Re: port-arm/51665: shark locks up during nightly run

[Martin Husemann <martin%duskware.de@localhost>]

The following reply was made to PR port-arm/51665; it has been noted by GNATS.

From: Martin Husemann <martin%duskware.de@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: port-arm/51665: shark locks up during nightly run
Date: Mon, 28 Nov 2016 09:17:28 +0100

 On Sun, Nov 27, 2016 at 08:15:02PM +0000, David Holland wrote:
 >  What FS(es) are you using? Also, can you get into ddb, and if so,
 >  what wchans are involved?
 
 Yeah, sorry, missed to add some important details.
 
 On the (working) 96M machine:
 
 file system: /dev/rwd0c
 format  FFSv1
 endian  little-endian
 magic   11954           time    Mon Nov 28 07:50:02 2016
 superblock location     8192    id      [ 4c4ad59b 16a2beb3 ]
 cylgrp  dynamic inodes  4.4BSD  sblock  FFSv2   fslevel 4
 nbfree  6838896 ndir    9473    nifree  14130460        nffree  18293
 ncg     610     size    57561588        blocks  56663655
 bsize   16384   shift   14      mask    0xffffc000
 fsize   2048    shift   11      mask    0xfffff800
 frag    8       shift   3       fsbtodb 2
 bpg     11796   fpg     94368   ipg     23296
 minfree 5%      optim   time    maxcontig 4     maxbpg  4096
 
 and it is mounted with with log option.
 
 On the non-working 64M machine:
 
 file system: /dev/rwd0c
 format  FFSv1
 endian  little-endian
 magic   11954           time    Mon Nov 28 09:14:43 2016
 superblock location     8192    id      [ 0 0 ]
 cylgrp  dynamic inodes  4.4BSD  sblock  FFSv2   fslevel 4
 nbfree  370206  ndir    3231    nifree  1373859 nffree  18669
 ncg     195     size    5869867 blocks  5688887
 bsize   8192    shift   13      mask    0xffffe000
 fsize   1024    shift   10      mask    0xfffffc00
 frag    8       shift   3       fsbtodb 1
 bpg     3780    fpg     30240   ipg     7296
 minfree 5%      optim   time    maxcontig 8     maxbpg  2048
 
 and it is also mounted with "log".
 
 AFAIK shark can not boot from FFSv2 (firmware loads kernel directly from the
 filesystem).
 
 I can not break int ddb when it hangs.
 
 Martin