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Hash: SHA1
On 13/04/12 15:19, Steven Newbury wrote:
> On 13/04/12 15:13, Daniel Vetter wrote:
>> On Fri, Apr 13, 2012 at 03:08:36PM +0100, Steven Newbury wrote:
>>> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
>>>
>>> On 13/04/12 14:52, Steven Newbury wrote:
>>>> On Fri, 13 Apr 2012, 14:26:19 BST, Steven Newbury
>>>> <[email protected]> wrote:
>>>>
>>>>> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
>>>>>
>>>>> On 13/04/12 13:49, Steven Newbury wrote:
>>>>>> On 13/04/12 12:58, Steven Newbury wrote:
>>>>>>
>>>>>>>> It's not stable, crashes soon after GMA comes up.
>>>>>>>> (Could be unrelated breakage in linus/master?
>>>>>>>> Probably not but I will verify.) I noticed the
>>>>>>>> high allocations are occuring from the top of 64-bit
>>>>>>>> address-space, whilst /proc/cpuinfo shows only 48
>>>>>>>> bits of virtual addressing. Could that be why..?
>>>>>>> To reply to myself again, I should have said crashes
>>>>>>> shortly after Xorg initialises using the intel driver,
>>>>>>> in both cases! I'm building a kernel now without the
>>>>>>> patch set to see if it's unrelated. If it still dies
>>>>>>> I'll try applying your patch set to a branch without
>>>>>>> the changes from linus/master... (should have done that
>>>>>>> anyway...)
>>>>>>
>>>>>> Okay, I instead created a branch from an older 3.4-rc1+
>>>>>> kernel tree, running it now, and it seems to be stable.
>>>>>> Something perhaps in the newer tree not playing nicely.
>>>>>> I'll see if I can bisect it, or at least base of rc2 if
>>>>>> that works... (I'm a little wary of crashing the system
>>>>>> too much and losing my btrfs filesystem...)
>>>>> rc2 is fine as well. Not sure what happened there, I
>>>>> need to be more careful about keeping a clean tree to work
>>>>> from.
>>>> I'm pretty sure the crash was a from a drm-next regression.
>>>> I'll try bisecting it....
>>> Sorry, posted too soon! Almost as I clicked on send it froze
>>> again (using rc2 + for-pci-res-alloc ). I had problems with
>>> the earlier patches re. X/i915 stability. Strange. I'll see
>>> if I can track it down.
>
>> Please upgrade to the latest version of Linus' upstream git. A
>> few fixes for regressions in drm/i915 just landed there for -rc3.
>> -Daniel
>
> Okay. I'll try clean latest linus + for-pci-res-alloc. Will
> report back.
>
Looks like either a btrfs regression or bad interaction with
for-pci-res-alloc. Oops attached.
