* assertation failures in generic/388
@ 2021-01-18 19:25 Christoph Hellwig
2021-01-18 20:01 ` Brian Foster
0 siblings, 1 reply; 3+ messages in thread
From: Christoph Hellwig @ 2021-01-18 19:25 UTC (permalink / raw)
To: linux-xfs
Hi all,
latest Linus' tree crashes every few runs for me when running on x86_64,
4k block size, virtio-blk, CONFIG_XFS_DEBUG enabled:
Dmesg:
[ 93.950923] XFS: Assertion failed: percpu_counter_compare(&mp->m_ifree, 0) >5
[ 93.953038] ------------[ cut here ]------------
[ 93.953688] kernel BUG at fs/xfs/xfs_message.c:110!
[ 93.954960] invalid opcode: 0000 [#1] PREEMPT SMP PTI
[ 93.955765] CPU: 2 PID: 5064 Comm: fsstress Not tainted 5.11.0-rc4 #445
[ 93.956857] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.144
[ 93.958310] RIP: 0010:assfail+0x1e/0x23
[ 93.958912] Code: a0 87 04 83 e8 85 fc ff ff 0f 0b c3 41 89 c8 48 89 d1 48 84
[ 93.962114] RSP: 0018:ffffc90002dc3a40 EFLAGS: 00010202
[ 93.962828] RAX: 0000000000000000 RBX: ffff88810ce39000 RCX: 0000000000000000
[ 93.963809] RDX: 00000000ffffffc0 RSI: 0000000000000000 RDI: ffffffff82fb4471
[ 93.964799] RBP: ffff88810d7d0258 R08: 0000000000000000 R09: 000000000000000a
[ 93.965764] R10: 000000000000000a R11: f000000000000000 R12: 0000000000000000
[ 93.966698] R13: ffff88810ce39520 R14: ffffffffffffffff R15: ffff88810d7d0310
[ 93.967593] FS: 00007fd84a28db80(0000) GS:ffff88813bd00000(0000) knlGS:00000
[ 93.968605] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 93.969354] CR2: 00007fd84a492000 CR3: 000000010d7da000 CR4: 00000000000006e0
[ 93.970290] Call Trace:
[ 93.970607] xfs_trans_unreserve_and_mod_sb+0x1ed/0x270
[ 93.971423] xfs_log_commit_cil+0x598/0xac0
[ 93.972222] __xfs_trans_commit+0xbe/0x3e0
[ 93.972820] xfs_create+0x551/0x630
[ 93.973333] xfs_generic_create+0x240/0x320
[ 93.973941] ? d_splice_alias+0x169/0x490
[ 93.974473] lookup_open.isra.0+0x2da/0x610
[ 93.975011] path_openat+0x261/0x920
[ 93.975466] do_filp_open+0x83/0x130
[ 93.975922] ? _raw_spin_unlock+0x24/0x40
[ 93.976434] ? alloc_fd+0xf1/0x1e0
[ 93.976917] do_sys_openat2+0x92/0x150
[ 93.977558] __x64_sys_creat+0x44/0x60
[ 93.978125] do_syscall_64+0x33/0x40
[ 93.978585] entry_SYSCALL_64_after_hwframe+0x44/0xa9
[ 93.979241] RIP: 0033:0x7fd84a379cc4
[ 93.979717] Code: 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 4c
[ 93.982051] RSP: 002b:00007ffe6f490268 EFLAGS: 00000246 ORIG_RAX: 00000000005
[ 93.983068] RAX: ffffffffffffffda RBX: 0000000000000047 RCX: 00007fd84a379cc4
[ 93.984079] RDX: 0000000000000000 RSI: 00000000000001b6 RDI: 0000559463b37ff0
[ 93.984993] RBP: 00007ffe6f4903d0 R08: fefefefefefefeff R09: fefeff36ff603365
[ 93.985916] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000001b6
[ 93.986935] R13: 0000000000000001 R14: 00007ffe6f490470 R15: 00005594625041c0
[ 93.987971] Modules linked in:
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: assertation failures in generic/388
2021-01-18 19:25 assertation failures in generic/388 Christoph Hellwig
@ 2021-01-18 20:01 ` Brian Foster
2021-01-19 7:28 ` Christoph Hellwig
0 siblings, 1 reply; 3+ messages in thread
From: Brian Foster @ 2021-01-18 20:01 UTC (permalink / raw)
To: Christoph Hellwig; +Cc: linux-xfs
On Mon, Jan 18, 2021 at 07:25:47PM +0000, Christoph Hellwig wrote:
> Hi all,
>
> latest Linus' tree crashes every few runs for me when running on x86_64,
> 4k block size, virtio-blk, CONFIG_XFS_DEBUG enabled:
>
> Dmesg:
> [ 93.950923] XFS: Assertion failed: percpu_counter_compare(&mp->m_ifree, 0) >5
This is likely fixed by the first patch [1] in my log covering rework
series. generic/388 was recently modified to reproduce.
