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From: "Cédric Le Goater" <clg@kaod.org>
To: "Christophe Leroy" <christophe.leroy@csgroup.eu>,
	"Philippe Mathieu-Daudé" <f4bug@amsat.org>,
	"Daniel P. Berrangé" <berrange@redhat.com>
Cc: "Christophe Leroy" <christophe.leroy@c-s.fr>,
	"Peter Maydell" <peter.maydell@linaro.org>,
	"Thomas Huth" <thuth@redhat.com>,
	dbarboza@redhat.com, "Alexey Kardashevskiy" <aik@ozlabs.ru>,
	"Mark Cave-Ayland" <mark.cave-ayland@ilande.co.uk>,
	"QEMU Developers" <qemu-devel@nongnu.org>,
	"Wainer dos Santos Moschetta" <wainersm@redhat.com>,
	"Greg Kurz" <groug@kaod.org>, "Alexander Graf" <agraf@csgraf.de>,
	qemu-ppc <qemu-ppc@nongnu.org>, "Cleber Rosa" <crosa@redhat.com>,
	"Hervé Poussineau" <hpoussin@reactos.org>,
	"Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
	"David Gibson" <david@gibson.dropbear.id.au>
Subject: Re: Deprecate the ppc405 boards in QEMU? (was: [PATCH v3 4/7] MAINTAINERS: Orphan obscure ppc platforms)
Date: Wed, 27 Oct 2021 19:03:07 +0200	[thread overview]
Message-ID: <25e1c88c-b4b2-0bdd-d30c-7c08d1c78b88@kaod.org> (raw)
In-Reply-To: <543407cd-c077-a670-da21-5a4d57d7f35f@csgroup.eu>

Hello Christophe,

On 10/27/21 12:42, Christophe Leroy wrote:
> Hi Cédric,
> 
> Le 27/10/2021 à 10:40, Cédric Le Goater a écrit :
>>>>> I am raising this because the nanoMIPS support is in deprecated state
>>>>> since more than 2 releases, but it is still in-tree and I try to keep
>>>>> it functional. However, since no toolchain reached mainstream GCC/LLVM
>>>>> it is not easy to maintain. By keeping it in that state we give some
>>>>> time to other communities to have their toolchain upstreamed / merged.
>>>>
>>>> If you're trying to keep it functional and aren't going to remove
>>>> it, then it shouldn't be marked deprecated.
>>>
>>> OK, I'll move it back to Odd-fixes.
>>
>> The ppc405 boards are still in pretty bad shape. We need a patched u-boot,
>> a patched QEMU and a patched Linux and still, we do not reach user space
>> without some sort of crash.
>>
> 
> I guess Philippe was talking about the nanoMIPS here.
> 
> By the way, ppc405 is not on an optimal shape yet for sure, but we are getting better and better, and I'm aiming at getting it back to work, just because I need it.
> 
> By the way, were you able to re-test with CONFIG_MATH_EMULATION enabled after your last oops report which shows that you're trying to execute floating points instruction ?
> 

That's the best I got :( Please send me your .config.

Thanks,

C.

=> bootm 0x1000000
## Booting kernel from Legacy Image at 01000000 ...
    Image Name:   Linux-5.15.0-rc7-dirty
    Image Type:   PowerPC Linux Kernel Image (gzip compressed)
    Data Size:    3273457 Bytes = 3.1 MiB
    Load Address: 00700000
    Entry Point:  00701ad0
    Verifying Checksum ... OK
    Uncompressing Kernel Image ... OK
Memory <- <0x0 0x8000000> (128MB)
CPU clock-frequency <- 0x7f28155 (133MHz)
CPU timebase-frequency <- 0x7f28155 (133MHz)
/plb: clock-frequency <- 1fca055 (33MHz)
/plb/opb: clock-frequency <- 1fca055 (33MHz)
/plb/ebc: clock-frequency <- 1fca055 (33MHz)
/plb/opb/serial@ef600300: clock-frequency <- 1d1079 (2MHz)
/plb/opb/serial@ef600400: clock-frequency <- 1d1079 (2MHz)
ethernet0: local-mac-address <- 00:00:00:00:00:00
ethernet1: local-mac-address <- 00:00:2d:e5:44:80
Fixing devtree for 4M Flash

zImage starting: loaded at 0x00700000 (sp: 0x07eaabb0)
Decompression error: 'Not a gzip file'
No valid compressed data found, assume uncompressed data
Allocating 0x6bd274 bytes for kernel...
0x69a114 bytes of uncompressed data copied

