/
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Re: hit g_provider %p disappeared while tasting

2003-11-17 Thread Poul-Henning Kamp
In message [EMAIL PROTECTED], Bjo
ern A. Zeeb writes:
Hi,

I am pxebooting an md_image as root fs. While this worked for cvsup
sources from around 20031115-1501 UTC it fails woth same kernel config
with sources from today 20031117-1435 UTC.

The problem seems to be triggered by following commit:
http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/geom/geom_subr.c.diff?r1=1.61r2=1.62sortby=datef=h

That commit adds the message and avoids walking off the end of dead
a pointer.

Where the dead pointer comes from is what has yet to be discovered.

Do you have an atapi-cd drive in this machine ?

-- 
Poul-Henning Kamp   | UNIX since Zilog Zeus 3.20
[EMAIL PROTECTED] | TCP/IP since RFC 956
FreeBSD committer   | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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Re: hit g_provider %p disappeared while tasting

2003-11-17 Thread Bjoern A. Zeeb
On Mon, 17 Nov 2003, Poul-Henning Kamp wrote:

 In message [EMAIL PROTECTED], Bjo
 ern A. Zeeb writes:
 Hi,
 
 I am pxebooting an md_image as root fs. While this worked for cvsup
 sources from around 20031115-1501 UTC it fails woth same kernel config
 with sources from today 20031117-1435 UTC.

 The problem seems to be triggered by following commit:
 http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/geom/geom_subr.c.diff?r1=1.61r2=1.62sortby=datef=h

 That commit adds the message and avoids walking off the end of dead
 a pointer.

 Where the dead pointer comes from is what has yet to be discovered.

 Do you have an atapi-cd drive in this machine ?

No.

while pxebooting there is no floppy and no hd and no cf rader
attached.

fxp0, dual intel card fxp1,2 an ed0 (preloaded module) and an older S3
graphic card. that's about everything in that P133 with F00F bug.

I have older a todays boot logs including boot_verbose=1; if it helps
I can mail them off-list.

-- 
Bjoern A. Zeeb  bzeeb at Zabbadoz dot NeT
56 69 73 69 74  http://www.zabbadoz.net/
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Re: hit g_provider %p disappeared while tasting

2003-11-17 Thread Robert Watson

On Mon, 17 Nov 2003, Bjoern A. Zeeb wrote:

  Where the dead pointer comes from is what has yet to be discovered.
 
  Do you have an atapi-cd drive in this machine ?
 
 No.
 
 while pxebooting there is no floppy and no hd and no cf rader attached. 
 
 fxp0, dual intel card fxp1,2 an ed0 (preloaded module) and an older S3
 graphic card. that's about everything in that P133 with F00F bug. 
 
 I have older a todays boot logs including boot_verbose=1; if it helps I
 can mail them off-list. 

What, if any, storage devices or pseudo-devices are present.  Often,
diskless environments use md for temporary storage...?  Or, maybe we're
looking at a failure mode that occurs when zero storage devices are
available :-). 

Robert N M Watson FreeBSD Core Team, TrustedBSD Projects
[EMAIL PROTECTED]  Network Associates Laboratories


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