From: Jan Kara <jack@suse.cz>
To: Zheng Liu <gnehzuil.liu@gmail.com>
Cc: linux-ext4@vger.kernel.org
Subject: Re: [BUG][data=journal] WARN_ON(PageChecked(page)) in ext4_releasepage() when we run xfstests #247
Date: Thu, 7 Mar 2013 13:46:27 +0100 [thread overview]
Message-ID: <20130307124627.GE6723@quack.suse.cz> (raw)
In-Reply-To: <20130307123356.GD2800@gmail.com>
On Thu 07-03-13 20:33:57, Zheng Liu wrote:
> Hi all,
>
> I hit this WARN_ON in 3.8 kernel and dev branch. The WARN_ON is hard to
> be triggerred because I run test case 8 times to hit it. Here is the
> messages from dmesg.
>
> *One Big Note*
> Although we get the warning message, the test can pass.
I think I see what's happening. This should be harmless since page likely
has PageDirty set as well and it won't be invalidated. But it's good to fix
the warning anyway. I'll send a patch in a while.
Honza
> wenqing: run xfstest 247
> kernel: ------------[ cut here ]------------
> kernel: WARNING: at fs/ext4/inode.c:2926 ext4_releasepage+0x74/0xa4 [ext4]()
> kernel: Hardware name: OptiPlex 780
> kernel: Modules linked in: ext4 jbd2 crc16 cpufreq_ondemand ipv6 dm_mirror
> dm_region_hash dm_log dm_mod parport_pc parport dcdbas acpi_cpufreq mperf
> serio_raw pcspkr i2c_i801 i2c_core sg ehci_pci ehci_hcd button e1000e ext3
> jbd sd_mod ahci libahci libata scsi_mod uhci_hcd
> kernel: Pid: 6063, comm: dd Not tainted 3.8.0 #1
> kernel: Call Trace:
> kernel: [<ffffffff82031d68>] warn_slowpath_common+0x85/0x9d
> kernel: [<ffffffff82031d9a>] warn_slowpath_null+0x1a/0x1c
> kernel: [<ffffffffa01fe8c8>] ext4_releasepage+0x74/0xa4 [ext4]
> kernel: [<ffffffff820afb0e>] try_to_release_page+0x36/0x3f
> kernel: [<ffffffff820baedf>] invalidate_inode_pages2_range+0x168/0x270
> kernel: [<ffffffff820b14ea>] generic_file_direct_write+0xb8/0x16a
> kernel: [<ffffffff820b17a5>] __generic_file_aio_write+0x209/0x2ef
> kernel: [<ffffffffa01f8a49>] ext4_file_write+0x29e/0x38d [ext4]
> kernel: [<ffffffff820edb2c>] do_sync_write+0x9d/0xda
> kernel: [<ffffffff820ee574>] vfs_write+0xb3/0x138
> kernel: [<ffffffff820ee6cd>] sys_write+0x54/0x7e
> kernel: [<ffffffff82386942>] system_call_fastpath+0x16/0x1b
> kernel: ---[ end trace 5372b37668057d66 ]---
> kernel: ------------[ cut here ]------------
> kernel: WARNING: at fs/ext4/inode.c:2926 ext4_releasepage+0x74/0xa4 [ext4]()
> kernel: Hardware name: OptiPlex 780
> kernel: Modules linked in: ext4 jbd2 crc16 cpufreq_ondemand ipv6 dm_mirror
> dm_region_hash dm_log dm_mod parport_pc parport dcdbas acpi_cpufreq mperf
> serio_raw pcspkr i2c_i801 i2c_core sg ehci_pci ehci_hcd button e1000e ext3
> jbd sd_mod ahci libahci libata scsi_mod uhci_hcd
> kernel: Pid: 6063, comm: dd Tainted: G W 3.8.0 #1
> kernel: Call Trace:
> kernel: [<ffffffff82031d68>] warn_slowpath_common+0x85/0x9d
> kernel: [<ffffffff82031d9a>] warn_slowpath_null+0x1a/0x1c
> kernel: [<ffffffffa01fe8c8>] ext4_releasepage+0x74/0xa4 [ext4]
> kernel: [<ffffffff820afb0e>] try_to_release_page+0x36/0x3f