Linux/PowerPC load:
Finalizing device tree... flat tree at 0xdc1960
Linux version 5.15.0-rc7-dirty (legoater@yukon) (powerpc64-linux-gnu-gcc (GCC) 11.2.1 20210728 (Red Hat Cross 11.2.1-1), GNU ld version 2.35.2-1.fc34) #14 Wed Oct 27 18:41:41 CEST 2021
Using PowerPC 40x Platform machine description
printk: bootconsole [udbg0] enabled
-----------------------------------------------------
phys_mem_size     = 0x8000000
dcache_bsize      = 0x20
icache_bsize      = 0x20
cpu_features      = 0x0000000000000100
   possible        = 0x0000000000000100
   always          = 0x0000000000000100
cpu_user_features = 0x86000000 0x00000000
mmu_features      = 0x00000004
-----------------------------------------------------
Zone ranges:
   Normal   [mem 0x0000000000000000-0x0000000007ffffff]
Movable zone start for each node
Early memory node ranges
   node   0: [mem 0x0000000000000000-0x0000000007ffffff]
Initmem setup node 0 [mem 0x0000000000000000-0x0000000007ffffff]
MMU: Allocated 1088 bytes of context maps for 255 contexts
Built 1 zonelists, mobility grouping on.  Total pages: 32512
Kernel command line:
Dentry cache hash table entries: 16384 (order: 4, 65536 bytes, linear)
Inode-cache hash table entries: 8192 (order: 3, 32768 bytes, linear)
mem auto-init: stack:off, heap alloc:off, heap free:off
Kernel virtual memory layout:
   * 0xffbdf000..0xfffff000  : fixmap
   * 0xc9000000..0xffbdf000  : vmalloc & ioremap
Memory: 122964K/131072K available (4920K kernel code, 224K rwdata, 1304K rodata, 316K init, 136K bss, 8108K reserved, 0K cma-reserved)
SLUB: HWalign=32, Order=0-3, MinObjects=0, CPUs=1, Nodes=1
NR_IRQS: 512, nr_irqs: 512, preallocated irqs: 16
UIC0 (32 IRQ sources) at DCR 0xc0
random: get_random_u32 called from start_kernel+0x498/0x5f8 with crng_init=0
clocksource: timebase: mask: 0xffffffffffffffff max_cycles: 0x1ec031343f, max_idle_ns: 440795203544 ns
clocksource: timebase mult[7800000] shift[24] registered
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes, linear)
clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns
futex hash table entries: 256 (order: -1, 3072 bytes, linear)
NET: Registered PF_NETLINK/PF_ROUTE protocol family
DMA: preallocated 128 KiB GFP_KERNEL pool for atomic allocations
              
thermal_sys: Registered thermal governor 'step_wise'
PCI host bridge /plb/pci@ec000000 (primary) ranges:
  MEM 0x0000000080000000..0x000000009fffffff -> 0x0000000080000000
   IO 0x00000000e8000000..0x00000000e800ffff -> 0x0000000000000000
4xx PCI DMA offset set to 0x00000000
4xx PCI DMA window base to 0x0000000000000000
DMA window size 0x0000000080000000
PCI: Probing PCI hardware
PCI host bridge to bus 0008:00
pci_bus 0008:00: root bus resource [io  0x0000-0xffff]
pci_bus 0008:00: root bus resource [mem 0x80000000-0x9fffffff]
pci_bus 0008:00: root bus resource [bus 00-ff]
pci_bus 0008:00: busn_res: [bus 00-ff] end is updated to ff
pci_bus 0008:00: busn_res: [bus 00-ff] end is updated to 00
pci_bus 0008:00: resource 4 [io  0x0000-0xffff]
pci_bus 0008:00: resource 5 [mem 0x80000000-0x9fffffff]
vgaarb: loaded
pps_core: LinuxPPS API ver. 1 registered
pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti <giometti@linux.it>
PTP clock support registered
clocksource: Switched to clocksource timebase
NET: Registered PF_INET protocol family
IP idents hash table entries: 2048 (order: 2, 16384 bytes, linear)
tcp_listen_portaddr_hash hash table entries: 512 (order: 0, 4096 bytes, linear)
TCP established hash table entries: 1024 (order: 0, 4096 bytes, linear)
TCP bind hash table entries: 1024 (order: 0, 4096 bytes, linear)
TCP: Hash tables configured (established 1024 bind 1024)
UDP hash table entries: 256 (order: 0, 4096 bytes, linear)
UDP-Lite hash table entries: 256 (order: 0, 4096 bytes, linear)
NET: Registered PF_UNIX/PF_LOCAL protocol family
RPC: Registered named UNIX socket transport module.
RPC: Registered udp transport module.
RPC: Registered tcp transport module.
RPC: Registered tcp NFSv4.1 backchannel transport module.
PCI: CLS 0 bytes, default 32
Mem-Info:
active_anon:0 inactive_anon:0 isolated_anon:0
  active_file:0 inactive_file:0 isolated_file:0
  unevictable:0 dirty:0 writeback:0
  slab_reclaimable:11 slab_unreclaimable:171
  mapped:0 shmem:0 pagetables:0 bounce:0
  kernel_misc_reclaimable:0
  free:30452 free_pcp:19 free_cma:0
Node 0 active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB writeback_tmp:0kB kernel_stack:152kB pagetables:0kB all_unreclaimable? no
Normal free:121808kB min:1400kB low:1748kB high:2096kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:131072kB managed:122964kB mlocked:0kB bounce:0kB free_pcp:76kB local_pcp:76kB free_cma:0kB
lowmem_reserve[]: 0 0
Normal: 4*4kB (UM) 2*8kB (ME) 3*16kB (UM) 2*32kB (UM) 3*64kB (ME) 3*128kB (UME) 5*256kB (UME) 4*512kB (UME) 3*1024kB (ME) 4*2048kB (UME) 26*4096kB (M) = 121808kB
0 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap  = 0kB
Total swap = 0kB
32768 pages RAM
0 pages HighMem/MovableOnly
2027 pages reserved
Kernel panic - not syncing:
CPU: 0 PID: 5 Comm: kworker/u2:0 Not tainted 5.15.0-rc7-dirty #12
Workqueue: events_unbound async_run_entry_fn
Call Trace:
[c0845d70] [c0026a40] panic+0x11c/0x2e0 (unreliable)
[c0845dd0] [c000513c] sys_mmap2+0x0/0x20
[c0845e20] [c0617844] do_populate_rootfs+0x48/0x17c
[c0845e60] [c004a8ec] async_run_entry_fn+0x34/0xc4
[c0845e80] [c003f6c0] process_one_work+0x268/0x3e0
[c0845eb0] [c003fd40] worker_thread+0x17c/0x4c4
[c0845f00] [c0047898] kthread+0x12c/0x14c
[c0845f40] [c0010114] ret_from_kernel_thread+0x14/0x1c
Rebooting in 180 seconds..


