Bug with soft raid?
Hi There,
Here is what I get on my up to date stretch box:
Feb 10 12:19:12 box kernel: [ 7734.562060] INFO: task md0_raid1:461 blocked for more than 120 seconds.
Feb 10 12:19:12 box kernel: [ 7734.562068] Tainted: P OE 4.19.0-0.bpo.1-amd64 #1 Debian 4.19.12-1~bpo9+1
Feb 10 12:19:12 box kernel: [ 7734.562070] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 10 12:19:12 box kernel: [ 7734.562074] md0_raid1 D 0 461 2 0x80000000
Feb 10 12:19:12 box kernel: [ 7734.562078] Call Trace:
Feb 10 12:19:12 box kernel: [ 7734.562093] ? __schedule+0x3f5/0x880
Feb 10 12:19:12 box kernel: [ 7734.562098] schedule+0x32/0x80
Feb 10 12:19:12 box kernel: [ 7734.562112] md_super_wait+0x6e/0xa0 [md_mod]
Feb 10 12:19:12 box kernel: [ 7734.562120] ? remove_wait_queue+0x60/0x60
Feb 10 12:19:12 box kernel: [ 7734.562128] md_update_sb.part.61+0x4af/0x910 [md_mod]
Feb 10 12:19:12 box kernel: [ 7734.562136] md_check_recovery+0x312/0x530 [md_mod]
Feb 10 12:19:12 box kernel: [ 7734.562143] raid1d+0x60/0x8c0 [raid1]
Feb 10 12:19:12 box kernel: [ 7734.562149] ? schedule+0x32/0x80
Feb 10 12:19:12 box kernel: [ 7734.562152] ? schedule_timeout+0x1e5/0x350
Feb 10 12:19:12 box kernel: [ 7734.562159] ? md_thread+0x125/0x170 [md_mod]
Feb 10 12:19:12 box kernel: [ 7734.562165] md_thread+0x125/0x170 [md_mod]
Feb 10 12:19:12 box kernel: [ 7734.562170] ? remove_wait_queue+0x60/0x60
Feb 10 12:19:12 box kernel: [ 7734.562174] kthread+0xf8/0x130
Feb 10 12:19:12 box kernel: [ 7734.562180] ? md_rdev_init+0xc0/0xc0 [md_mod]
Feb 10 12:19:12 box kernel: [ 7734.562183] ? kthread_create_worker_on_cpu+0x70/0x70
Feb 10 12:19:12 box kernel: [ 7734.562186] ret_from_fork+0x35/0x40
Feb 10 12:19:12 box kernel: [ 7734.562192] INFO: task md1_raid1:468 blocked for more than 120 seconds.
Feb 10 12:19:12 box kernel: [ 7734.562196] Tainted: P OE 4.19.0-0.bpo.1-amd64 #1 Debian 4.19.12-1~bpo9+1
Feb 10 12:19:12 box kernel: [ 7734.562198] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 10 12:19:12 box kernel: [ 7734.562200] md1_raid1 D 0 468 2 0x80000000
Feb 10 12:19:12 box kernel: [ 7734.562203] Call Trace:
Feb 10 12:19:12 box kernel: [ 7734.562209] ? __schedule+0x3f5/0x880
Feb 10 12:19:12 box kernel: [ 7734.562213] schedule+0x32/0x80
Feb 10 12:19:12 box kernel: [ 7734.562219] md_super_wait+0x6e/0xa0 [md_mod]
Feb 10 12:19:12 box kernel: [ 7734.562224] ? remove_wait_queue+0x60/0x60
Feb 10 12:19:12 box kernel: [ 7734.562230] md_update_sb.part.61+0x4af/0x910 [md_mod]
Feb 10 12:19:12 box kernel: [ 7734.562237] md_check_recovery+0x312/0x530 [md_mod]
Feb 10 12:19:12 box kernel: [ 7734.562241] raid1d+0x60/0x8c0 [raid1]
Feb 10 12:19:12 box kernel: [ 7734.562246] ? schedule+0x32/0x80
Feb 10 12:19:12 box kernel: [ 7734.562248] ? schedule_timeout+0x1e5/0x350
Feb 10 12:19:12 box kernel: [ 7734.562255] ? md_thread+0x125/0x170 [md_mod]
Feb 10 12:19:12 box kernel: [ 7734.562260] md_thread+0x125/0x170 [md_mod]
Feb 10 12:19:12 box kernel: [ 7734.562265] ? remove_wait_queue+0x60/0x60
Feb 10 12:19:12 box kernel: [ 7734.562268] kthread+0xf8/0x130
Feb 10 12:19:12 box kernel: [ 7734.562274] ? md_rdev_init+0xc0/0xc0 [md_mod]
Feb 10 12:19:12 box kernel: [ 7734.562276] ? kthread_create_worker_on_cpu+0x70/0x70
Feb 10 12:19:12 box kernel: [ 7734.562279] ret_from_fork+0x35/0x40
Feb 10 12:19:12 box kernel: [ 7734.562366] INFO: task fetchmail:3277 blocked for more than 120 seconds.
