PROBLEM: (89371, 89509, INPUT) (PATCH ID: TCR520-021)
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PROBLEM: (89371)  (PATCH ID: )
   The following message on the console or in /var/adm/messages;
   "panic (cpu 0) ics_unable_to_make_progress: heartbeat checking blocked"
   Typical stack trace;
crash> tf
>  0 boot                 src/kernel/arch/alpha/machdep.c : 2644
   1 panic                src/kernel/bsd/subr_prf.c : 1401
   2 ics_mct_llassert_not_stalled  src/kernel/tnc_common/tnc_ics/ics_mct
                                   /ics_mct_llmgmt.c : 2512
   3 cnx_have_quorum      src/kernel/cnx/cnx_tx.c : 338
   4 describe_config      src/kernel/cnx/cnx_agent_action.c : 3292
   5 cnx_get_info         src/kernel/cnx/cnx_agent_action.c : 1009
   6 syscall              src/kernel/arch/alpha/syscall_trap.c : 725
   7 _Xsyscall            src/kernel/arch/alpha/locore.s : 1814
PROBLEM: (89509)  (PATCH ID: )
   The following message on the console or in /var/adm/messages;
   "panic (cpu 0): ics_unable_to_make_progress: input thread stalled"
   Typical stack trace;
crash> tf
>  0 boot                 src/kernel/arch/alpha/machdep.c : 2644
   1 panic                src/kernel/bsd/subr_prf.c : 1401
   2 ics_mct_llassert_not_stalled  src/kernel/tnc_common/tnc_ics/ics_mct
                          /ics_mct_llmgmt.c : 2505
   3 cnx_have_quorum      src/kernel/cnx/cnx_tx.c : 338
   4 describe_config      src/kernel/cnx/cnx_agent_action.c : 3292
   5 cnx_get_info         src/kernel/cnx/cnx_agent_action.c : 1009
   6 syscall              src/kernel/arch/alpha/syscall_trap.c : 725
   7 _Xsyscall            src/kernel/arch/alpha/locore.s : 1814


PROBLEM: (89757) (PATCH ID: TCR520-023)
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PROBLEM: (89757)   (PATCH ID: )
   The follwing message on the console or in /var/adm/messages;
   "ics_mct: Node arrival waiting for out of line node down cleanup to 
   complete. MC node n" (where n is one of the cluster node numbers which
   is rebooting)
   Another symptom can be RPC's do not complete after MC errors.


PROBLEM: (92453) (PATCH ID: TCR520-139)
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This patch addresses a problem that occurs when higher priority threads
running on a cluster member block the internode communication service 
Memory Channel transport(ics_ll_mct) subsystem's input thread 
(ics_input_thread) from execution. 
When the problem occurs, the member panics with the following string:
panic (cpu x): ics_unable_to_make_progress: input thread stalled


PROBLEM: (ES_G03236, TKT300910, ES_G03322) (PATCH ID: TCR520-145)
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This patch fixes numerous panics and hangs with internode communication
subsystem sequence numbers. It can manifest itself in ics_mct:
unable_to_make_progress panics, lock panics, or sequence problem panics.


PROBLEM: (DEK055425) (PATCH ID: TCR520-127)
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This patch fixes a panic with the string 'rcnx_status: different node.'
 0 thread_block : 3102
 1 thread_preempt : 4962
 2 smsync_to_readyq : 6227
 3 bs_bflush : 4434
 4 bs_bfdmn_flush_bfrs : 6541
 5 mntflushbuf : 1877
 6 cms_flushbufs : 9263
 7 boot : 2744
 8 panic : 1334
 9 rcnx_status_V1 : 4155
10 svr_rcnx_status_V1 : 76
11 icssvr_daemon_per_node : 1213


PROBLEM: (83248) (PATCH ID: TCR520-146)
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This patch fixes a boot hang on 'ics_mct: Node arrival waiting for out of line
node down cleanup to complete.'


PROBLEM: (94202, DSATM29S2) (PATCH ID: TCR520-200)
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This patch fixes a Clusterwide hang when there is lots of Memory Channel
traffic.


PROBLEM: (94792) (PATCH ID: TCR520-211)
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This patch addresses an assertion panic when a user program passes an invalid
pointer to the kernel via sys_call.  The following message on the console or in
/var/adm/messages;
PANIC: "cmn_err: CE_PANIC: ICS MCT Assertion failed: (ectx->el_flags & (1<<0)) 
== 0, file: ics_mct_oolencoder.c line: xxxx"


PROBLEM: (93293) (PATCH ID: TCR520-172)
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This patch addresses an assertion panic that can occur when another member is
in the process of going down.  The following message on the console or in 
/var/adm/messages;
"cmn_err: CE_PANIC: ICS MCT Assertion failed: icsmc_na[mc_node].ni_ptr != 0L,
 file: ics_mct_llmgmt.c. line xxxx"

Typical stack trace;

    crash> tf -q
    0 stop_secondary_cpu
    1 panic
    2 event_timeout
    3 printf
    4 panic
    5 cmn_err
    6 ics_mct_ref_rel
    7 ics_mctcli_llwaitfornothrottle
    8 icscli_waitfornothrottle
    9 icscli_handle_get
   10 cli_rcfsrec_ics_begin_lock_xfer
   11 cfs_rec_recover_filesystem
   12 cfs_rec_start_server