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Apr 13 15:10:02 infinity kernel: BUG: unable to handle kernel NULL pointer
dereference at (null)
Apr 13 15:10:02 infinity kernel: IP: [<ffffffffa02778d0>]
find_workspace+0x92/0x190 [btrfs]
Apr 13 15:10:02 infinity kernel: PGD 7bfb2067 PUD d8978067 PMD 0
Apr 13 15:10:02 infinity kernel: Oops: 0000 [#1] SMP
Apr 13 15:10:02 infinity kernel: CPU 1
Apr 13 15:10:02 infinity kernel: Modules linked in: cryptd aes_x86_64
aes_generic fuse fbcon bitblit fbcon_rotate fbcon_ccw fbcon_ud fbcon_cw
softcursor font tileblit joydev arc4 dell_wmi sparse_keymap 8250_pnp
dell_laptop dcdbas btusb bluetooth snd_hda_codec_idt crc16 microcode psmouse
pcspkr iwl4965 iwlegacy snd_hda_intel mac80211 snd_hda_codec snd_hwdep tg3
snd_pcm cfg80211 snd_page_alloc snd_timer snd soundcore wmi 8250 serial_core
evdev smsc47m192 hwmon_vid tpm_tis tpm tpm_bios rfkill loop nfs nfs_acl
auth_rpcgss fscache lockd sunrpc phc_intel mperf coretemp hwmon autofs4
usb_storage usb_libusual uas btrfs zlib_deflate sd_mod pata_acpi ahci libahci
ata_piix libata scsi_mod ehci_hcd uhci_hcd usbcore usb_common i915 video
intel_agp intel_gtt cfbfillrect cfbimgblt cfbcopyarea i2c_algo_bit backlight
drm_kms_helper drm agpgart
Apr 13 15:10:02 infinity kernel:
Apr 13 15:10:02 infinity kernel: Pid: 2591, comm: btrfs-endio-2 Not tainted
3.4.0-rc2-wl-00669-g502ad46 #110 Dell Inc. Latitude D830
/0HN341
Apr 13 15:10:02 infinity kernel: RIP: 0010:[<ffffffffa02778d0>]
[<ffffffffa02778d0>] find_workspace+0x92/0x190 [btrfs]
Apr 13 15:10:02 infinity kernel: RSP: 0018:ffff880078e7fcc0 EFLAGS: 00010207
Apr 13 15:10:02 infinity kernel: RAX: 0000000000000000 RBX: 0000000000000003
RCX: ffff88007bde9000
Apr 13 15:10:02 infinity kernel: RDX: ffffffffa029d500 RSI: dead000000200200
RDI: ffffffffa029d4f6
Apr 13 15:10:02 infinity kernel: RBP: ffff880078e7fd50 R08: 0000000000000008
R09: 0000000000004000
Apr 13 15:10:02 infinity kernel: R10: 0000000000000200 R11: 0000000000000200
R12: ffff880078e7fcf8
Apr 13 15:10:02 infinity kernel: R13: ffffffffa029d504 R14: ffffffffa029d4f6
R15: ffff880078e7fd10
Apr 13 15:10:02 infinity kernel: FS: 0000000000000000(0000)
GS:ffff88011fd00000(0000) knlGS:0000000000000000
Apr 13 15:10:02 infinity kernel: CS: 0010 DS: 0000 ES: 0000 CR0:
000000008005003b
Apr 13 15:10:02 infinity kernel: CR2: 0000000000000000 CR3: 000000007bfe6000
CR4: 00000000000007e0
Apr 13 15:10:02 infinity kernel: DR0: 0000000000000000 DR1: 0000000000000000
DR2: 0000000000000000
Apr 13 15:10:02 infinity kernel: DR3: 0000000000000000 DR6: 00000000ffff0ff0
DR7: 0000000000000400
Apr 13 15:10:02 infinity kernel: Process btrfs-endio-2 (pid: 2591, threadinfo
ffff880078e7e000, task ffff880119880000)
Apr 13 15:10:02 infinity kernel: Stack:
Apr 13 15:10:02 infinity kernel: ffff880078e7fcd0 ffffffff810bcacf
ffff880119880000 ffffffffa029d500
Apr 13 15:10:02 infinity kernel: 0000000200000003 ffffffffa029d548
ffff880078e7fd00 ffffffff811a1060
Apr 13 15:10:02 infinity kernel: ffff880078e7fd20 ffffffff811764f9
0000000000000200 ffff880078e7fd40
Apr 13 15:10:02 infinity kernel: Call Trace:
Apr 13 15:10:02 infinity kernel: [<ffffffff810bcacf>] ?