Feb 10 12:19:12 box kernel: [ 7734.562369] Tainted: P OE 4.19.0-0.bpo.1-amd64 #1 Debian 4.19.12-1~bpo9+1
Feb 10 12:19:12 box kernel: [ 7734.562371] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Feb 10 12:19:12 box kernel: [ 7734.562373] fetchmail D 0 3277 1 0x00000080
Feb 10 12:19:12 box kernel: [ 7734.562376] Call Trace:
Feb 10 12:19:12 box kernel: [ 7734.562381] ? __schedule+0x3f5/0x880
Feb 10 12:19:12 box kernel: [ 7734.562412] ? __ext4_handle_dirty_metadata+0x51/0x1a0 [ext4]
Feb 10 12:19:12 box kernel: [ 7734.562418] schedule+0x32/0x80
Feb 10 12:19:12 box kernel: [ 7734.562426] md_write_start+0x13c/0x210 [md_mod]
Feb 10 12:19:12 box kernel: [ 7734.562432] ? remove_wait_queue+0x60/0x60
Feb 10 12:19:12 box kernel: [ 7734.562437] raid1_make_request+0x63/0xbc0 [raid1]
Feb 10 12:19:12 box kernel: [ 7734.562442] ? mempool_alloc+0x69/0x190
Feb 10 12:19:12 box kernel: [ 7734.562446] ? bvec_alloc+0x86/0xe0
Feb 10 12:19:12 box kernel: [ 7734.562453] md_handle_request+0x116/0x190 [md_mod]
Feb 10 12:19:12 box kernel: [ 7734.562460] md_make_request+0x72/0x170 [md_mod]
Feb 10 12:19:12 box kernel: [ 7734.562465] generic_make_request+0x1e7/0x410
Feb 10 12:19:12 box kernel: [ 7734.562471] ? submit_bio+0x6c/0x140
Feb 10 12:19:12 box kernel: [ 7734.562474] submit_bio+0x6c/0x140
Feb 10 12:19:12 box kernel: [ 7734.562500] ext4_io_submit+0x49/0x60 [ext4]
Feb 10 12:19:12 box kernel: [ 7734.562519] ext4_writepages+0x621/0xe00 [ext4]
Feb 10 12:19:12 box kernel: [ 7734.562526] ? do_writepages+0x1a/0x60
Feb 10 12:19:12 box kernel: [ 7734.562529] do_writepages+0x1a/0x60
Feb 10 12:19:12 box kernel: [ 7734.562533] __filemap_fdatawrite_range+0xc8/0x100
Feb 10 12:19:12 box kernel: [ 7734.562552] ext4_rename+0x676/0x900 [ext4]
and so one.
The system blocks for about 3 minutes and then I get back a hand on it.
I'm no specialist so I don't know what to do.
Any help would appreciated.
Best,
Steve
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