From: Yi Zhang <yi.zhang@redhat.com>
To: vishal.l.verma@intel.com, dan.j.williams@intel.com, colyli@suse.de
Cc: linux-nvdimm@lists.01.org
Subject: Re: regression on 5.9.0-rc5: mount fsdax w/o dax lead kernel panic
Date: Mon, 14 Sep 2020 14:48:12 +0800 [thread overview]
Message-ID: <6380e13d-09b8-0d15-e3ed-bd95dfd370e4@redhat.com> (raw)
In-Reply-To: <1420999447.1004543.1600055488770.JavaMail.zimbra@redhat.com>
I check the commit, seems it was introduced with bellow commit:
commit 6180bb446ab624b9ab8bf201ed251ca87f07b413
Author: Coly Li <colyli@suse.de>
Date: Fri Sep 4 00:16:25 2020 +0800
dax: fix detection of dax support for non-persistent memory block
devices
On 9/14/20 11:51 AM, Yi Zhang wrote:
> Hi
>
> Could you help check this regression, let me know if you need more info/testing, thanks.
>
> Reproducer:
> # ndctl create-namespace -f -e namespace1.0 -m fsdax
> {
> "dev":"namespace1.0",
> "mode":"fsdax",
> "map":"dev",
> "size":"15.75 GiB (16.91 GB)",
> "uuid":"069a6b5c-917e-4c6c-a277-01fd8574ccb3",
> "sector_size":512,
> "align":2097152,
> "blockdev":"pmem1"
> }
> # mkfs.ext4 /dev/pmem1
> # mount /dev/pmem1 /mnt ---> panic here
>
>
> kernel log:
> [ 1363.513242] BUG: stack guard page was hit at 00000000118cab51 (stack is 00000000548b8b77..000000005363ed26)
> [ 1363.513242] kernel stack overflow (double-fault): 0000 [#1] SMP NOPTI
> [ 1363.513243] CPU: 22 PID: 14682 Comm: mount Tainted: G S I 5.9.0-rc5 #1
> [ 1363.513243] Hardware name: Dell Inc. PowerEdge R640/06NR82, BIOS 2.8.1 06/26/2020
> [ 1363.513243] RIP: 0010:igrab+0x14/0x50
> [ 1363.513244] Code: 62 07 8c 00 85 c0 74 c6 83 f8 01 75 cd eb cd 0f 1f 80 00 00 00 00 0f 1f 44 00 00 55 48 8d af 88 00 00 00 53 48 89 fb 48 89 ef <e8> 27 65 64 00 f6 83 98 00 00 00 30 75 17 f0 ff 83 58 01 00 00 48
> [ 1363.513244] RSP: 0018:ffffa700c0e0c000 EFLAGS: 00010246
> [ 1363.513245] RAX: 0000000000000000 RBX: ffff95b69e415a10 RCX: 0000000000000001
> [ 1363.513245] RDX: 0000000000000000 RSI: ffff95a946a406b8 RDI: ffff95b69e415a98
> [ 1363.513245] RBP: ffff95b69e415a98 R08: 0000000500000000 R09: 8080808080808080
> [ 1363.513245] R10: 0000000000000000 R11: fefefefefefefeff R12: 0000000000000001
> [ 1363.513246] R13: ffff95b69e415a00 R14: 0000000000000000 R15: ffff95b79f4d3800
> [ 1363.513246] FS: 00007fbe9b823080(0000) GS:ffff95b87ff80000(0000) knlGS:0000000000000000
> [ 1363.513246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 1363.513246] CR2: ffffa700c0e0bff8 CR3: 0000000ffec46002 CR4: 00000000007706e0
> [ 1363.513247] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [ 1363.513247] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> [ 1363.513247] PKRU: 55555554
> [ 1363.513247] Call Trace:
> [ 1363.513247] dax_get_by_host+0x7c/0xd0
> [ 1363.513247] __bdev_dax_supported+0x72/0x170
> [ 1363.513248] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513248] __bdev_dax_supported+0xd0/0x170
> [ 1363.513248] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513248] __bdev_dax_supported+0xd0/0x170
> [ 1363.513248] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513249] __bdev_dax_supported+0xd0/0x170
> [ 1363.513249] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513249] __bdev_dax_supported+0xd0/0x170
> [ 1363.513249] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513249] __bdev_dax_supported+0xd0/0x170
> [ 1363.513250] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513250] __bdev_dax_supported+0xd0/0x170
> [ 1363.513250] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513250] __bdev_dax_supported+0xd0/0x170
> [ 1363.513250] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513250] __bdev_dax_supported+0xd0/0x170
