NetBSD Problem Report #57290

From www@netbsd.org  Fri Mar 24 19:16:02 2023
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	by mollari.NetBSD.org (Postfix) with ESMTPS id 345E31A9239
	for <gnats-bugs@gnats.NetBSD.org>; Fri, 24 Mar 2023 19:16:02 +0000 (UTC)
Message-Id: <20230324191600.B949F1A923C@mollari.NetBSD.org>
Date: Fri, 24 Mar 2023 19:16:00 +0000 (UTC)
From: mike@papersolve.com
Reply-To: mike@papersolve.com
To: gnats-bugs@NetBSD.org
Subject: qemu-system-sparc64 virtio-blk-pci device doesn't work on NetBSD 10.0 - booting halts
X-Send-Pr-Version: www-1.0

>Number:         57290
>Category:       port-sparc64
>Synopsis:       qemu-system-sparc64 virtio-blk-pci device doesn't work on NetBSD 10.0 - booting halts
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    port-sparc64-maintainer
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Mar 24 19:20:00 +0000 2023
>Last-Modified:  Mon May 01 16:25:01 +0000 2023
>Originator:     Mike Russo
>Release:        10.0_BETA
>Organization:
>Environment:
NetBSD  10.0_BETA NetBSD 10.0_BETA (GENERIC) #0: Mon Mar 20 17:25:14 UTC 2023  mkrepro@mkrepro.NetBSD.org:/usr/src/sys/arch/sparc64/compile/GENERIC sparc64
>Description:
I am attempting to use the virtio-blk-pci device with qemu-system-sparc64 and NetBSD 10.0, using the same command line as can be found on the qemu project's documentation page https://wiki.qemu.org/Documentation/Platforms/SPARC . The command is

qemu-system-sparc64 -drive file=./netbsd_sparc64.qcow2,if=none,id=hd -drive file=./NetBSD-10.0_BETA-sparc64.iso,format=raw,if=ide,bus=1,unit=0,media=cdrom,readonly=on -device virtio-blk-pci,bus=pciB,drive=hd -boot d -nographic

using latest qemu from git I compiled a couple of days ago. NetBSD 10.0 ISO was downloaded today.

It is detected, however it locks up the boot:
[   1.0000000] virtio0 at pci2 dev 0 function 0
[   1.0000000] virtio0: block device (id 2, rev. 0x00)
[   1.0000000] ld0 at virtio0: features: 0x10000a54<INDIRECT_DESC,CONFIG_WCE,FLUSH,BLK_SIZE,GEOMETRY,SEG_MAX>
[   1.0000000] virtio0: interrupting at ivec 1810
[   1.0000000] ld0: 40960 MB, 16383 cyl, 16 head, 63 sec, 512 bytes/sect x 83886080 sectors
[   1.0000000] pcons at mainbus0 not configured
[   1.0000000] WARNING: system needs entropy for security; see entropy(7)
[   1.0000030] No counter-timer -- using %tick at 100MHz as system clock.
[   4.2026685] atapibus0 at atabus1: 2 targets
[   4.2227265] cd0 at atapibus0 drive 0: <QEMU DVD-ROM, QM00003, 2.5+> cdrom removable

//locks up here


It seems some discussion was had recently on the qemu and netbsd mailing list about it, see here
http://mail-index.netbsd.org/port-sparc64/2023/01/25/msg003184.html
and here
https://lists.nongnu.org/archive/html/qemu-devel/2021-10/msg01031.html

However I don't think anyone opened a bug report, so I'm doing so now. 
>How-To-Repeat:
start qemu-system-sparc64 with the command line specified above (any HD file will do, just create a blank one in qemu-img)
>Fix:
see discussion in mailing list threads for information that was already found

>Audit-Trail:
From: matthew green <mrg@eterna.com.au>
To: gnats-bugs@netbsd.org
Cc: port-sparc64-maintainer@netbsd.org, gnats-admin@netbsd.org,
    netbsd-bugs@netbsd.org
Subject: re: port-sparc64/57290: qemu-system-sparc64 virtio-blk-pci device doesn't work on NetBSD 10.0 - booting halts
Date: Sun, 26 Mar 2023 04:34:56 +1100

 i'm able to reproduce this issue.

 > It seems some discussion was had recently on the qemu and netbsd mailing=
  list about it, see here
 > http://mail-index.netbsd.org/port-sparc64/2023/01/25/msg003184.html
 > and here
 > https://lists.nongnu.org/archive/html/qemu-devel/2021-10/msg01031.html

 i tried implmenting this for sparc64 yesterday.  it didn't help,
 for either the blk or network PRs you filed.

 the netbsd-10 version is a hack since there's no way to pass the
 relevant feature bit in our virtio APIs there (uint32_t has been
 widened to uint64_t in -current.)


 .mrg.

From: Mike Russo <mike@PaperSolve.com>
To: "port-sparc64-maintainer@netbsd.org" <port-sparc64-maintainer@netbsd.org>,
	"gnats-admin@netbsd.org" <gnats-admin@netbsd.org>, "netbsd-bugs@netbsd.org"
	<netbsd-bugs@netbsd.org>, "gnats-bugs@netbsd.org" <gnats-bugs@netbsd.org>
Cc: 
Subject: Re: port-sparc64/57290: qemu-system-sparc64 virtio-blk-pci device
 doesn't work on NetBSD 10.0 - booting halts
Date: Mon, 1 May 2023 15:04:14 +0000

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