  parent reply	other threads:[~2021-10-27 17:28 UTC|newest]

Thread overview: 93+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-09-27  4:48 [PATCH v3 0/7] Reduce load on ppc target maintainers David Gibson
2021-09-27  4:48 ` [PATCH v3 1/7] qemu: Split machine_ppc.py acceptance tests David Gibson
2021-09-27  4:50   ` Philippe Mathieu-Daudé
2021-09-27 16:44   ` Philippe Mathieu-Daudé
2021-09-27 16:53     ` Cédric Le Goater
2021-09-27 17:18       ` Philippe Mathieu-Daudé
2021-09-27  4:48 ` [PATCH v3 2/7] MAINTAINERS: Remove machine specific files from ppc TCG CPUs entry David Gibson
2021-09-27  4:48 ` [PATCH v3 3/7] MAINTAINERS: Remove David & Greg as reviewers for a number of boards David Gibson
2021-09-27  4:48 ` [PATCH v3 4/7] MAINTAINERS: Orphan obscure ppc platforms David Gibson
2021-10-01  8:35   ` Deprecate the ppc405 boards in QEMU? (was: [PATCH v3 4/7] MAINTAINERS: Orphan obscure ppc platforms) Thomas Huth
2021-10-01  9:14     ` Christophe Leroy
2021-10-01  9:43       ` Thomas Huth
2021-10-01 11:12         ` Peter Maydell
2021-10-01 12:04           ` Thomas Huth
2021-10-01 13:04             ` Christophe Leroy
2021-10-01 13:14               ` Cédric Le Goater
2021-10-01 13:24               ` Peter Maydell
2021-10-01 14:18               ` Thomas Huth
2021-10-05  0:48                 ` David Gibson
2021-10-05  4:44                   ` Christophe Leroy
2021-10-05  6:18                     ` Alexey Kardashevskiy
2021-10-05  6:42                       ` Thomas Huth
2021-10-05  8:05                         ` Alexey Kardashevskiy
2021-10-05  8:07                           ` Thomas Huth
2021-10-05  8:51                             ` Deprecate the ppc405 boards in QEMU? Thomas Huth
2021-10-05 12:17                               ` BALATON Zoltan
2021-10-05 12:35                                 ` Thomas Huth
2021-10-05 21:53                                   ` BALATON Zoltan
2021-10-06  6:39                                     ` Thomas Huth
2021-10-06  7:25                                     ` Thomas Huth
2021-10-11  8:10                                       ` Thomas Huth
2021-10-11  9:20                                         ` David Gibson
2021-10-11 13:24                                           ` Thomas Huth
2021-10-19  9:31                                             ` Christophe Leroy
2021-10-19  9:39                                               ` Thomas Huth
2021-10-19  9:48                                                 ` Christophe Leroy
2021-10-19 10:07                                                   ` BALATON Zoltan
2021-10-19 11:11                                                     ` Thomas Huth
2021-10-19 11:51                                                       ` Christophe Leroy
2021-10-19 12:38                                                         ` BALATON Zoltan
2021-10-19 13:44                                                           ` Christophe Leroy
2021-10-19 14:24                                                             ` Christophe Leroy
2021-10-19 14:56                                                               ` BALATON Zoltan
2021-10-19 16:12                                                                 ` Christophe Leroy
2021-10-19 20:55                                                                   ` Cédric Le Goater
2021-10-19 21:30                                                                   ` Cédric Le Goater
2021-10-20  9:02                                                                     ` Christophe Leroy
2021-10-20 10:10                                                                       ` Cédric Le Goater
2021-10-20 13:27                                                                         ` LEROY Christophe
2021-10-20 14:31                                                                           ` BALATON Zoltan