> [ 1363.513251] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513251] __bdev_dax_supported+0xd0/0x170
> [ 1363.513251] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513251] __bdev_dax_supported+0xd0/0x170
> [ 1363.513251] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513252] __bdev_dax_supported+0xd0/0x170
> [ 1363.513252] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513252] __bdev_dax_supported+0xd0/0x170
> [ 1363.513252] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513252] __bdev_dax_supported+0xd0/0x170
> [ 1363.513252] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513253] __bdev_dax_supported+0xd0/0x170
> [ 1363.513253] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513253] __bdev_dax_supported+0xd0/0x170
> [ 1363.513253] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513253] __bdev_dax_supported+0xd0/0x170
> [ 1363.513254] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513254] __bdev_dax_supported+0xd0/0x170
> [ 1363.513254] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513254] __bdev_dax_supported+0xd0/0x170
> [ 1363.513254] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513254] __bdev_dax_supported+0xd0/0x170
> [ 1363.513255] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513255] __bdev_dax_supported+0xd0/0x170
> [ 1363.513255] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513255] __bdev_dax_supported+0xd0/0x170
> [ 1363.513255] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513255] __bdev_dax_supported+0xd0/0x170
> [ 1363.513256] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513256] __bdev_dax_supported+0xd0/0x170
> [ 1363.513256] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513256] __bdev_dax_supported+0xd0/0x170
> [ 1363.513256] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513257] __bdev_dax_supported+0xd0/0x170
> [ 1363.513257] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513257] __bdev_dax_supported+0xd0/0x170
> [ 1363.513257] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513257] __bdev_dax_supported+0xd0/0x170
> [ 1363.513257] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513258] __bdev_dax_supported+0xd0/0x170
> [ 1363.513258] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513258] __bdev_dax_supported+0xd0/0x170
> [ 1363.513258] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513258] __bdev_dax_supported+0xd0/0x170
> [ 1363.513259] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513259] __bdev_dax_supported+0xd0/0x170
> [ 1363.513259] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513259] __bdev_dax_supported+0xd0/0x170
> [ 1363.513259] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513259] __bdev_dax_supported+0xd0/0x170
> [ 1363.513260] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513260] __bdev_dax_supported+0xd0/0x170
> [ 1363.513260] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513260] __bdev_dax_supported+0xd0/0x170
> [ 1363.513260] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513261] __bdev_dax_supported+0xd0/0x170
> [ 1363.513261] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513261] __bdev_dax_supported+0xd0/0x170
> [ 1363.513261] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513261] __bdev_dax_supported+0xd0/0x170
> [ 1363.513261] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513262] __bdev_dax_supported+0xd0/0x170
> [ 1363.513262] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513262] __bdev_dax_supported+0xd0/0x170
> [ 1363.513262] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513262] __bdev_dax_supported+0xd0/0x170
