Re: port-xen/56063: Xen boot fails with "heap full"

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

The following reply was made to PR port-xen/56063; it has been noted by GNATS.

From: Manuel Bouyer <bouyer%antioche.eu.org@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: port-xen-maintainer%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
        netbsd-bugs%netbsd.org@localhost
Subject: Re: port-xen/56063: Xen boot fails with "heap full"
Date: Wed, 8 Jun 2022 17:24:55 +0200

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 On Thu, Mar 18, 2021 at 02:20:00PM +0000, Andreas Gustafsson wrote:
 > >Description:
 > 
 > When I try to boot any NetBSD release newer than 8.1 as a Xen 4.11
 > dom0 on a HP DL360 G7 server, the boot fails with a "heap full"
 > message.  For example, with 9.1:
 > 
 >   >> NetBSD/x86 BIOS Boot, Revision 5.11 (Sun Oct 18 19:24:30 UTC 2020) (from NetBSD 9.1)
 >   >> Memory: 637/3668992 k
 > 
 >        1. Xen
 >        2. Boot normally
 >        3. Boot single user
 >        4. Drop to boot prompt
 > 
 >   Choose an option; RETURN for default; SPACE to stop countdown.
 >   Option 1 will be chosen in 0 seconds. 4 seconds. 3 seconds. 2 seconds. 1 seconds. 0 seconds. 0 seconds.
 >   |/-\|/-\|/-\|/-\2666632|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|+1339256/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|=0x3d20ec
 >   /-\|/-\|/-\|/-\|Loading /netbsd-XEN3_DOM0.gz /-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/-\|/heap full (0x6a800+32768)
 > 
 > The boot blocks are the freshly installed ones of the OS version in case.
 
 Hello
 are you still seeing this with a recent kernel and /boot ?
 If so, could you try the attached patch ?
 
 I can't reproduce it myself ...
 
 -- 
 Manuel Bouyer <bouyer%antioche.eu.org@localhost>
      NetBSD: 26 ans d'experience feront toujours la difference
 --
 
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 Index: stand/boot/Makefile.boot
 ===================================================================
 RCS file: /cvsroot/src/sys/arch/i386/stand/boot/Makefile.boot,v
 retrieving revision 1.75
 diff -u -p -u -r1.75 Makefile.boot
 --- stand/boot/Makefile.boot	6 Sep 2020 07:20:28 -0000	1.75
 +++ stand/boot/Makefile.boot	8 Jun 2022 15:14:01 -0000
 @@ -81,7 +81,7 @@ CPPFLAGS+= -DLIBSA_ENABLE_LS_OP
  # The biosboot code is linked to 'virtual' address of zero and is
  # loaded at physical address 0x10000.
  # XXX The heap values should be determined from _end.
 -SAMISCCPPFLAGS+= -DHEAP_START=0x40000 -DHEAP_LIMIT=0x70000
 +SAMISCCPPFLAGS+= -DHEAP_START=0x40000 -DHEAP_LIMIT=0x80000
  SAMISCCPPFLAGS+= -DLIBSA_PRINTF_LONGLONG_SUPPORT
  SAMISCMAKEFLAGS+= SA_USE_CREAD=yes	# Read compressed kernels
  SAMISCMAKEFLAGS+= SA_INCLUDE_NET=no	# Netboot via TFTP, NFS
 
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