> There are quite some reports about this problem. So far no real > corrupted confirmed. > > You can confirm it by scrub. > > I'm afraid there is some bug in data balance code which leads to this. > We will dig further to pin down the cause. > > BTW, does that problem always show up at block group 253562454016? Or it > randomly shows up at different block groups? > > Thanks, > Qu Hi Qu, It appears to be the same data blocks giving me this issue. I have tried it while mounting from a bootable usb and in my arch linux install both with similar results. I should also mention I have a btrfs root partition within a luks lvm partition becuase btrfs provides no encryption. I'm not sure this makes a difference. Would you suggest running somekind of disk check or by running scrub? Please let me know what I should try to resolve this. 谢谢 ``` BEGIN DEBUG INFO ``` ERROR: error during balancing '/': Input/output error [michael@linux /]$ dmesg | tail [ 462.460626] audit: type=1104 audit(1577525576.905:124): pid=3415 uid=0 auid=1000 ses=1 msg='op=PAM:setcred grantors=pam_unix,pam_permit,pam_env acct="root" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/2 res=success' [ 465.880807] BTRFS info (device dm-1): found 25 extents [ 470.501319] BTRFS info (device dm-1): found 25 extents [ 471.713073] BTRFS info (device dm-1): relocating block group 253562454016 flags data [ 472.251356] BTRFS warning (device dm-1): csum failed root -9 ino 262 off 1048576 csum 0x9a7afaa8 expected csum 0x63e15594 mirror 1 [ 472.254390] BTRFS warning (device dm-1): csum failed root -9 ino 262 off 1048576 csum 0x9a7afaa8 expected csum 0x63e15594 mirror 1 [ 472.716215] BTRFS info (device dm-1): balance: ended with status: -5 [ 473.122721] audit: type=1106 audit(1577525587.565:125): pid=2775 uid=0 auid=1000 ses=1 msg='op=PAM:session_close grantors=pam_limits,pam_unix,pam_permit acct="root" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/3 res=success' [ 473.122840] audit: type=1104 audit(1577525587.565:126): pid=2775 uid=0 auid=1000 ses=1 msg='op=PAM:setcred grantors=pam_unix,pam_permit acct="root" exe="/usr/bin/sudo" hostname=? addr=? terminal=/dev/pts/3 res=success' [ 629.160619] audit: type=1131 audit(1577525743.603:127): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=packagekit comm="systemd" exe="/usr/ lib/systemd/systemd" hostname=? addr=? terminal=? res=success' ``` END DEBUG INFO ```
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