Re: [gentoo-user] kernel 2.6.20-r6 panics with strange message

2007-04-30 Thread Hemmann, Volker Armin
On Montag, 30. April 2007, maxim wexler wrote:
 Hi group,

 The new kernel panics at a typical place:
 ...
 VFS: unable to mount root fs on unknown-block (8,7)

 then just below this appears:

 6 Time: tsc clocksource has been installed.
 crash

 The root fs is reiserfs and *is* part of the kernel.

 Yes, CONFIG_UNIX=y

that is not the reiserfs option.
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Re: [gentoo-user] kernel 2.6.20-r6 panics with strange message

2007-04-30 Thread Dirk Heinrichs
Am Montag, 30. April 2007 schrieb ext maxim wexler:
 Hi group,

 The new kernel panics at a typical place:
 ...
 VFS: unable to mount root fs on unknown-block (8,7)

 From the new, 2.6.20 .config:

 CONFIG_SCSI=y
 CONFIG_BLK_DEV_SD=y
 CONFIG_ATA=y
 CONFIG_SATA_SIL=y

 From the previous, 2.6.16 two options no longer
 present in the 2.6.20 kernel

 CONFIG_SCSI_SATA=y
 CONFIG_SCSI_SATA_SIL=y

Well, without

CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y

you won't be able to boot from a SATA disk. So re-enabling them should solve 
the problem.

HTH...

Dirk
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Re: [gentoo-user] kernel 2.6.20-r6 panics with strange message

2007-04-30 Thread maxim wexler

--- Dirk Heinrichs [EMAIL PROTECTED] wrote:

 Am Montag, 30. April 2007 schrieb ext maxim wexler:
  Hi group,
 
  The new kernel panics at a typical place:
  ...
  VFS: unable to mount root fs on unknown-block
 (8,7)
 
  From the new, 2.6.20 .config:
 
  CONFIG_SCSI=y
  CONFIG_BLK_DEV_SD=y
  CONFIG_ATA=y
  CONFIG_SATA_SIL=y
 Well, without
 
 CONFIG_SCSI=y
 CONFIG_BLK_DEV_SD=y
 
 you won't be able to boot from a SATA disk. So
 re-enabling them should solve 
 the problem.

Huh? They *are* enabled.

-mw

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Re: [gentoo-user] kernel 2.6.20-r6 panics with strange message

2007-04-30 Thread maxim wexler
  Yes, CONFIG_UNIX=y
 
 that is not the reiserfs option.

I'm aware of that. But another PC with the 2.6.19
kernel and an IDE drive panicked until I set
CONFIG_UNIX=y. Didn't help in this case.

-mw

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Re: [gentoo-user] kernel 2.6.20-r6 panics with strange message

2007-04-30 Thread Hemmann, Volker Armin
On Montag, 30. April 2007, maxim wexler wrote:
   Yes, CONFIG_UNIX=y
 
  that is not the reiserfs option.

 I'm aware of that. But another PC with the 2.6.19
 kernel and an IDE drive panicked until I set
 CONFIG_UNIX=y. Didn't help in this case.

well, you should have set sockets, because it is THAT way to communicate with 
the kernel.  So CONFIG_UNIX has to be y.

about your problem - do make menuconfig and recheck your driver and fs 
settings.
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Re: [gentoo-user] kernel 2.6.20-r6 panics with strange message

2007-04-30 Thread Hans-Werner Hilse
Hi,

Am Montag, den 30.04.2007, 17:24 +0200 schrieb Hemmann, Volker Armin:
 On Montag, 30. April 2007, maxim wexler wrote:
Yes, CONFIG_UNIX=y
  
   that is not the reiserfs option.
 
  I'm aware of that. But another PC with the 2.6.19
  kernel and an IDE drive panicked until I set
  CONFIG_UNIX=y. Didn't help in this case.
 
 well, you should have set sockets, because it is THAT way to communicate with 
 the kernel.  So CONFIG_UNIX has to be y.

Nope, Unix sockets are usually not the commonly chosen way for
kernel-userland communication. They're used for machine-local (w/
exception of clusters) inter-process communication. But I think that
init would struggle w/o CONFIG_UNIX and, of course, udev. So Maxim might
have hit problems there. But that's just nitpicking here ;-)

@OP: You can scroll kernel boot output using Shift-PgUp/-PgDown. From
what you can see there you should be able to tell whether your HD is
recognized or not and what's its device name (which you must hand to
the kernel via the root=... kernel command line parameter).

-hwh
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Re: [gentoo-user] kernel 2.6.20-r6 panics with strange message

2007-04-30 Thread Hemmann, Volker Armin
On Montag, 30. April 2007, Hans-Werner Hilse wrote:


 Nope, Unix sockets are usually not the commonly chosen way for
 kernel-userland communication. They're used for machine-local (w/
 exception of clusters) inter-process communication. But I think that
 init would struggle w/o CONFIG_UNIX and, of course, udev. So Maxim might
 have hit problems there. But that's just nitpicking here ;-)

you forgot X.
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Re: [gentoo-user] kernel 2.6.20-r6 panics with strange message FIXED

2007-04-30 Thread maxim wexler

 about your problem - do make menuconfig and recheck
 your driver and fs 
 settings.

It was a driver. In the 2.6.16 config under 
#
#SCSI low-level drivers 
#
I had this: CONFIG_SCSI_SATA_NV=y

But for the 2.6.20 this option has been moved to
#
#Serial ATA (prod) and Parallel ATA (experimental)
drivers 
#

and shortened to CONFIG_SATA_NV.

So I set it to 'y' and the PC booted no problem.

FWIW, this particular panic resulted in a complete
freeze up. Keyboard useless. No scrolling possible.
But the Caps Lock and Scroll Lock LEDs blinked off and
on at ~1 sec intervals. Which I hadn't noticed before.

-mw


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[gentoo-user] kernel 2.6.20-r6 panics with strange message

2007-04-29 Thread maxim wexler
Hi group,

The new kernel panics at a typical place:
...
VFS: unable to mount root fs on unknown-block (8,7)

then just below this appears:

6 Time: tsc clocksource has been installed.
crash

The root fs is reiserfs and *is* part of the kernel.

Yes, CONFIG_UNIX=y

I thought it might be the SATA drive. The previous
kernel, 2.6.16, sets up SATA slightly different.

From the new, 2.6.20 .config:

CONFIG_SCSI=y
CONFIG_BLK_DEV_SD=y
CONFIG_ATA=y
CONFIG_SATA_SIL=y 

From the previous, 2.6.16 two options no longer
present in the 2.6.20 kernel

CONFIG_SCSI_SATA=y
CONFIG_SCSI_SATA_SIL=y

So, is this a SATA/SCSI problem or something else?

-Maxim

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