Sand & receive from the same machine, from a read-only mount to a
freshly formatted fs. Aside from the warning everything appears to
be working correctly, but since this is the latest btrfs code it
needed reporting.
I'll probably have another opportunity to test this again, since I'm
blowing up my array repeatedly trying to track down a bcache bug.
line number translates to:
/*
* This is done when we lookup the root, it should already be complete
* by the time we get here.
*/
WARN_ON(send_root->orphan_cleanup_state != ORPHAN_CLEANUP_DONE);
[ 267.379126] ------------[ cut here ]------------
[ 267.379202] WARNING: CPU: 1 PID: 4423 at fs/btrfs/send.c:5699
btrfs_ioctl_send+0x9d/0xe47()
[ 267.379297] Modules linked in: binfmt_misc tun nbd rpcsec_gss_krb5 sit
ip6table_filter ip6_tables ipt_REJECT nf_reject_ipv4 xt_conntrack xt_multiport
iptable_filter xt_length xt_mark iptable_mangle iptable_raw ipt_MASQUERADE
nf_nat_masquerade_ipv4 xt_nat xt_tcpudp iptable_nat nf_conntrack_ipv4
nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack ip_tables x_tables powernow_k8
pcspkr serio_raw k8temp i2c_piix4 i2c_core rtc_cmos wmi acpi_cpufreq netconsole
it87 hwmon_vid ecryptfs ide_pci_generic firewire_ohci firewire_core
sata_promise atiixp ide_core e100 pata_acpi ohci_pci sg ohci_hcd ehci_pci
ehci_hcd
[ 267.381752] CPU: 1 PID: 4423 Comm: btrfs Not tainted 4.1.0-rc1 #1
[ 267.381813] Hardware name: Gigabyte Technology Co., Ltd.
GA-MA78GPM-DS2H/GA-MA78GPM-DS2H, BIOS F1 06/03/2008
[ 267.381880] 0000000000000009 ffff8801f613fc18 ffffffff8169d2be
0000000080000000
[ 267.382112] 0000000000000000 ffff8801f613fc58 ffffffff81045577
ffff8800bbd9a000
[ 267.382342] ffffffff81306f46 ffff8800c51ee42c 00007ffc4b080bc0
ffff880224699100
[ 267.382566] Call Trace:
[ 267.382630] [<ffffffff8169d2be>] dump_stack+0x4f/0x7b
[ 267.382686] [<ffffffff81045577>] warn_slowpath_common+0x9c/0xb6
[ 267.382747] [<ffffffff81306f46>] ? btrfs_ioctl_send+0x9d/0xe47
[ 267.382809] [<ffffffff81045625>] warn_slowpath_null+0x15/0x17
[ 267.382869] [<ffffffff81306f46>] btrfs_ioctl_send+0x9d/0xe47
[ 267.382931] [<ffffffff816a3c10>] ? _raw_spin_unlock_irq+0x17/0x29
[ 267.382994] [<ffffffff816a0d66>] ? __schedule+0x6df/0x90e
[ 267.383057] [<ffffffff812d7691>] btrfs_ioctl+0x18a/0x2436
[ 267.383119] [<ffffffff81068ccd>] ? sched_move_task+0x185/0x194
[ 267.383183] [<ffffffff8137d28c>] ? find_next_bit+0x15/0x1b
[ 267.383244] [<ffffffff8106b1ba>] ? __enqueue_entity+0x67/0x69
[ 267.383306] [<ffffffff8106d4ab>] ? enqueue_task_fair+0xc00/0xcda
[ 267.383367] [<ffffffff810697cc>] ? sched_clock_cpu+0x67/0xbc
[ 267.383431] [<ffffffff81322201>] ? avc_has_perm+0x96/0xf8
[ 267.383495] [<ffffffff81153d51>] do_vfs_ioctl+0x372/0x420
[ 267.383558] [<ffffffff8115bc80>] ? __fget+0x6b/0x76
[ 267.383619] [<ffffffff81153e54>] SyS_ioctl+0x55/0x7a
[ 267.383680] [<ffffffff816a419b>] system_call_fastpath+0x16/0x6e
[ 267.383741] ---[ end trace 01d1110aa9307411 ]---
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