SLES 11 SP2 fails to boot after upgrading to kernel 3.0.101-0.7.15.1 to ALUA enabled storages
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Environment
SUSE Linux Enterprise Server 11 Service Pack 2
Situation
After updating to SLES 11 SP2 kernel 3.0.101-0.7.15.1 a SAN attached system fails to boot or encounters a system crash after rescanning SCSI devices showing messages similar to:
[ 854.252665] [<ffffffffa01ce2ab>] alua_initialize+0x3b/0xc0 [scsi_dh_alua] [ 854.252674] [<ffffffffa01cf03b>] alua_bus_attach+0x7b/0x1d0 [scsi_dh_alua] [ 854.252683] [<ffffffffa005023a>] scsi_dh_handler_attach+0x2a/0x80 [scsi_dh] [ 854.252690] [<ffffffff804012a7>] notifier_call_chain+0x37/0x70 [ 854.252698] [<ffffffff8006e7db>] __blocking_notifier_call_chain+0x5b/0x90 [ 854.252707] [<ffffffff802d07a2>] device_add+0x2b2/0x4e0 [ 854.252724] [<ffffffffa00100b1>] scsi_sysfs_add_sdev+0xb1/0x310 [scsi_mod] [ 854.252748] [<ffffffffa000cec8>] scsi_add_lun+0x528/0x540 [scsi_mod] [ 854.252767] [<ffffffffa000d3d9>] scsi_probe_and_add_lun+0x1b9/0x480 [scsi_mod] [ 854.252787] [<ffffffffa000e09f>] __scsi_scan_target+0x8f/0x1f0 [scsi_mod] [ 854.252807] [<ffffffffa000e701>] scsi_scan_target+0xd1/0xf0 [scsi_mod] [ 854.252824] [<ffffffffa009247d>] fc_user_scan+0xfd/0x1b0 [scsi_transport_fc] [ 854.252837] [<ffffffffa000f44f>] scsi_scan+0xbf/0xe0 [scsi_mod] [ 854.252858] [<ffffffffa000f483>] store_scan+0x13/0x20 [scsi_mod] [ 854.252875] [<ffffffff8019fcee>] sysfs_write_file+0xce/0x160 [ 854.252883] [<ffffffff8012b3be>] vfs_write+0xce/0x140 [ 854.252889] [<ffffffff8012b533>] sys_write+0x53/0xa0 [ 854.252894] [<ffffffff80405373>] system_call_fastpath+0x16/0x1b [ 854.252900] [<00007fee9dbd3520>] 0x7fee9dbd351f
Resolution
Fixed for SLES 11 SP2 as of kernel 3.0.101-0.7.17.1.
Cause
A regression in the SP2 maintenance kernel.
Disclaimer
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- Document ID:7014501
- Creation Date: 04-Feb-2014
- Modified Date:12-Oct-2022
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- SUSE Linux Enterprise Server
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