Re: Panic on 5.2.1-R, netisr related?

From: Colin Percival <colin.percival_at_wadham.ox.ac.uk> Date: Tue, 11 May 2004 12:05:21 +0100 · This archive was generated by hypermail 2.4.0 : Wed May 19 2021 - 11:37:53 UTC

  Is this problem reproducible?  I ask because...

At 20:41 10/05/2004, Michael Nottebrock wrote:
>#4  0xc0675715 in bremfree (bp=0x0) at ../../../kern/vfs_bio.c:629
                         ^^^^^^
>#5  0xc06791c4 in getblk (vp=0xc312ab2c, blkno=1, size=16384, slpflag=0, 
>slptimeo=0, flags=0)
>    at ../../../kern/vfs_bio.c:2468
     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

... this should never happen.  getblk dereferences bp during the four
lines immediately before it calls bremfree(bp), so if bp is null, you
should have seen a panic before getting this far.

Colin Percival