We have a SLES8 system at kernel level 2.4.21-112. We are experiencing a problem with
an ext3 file system where the kjournald process is in an uninterruptable disk sleep
state. This file system is a LVM logical volume consisting of 11 3390-9 logical
devices on a 2105-800 (shark) disk unit with ficon connectivity. The file system was
created with a 'mke2fs -j' command. Any processes attempting to access this file
system also end up in a disk sleep state. This system is currently running in an LPAR,
but we have seen the same problem running as a VM guest.
/proc/117/status shows:
Name: kjournald
State: D (disk sleep)
Tgid: 117
Pid: 117
PPid: 1
TracerPid: 0
Uid: 0 0 0 0
Gid: 0 0 0 0
FDSize: 64
Groups:
SigPnd: 0000000000000000
SigBlk: ffffffffffffffff
SigIgn: 8000000000000000
SigCgt: 000000000000feff
CapInh: 0000000000000000
CapPrm: 00000000ffffffff
CapEff: 00000000fffffeff
task: 000000008721c000, ksp: 000000008721f970
User PSW : 0000000000000000 000000000033dd55
User GPRS: 000000008721c000 00000001008e8ebc 000000000037df30 0000000000000000
07000000873b0000 0400000086c25600 0000000000000000 0000000000000000
0000000000000000 0000000000000000 0000000000000000 0000000000000000
0000000000000000 0000000000000000 0000000000000000 0000000000000000
User ACRS: 00000000 873ac000 00000000 873ac768
00000001 008e8ee4 00000000 001e2f38
00000000 00018dc6 00000000 8721ff60
00000000 00000000 00000000 00000000
Has anyone seen this before or have any tips as to how we can debug it?
..thanks
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