It just disable es_cache lookup feature should. This should helps to determine whenever this is a es_cache issue or not. > Ý 210.053275¨ mpage_da_submit_io failed block=33490 != b_blocknr=33579 > Ý 210.053277¨ ino:384 lbkl:15, b_state=0x00001023, b_size=4096 > Ý 210.053320¨ ------------Ý cut here ¨------------ > Ý 210.053323¨ kernel BUG at fs/ext4/inode.c:1639! > Ý 210.053402¨ illegal operation: 0001 Ý#1¨ SMP > Ý 210.053405¨ Modules linked in: nf_conntrack_netbios_ns nf_conntrack_broadcast > ipt_MASQUERADE ip6table_mangle ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ipt > able_nat nf_nat_ipv4 nf_nat iptable_mangle ipt_REJECT nf_conntrack_ipv4 nf_defra > g_ipv4 xt_conntrack nf_conntrack ebtable_filter ebtables ip6table_filter ip6_tab > les iptable_filter ip_tables sg qeth_l2 vmur xfs libcrc32c dasd_fba_mod dasd_eck > d_mod lcs dasd_mod qeth ctcm qdio ccwgroup fsm dm_mirror dm_region_hash dm_log d > m_mod > Ý 210.053434¨ CPU: 0 Not tainted 3.8.0-rc3+ #16 > Ý 210.053436¨ Process fsx (pid: 20565, task: 000000002c358000, ksp: 000000002c0 > 8f480) > Ý 210.053439¨ Krnl PSW : 0704f00180000000 00000000003033e8 (mpage_da_submit_io > 0x3d4/0x408) > Ý 210.053450¨ R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:3 PM:0 EA: > 3 > Krnl GPRS: 0000000000000015 0000000000000001 0000000000000030 00000000031b4508 > Ý 210.053455¨ 00000000003033e4 0000000000000000 0000000000001000 000 > 7ffff00001000 > Ý 210.053457¨ 000000002c08fa98 000003d100a8c6c0 000000002c08fb68 000 > 000000000000f > Ý 210.053460¨ 00000000000082d2 000000002204d068 00000000003033e4 000 > 000002c08f970 > Ý 210.053473¨ Krnl Code: 00000000003033d8: c02000215447 larl %r2,72dc > 66 > 00000000003033de: c0e50016788f brasl %r14,5d24fc > #00000000003033e4: a7f40001 brc 15,3033e6 > >00000000003033e8: a7f40001 brc 15,3033ea > 00000000003033ec: a7f40001 brc 15,3033ee > 00000000003033f0: 4120f0e8 la %r2,232(%r15) > 00000000003033f4: a7180000 lhi %r1,0 > 00000000003033f8: 5010f0d8 st %r1,216(%r15) > Ý 210.053497¨ Call Trace: > Ý 210.053498¨ (Ý<00000000003033e4>¨ mpage_da_submit_io+0x3d0/0x408) > Ý 210.053501¨ Ý<0000000000309a48>¨ mpage_da_map_and_submit+0x150/0x41c > Ý 210.053505¨ Ý<000000000030a212>¨ write_cache_pages_da+0x4fe/0x530 > Ý 210.053509¨ Ý<000000000030a584>¨ ext4_da_writepages+0x340/0x628 > Ý 210.053512¨ Ý<00000000002024d2>¨ __filemap_fdatawrite_range+0x6e/0x7c > Ý 210.053518¨ Ý<00000000002025fc>¨ filemap_write_and_wait_range+0x54/0x8c > Ý 210.053521¨ Ý<00000000002fe0f8>¨ ext4_sync_file+0x7c/0x3d8 > Ý 210.053524¨ Ý<000000000023c932>¨ SyS_msync+0x14e/0x1d8 > Ý 210.053528¨ Ý<00000000005de66e>¨ sysc_tracego+0x14/0x1a > Ý 210.053533¨ Ý<000003fffd0e1240>¨ 0x3fffd0e1240 > Ý 210.053536¨ Last Breaking-Event-Address: > Ý 210.053537¨ Ý<00000000003033e4>¨ mpage_da_submit_io+0x3d0/0x408 > Ý 210.053540¨ > Ý 210.053542¨ ---Ý end trace f387176e9fcb98d0 ¨--- > Ý 210.053546¨ ------------Ý cut here ¨------------ > Ý 210.053548¨ WARNING: at kernel/exit.c:713 > Ý 210.053550¨ Modules linked in: nf_conntrack_netbios_ns nf_conntrack_broadcast > ipt_MASQUERADE ip6table_mangle ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ipt > able_nat nf_nat_ipv4 nf_nat iptable_mangle ipt_REJECT nf_conntrack_ipv4 nf_defra > g_ipv4 xt_conntrack nf_conntrack ebtable_filter ebtables ip6table_filter ip6_tab > les iptable_filter ip_tables sg qeth_l2 vmur xfs libcrc32c dasd_fba_mod dasd_eck > d_mod lcs dasd_mod qeth ctcm qdio ccwgroup fsm dm_mirror dm_region_hash dm_log d > m_mod > Ý 210.053571¨ CPU: 0 Tainted: G D 3.8.0-rc3+ #16