[ofa-general] rdma_cm issues in 2.6.21-rc1

[Steve Wise]

On Thu, 2007-03-01 at 15:29 -0800, Sean Hefty wrote:
> As just a note, I'm investigating two issues with the rdma_cm and 2.6.21-rc1.
> 
> Running ucmatose twice results in a failure binding to an address the second
> time that it's run.
> 
> I'm also seeing a kernel crash if ucmatose is killed while waiting for a
> connection.

Sean, 

dunno if this is the same issue, but I'm running 2.6.21-rc2 + master
branches of librdmacm, libibverbs, libmthca, and libcxgb3. 


Trying to rping results in this on the client:

[57452.461045] rping: Corrupted page table at address 2aaaaaaad068
[57452.461122] PGD 76e85067 PUD 72e5b067 PMD 63e55067 PTE 6b6b6b6b6b6b6027
[57452.461382] Bad pagetable: 000d [2] SMP
[57452.461544] CPU 1
[57452.461655] Modules linked in: nfs lockd nfs_acl sunrpc rdma_krping rdma_ucm rdma_cm ib_cm iw_cm ib_addr ib_uverbs ib_umad ib_ipoib ib_sa ib_mthca ib_mad iw_cxgb3 cxgb3 ib_core ipv6 af_packet button battery ac loop dm_mod e1000 parport_pc lp parport reiserfs edd fan thermal processor sg aic79xx scsi_transport_spi ata_piix libata piix sd_mod scsi_mod ide_disk ide_core
[57452.463974] Pid: 21376, comm: rping Not tainted 2.6.21-rc2 #1
[57452.464046] RIP: 0033:[<00002b3ea945abba>]  [<00002b3ea945abba>]
[57452.464167] RSP: 002b:00007fff01dcaa50  EFLAGS: 00010246
[57452.464239] RAX: 00002aaaaaaad000 RBX: 00000000005093b0 RCX: 0000000000000000
[57452.464314] RDX: 0000000000000009 RSI: 00007fff01dcabb0 RDI: 00000000005094b0
[57452.464390] RBP: 00000000005094b0 R08: 0000000000000300 R09: 00002b3ea8df9c00
[57452.464465] R10: 0000000000000000 R11: 00002b3ea8f081f0 R12: 0000000000000009
[57452.464540] R13: 00007fff01dcabb0 R14: 0000000000505190 R15: 0000000000000000
[57452.464615] FS:  00002b3ea9456c50(0000) GS:ffff8100013943d8(0000) knlGS:0000000000000000
[57452.464705] CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
[57452.464778] CR2: 00002aaaaaaad068 CR3: 000000006344e000 CR4: 00000000000006e0
[57452.464855] Process rping (pid: 21376, threadinfo ffff81006c9d8000, task ffff8100721fc8a0)
[57452.464946]
[57452.465009] RIP  [<00002b3ea945abba>]
[57452.465124]  RSP <00007fff01dcaa50>
vic14:~