Issue #2756 has been updated by tkusumi.
If anyone hits this kernel panic using the latest version of VirtualBox on
Linux, try using KVM. I don't hit this issue when running 4.0.3 (which hasn't
merged 15bd3c73 yet) as a KVM guest while I do hit this everyday on VirtualBox.
The easiest way to
Issue #2756 has been updated by tuxillo.
Target version changed from 4.0.x to 4.2.x
Bug #2756: Hit kernel panic while running hammer show cmd
http://bugs.dragonflybsd.org/issues/2756#change-12408
* Author: tkusumi
* Status: Closed
* Priority: High
*
Issue #2756 has been updated by tkusumi.
Thanks for the latest iso. I guess 15bd3c7353c5ce02776849ca16be00d5088d8734 is
it. I couldn't reproduce it with this binary.
This is what I did. I brought some bsd and linux kernel repositories/archives
which is good to fill btree with bunch of inodes,
Issue #2756 has been updated by tkusumi.
btw, even in 4.0 environment it doesn't reproduce with dd. It easily gets
larger than where it got stuck with hammer show. I guess it's hammer show's
whole btree iteration that happened to hit ata driver problem that was fixed in
Issue #2756 has been updated by tkusumi.
Actually it did panic with dd as well on 4.0. I found it in kernel panic a
while after I've successfully done dd and sync. Don't know who's i/o this was
but it died at
dsclose+0x3b (806183ec)
where asm of +0x3b is
806183ec: 45 39
Issue #2756 has been updated by tuxillo.
Hi,
I can't reproduce it:
1) In a vkernel (though it runs DragonFly 4.1) with a normal and a full
filesystem:
vk01# df -h
Filesystem Size Used Avail Capacity Mounted on
VKROOT19G 3.6G16G19%/
devfs1.0K 1.0K 0B
Issue #2756 has been updated by tkusumi.
hi, thanks for the reply.
xml config file says as follows. I haven't really changed virtualbox hw setting
from what was already there, but it's IDE, not SATA.
StorageControllers
StorageController name=IDE type=PIIX4 PortCount=2
Issue #2756 has been updated by tkusumi.
Tried again and was able to reproduce it. For some reason it hits panic when
show.out has reached around 240-250MB.
dmesg from console right before it enters db.
ad0 FAILURE - device detached
subdisk0: detached
ad0: detached
It was at a different
