[DragonFlyBSD - Bug #2484] (Closed) virtio hangs boot of i386 Ideapad with acpi disabled

[bugtracker-admin at leaf.dragonflybsd.org]

Issue #2484 has been updated by swildner.

Description updated
Status changed from New to Closed

I believe this should be fixed with 902419bf6d9fd0f80afc9d07cd4b3e99d20f23ca (http://lists.dragonflybsd.org/pipermail/commits/2014-April/269851.html), so closing it. If it is still an issue, please re-open.


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Bug #2484: virtio hangs boot of i386 Ideapad with acpi disabled
http://bugs.dragonflybsd.org/issues/2484#change-12030

* Author: davshao
* Status: Closed
* Priority: Normal
* Assignee: vsrinivas
* Category: 
* Target version: 
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For a Lenovo Ideapad netbook (i386) with acpi disabled using master commits through
commit 1d0de3d37b9efb6301b10515fd12d922c8602093
Date:   Tue Jan 8 19:21:35 2013 +0100

    kernel/vfs: Remove some unused variables.

boot hangs after devices:

md0: invalid primary partition table: no magic
Math emulator present
hptrr: RocketRAID 17xx/2xxx SATA controller driver v1.2
hpt27xx: RocketRAID 27xx controller driver v1.0 (Jan  9 2013 12:15:05)

and before

IOAPIC: rman cpu0 0 - 1
IOAPIC: rman cpu0 3 - 95
IOAPIC: rman cpu0 97 - 191
IOAPIC: rman cpu1 24 - 95
IOAPIC: rman cpu1 97 - 191
npx0.nexus0.root0
npx0: <math processor> [tentative] on motherboard
npx0: INT 16 interface

The boot problem was bisected to be after:

commit 42fdf81ee882d38808efe2772a68a9c4991a5f76
Date:   Sun Jan 6 20:01:27 2013 +0800

and before:

commit f31f6d84db329735c062a41c0f729843cd4d0b6f
Date:   Mon Jan 7 09:48:18 2013 +0100

    kernel/hammer: Remove unused variables and add __debugvar.

In addition a workaround is to disable kernel options for virtio for a custom kernel config:

# VirtIO support
# device		virtio		# VirtIO core
# device		virtio_blk	# VirtIO disk driver
# device		virtio_pci	# VirtIO transport over PCI bus

Attached is a dmesg for the booting configuration with acpi and virtio disabled.


---Files--------------------------------
ideapad_novirtio_dmesg.txt (41.9 KB)
ideapad_pciconf_novirtio.txt (4.23 KB)
acer_725_0687_dmesg.txt (44.9 KB)


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