NetBSD Problem Report #44417
From bch@methodlogic.net Wed Jan 19 17:21:50 2011
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Date: Wed, 19 Jan 2011 17:21:31 +0000
From: bch@methodlogic.net
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To: gnats-bugs@netbsd.org
Subject: immediate uvm_fault on boot w/ latest -current
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>Number: 44417
>Category: kern
>Synopsis: kernel faults immediately after/during hardware detection
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: kern-bug-people
>State: closed
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Wed Jan 19 17:25:00 +0000 2011
>Closed-Date: Mon Mar 20 07:23:01 +0000 2023
>Last-Modified: Mon Mar 20 07:23:01 +0000 2023
>Originator: bch@methodlogic.net
>Release: NetBSD 5.99.43
>Organization:
Method Logic Digital (http://methodlogic.net/)
>Environment:
System: NetBSD kamloops 5.99.43 NetBSD 5.99.43 (kamloops) #157: Sat Jan 15 11:02:49 PST 2011 root@kamloops:/usr/obj/sys/arch/amd64/compile/kamloops amd64
Architecture: x86_64
Machine: amd64
>Description:
Kernel has been failing for last ~30 hours: was initially failing on ehci hardware detection (hang), and did later fault w/ uvm failure as described here.
Transcription of boot failure (boot -z):
Detecting hardware... ifmedia_set: no match for 0x20/0xfffffff
uvm_fault(oxffffffff80b41aa0, 0xfffffffffffff000,2)->e
fatal page fault in supervisor mode
trap type 6 code 2 rip ffffffff80625416 cd 8 rflags 10246 cr2 ffffffffffffffff
cpl 8 rsp ffffffff80cb1360
kernel: page fault trap, code=0
Stopped in pid 0.1 (system) at netbsd: uvm_pglist_add+0x36: movq %rdx,0(%rax)
Backtrace (function names only) as follows:
uvm_pglist_add()
uvm_pglistalloc()
_bus_dmamem_alloc_range()
_bus_dmamem_alloc()
_bus_dmamap_create()
_iwn_attach()
Backtrace (function names only) as follows:
uvm_pglist_add()
uvm_pglistalloc()
_bus_dmamem_alloc_range()
_bus_dmamem_alloc()
_bus_dmamap_create()
_iwn_attach()
...
>How-To-Repeat:
Build kernel w/ latest code, reboot
>Fix:
>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->feedback
State-Changed-By: skrll@NetBSD.org
State-Changed-When: Wed, 22 Dec 2021 08:08:29 +0000
State-Changed-Why:
please test latest kernel.
State-Changed-From-To: feedback->open
State-Changed-By: spz@NetBSD.org
State-Changed-When: Mon, 20 Mar 2023 05:52:25 +0000
State-Changed-Why:
there are no working addresses to request feedback from in this PR.
State-Changed-From-To: open->closed
State-Changed-By: skrll@NetBSD.org
State-Changed-When: Mon, 20 Mar 2023 07:23:01 +0000
State-Changed-Why:
I think we missed the boat with this one, so close.
>Unformatted:
(Contact us)
$NetBSD: gnats-precook-prs,v 1.4 2018/12/21 14:20:20 maya Exp $
$NetBSD: gnats_config.sh,v 1.9 2014/08/02 14:16:04 spz Exp $
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