On 08/22/2017 12:00 PM, Richard Purdie wrote:
On Tue, 2017-08-22 at 11:34 -0400, Bruce Ashfield wrote:
I can send you a v4 of the 4.12 patch in the next half an hour,
that's easiest for me to do.
.. but if it isn't for you, go ahead and do the merge and I'll
sort it out in a follow up.
The above works, I'm still trying to get to the bottom of the other
issues that are going on.
Patch sent as a v4 (although I now realize I forgot to put
v4 in the subject, only in the summary).
I can take care of the mips issue but we have one final problem:
"oe-selftest -r runqemu.RunqemuTests.test_boot_machine_iso"
is failing, it works with 4.10, fails with 4.12. Did some key
config
option for booting isos go missing?
Not that I'm aware of, but I admit that I've never done any ISO
booting of the images so wouldn't see it.
I'll diff the configs here and see if anything jumps out. Otherwise,
I'll do a boot test myself and debug from there.
After running the failing test case, I was able to manually boot with:
tmp/work/x86_64-linux/qemu-helper-native/1.0-r1/recipe-sysroot-native/usr/bin//qemu-system-x86_64
-device virtio-net-pci,netdev=net0,mac=52:54:00:12:34:02 -netdev
tap,id=net0,ifname=tap0,script=no,downscript=no -cdrom
tmp/deploy/images/qemux86-64/core-image-minimal-qemux86-64-20170822154904.iso
-no-reboot -vga vmware -show-cursor -usb -device usb-tablet -device
virtio-rng-pci -nographic -cpu core2duo -m 256
and then quickly "down, enter" to select the serial console option
which gave me this:
[ 4.980303] netconsole: network logging started
[ 4.980981] rtc_cmos 00:00: setting system clock to 2017-08-22 15:56:12 UTC
(1503417372)
[ 5.036130] Freeing unused kernel memory: 1440K
[ 5.036320] Write protecting the kernel read-only data: 14336k
[ 5.039206] Freeing unused kernel memory: 864K
[ 5.072281] Freeing unused kernel memory: 1232K
[ 5.173842] usb 1-1: new full-speed USB device number 2 using uhci_hcd
starting version 234
[ 5.349596] input: QEMU QEMU USB Tablet as
/devices/pci0000:00/0000:00:01.2/usb1/1-1/1-1:1.0/0003:0627:0001.0001/input/input4
[ 5.361353] hid-generic 0003:0627:0001.0001: input: USB HID v0.01 Mouse
[QEMU QEMU USB Tablet] on usb-0000:00:01.2-1/input0
[ 5.504201] input: ImExPS/2 Generic Explorer Mouse as
/devices/platform/i8042/serio1/input/input3
[ 6.408140] BUG: unable to handle kernel NULL pointer dereference at
(null)
[ 6.408651] IP: ide_cdrom_prep_fn+0x63/0x180
[ 6.408802] PGD beed067
[ 6.408834] P4D beed067
[ 6.408935] PUD 0
[ 6.409028]
[ 6.409251] Oops: 0002 [#1] PREEMPT SMP
[ 6.409524] Modules linked in:
[ 6.409811] CPU: 0 PID: 117 Comm: udevd Not tainted 4.12.7-yocto-standard #4
[ 6.410012] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS
rel-1.10.2-0-g5f4c7b1-prebuilt.qemu-project.org 04/01/2014
[ 6.410399] task: ffff9366cbd87080 task.stack: ffff9778c0304000
[ 6.410613] RIP: 0010:ide_cdrom_prep_fn+0x63/0x180