2021-10-20 14:34                                                                             ` Thomas Huth
2021-10-20 14:41                                                                               ` Cédric Le Goater
2021-10-20 15:03                                                                                 ` LEROY Christophe
2021-10-20 14:39                                                                           ` Cédric Le Goater
2021-10-20 15:28                                                                             ` LEROY Christophe
2021-10-20 10:21                                                       ` Philippe Mathieu-Daudé
2021-10-20 11:40                                                         ` BALATON Zoltan
2021-10-20 10:12                                                     ` CLI: Using -bios AND -kernel Philippe Mathieu-Daudé
2021-10-20 10:54                                                       ` Thomas Huth
2021-10-20 11:35                                                         ` BALATON Zoltan
2021-10-19  9:41                                               ` Deprecate the ppc405 boards in QEMU? Greg Kurz
2021-10-05  8:14                       ` Deprecate the ppc405 boards in QEMU? (was: [PATCH v3 4/7] MAINTAINERS: Orphan obscure ppc platforms) Cédric Le Goater
2021-10-05 12:20                         ` BALATON Zoltan
2021-10-05 12:29                           ` Thomas Huth
2021-10-20 10:26                             ` Philippe Mathieu-Daudé
2021-10-20 11:42                               ` BALATON Zoltan
2021-10-20 12:43                                 ` Cédric Le Goater
2021-10-20 13:16                                   ` LEROY Christophe
2021-10-20 15:04                                     ` Simon Marchi
2021-10-21  6:48                                     ` Christophe Leroy
2021-10-21  7:25                                       ` Deprecate the ppc405 boards in QEMU? Thomas Huth
2021-10-21  8:01                                         ` Christophe Leroy
2021-10-28 12:24                                     ` Deprecate the ppc405 boards in QEMU? (was: [PATCH v3 4/7] MAINTAINERS: Orphan obscure ppc platforms) Luis Machado
2021-10-28 17:27                                       ` Christophe Leroy
2021-10-20 13:35                                   ` Deprecate the ppc405 boards in QEMU? Thomas Huth
2021-10-20 14:55                                     ` BALATON Zoltan
2021-10-20 15:04                                       ` Thomas Huth
2021-10-20 14:16                                   ` Deprecate the ppc405 boards in QEMU? (was: [PATCH v3 4/7] MAINTAINERS: Orphan obscure ppc platforms) BALATON Zoltan
2021-10-05  8:49                     ` Daniel P. Berrangé
2021-10-05 16:15                       ` Philippe Mathieu-Daudé
2021-10-05 16:20                         ` Daniel P. Berrangé
2021-10-27  4:06                           ` Philippe Mathieu-Daudé
2021-10-27  8:40                             ` Cédric Le Goater
2021-10-27 10:42                               ` Christophe Leroy
2021-10-27 10:48                                 ` Philippe Mathieu-Daudé
2021-10-27 17:03                                 ` Cédric Le Goater [this message]
2021-09-27  4:48 ` [PATCH v3 5/7] MAINTAINERS: Remove David & Greg as reviewers/co-maintainers of powernv David Gibson
2021-09-27  4:48 ` [PATCH v3 6/7] MAINTAINERS: Add information for OpenPIC David Gibson
2021-09-29  7:08   ` Mark Cave-Ayland
2021-09-27  4:48 ` [PATCH v3 7/7] MAINTAINERS: Demote sPAPR from "Supported" to "Maintained" David Gibson
2021-09-30  1:15 ` [PATCH v3 0/7] Reduce load on ppc target maintainers David Gibson
2021-10-06  9:52   ` Alexey Kardashevskiy
2021-10-06 11:03     ` Greg Kurz

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