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stec-inc / EnhanceIO

EnhanceIO Open Source for Linux
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Reads and writes causes kernel panic #2

Closed sanoj-stec closed 11 years ago

sanoj-stec commented 11 years ago

[root@localhost ~]# dd if=/dev/sdb1 of=/dev/null bs=4k iflag=direct count=1 [ 2995.590905] BUG: unable to handle kernel paging request at ffffc90004c26fff [ 2995.935535] IP: [] eio_post_io_callback+0x67/0xc40 [enhanceio] [ 2996.301669] PGD 3f980c067 PUD 3f980d067 PMD 3f75d6067 PTE 0 [ 2996.578634] Oops: 0000 [#1] [ 2996.721104] Modules linked in: enhanceio_fifo(O) enhanceio_lru(O) enhanceio(O) lockd sunrpc bnep bluetooth rfkill ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 nf_conntrack_ipv4 nf_defrag_ipv4 ip6table_filter xt_state nf_conntrack ip6_tables coretemp kvm_intel kvm crc32c_intel ghash_clmulni_intel joydev iTCO_wdt iTCO_vendor_support lpc_ich mfd_core microcode hpwdt hpilo pcspkr serio_raw uinput [ 2998.447172] CPU 0 [ 2998.537776] Pid: 58, comm: kworker/u:2 Tainted: G O 3.7.1 #5 HP ProLiant ML110 G7 [ 2998.961464] RIP: 0010:[] [] eio_post_io_callback+0x67/0xc40 [enhanceio] [ 2999.448626] RSP: 0018:ffff8803f77b3da8 EFLAGS: 00010246 [ 2999.711940] RAX: ffffc90004c27000 RBX: ffff8803e1ee6000 RCX: ffffffff81c3cd20 [ 3000.065803] RDX: 0000000000000001 RSI: ffff8803f83100b0 RDI: ffff8803f83100b0 [ 3000.419025] RBP: ffff8803f77b3de8 R08: ffff8803f83100b8 R09: ffffffff81c3ce48 [ 3000.773641] R10: ffffffff81c3ce50 R11: 0000000000000001 R12: ffff8803f83100b0 [ 3001.127909] R13: ffffffffffffffff R14: 0000000000000000 R15: ffff8803f8aac240 [ 3001.482113] FS: 0000000000000000(0000) GS:ffffffff81a28000(0000) knlGS:0000000000000000 [ 3001.883359] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3002.168649] CR2: ffffc90004c26fff CR3: 00000003f881b000 CR4: 00000000000407f0 [ 3002.523217] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3002.876625] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 3003.231149] Process kworker/u:2 (pid: 58, threadinfo ffff8803f77b2000, task ffff8803f76ed940) [ 3003.654165] Stack: [ 3003.753475] ffff8803f617b740 ffff8803f83100a0 0000000000000000 ffff8803f774c400 [ 3004.117129] ffff8803e1e65000 0000000000000000 ffffffff81c3cf28 ffff8803f83100b0 [ 3004.483730] ffff8803f77b3e58 ffffffff81071155 ffff8803f77b3fd8 ffff8803f77b3fd8 [ 3004.851174] Call Trace: [ 3004.971898] [] process_one_work+0x135/0x480 [ 3005.262104] [] ? eio_disk_io+0x240/0x240 [enhanceio] [ 3005.590450] [] worker_thread+0x12e/0x3d0 [ 3005.866605] [] ? busy_worker_rebind_fn+0xd0/0xd0 [ 3006.177583] [] kthread+0xbf/0xd0 [ 3006.419232] [] ? flush_kthread_worker+0x80/0x80 [ 3006.725812] [] ret_from_fork+0x7a/0xb0 [ 3006.993470] [] ? flush_kthread_worker+0x80/0x80 [ 3007.300062] Code: 4d 85 ff 0f 84 a9 08 00 00 49 83 7f 08 00 0f 84 1f 09 00 00 45 85 f6 0f 85 f6 08 00 00 8b 83 2c 01 00 00 a8 20 75 45 48 8b 43 48 <42> 0f b6 74 a8 03 31 c0 48 c7 c7 9b 9e 21 a0 e8 ac da 3c e1 41

sanoj-stec commented 11 years ago

The Bug has been fixed in the following commit 25e02e20ae817bfcca04a5445d5f494bb1d6859f