[ 6.410749] RSP: 0018:ffff9778c0307ad8 EFLAGS: 00000002
[ 6.410902] RAX: 0000000000000002 RBX: ffff9366cc3ef800 RCX: 0000000000000000
[ 6.411089] RDX: 0000000000000000 RSI: ffff9366cbf1ec00 RDI: 000000000000a1fc
[ 6.411318] RBP: ffff9778c0307ad8 R08: 0000000000000000 R09: 0000000000000001
[ 6.411510] R10: 0000000000000020 R11: 0000000020112a00 R12: ffff9366cbf1ec00
[ 6.411717] R13: 00000000ffffff87 R14: 00000000fffffffb R15: 0000000000000000
[ 6.411938] FS: 00007fd6fa79e300(0000) GS:ffff9366cf200000(0000)
knlGS:0000000000000000
[ 6.412153] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6.412351] CR2: 0000000000000000 CR3: 000000000beec000 CR4: 00000000000006f0
[ 6.412686] Call Trace:
[ 6.413793] blk_peek_request+0x189/0x2d0
[ 6.414010] blk_fetch_request+0x12/0x30
[ 6.414142] ? _raw_spin_unlock_irq+0x23/0x30
[ 6.414276] do_ide_request+0x37d/0x660
[ 6.414382] ? cfq_group_service_tree_add+0x94/0xc0
[ 6.414559] ? cfq_service_tree_add+0x258/0x300
[ 6.414695] ? ktime_get+0x40/0xa0
[ 6.414800] __blk_run_queue+0x33/0x40
[ 6.414908] queue_unplugged+0x2f/0xc0
[ 6.415017] blk_flush_plug_list+0x1f9/0x240
[ 6.415138] blk_finish_plug+0x2c/0x40
[ 6.415255] __do_page_cache_readahead+0x1bd/0x260
[ 6.415408] force_page_cache_readahead+0xb5/0x110
[ 6.415550] ? force_page_cache_readahead+0xb5/0x110
[ 6.415687] page_cache_sync_readahead+0x3f/0x50
[ 6.415815] generic_file_read_iter+0x54b/0x700
[ 6.415965] blkdev_read_iter+0x35/0x40
[ 6.416085] __vfs_read+0xbf/0x110
[ 6.416182] vfs_read+0x8e/0x110
[ 6.416279] SyS_read+0x46/0xb0
[ 6.416369] ? SyS_lseek+0x87/0xb0
[ 6.416469] entry_SYSCALL_64_fastpath+0x1a/0xa5
[ 6.416747] RIP: 0033:0x7fd6f9b06891
[ 6.416854] RSP: 002b:00007fff59e50a08 EFLAGS: 00000246 ORIG_RAX:
0000000000000000
[ 6.417057] RAX: ffffffffffffffda RBX: 00007fff59e4f950 RCX: 00007fd6f9b06891
[ 6.417248] RDX: 0000000000000200 RSI: 00007fff59e50ac0 RDI: 000000000000000c
[ 6.417439] RBP: 00007fff59e4f950 R08: 0000000000000000 R09: 00007fd6f98751c0
[ 6.417643] R10: 000000000000006d R11: 0000000000000246 R12: 00007fff59e509d8
[ 6.417832] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 6.418057] Code: 2f 01 00 00 b9 01 00 00 00 bf 01 00 00 00 48 8b 46 60 48 99 48
f7 ff 48 89 c7 8b 46 58 31 d2 c1 e8 09 f7 f1 48 8b 8e 50 01 00 00 <48> c7 01 00
00 00 00 48 c7 41 08 00 00 00 00 f6 46 44 01 48 8b
[ 6.418825] RIP: ide_cdrom_prep_fn+0x63/0x180 RSP: ffff9778c0307ad8
[ 6.419017] CR2: 0000000000000000
[ 6.419324] ---[ end trace dd02c5282d34fc7b ]---
[ 6.419558] note: udevd[117] exited with preempt_count 1
Waiting for removable media...
Something in the IDE CDROM driver?
I keep getting sent changes to drop IDE support completely, but
they aren't in play here, I'm still waiting on a 4.10 linux-yocto
to configure so I can diff the .configs and fire up some comparison
boot tests.
Bruce
Cheers,
Richard
--
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