Brian
[1] https://lore.kernel.org/linux-xfs/20210106174127.805660-2-bfoster@redhat.com/
> [ 93.953038] ------------[ cut here ]------------
> [ 93.953688] kernel BUG at fs/xfs/xfs_message.c:110!
> [ 93.954960] invalid opcode: 0000 [#1] PREEMPT SMP PTI
> [ 93.955765] CPU: 2 PID: 5064 Comm: fsstress Not tainted 5.11.0-rc4 #445
> [ 93.956857] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.144
> [ 93.958310] RIP: 0010:assfail+0x1e/0x23
> [ 93.958912] Code: a0 87 04 83 e8 85 fc ff ff 0f 0b c3 41 89 c8 48 89 d1 48 84
> [ 93.962114] RSP: 0018:ffffc90002dc3a40 EFLAGS: 00010202
> [ 93.962828] RAX: 0000000000000000 RBX: ffff88810ce39000 RCX: 0000000000000000
> [ 93.963809] RDX: 00000000ffffffc0 RSI: 0000000000000000 RDI: ffffffff82fb4471
> [ 93.964799] RBP: ffff88810d7d0258 R08: 0000000000000000 R09: 000000000000000a
> [ 93.965764] R10: 000000000000000a R11: f000000000000000 R12: 0000000000000000
> [ 93.966698] R13: ffff88810ce39520 R14: ffffffffffffffff R15: ffff88810d7d0310
> [ 93.967593] FS: 00007fd84a28db80(0000) GS:ffff88813bd00000(0000) knlGS:00000
> [ 93.968605] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 93.969354] CR2: 00007fd84a492000 CR3: 000000010d7da000 CR4: 00000000000006e0
> [ 93.970290] Call Trace:
> [ 93.970607] xfs_trans_unreserve_and_mod_sb+0x1ed/0x270
> [ 93.971423] xfs_log_commit_cil+0x598/0xac0
> [ 93.972222] __xfs_trans_commit+0xbe/0x3e0
> [ 93.972820] xfs_create+0x551/0x630
> [ 93.973333] xfs_generic_create+0x240/0x320
> [ 93.973941] ? d_splice_alias+0x169/0x490
> [ 93.974473] lookup_open.isra.0+0x2da/0x610
> [ 93.975011] path_openat+0x261/0x920
> [ 93.975466] do_filp_open+0x83/0x130
> [ 93.975922] ? _raw_spin_unlock+0x24/0x40
> [ 93.976434] ? alloc_fd+0xf1/0x1e0
> [ 93.976917] do_sys_openat2+0x92/0x150
> [ 93.977558] __x64_sys_creat+0x44/0x60
> [ 93.978125] do_syscall_64+0x33/0x40
> [ 93.978585] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> [ 93.979241] RIP: 0033:0x7fd84a379cc4
> [ 93.979717] Code: 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 4c
> [ 93.982051] RSP: 002b:00007ffe6f490268 EFLAGS: 00000246 ORIG_RAX: 00000000005
> [ 93.983068] RAX: ffffffffffffffda RBX: 0000000000000047 RCX: 00007fd84a379cc4
> [ 93.984079] RDX: 0000000000000000 RSI: 00000000000001b6 RDI: 0000559463b37ff0
> [ 93.984993] RBP: 00007ffe6f4903d0 R08: fefefefefefefeff R09: fefeff36ff603365
> [ 93.985916] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000001b6
> [ 93.986935] R13: 0000000000000001 R14: 00007ffe6f490470 R15: 00005594625041c0
> [ 93.987971] Modules linked in:
>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: assertation failures in generic/388
2021-01-18 20:01 ` Brian Foster
@ 2021-01-19 7:28 ` Christoph Hellwig
0 siblings, 0 replies; 3+ messages in thread
From: Christoph Hellwig @ 2021-01-19 7:28 UTC (permalink / raw)
To: Brian Foster; +Cc: Christoph Hellwig, linux-xfs
On Mon, Jan 18, 2021 at 03:01:23PM -0500, Brian Foster wrote:
> On Mon, Jan 18, 2021 at 07:25:47PM +0000, Christoph Hellwig wrote:
> > Hi all,
> >
> > latest Linus' tree crashes every few runs for me when running on x86_64,
> > 4k block size, virtio-blk, CONFIG_XFS_DEBUG enabled:
> >
> > Dmesg:
> > [ 93.950923] XFS: Assertion failed: percpu_counter_compare(&mp->m_ifree, 0) >5
>
> This is likely fixed by the first patch [1] in my log covering rework
> series. generic/388 was recently modified to reproduce.
Would be great if we could push the fix to mainline and -stable then.
^ permalink raw reply [flat|nested] 3+ messages in thread
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2021-01-18 20:01 ` Brian Foster
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