> [ 1363.513263] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513263] __bdev_dax_supported+0xd0/0x170
> [ 1363.513263] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513263] __bdev_dax_supported+0xd0/0x170
> [ 1363.513263] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513263] __bdev_dax_supported+0xd0/0x170
> [ 1363.513264] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513264] __bdev_dax_supported+0xd0/0x170
> [ 1363.513264] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513264] __bdev_dax_supported+0xd0/0x170
> [ 1363.513264] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513264] __bdev_dax_supported+0xd0/0x170
> [ 1363.513265] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513265] __bdev_dax_supported+0xd0/0x170
> [ 1363.513265] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513265] __bdev_dax_supported+0xd0/0x170
> [ 1363.513265] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513266] __bdev_dax_supported+0xd0/0x170
> [ 1363.513266] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513266] __bdev_dax_supported+0xd0/0x170
> [ 1363.513266] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513266] __bdev_dax_supported+0xd0/0x170
> [ 1363.513266] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513267] __bdev_dax_supported+0xd0/0x170
> [ 1363.513267] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513267] __bdev_dax_supported+0xd0/0x170
> [ 1363.513267] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513267] __bdev_dax_supported+0xd0/0x170
> [ 1363.513268] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513268] __bdev_dax_supported+0xd0/0x170
> [ 1363.513268] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513268] __bdev_dax_supported+0xd0/0x170
> [ 1363.513268] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513268] __bdev_dax_supported+0xd0/0x170
> [ 1363.513269] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513269] __bdev_dax_supported+0xd0/0x170
> [ 1363.513269] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513269] __bdev_dax_supported+0xd0/0x170
> [ 1363.513269] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513270] __bdev_dax_supported+0xd0/0x170
> [ 1363.513270] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513270] __bdev_dax_supported+0xd0/0x170
> [ 1363.513270] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513270] __bdev_dax_supported+0xd0/0x170
> [ 1363.513270] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513271] __bdev_dax_supported+0xd0/0x170
> [ 1363.513271] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513271] __bdev_dax_supported+0xd0/0x170
> [ 1363.513271] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513271] ? drain_obj_stock.isra.71+0x60/0x80
> [ 1363.513272] ? prep_new_page+0xb1/0xe0
> [ 1363.513272] __bdev_dax_supported+0xd0/0x170
> [ 1363.513272] ? get_partial_node.isra.87.part.88+0x14c/0x260
> [ 1363.513272] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513272] ? __mod_memcg_lruvec_state+0x21/0x100
> [ 1363.513273] __bdev_dax_supported+0xd0/0x170
> [ 1363.513273] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513273] __bdev_dax_supported+0xd0/0x170
> [ 1363.513273] __generic_fsdax_supported+0x8c/0x500
> [ 1363.513273] ? _cond_resched+0x15/0x30
> [ 1363.513273] ? __kmalloc_node+0x4df/0x510
> [ 1363.513274] ? crypto_create_tfm_node+0x3a/0xf0
> [ 1363.513274] __bdev_dax_supported+0xd0/0x170
> [ 1363.513274] ext4_fill_super+0x719/0x31c0 [ext4]
> [ 1363.513274] ? bdev_name.isra.9+0x63/0xd0
> [ 1363.513274] ? vsnprintf+0x37c/0x520
> [ 1363.513275] ? ext4_calculate_overhead+0x490/0x490 [ext4]
> [ 1363.513275] ? mount_bdev+0x185/0x1b0
> [ 1363.513275] mount_bdev+0x185/0x1b0
