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Date: Fri, 1 Oct 2004 08:47:06 -0400
From: Brian Fundakowski Feldman <green@freebsd.org>
To: "Jeremy C. Reed" <reed@reedmedia.net>
Message-ID: <20041001124706.GD997@green.homeunix.org>
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cc: freebsd-current@freebsd.org
Subject: Re: panic "bio_completed can't be greater than bio_length" on
	CURRENT
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On Tue, Sep 28, 2004 at 05:04:44PM -0700, Jeremy C. Reed wrote:
> > Anyone seeing this?
> >
> > panic("bio_completed can't be greater than bio_length")
> 
> I upgraded and old laptop running 5.1 to -current this week. I have had
> that message twice. Once on first reboot with new kernel but old userland
> when I ran "fsck /usr". I typed in my notes:
> 
> ad0: TIMEOUT - READ retrying (2 retries left) LBA=235520522
> panic: bio_completed can't be greater than bio_length
> cpuid = 0
> KDB: enter: panic
> [thread 100027]
> Stopped at      kdb_enter+0x2b: nop
> db>
> 
> I thought this was because of old fsck. So I rebooted, didn't run fsck,
> and finished the install of userland.
> 
> Later, I started receiving random messages like:
> 
> ad0: TIMEOUT - READ retrying (2 retries left) LBA=101139222
> ad0: WARNING - WRITE no interrupt but good status
> (four times)
> 
> It went into kernel debugger again (but I don't know when):
> 
> panic: bio_completed can't be greater than bio_length
> cpuid = 0
> KDB: enter: panic
> [thread 100027]
> Stopped at      kdb_enter+0x2b: nop
> db>
> 
> It sits at that prompt now.
> 
> I am running OLDCARD kernel. (I don't know if it is needed still, but I
> had to use it before.)
> 
>  Jeremy C. Reed
> 
> p.s. Please CC me on replies.

Can you at least do a "tr"?  It would have been nice if the panic string
included the lengths in question... whoever made it...

-- 
Brian Fundakowski Feldman                           \'[ FreeBSD ]''''''''''\
  <> green@FreeBSD.org                               \  The Power to Serve! \
 Opinions expressed are my own.                       \,,,,,,,,,,,,,,,,,,,,,,\