> > On Wed, 2011-01-12 at 18:42 -0800, Nithin Sujir wrote: > > This patch adds support to fcoe-utils to send the low-level driver name > into > > the libfcoe driver. This complements yi's driver v3 patches that change > the > > sysfs path and add the transport attach support. > > > > https://lists.open-fcoe.org/pipermail/devel/2011-January/010946.html > > > > The following changes are added. > > > > 1. DRIVER_NAME field in cfg-ethx file. fcoemon will now send > "interface:driver > > name" string into the libfcoe driver to allow it to invoke the right > transport > > driver functions. > > > > 2. SUPPORTED_DRIVERS field in the config file allows the service to > load all > > supported drivers if they exist. > > > > 3. The check for if driver is loaded is moved to the fcoe service since > it > > already knows which are the supported drivers. > > > > > > Signed-off-by: Nithin Nayak Sujir <[email protected]> > > --- > > doc/fcoemon.txt | 3 ++ > > etc/cfg-ethx | 5 ++++ > > etc/config | 4 +++ > > etc/initd/initd.fedora | 23 +++++++++++++++++- > > etc/initd/initd.suse | 25 ++++++++++++++++++- > > fcoemon.c | 59 +++++++++++++++++++++++++++++++++++----- > -------- > > include/fcoe_utils.h | 4 ++- > > 7 files changed, 102 insertions(+), 21 deletions(-) > > > > Hi Nithin, Bhanu and Yi, > > We need an update to the fcoeadm man page, can you resend this with > that addition? > > Also, I was trying to test Yi/Bhanu's v3 kernel series with this > fcoe-utils patch and I can't get things to work. > > After running 'fipvlan -ac' interface 'eth3.170-fcoe' is created. > When I try to create on that interface using 'fcoeadm -c eth3.170-fcoe' > nothing happens except for the kernel reporting, "fcoe_transport_create: > transport n/a failed to create fcoe on n/a" > When I try 'fcoeadm -c eth3.170-fcoe:fcoe' I get the following system > panic. > > With fcoe.ko how are you expecting the user to use 'fcoeadm -c', with > the ':<driver>' or not? I think that it should default to the SW FCoE if > there isn't a driver specified so that the current interface for SW FCoE > doesn't have to change (scripts, etc...). > > Jan 17 17:27:53 bubba [ 143.849554] fcoe_transport_create: transport > n/a failed to create fcoe on n/a > Jan 17 17:29:11 bubba [ 221.931904] kernel tried to execute > NX-protected page - exploit attempt? (uid: 0)
It's not really a panic, I was able to reproduce this as this was caused by the bug that no error returned even no transport was attached, then it was trying to go on call ft->create(), which is not right. I'll get it fixed. Anyway, we need a v4 on this and I will also roll in your previous comments as well. Thanks, yi > Jan 17 17:29:11 bubba [ 221.931984] BUG: unable to handle kernel > Jan 17 17:29:11 bubba paging request > Jan 17 17:29:11 bubba at ffff88013a9e2e00 > Jan 17 17:29:11 bubba [ 221.932166] IP: > Jan 17 17:29:11 bubba [<ffff88013a9e2e00>] 0xffff88013a9e2e00 > Jan 17 17:29:11 bubba [ 221.932291] PGD 1a04063 > Jan 17 17:29:11 bubba PUD bf782067 > Jan 17 17:29:11 bubba PMD 800000013a8001e3 > Jan 17 17:29:11 