> [ 1363.513275] legacy_get_tree+0x27/0x40
> [ 1363.513275] vfs_get_tree+0x25/0xb0
> [ 1363.513275] path_mount+0x676/0x980
> [ 1363.513276] do_mount+0x75/0x90
> [ 1363.513276] __x64_sys_mount+0xc4/0xe0
> [ 1363.513276] do_syscall_64+0x33/0x40
> [ 1363.513276] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [ 1363.513276] RIP: 0033:0x7fbe9a85da8e
> [ 1363.513277] Code: 48 8b 0d fd f3 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d ca f3 2b 00 f7 d8 64 89 01 48
> [ 1363.513277] RSP: 002b:00007fffc4274d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
> [ 1363.513278] RAX: ffffffffffffffda RBX: 00005557f8a14460 RCX: 00007fbe9a85da8e
> [ 1363.513278] RDX: 00005557f8a14640 RSI: 00005557f8a14680 RDI: 00005557f8a14660
> [ 1363.513278] RBP: 00007fbe9b609184 R08: 0000000000000000 R09: 0000000000000003
> [ 1363.513278] R10: 00000000c0ed0000 R11: 0000000000000246 R12: 0000000000000000
> [ 1363.513279] R13: 00000000c0ed0000 R14: 00005557f8a14660 R15: 00005557f8a14640
> [ 1363.513279] Modules linked in: ext4 mbcache jbd2 rpcsec_gss_krb5 auth_rpcgss nfsv4 dns_resolver nfs lockd grace fscache rfkill sunrpc vfat fat dm_multipath intel_rapl_msr intel_rapl_common isst_if_common skx_edac x86_pkg_temp_thermal intel_powerclamp ipmi_ssif coretemp kvm_intel mgag200 i2c_algo_bit kvm drm_kms_helper iTCO_wdt iTCO_vendor_support syscopyarea sysfillrect dcdbas sysimgblt fb_sys_fops irqbypass crct10dif_pclmul drm crc32_pclmul ghash_clmulni_intel acpi_ipmi rapl ipmi_si intel_cstate mei_me dell_smbios i2c_i801 ipmi_devintf dax_pmem_compat intel_uncore mei wmi_bmof dell_wmi_descripto
> [ 1363.513285] Lost 29 message(s)!
> [ 1364.493871] ---[ end trace d756ed97f26ed4e7 ]---
> [ 1364.493872] RIP: 0010:igrab+0x14/0x50
> [ 1364.493872] Code: 62 07 8c 00 85 c0 74 c6 83 f8 01 75 cd eb cd 0f 1f 80 00 00 00 00 0f 1f 44 00 00 55 48 8d af 88 00 00 00 53 48 89 fb 48 89 ef <e8> 27 65 64 00 f6 83 98 00 00 00 30 75 17 f0 ff 83 58 01 00 00 48
> [ 1364.493873] RSP: 0018:ffffa700c0e0c000 EFLAGS: 00010246
> [ 1364.493873] RAX: 0000000000000000 RBX: ffff95b69e415a10 RCX: 0000000000000001
> [ 1364.493873] RDX: 0000000000000000 RSI: ffff95a946a406b8 RDI: ffff95b69e415a98
> [ 1364.493874] RBP: ffff95b69e415a98 R08: 0000000500000000 R09: 8080808080808080
> [ 1364.493874] R10: 0000000000000000 R11: fefefefefefefeff R12: 0000000000000001
> [ 1364.493874] R13: ffff95b69e415a00 R14: 0000000000000000 R15: ffff95b79f4d3800
> [ 1364.493874] FS: 00007fbe9b823080(0000) GS:ffff95b87ff80000(0000) knlGS:0000000000000000
> [ 1364.493875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 1364.493875] CR2: ffffa700c0e0bff8 CR3: 0000000ffec46002 CR4: 00000000007706e0
> [ 1364.493875] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
> [ 1364.493875] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
> [ 1364.493875] PKRU: 55555554
> [ 1364.493876] Kernel panic - not syncing: Fatal exception in interrupt
> [ 1364.979497] Kernel Offset: 0x12600000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
>
> Best Regards,
> Yi Zhang
>
> _______________________________________________
> Linux-nvdimm mailing list -- linux-nvdimm@lists.01.org
> To unsubscribe send an email to linux-nvdimm-leave@lists.01.org
>
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next prev parent reply other threads:[~2020-09-14 6:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <104518616.1004145.1600054672621.JavaMail.zimbra@redhat.com>
2020-09-14 3:51 ` regression on 5.9.0-rc5: mount fsdax w/o dax lead kernel panic Yi Zhang
2020-09-14 6:48 ` Yi Zhang [this message]
2020-09-17 17:38 ` Ira Weiny
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