mempool_free_slab+0x17/0x19
Apr 13 15:10:02 infinity kernel: [<ffffffff811a1060>] ? __crc32c_le+0x10/0x12
Apr 13 15:10:02 infinity kernel: [<ffffffff811764f9>] ? chksum_update+0x19/0x24
Apr 13 15:10:02 infinity kernel: [<ffffffffa02785ee>]
btrfs_decompress_biovec+0x2b/0x7c [btrfs]
Apr 13 15:10:02 infinity kernel: [<ffffffffa027874e>]
end_compressed_bio_read+0x10f/0x19d [btrfs]
Apr 13 15:10:02 infinity kernel: [<ffffffff81123ccd>] bio_endio+0x2d/0x2f
Apr 13 15:10:02 infinity kernel: [<ffffffffa023beb2>]
end_workqueue_fn+0x38/0x3d [btrfs]
Apr 13 15:10:02 infinity kernel: [<ffffffffa02696f8>] worker_loop+0x16e/0x4a2
[btrfs]
Apr 13 15:10:02 infinity kernel: [<ffffffffa026958a>] ?
btrfs_queue_worker+0x281/0x281 [btrfs]
Apr 13 15:10:02 infinity kernel: [<ffffffff8104c0e6>] kthread+0x8b/0x93
Apr 13 15:10:02 infinity kernel: [<ffffffff8136b734>]
kernel_thread_helper+0x4/0x10
Apr 13 15:10:02 infinity kernel: [<ffffffff8104c05b>] ?
kthread_freezable_should_stop+0x48/0x48
Apr 13 15:10:02 infinity kernel: [<ffffffff8136b730>] ? gs_change+0xb/0xb
Apr 13 15:10:02 infinity kernel: Code: 65 48 8b 04 25 80 b8 00 00 48 89 45 80
4c 89 f7 e8 be 20 0f e1 48 8b 55 88 48 8b 02 48 39 d0 74 3d 48 be 00 02 20 00
00 00 ad de <48> 8b 08 48 8b 50 08 48 89 51 08 48 89 0a 48 b9 00 01 10 00 00
Apr 13 15:10:02 infinity kernel: RIP [<ffffffffa02778d0>]
find_workspace+0x92/0x190 [btrfs]
Apr 13 15:10:02 infinity kernel: RSP <ffff880078e7fcc0>
Apr 13 15:10:02 infinity kernel: CR2: 0000000000000000
Apr 13 15:10:02 infinity kernel: ---[ end trace 2e6b178742035e68 ]---
Apr 13 15:10:07 infinity kernel: ICMPv6 RA: ndisc_router_discovery() failed to
add default route.
Apr 13 15:10:17 infinity NetworkManager[1019]: nm_ip6_config_add_nameserver:
assertion `IN6_ARE_ADDR_EQUAL (nameserver, &nameservers[i]) == FALSE' failed
Apr 13 15:10:22 infinity NetworkManager[1019]: nm_ip6_config_add_nameserver:
assertion `IN6_ARE_ADDR_EQUAL (nameserver, &nameservers[i]) == FALSE' failed
Apr 13 15:10:22 infinity NetworkManager[1019]: <info> Clearing nscd hosts cache.
Apr 13 15:10:22 infinity NetworkManager[1019]: <info> Clearing nscd hosts cache.
Apr 13 15:10:22 infinity NetworkManager[1019]: <info> Policy set
'snewbury.org.uk' (wlan0) as default for IPv4 routing and DNS.
Apr 13 15:10:22 infinity NetworkManager[1019]: <info> Policy set
'snewbury.org.uk' (wlan0) as default for IPv6 routing and DNS.