> kernel: [<ffffffff820baedf>] invalidate_inode_pages2_range+0x168/0x270
> kernel: [<ffffffff820b14ea>] generic_file_direct_write+0xb8/0x16a
> kernel: [<ffffffff820b17a5>] __generic_file_aio_write+0x209/0x2ef
> kernel: [<ffffffffa01f8a49>] ext4_file_write+0x29e/0x38d [ext4]
> kernel: [<ffffffff820edb2c>] do_sync_write+0x9d/0xda
> kernel: [<ffffffff820ee574>] vfs_write+0xb3/0x138
> kernel: [<ffffffff820ee6cd>] sys_write+0x54/0x7e
> kernel: [<ffffffff82386942>] system_call_fastpath+0x16/0x1b
> kernel: ---[ end trace 5372b37668057d67 ]---
> kernel: ------------[ cut here ]------------
> kernel: WARNING: at fs/ext4/inode.c:2926 ext4_releasepage+0x74/0xa4 [ext4]()
> kernel: Hardware name: OptiPlex 780
> kernel: Modules linked in: ext4 jbd2 crc16 cpufreq_ondemand ipv6 dm_mirror
> dm_region_hash dm_log dm_mod parport_pc parport dcdbas acpi_cpufreq mperf
> serio_raw pcspkr i2c_i801 i2c_core sg ehci_pci ehci_hcd button e1000e ext3
> jbd sd_mod ahci libahci libata scsi_mod uhci_hcd
> kernel: Pid: 6063, comm: dd Tainted: G W 3.8.0 #1
> kernel: Call Trace:
> kernel: [<ffffffff82031d68>] warn_slowpath_common+0x85/0x9d
> kernel: [<ffffffff82031d9a>] warn_slowpath_null+0x1a/0x1c
> kernel: [<ffffffffa01fe8c8>] ext4_releasepage+0x74/0xa4 [ext4]
> kernel: [<ffffffff820afb0e>] try_to_release_page+0x36/0x3f
> kernel: [<ffffffff820baedf>] invalidate_inode_pages2_range+0x168/0x270
> kernel: [<ffffffff820b14ea>] generic_file_direct_write+0xb8/0x16a
> kernel: [<ffffffff820b17a5>] __generic_file_aio_write+0x209/0x2ef
> kernel: [<ffffffffa01f8a49>] ext4_file_write+0x29e/0x38d [ext4]
> kernel: [<ffffffff820edb2c>] do_sync_write+0x9d/0xda
> kernel: [<ffffffff820ee574>] vfs_write+0xb3/0x138
> kernel: [<ffffffff820ee6cd>] sys_write+0x54/0x7e
> kernel: [<ffffffff82386942>] system_call_fastpath+0x16/0x1b
> kernel: ---[ end trace 5372b37668057d68 ]---
> kernel: ------------[ cut here ]------------
> kernel: WARNING: at fs/ext4/inode.c:2926 ext4_releasepage+0x74/0xa4 [ext4]()
> kernel: Hardware name: OptiPlex 780
> kernel: Modules linked in: ext4 jbd2 crc16 cpufreq_ondemand ipv6 dm_mirror
> dm_region_hash dm_log dm_mod parport_pc parport dcdbas acpi_cpufreq mperf
> serio_raw pcspkr i2c_i801 i2c_core sg ehci_pci ehci_hcd button e1000e ext3
> jbd sd_mod ahci libahci libata scsi_mod uhci_hcd
> kernel: Pid: 6063, comm: dd Tainted: G W 3.8.0 #1
> kernel: Call Trace:
> kernel: [<ffffffff82031d68>] warn_slowpath_common+0x85/0x9d
> kernel: [<ffffffff82031d9a>] warn_slowpath_null+0x1a/0x1c
> kernel: [<ffffffffa01fe8c8>] ext4_releasepage+0x74/0xa4 [ext4]
> kernel: [<ffffffff820afb0e>] try_to_release_page+0x36/0x3f
> kernel: [<ffffffff820baedf>] invalidate_inode_pages2_range+0x168/0x270
> kernel: [<ffffffff820b14ea>] generic_file_direct_write+0xb8/0x16a
> kernel: [<ffffffff820b17a5>] __generic_file_aio_write+0x209/0x2ef
> kernel: [<ffffffffa01f8a49>] ext4_file_write+0x29e/0x38d [ext4]
> kernel: [<ffffffff820edb2c>] do_sync_write+0x9d/0xda