bubba > Jan 17 17:29:11 bubba [ 221.932527] Oops: 0011 [#1] > Jan 17 17:29:11 bubba SMP > Jan 17 17:29:11 bubba > Jan 17 17:29:11 bubba [ 221.932900] last sysfs > file: /sys/module/libfcoe/parameters/create > Jan 17 17:29:11 bubba [ 221.933168] CPU 0 > Jan 17 17:29:11 bubba > Jan 17 17:29:11 bubba [ 221.933230] Modules linked in: > Jan 17 17:29:11 bubba fcoe > Jan 17 17:29:11 bubba libfcoe > Jan 17 17:29:11 bubba libfc > Jan 17 17:29:11 bubba scsi_transport_fc > Jan 17 17:29:11 bubba [last unloaded: libfc] > Jan 17 17:29:11 bubba > Jan 17 17:29:11 bubba [ 221.934304] > Jan 17 17:29:11 bubba [ 221.934567] Pid: 2209, comm: fcoemon Not > tainted 2.6.37-rc6+ #5 X8DT3/X8DT3 > Jan 17 17:29:11 bubba [ 221.934843] RIP: 0010:[<ffff88013a9e2e00>] > Jan 17 17:29:11 bubba [<ffff88013a9e2e00>] 0xffff88013a9e2e00 > Jan 17 17:29:11 bubba [ 221.935370] RSP: 0018:ffff8803327dddb0 EFLAGS: > 00010286 > Jan 17 17:29:11 bubba [ 221.935638] RAX: ffff88013a9e2e00 RBX: > ffffffffa0037578 RCX: 0000000000000006 > Jan 17 17:29:11 bubba [ 221.935913] RDX: ffffffffa00375a0 RSI: > 0000000000000004 RDI: ffff88013aa4d000 > Jan 17 17:29:11 bubba [ 221.936185] RBP: ffff8803327dde58 R08: > ffffffffa00375a0 R09: 0000ea0268012318 > Jan 17 17:29:11 bubba [ 221.936458] R10: ffff8803327ddd88 R11: > 0000000000000004 R12: ffff88013f802600 > Jan 17 17:29:11 bubba [ 221.936731] R13: ffff88013aa4d000 R14: > ffff88013a9e2e00 R15: 0000000000000020 > Jan 17 17:29:11 bubba [ 221.937003] FS: 00007f42d8c3d720(0000) > GS:ffff8800bf400000(0000) knlGS:0000000000000000 > Jan 17 17:29:11 bubba [ 221.937477] CS: 0010 DS: 0000 ES: 0000 CR0: > 0000000080050033 > Jan 17 17:29:11 bubba [ 221.937746] CR2: ffff88013a9e2e00 CR3: > 0000000331056000 CR4: 00000000000006f0 > Jan 17 17:29:11 bubba [ 221.938018] DR0: 0000000000000000 DR1: > 0000000000000000 DR2: 0000000000000000 > Jan 17 17:29:11 bubba [ 221.938294] DR3: 0000000000000000 DR6: > 00000000ffff0ff0 DR7: 0000000000000400 > Jan 17 17:29:11 bubba [ 221.938566] Process fcoemon (pid: 2209, > threadinfo ffff8803327dc000, task ffff88032e7f20a0) > Jan 17 17:29:11 bubba [ 221.939041] Stack: > Jan 17 17:29:11 bubba [ 221.939302] ffffffffa0036217 > Jan 17 17:29:11 bubba ffff880138b71be0 > Jan 17 17:29:11 bubba 0000000000000004 > Jan 17 17:29:11 bubba 0000000000000066 > Jan 17 17:29:11 bubba > Jan 17 17:29:11 bubba [ 221.939998] ffffffff81057a8d > Jan 17 17:29:11 bubba ffffffff81a18738 > Jan 17 17:29:11 bubba ffffffff81a18710 > Jan 17 17:29:11 bubba 2222222222222222 > Jan 17 17:29:11 bubba > Jan 17 17:29:11 bubba [ 221.940698] 2222222222222222 > Jan 17 17:29:11 bubba 3037312e33687465 > Jan 17 17:29:11 bubba 222200656f63662d > Jan 17 17:29:11 bubba ffff880300000000 > Jan 17 17:29:11 bubba > Jan 17 17:29:11 bubba [ 221.941398] Call Trace: > Jan 17 17:29:11 bubba [ 221.941676] [<ffffffffa0036217>] ? > fcoe_transport_create+0x18e/0x227 [libfcoe] > Jan 17 17:29:11 bubba [ 221.942159] [<ffffffff81057a8d>] ? > param_attr_store+0x36/0x62 > Jan 17 17:29:11 bubba [ 221.942435] [<ffffffff81057a9a>] > param_attr_store+0x43/0x62 > Jan 17 17:29:11 bubba [ 221.942710] [<ffffffff810576c8>] > module_attr_store+0x21/0x25 > Jan 17 17:29:11 bubba [ 221.942984] [<ffffffff8114a837>] > sysfs_write_file+0x103/0x13f > Jan 17 17:29:11 bubba [ 221.943261] [<ffffffff810f2c4f>] vfs_write > +0xa9/0x105 > Jan 17 17:29:11 bubba [ 221.943534] [<ffffffff810f2d61>] sys_write > +0x45/0x69 > Jan 17 17:29:11 bubba [ 221.943810] [<ffffffff810029bb>] > system_call_fastpath+0x16/0x1b > Jan 17 17:29:11 bubba [ 221.944084] Code: > Jan 17 17:29:11 bubba 00 > Jan 17 17:29:11 bubba ad > Jan 17 17:29:11 bubba de > Jan 17 17:29:11 bubba 01 > Jan 17 17:29:11 bubba 00 > Jan 17 17:29:11 bubba 00 > Jan 17 17:29:11 bubba 00 > Jan 17 17:29:11 bubba 00 > Jan 17 17:29:11 bubba 00 > Jan 17 17:29:11 bubba 00 > Jan 17 17:29:11 bubba 00 > Jan 17 17:29:11 bubba c0 > Jan 17 17:29:11 bubba 2d > Jan 17 17:29:11 bubba 9e > Jan 17 17:29:11 bubba 3a > Jan 17 17:29:11 bubba 01 > Jan 17 17:29:11 bubba 88 > Jan 17 17:29:11 bubba ff > Jan 17 17:29:11 bubba ff > Jan 17 17:29:11 bubba 00 > Jan 17 17:29:11 bubba 01 > Jan 17 17:29:11 bubba 10 > Jan 17 17:29:11 bubba 00 > Jan 17 17:29:11 bubba 00 > Jan 17 17:29:11 bubba 00 > Jan 17 17:29:11 bubba ad > Jan 17 17:29:11 bubba de > Jan 17 17:29:11 bubba 00 > Jan 17 17:29:11 bubba 02 > Jan 17 17:29:11 bubba 20 > Jan 17 17:29:11 bubba 00 > Jan 17 17:29:11 bubba 00 > Jan 17 17:29:11 bubba 00 > Jan 17 17:29:11 bubba ad > Jan 17 17:29:11 bubba de > Jan 17 17:29:11 bubba 01 > Jan 17 17:29:11 bubba 00 > Jan 17 17:29:11 bubba 00 > Jan 17 17:29:11 bubba 00 > Jan 17 17:29:11 bubba 00 > Jan 17 17:29:11 bubba 00 > Jan 17 17:29:11 bubba 00 > Jan 17 17:29:11 bubba 00 > Jan 17 17:29:11 bubba syslog-ng[1086]: Error processing log message: > <a0> > Jan 17 17:29:11 bubba 75 > Jan 17 17:29:11 bubba 03 > Jan 17 17:29:11 bubba a0 > Jan 17 17:29:11 bubba ff > Jan 17 17:29:11 bubba ff > Jan 17 17:29:11 bubba ff > Jan 17 17:29:11 bubba ff > Jan 17 17:29:11 bubba a0 > Jan 17 17:29:11 bubba 75 > Jan 17 17:29:11 bubba 03 > Jan 17 17:29:11 bubba a0 > Jan 17 17:29:11 bubba ff > Jan 17 17:29:11 bubba ff > Jan 17 17:29:11 bubba ff > Jan 17 17:29:11 bubba ff > Jan 17 17:29:11 bubba 00 > Jan 17 17:29:11 bubba d0 > Jan 17 17:29:11 bubba a4 > Jan 17 17:29:11 bubba 3a > Jan 17 17:29:11 bubba 01 > Jan 17 17:29:11 bubba > Jan 17 17:29:11 bubba [ 221.948420] RIP > Jan 17 17:29:11 bubba [<ffff88013a9e2e00>] 0xffff88013a9e2e00 > Jan 17 17:29:11 bubba [ 221.948744] RSP <ffff8803327dddb0> > Jan 17 17:29:11 bubba [ 221.949007] CR2: ffff88013a9e2e00 > Jan 17 17:29:11 bubba [ 221.949273] ---[ end trace > 956a5017d1e75a2a ]--- > Jan 17 17:29:11 bubba [ 221.949541] BUG: sleeping function called from > invalid context at kernel/rwsem.c:21 > Jan 17 17:29:11 bubba [ 221.950013] in_atomic(): 0, irqs_disabled(): 1, > pid: 2209, name: fcoemon > Jan 17 17:29:11 bubba [ 221.950282] INFO: lockdep is turned off. > Jan 17 17:29:11 bubba [ 221.950544] irq event stamp: 13760 > Jan 17 17:29:11 bubba [ 221.950808] hardirqs last enabled at (13759): > Jan 17 17:29:11 bubba [<ffffffff8150461f>] _raw_write_unlock_irqrestore > +0x3a/0x41 > Jan 17 17:29:11 bubba [ 221.951341] hardirqs last disabled at (13760): > Jan 17 17:29:11 bubba [<ffffffff81505303>] error_sti+0x5/0x6 > Jan 17 17:29:11 bubba [ 221.951873] softirqs last enabled at (13584): > Jan 17 17:29:11 bubba [<ffffffff81044a28>] __do_softirq+0x1c9/0x1f2 > Jan 17 17:29:11 bubba [ 221.952404] softirqs last disabled at (13575): > Jan 17 17:29:11 bubba [<ffffffff8100390c>] call_softirq+0x1c/0x34 > Jan 17 17:29:11 bubba [ 221.952936] Pid: 2209, comm: fcoemon Tainted: G > D 2.6.37-rc6+ #5 > Jan 17 17:29:11 bubba [ 221.953206] Call Trace: > Jan 17 17:29:11 bubba [ 221.953476] [<ffffffff810681fd>] ? > print_irqtrace_events+0xd0/0xd4 > Jan 17 17:29:11 bubba [ 221.953754] [<ffffffff810361f0>] __might_sleep > +0xef/0xf3 > Jan 17 17:29:11 bubba [ 221.954030] [<ffffffff81503a65>] down_read > +0x1f/0x5c > Jan 17 17:29:11 bubba [ 221.954304] [<ffffffff8107c9ac>] acct_collect > +0x3f/0x17c > Jan 17 17:29:11 bubba [ 221.954579] [<ffffffff8104224c>] do_exit > +0x1d2/0x779 > Jan 17 17:29:11 bubba [ 221.954857] [<ffffffff8103eb07>] ? > spin_unlock_irqrestore+0x9/0xb > Jan 17 17:29:11 bubba [ 221.955132] [<ffffffff8103f624>] ? kmsg_dump > +0x136/0x150 > Jan 17 17:29:11 bubba [ 221.955407] [<ffffffff81505d4b>] oops_end > +0xb1/0xb9 > Jan 17 17:29:11 bubba [ 221.955684] [<ffffffff810277a9>] no_context > +0x1f7/0x206 > Jan 17 17:29:11 bubba [ 221.955957] [<ffffffff81027948>] > __bad_area_nosemaphore+0x190/0x1b3 > Jan 17 17:29:11 bubba [ 221.956234] [<ffffffff81027979>] > bad_area_nosemaphore+0xe/0x10 > Jan 17 17:29:11 bubba [ 221.956510] [<ffffffff81507e48>] do_page_fault > +0x1ed/0x3ff > Jan 17 17:29:11 bubba [ 221.956790] [<ffffffff810f0d5f>] ? > create_object+0x1d8/0x2a1 > Jan 17 17:29:11 bubba [ 221.957064] [<ffffffff81069f4f>] ? mark_lock > +0x2d/0x25c > Jan 17 17:29:11 bubba [ 221.957339] [<ffffffff8106a1d0>] ? > mark_held_locks+0x52/0x70 > Jan 17 17:29:11 bubba [ 221.957620] [<ffffffff8150461f>] ? > _raw_write_unlock_irqrestore+0x3a/0x41 > Jan 17 17:29:11 bubba [ 221.957898] [<ffffffff815042d7>] ? > trace_hardirqs_off_thunk+0x3a/0x3c > Jan 17 17:29:11 bubba [ 221.958176] [<ffffffff8150511f>] page_fault > +0x1f/0x30 > Jan 17 17:29:11 bubba [ 221.958455] [<ffffffffa0036217>] ? > fcoe_transport_create+0x18e/0x227 [libfcoe] > Jan 17 17:29:11 bubba [ 221.958937] [<ffffffff81057a8d>] ? > param_attr_store+0x36/0x62 > Jan 17 17:29:11 bubba [ 221.959212] [<ffffffff81057a9a>] > param_attr_store+0x43/0x62 > Jan 17 17:29:11 bubba [ 221.959488] [<ffffffff810576c8>] > module_attr_store+0x21/0x25 > Jan 17 17:29:11 bubba [ 221.959767] [<ffffffff8114a837>] > sysfs_write_file+0x103/0x13f > Jan 17 17:29:11 bubba [ 221.960044] [<ffffffff810f2c4f>] vfs_write > +0xa9/0x105 > Jan 17 17:29:11 bubba [ 221.960317] [<ffffffff810f2d61>] sys_write > +0x45/0x69 > Jan 17 17:29:11 bubba [ 221.960589] [<ffffffff810029bb>] > system_call_fastpath+0x16/0x1b > > Thanks, //Rob _______________________________________________ devel mailing list [email protected] https://lists.open-fcoe.org/mailman/listinfo/devel
