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IDProjectCategoryView StatusLast Update
0016325CentOS-7kernelpublic2019-08-09 03:46
Reporterloobinliu 
PriorityhighSeverityblockReproducibilityhave not tried
Status newResolutionopen 
PlatformcentosOScentos 7.5OS Version3.10.0-862.14.4.
Product Version7.5.1804 
Target VersionFixed in Version 
Summary0016325: [ext4] panic in __find_get_block
DescriptionA bug on occur in lookup_bh_lru->check_irqs_on, the call trace is bellow.
from there we can see irqs have been disabled by virtblk_done, but check_irqs_on occur in lookup_bh_lru, so the kernel panic.

anyone who have some ideas?

 #8 [ffff94383fc03af0] __find_get_block at ffffffffa8856458
 #9 [ffff94383fc03b10] __getblk at ffffffffa8856485
#10 [ffff94383fc03b70] __ext4_get_inode_loc at ffffffffc03eddc0 [ext4]
#11 [ffff94383fc03bd8] ext4_get_inode_loc at ffffffffc03f014d [ext4]
#12 [ffff94383fc03be8] ext4_reserve_inode_write at ffffffffc03f1ec6 [ext4]
#13 [ffff94383fc03c18] ext4_mark_inode_dirty at ffffffffc03f1f93 [ext4]
#14 [ffff94383fc03c70] ext4_convert_unwritten_extents at ffffffffc041ed53 [ext4]
#15 [ffff94383fc03ce0] ext4_put_io_end at ffffffffc03f65ed [ext4]
#16 [ffff94383fc03d00] ext4_end_io_dio at ffffffffc03ec59a [ext4]
#17 [ffff94383fc03d10] dio_complete at ffffffffa885fc20
#18 [ffff94383fc03d50] dio_bio_end_aio at ffffffffa885fd17
#19 [ffff94383fc03d80] bio_endio at ffffffffa885cbd7
#20 [ffff94383fc03da8] blk_update_request at ffffffffa891f8e0
#21 [ffff94383fc03de8] blk_mq_end_request at ffffffffa89295ea
#22 [ffff94383fc03e08] virtblk_request_done at ffffffffc03313bf [virtio_blk]
#23 [ffff94383fc03e18] __blk_mq_complete_request at ffffffffa892971f
#24 [ffff94383fc03e40] blk_mq_complete_request at ffffffffa8929847
#25 [ffff94383fc03e50] virtblk_done at ffffffffc033107c [virtio_blk]
#26 [ffff94383fc03e98] vring_interrupt at ffffffffc022760b [virtio_ring]
#27 [ffff94383fc03eb0] __handle_irq_event_percpu at ffffffffa8743dc4
#28 [ffff94383fc03ef8] handle_irq_event_percpu at ffffffffa8743f72
#29 [ffff94383fc03f28] handle_irq_event at ffffffffa8743ffc
#30 [ffff94383fc03f50] handle_edge_irq at ffffffffa8746d4f
#31 [ffff94383fc03f70] handle_irq at ffffffffa862e504
#32 [ffff94383fc03fb8] do_IRQ at ffffffffa8d29f9d
Tagsext4, virtio
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Issue History

Date Modified Username Field Change
2019-08-09 03:45 loobinliu New Issue
2019-08-09 03:45 loobinliu Tag Attached: ext4
2019-08-09 03:46 loobinliu Tag Attached: virtio