Apr 13 15:10:22 infinity NetworkManager[1019]: nm_ip6_config_add_nameserver:
assertion `IN6_ARE_ADDR_EQUAL (nameserver, &nameservers[i]) == FALSE' failed
Apr 13 15:10:41 infinity NetworkManager[1019]: nm_ip6_config_add_nameserver:
assertion `IN6_ARE_ADDR_EQUAL (nameserver, &nameservers[i]) == FALSE' failed
Apr 13 15:10:47 infinity NetworkManager[1019]: nm_ip6_config_add_nameserver:
assertion `IN6_ARE_ADDR_EQUAL (nameserver, &nameservers[i]) == FALSE' failed
Apr 13 15:11:03 infinity kernel: INFO: rcu_sched self-detected stall on CPU {
1} (t=60000 jiffies)
Apr 13 15:11:03 infinity kernel: Pid: 819, comm: btrfs-endio-2 Tainted: G
D 3.4.0-rc2-wl-00669-g502ad46 #110
Apr 13 15:11:03 infinity kernel: Call Trace:
Apr 13 15:11:03 infinity kernel: <IRQ> [<ffffffff81093d0f>]
__rcu_pending+0xc2/0x3c4
Apr 13 15:11:03 infinity kernel: [<ffffffff8109403a>] rcu_pending+0x29/0x5a
Apr 13 15:11:03 infinity kernel: [<ffffffff81094686>]
rcu_check_callbacks+0x57/0x76
Apr 13 15:11:03 infinity kernel: [<ffffffff8103e5a1>]
update_process_times+0x3f/0x76
Apr 13 15:11:03 infinity kernel: [<ffffffff8106ed0f>] tick_sched_timer+0x70/0x90
Apr 13 15:11:03 infinity kernel: [<ffffffff8104f401>] __run_hrtimer+0xad/0x151
Apr 13 15:11:03 infinity kernel: [<ffffffff8106ec9f>] ?
tick_nohz_handler+0xce/0xce
Apr 13 15:11:03 infinity kernel: [<ffffffff8104fb6c>]
hrtimer_interrupt+0xe0/0x19d
Apr 13 15:11:03 infinity kernel: [<ffffffff8136bf7c>]
smp_apic_timer_interrupt+0x77/0x8a
Apr 13 15:11:03 infinity kernel: [<ffffffff8136b0c7>]
apic_timer_interrupt+0x67/0x70
Apr 13 15:11:03 infinity kernel: <EOI> [<ffffffff81073e3f>] ?
do_raw_spin_lock+0x17/0x1d
Apr 13 15:11:03 infinity kernel: [<ffffffff81369986>] _raw_spin_lock+0xe/0x10
Apr 13 15:11:03 infinity kernel: [<ffffffffa02778ba>] find_workspace+0x7c/0x190
[btrfs]
Apr 13 15:11:03 infinity kernel: [<ffffffff811a1060>] ? __crc32c_le+0x10/0x12
Apr 13 15:11:03 infinity kernel: [<ffffffff811764f9>] ? chksum_update+0x19/0x24
Apr 13 15:11:03 infinity kernel: [<ffffffffa02785ee>]
btrfs_decompress_biovec+0x2b/0x7c [btrfs]
Apr 13 15:11:03 infinity kernel: [<ffffffffa027874e>]
end_compressed_bio_read+0x10f/0x19d [btrfs]
Apr 13 15:11:03 infinity kernel: [<ffffffff81123ccd>] bio_endio+0x2d/0x2f
Apr 13 15:11:03 infinity kernel: [<ffffffffa023beb2>]
end_workqueue_fn+0x38/0x3d [btrfs]
Apr 13 15:11:03 infinity kernel: [<ffffffffa02696f8>] worker_loop+0x16e/0x4a2
[btrfs]
Apr 13 15:11:03 infinity kernel: [<ffffffffa026958a>] ?
btrfs_queue_worker+0x281/0x281 [btrfs]
Apr 13 15:11:03 infinity kernel: [<ffffffff8104c0e6>] kthread+0x8b/0x93
Apr 13 15:11:03 infinity kernel: [<ffffffff8136b734>]
kernel_thread_helper+0x4/0x10
Apr 13 15:11:03 infinity kernel: [<ffffffff8104c05b>] ?
kthread_freezable_should_stop+0x48/0x48
Apr 13 15:11:03 infinity kernel: [<ffffffff8136b730>] ? gs_change+0xb/0xb
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