Re: kern/51087: panic: m_copym: off -2074581028, len 1448

[Sean Davis <dive%hq.endersgame.net@localhost>]

The following reply was made to PR kern/51087; it has been noted by GNATS.

From: Sean Davis <dive%hq.endersgame.net@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: 
Subject: Re: kern/51087: panic: m_copym: off -2074581028, len 1448
Date: Fri, 3 Jun 2016 19:45:27 -0500

 I will give it a try reproducing it again -- hasn't happened on its own yet=
  so I may have to poke it. :)
 
 Here's the current kernel config: (I'm running with vlans, NO ipv6, +NFS):
 # $egnet: PHOENIX,v 1.39 2015/08/28 16:36:46 dive Exp $
 ##############################################
 ## phoenix.endersgame.net // netbsd-7 amd64 ##
 ##############################################
 ##   AMD Phenom 9150e 4 x 1.8ghz, 4GB RAM   ##
 ##############################################
 
 
 
 
 ##############################################################
 ## DEFAULT INCLUDES: DO NOT REMOVE ANYTHING IN THIS SECTION ##
 ##############################################################
 
 include "arch/amd64/conf/std.amd64"
 
 ###################################
 ## SYSTEM-SPECIFIC CONFIGURATION ##
 ###################################
 
 ident "PHOENIX"
 
 maxusers 64
 
 #makeoptions     DEBUG=3D"-g"
 makeoptions     COPTS=3D"-O2 -fno-omit-frame-pointer"
 
 options INSECURE
 #options ATADEBUG
 options CPURESET_DELAY=3D2000
 options RTC_OFFSET=3D0
 options NTP
 options CPU_UCODE
 options SYSVMSG
 options SYSVSEM
 options SYSVSHM
 options P1003_1B_SEMAPHORE
 options MODULAR
 options RAID_AUTOCONFIG
 options DKWEDGE_AUTODISCOVER
 options DKWEDGE_METHOD_GPT
 options DKWEDGE_METHOD_BSDLABEL
 options DKWEDGE_METHOD_MBR
 options WAPBL
 options INET
 options WSEMUL_VT100
 options WS_KERNEL_FG=3DWSCOL_GREEN
 options WSDISPLAY_COMPAT_PCVT
 options WSDISPLAY_COMPAT_SYSCONS
 options PCKBD_CNATTACH_MAY_FAIL
 options ACPI_SCANPCI
 options MPBIOS
 options MPBIOS_SCANPCI
 options VCONS_DRAW_INTR
 options VGA_POST
 options NFSSERVER
 options PFIL_HOOKS
 options KTRACE
 options BUFQ_READPRIO
 options BUFQ_PRIOCSCAN
 options BUFCACHE=3D30
 options NMBCLUSTERS=3D262144
 
 file-system FFS
 file-system PTYFS
 file-system TMPFS
 file-system NFS
 
 config netbsd root on ? type ffs
 
 acpicpu* at cpu?
 acpi0 at mainbus0
 acpibut* at acpi?
 acpifan* at acpi?
 acpitz* at acpi?
 attimer* at acpi?
 hpet* at acpihpetbus?
 hpet* at acpinodebus?
 pci* at mainbus? bus ?
 pci* at pchb? bus ?
 pci* at ppb? bus ?
 pchb* at pci? dev ? function ?
 pcib* at pci? dev ? function ?
 ppb* at pci? dev ? function ?
 isa0 at pcib?
 vga* at pci? dev ? function ?
 wsdisplay* at vga? console ?
 amdnb_misc* at pci?
 amdtemp* at amdnb_misc?
 nfsmbc* at pci? dev ? function ?
 nfsmb* at nfsmbc?
 iic* at nfsmb?
 spdmem* at iic? addr 0x50
 spdmem* at iic? addr 0x51
 spdmem* at iic? addr 0x52
 spdmem* at iic? addr 0x53
 viaide* at pci? dev ? function ?
 atabus* at ata?
 wd* at atabus? drive ? flags 0x0000
 skc* at pci? dev ? function ?
 sk* at skc?
 nfe* at pci?
 ciphy* at mii?
 icsphy* at mii?
 makphy* at mii?
 rlphy* at mii?
 ehci* at pci? dev ? function ?
 ohci* at pci? dev ? function ?
 usb* at ehci?
 usb* at ohci?
 uhub* at usb?
 uhub* at uhub? port ?
 uhidev* at uhub? port ? configuration ? interface ?
 uhid* at uhidev? reportid ?
 ukbd* at uhidev? reportid ?
 wskbd* at ukbd? console ? mux 1
 
 pseudo-device raid 1
 pseudo-device bpfilter
 pseudo-device loop
 pseudo-device accf_data
 pseudo-device accf_http
 pseudo-device pty
 pseudo-device clockctl
 pseudo-device ksyms
 pseudo-device wsmux
 pseudo-device wsfont
 pseudo-device drvctl
 pseudo-device vlan
 pseudo-device crypto
 pseudo-device swcrypto
 pseudo-device npf
 
 On Tue, May 31, 2016 at 06:25:01AM +0000, David Holland wrote:
 > The following reply was made to PR kern/51087; it has been noted by GNATS.
 >=20
 > From: David Holland <dholland-bugs%netbsd.org@localhost>
 > To: gnats-bugs%NetBSD.org@localhost
 > Cc:=20
 > Subject: Re: kern/51087: panic: m_copym: off -2074581028, len 1448
 > Date: Tue, 31 May 2016 06:20:42 +0000
 >=20
 >  On Fri, Apr 22, 2016 at 06:35:00PM +0000, dive%endersgame.net@localhost wrote:
 >   > >Synopsis:       kernel panic in m_copym
 >   >     I noticed this morning that this machine had rebooted. I was not
 >   >     doing anything unusual at the time; I don't know what triggered i=
 t,
 > =20
 >  It would help to know what networking features you are (or aren't)
 >  using, and possibly what you put in your custom kernel config.
 > =20
 >  Also any other information that may have been left in the logs would
 >  be helpful.
 > =20
 >  The actual panic message was a good start though -- many people forget
 >  that :-)
 > =20
 >  --=20
 >  David A. Holland
 >  dholland%netbsd.org@localhost
 > =20
 >=20