> kernel: [<ffffffff820ee574>] vfs_write+0xb3/0x138
> kernel: [<ffffffff820ee6cd>] sys_write+0x54/0x7e
> kernel: [<ffffffff82386942>] system_call_fastpath+0x16/0x1b
> kernel: ---[ end trace 5372b37668057d69 ]---
> kernel: ------------[ cut here ]------------
> kernel: WARNING: at fs/ext4/inode.c:2926 ext4_releasepage+0x74/0xa4 [ext4]()
> kernel: Hardware name: OptiPlex 780
> kernel: Modules linked in: ext4 jbd2 crc16 cpufreq_ondemand ipv6 dm_mirror
> dm_region_hash dm_log dm_mod parport_pc parport dcdbas acpi_cpufreq mperf
> serio_raw pcspkr i2c_i801 i2c_core sg ehci_pci ehci_hcd button e1000e ext3
> jbd sd_mod ahci libahci libata scsi_mod uhci_hcd
> kernel: Pid: 6063, comm: dd Tainted: G W 3.8.0 #1
> kernel: Call Trace:
> kernel: [<ffffffff82031d68>] warn_slowpath_common+0x85/0x9d
> kernel: [<ffffffff82031d9a>] warn_slowpath_null+0x1a/0x1c
> kernel: [<ffffffffa01fe8c8>] ext4_releasepage+0x74/0xa4 [ext4]
> kernel: [<ffffffff820afb0e>] try_to_release_page+0x36/0x3f
> kernel: [<ffffffff820baedf>] invalidate_inode_pages2_range+0x168/0x270
> kernel: [<ffffffff820b14ea>] generic_file_direct_write+0xb8/0x16a
> kernel: [<ffffffff820b17a5>] __generic_file_aio_write+0x209/0x2ef
> kernel: [<ffffffffa01f8a49>] ext4_file_write+0x29e/0x38d [ext4]
> kernel: [<ffffffff820edb2c>] do_sync_write+0x9d/0xda
> kernel: [<ffffffff820ee574>] vfs_write+0xb3/0x138
> kernel: [<ffffffff820ee6cd>] sys_write+0x54/0x7e
> kernel: [<ffffffff82386942>] system_call_fastpath+0x16/0x1b
> kernel: ---[ end trace 5372b37668057d6a ]---
> kernel: ------------[ cut here ]------------
> kernel: WARNING: at fs/ext4/inode.c:2926 ext4_releasepage+0x74/0xa4 [ext4]()
> kernel: Hardware name: OptiPlex 780
> kernel: Modules linked in: ext4 jbd2 crc16 cpufreq_ondemand ipv6 dm_mirror
> dm_region_hash dm_log dm_mod parport_pc parport dcdbas acpi_cpufreq mperf
> serio_raw pcspkr i2c_i801 i2c_core sg ehci_pci ehci_hcd button e1000e ext3
> jbd sd_mod ahci libahci libata scsi_mod uhci_hcd
> kernel: Pid: 6063, comm: dd Tainted: G W 3.8.0 #1
> kernel: Call Trace:
> kernel: [<ffffffff82031d68>] warn_slowpath_common+0x85/0x9d
> kernel: [<ffffffff82031d9a>] warn_slowpath_null+0x1a/0x1c
> kernel: [<ffffffffa01fe8c8>] ext4_releasepage+0x74/0xa4 [ext4]
> kernel: [<ffffffff820afb0e>] try_to_release_page+0x36/0x3f
> kernel: [<ffffffff820baedf>] invalidate_inode_pages2_range+0x168/0x270
> kernel: [<ffffffff820b14ea>] generic_file_direct_write+0xb8/0x16a
> kernel: [<ffffffff820b17a5>] __generic_file_aio_write+0x209/0x2ef
> kernel: [<ffffffffa01f8a49>] ext4_file_write+0x29e/0x38d [ext4]
> kernel: [<ffffffff820edb2c>] do_sync_write+0x9d/0xda
> kernel: [<ffffffff820ee574>] vfs_write+0xb3/0x138
> kernel: [<ffffffff820ee6cd>] sys_write+0x54/0x7e
> kernel: [<ffffffff82386942>] system_call_fastpath+0x16/0x1b
> kernel: ---[ end trace 5372b37668057d6b ]---
> kernel: ------------[ cut here ]------------
> kernel: WARNING: at fs/ext4/inode.c:2926 ext4_releasepage+0x74/0xa4 [ext4]()
