[ewg] FW: [Bug 637] OFED-1.2-20070522-0600 IPoIB Oops from "ifconfig ib0 down"

[Scott Weitzenkamp (sweitzen)]

OFED-1.2-20070522-0600 IPoIB CM is badly broken, "ifconfig ib0 down"
crashes every system I've tried it on.

Scott Weitzenkamp
SQA and Release Manager
Server Virtualization Business Unit
Cisco Systems
 

> -----Original Message-----
> From: bugzilla-daemon at lists.openfabrics.org 
> [mailto:bugzilla-daemon at lists.openfabrics.org] 
> Sent: Wednesday, May 23, 2007 9:21 AM
> To: Scott Weitzenkamp (sweitzen)
> Subject: [Bug 637] OFED-1.2-20070522-0600 IPoIB Oops from 
> "ifconfig ib0 down"
> 
> https://bugs.openfabrics.org/show_bug.cgi?id=637
> 
> 
> sweitzen at cisco.com changed:
> 
>            What    |Removed                     |Added
> --------------------------------------------------------------
> --------------
>             Summary|OFED-1.2-20070522-0600 
> IPoIB|OFED-1.2-20070522-0600 IPoIB
>                    |Oops restarting SM on host  |Oops from 
> "ifconfig ib0
>                    |                            |down"
> 
> 
> 
> 
> ------- Comment #3 from sweitzen at cisco.com  2007-05-23 09:21 -------
> "ifconfig ib0 down" is enough to trigger the problem.  From 
> SLES10 x86_64:
> 
> <May/23 09:02 am>Welcome to SUSE Linux Enterprise Server 10 
> (x86_64) - Kernel
> 2.
> 6.16.21-0.8-smp (ttyS0).
> 
> 
> <May/23 09:14 am>svbu-qa1850-3 login: NMI Watchdog detected 
> LOCKUP on CPU 3
> <May/23 09:14 am>CPU 3
> <May/23 09:14 am><May/23 09:14 am>Modules linked in: st 
> rdma_ucm rds ib_srp
> ib_s
> dp rdma_cm iw_cm ib_addr ib_local_sa bonding ib_ipoib ib_cm ib_sa ipv6
> ib_uverbs
>  ib_umad nfs lockd nfs_acl sunrpc ib_mthca ib_mad ib_core 
> dm_round_robin
> dm_mult
> ipath button battery ac apparmor aamatch_pcre loo<May/23 
> 09:14 am>p usbhid
> dm_mo
> d hw_random shpchp ide_cd uhci_hcd ehci_hcd pci_hotplug cdrom 
> i8xx_tco usbcore
> i
> de_floppy e1000 floppy reiserfs edd fan thermal processor 
> siimage sg mptspi
> mpts
> csih mptbase scsi_transport_spi piix sd_mod scsi_mod ide_disk ide_core
> <May/23 09:14 am>Pid: 18909, comm: ifconfig Tainted: G     U 
> 2.6.16.21-0.8-smp
> #
> 1
> <May/23 09:14 am>RIP: 0010:[<ffffffff802d011e>]
> <ffffffff802d011e>{.text.lock.sp
> inlock+34}
> <May/23 09:14 am>RSP: 0018:ffff810133345d20  EFLAGS: 00000086
> <May/23 09:14 am>RAX: 0000000000000046 RBX: ffff810133345ca0 RCX:
> ffff810131c504
> d0
> <May/23 09:14 am>RDX: ffff810131c504d0 RSI: ffff810131c50480 RDI:
> ffff8101422af5
> 00
> <May/23 09:14 am>RBP: ffff8101422af500 R08: 0000000000000246 R09:
> 00000000000000
> 26
> <May/23 09:14 am>R10: ffff810133345ccf R11: 0000000000003a98 R12:
> ffff810131c504
> 80
> <May/23 09:14 am>R13: ffff8101422af000 R14: ffff8101422af500 R15:
> ffff8101422af0
> 00
> <May/23 09:14 am>FS:  00002b9d279a96d0(0000) GS:ffff810142c6fa40(0000)
> knlGS:000
> 0000000000000
> <May/23 09:14 am>CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
> <May/23 09:14 am>CR2: 0000000000586978 CR3: 000000012a0c2000 CR4:
> 00000000000006
> e0
> <May/23 09:14 am>Process ifconfig (pid: 18909, threadinfo 
> ffff810133344000,
> task
>  ffff810130f90080)
> <May/23 09:14 am>Stack: ffffffff883ad025 ffff81013c2667c0 
> ffff810133345ca0
> ffff8
> 101422af500
> <May/23 09:14 am>       ffff810133345ca0 ffff8101422af000 
> ffff8101422af820
> 00000
> 00000000000
> <May/23 09:14 am>       ffffffff883ad4a2 ffff810131c50548
> <May/23 09:14 am>Call Trace: 
> <ffffffff883ad025>{:ib_ipoib:path_free+143}
> <May/23 09:14 am>       
> <ffffffff883ad4a2>{:ib_ipoib:ipoib_flush_paths+265}
> <May/23 09:14 am>       
> <ffffffff883aed2a>{:ib_ipoib:ipoib_ib_dev_down+172}
> <May/23 09:14 am>       <ffffffff883ad28b>{:ib_ipoib:ipoib_stop+101}
> <ffffffff80
> 275a1c>{dev_close+83}
> <May/23 09:14 am>       <ffffffff80274e94>{dev_change_flags+89}
> <ffffffff802b5d3
> e>{devinet_ioctl+565}
> <May/23 09:14 am>       <ffffffff8026de93>{sock_ioctl+527}
> <ffffffff8018b6b9>{do
> _ioctl+33}
> <May/23 09:14 am>       <ffffffff8018b94b>{vfs_ioctl+584}
> <ffffffff8018b9c6>{sys
> _ioctl+98}
> <May/23 09:14 am>       <ffffffff8010a7be>{system_call+126}
> 
> <May/23 09:14 am>Code: 83 3f 00 7e f9 e9 c2 fe ff ff f3 90 83 
> 3f 00 7e f9 e9 c1
> fe
> <May/23 09:14 am>console shuts up ...
> 
> I can also crash RHEL4 x86_64.
> 
> 
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