> kernel: Hardware name: OptiPlex 780
> kernel: Modules linked in: ext4 jbd2 crc16 cpufreq_ondemand ipv6 dm_mirror
> dm_region_hash dm_log dm_mod parport_pc parport dcdbas acpi_cpufreq mperf
> serio_raw pcspkr i2c_i801 i2c_core sg ehci_pci ehci_hcd button e1000e ext3
> jbd sd_mod ahci libahci libata scsi_mod uhci_hcd
> kernel: Pid: 6063, comm: dd Tainted: G W 3.8.0 #1
> kernel: Call Trace:
> kernel: [<ffffffff82031d68>] warn_slowpath_common+0x85/0x9d
> kernel: [<ffffffff82031d9a>] warn_slowpath_null+0x1a/0x1c
> kernel: [<ffffffffa01fe8c8>] ext4_releasepage+0x74/0xa4 [ext4]
> kernel: [<ffffffff820afb0e>] try_to_release_page+0x36/0x3f
> kernel: [<ffffffff820baedf>] invalidate_inode_pages2_range+0x168/0x270
> kernel: [<ffffffff820b14ea>] generic_file_direct_write+0xb8/0x16a
> kernel: [<ffffffff820b17a5>] __generic_file_aio_write+0x209/0x2ef
> kernel: [<ffffffffa01f8a49>] ext4_file_write+0x29e/0x38d [ext4]
> kernel: [<ffffffff820edb2c>] do_sync_write+0x9d/0xda
> kernel: [<ffffffff820ee574>] vfs_write+0xb3/0x138
> kernel: [<ffffffff820ee6cd>] sys_write+0x54/0x7e
> kernel: [<ffffffff82386942>] system_call_fastpath+0x16/0x1b
> kernel: ---[ end trace 5372b37668057d6c ]---
> kernel: ------------[ cut here ]------------
> kernel: WARNING: at fs/ext4/inode.c:2926 ext4_releasepage+0x74/0xa4 [ext4]()
> kernel: Hardware name: OptiPlex 780
> kernel: Modules linked in: ext4 jbd2 crc16 cpufreq_ondemand ipv6 dm_mirror
> dm_region_hash dm_log dm_mod parport_pc parport dcdbas acpi_cpufreq mperf
> serio_raw pcspkr i2c_i801 i2c_core sg ehci_pci ehci_hcd button e1000e ext3
> jbd sd_mod ahci libahci libata scsi_mod uhci_hcd
> kernel: Pid: 6063, comm: dd Tainted: G W 3.8.0 #1
> kernel: Call Trace:
> kernel: [<ffffffff82031d68>] warn_slowpath_common+0x85/0x9d
> kernel: [<ffffffff82031d9a>] warn_slowpath_null+0x1a/0x1c
> kernel: [<ffffffffa01fe8c8>] ext4_releasepage+0x74/0xa4 [ext4]
> kernel: [<ffffffff820afb0e>] try_to_release_page+0x36/0x3f
> kernel: [<ffffffff820baedf>] invalidate_inode_pages2_range+0x168/0x270
> kernel: [<ffffffff820b14ea>] generic_file_direct_write+0xb8/0x16a
> kernel: [<ffffffff820b17a5>] __generic_file_aio_write+0x209/0x2ef
> kernel: [<ffffffffa01f8a49>] ext4_file_write+0x29e/0x38d [ext4]
> kernel: [<ffffffff820edb2c>] do_sync_write+0x9d/0xda
> kernel: [<ffffffff820ee574>] vfs_write+0xb3/0x138
> kernel: [<ffffffff820ee6cd>] sys_write+0x54/0x7e
> kernel: [<ffffffff82386942>] system_call_fastpath+0x16/0x1b
> kernel: ---[ end trace 5372b37668057d6d ]---
>
> ......
> [snip]
>
> Regards,
> - Zheng
> --
> To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
--
Jan Kara <jack@suse.cz>
SUSE Labs, CR
prev parent reply other threads:[~2013-03-07 12:46 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-07 12:33 [BUG][data=journal] WARN_ON(PageChecked(page)) in ext4_releasepage() when we run xfstests #247 Zheng Liu
2013-03-07 12:46 ` Jan Kara [this message]
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