Or Gerlitz wrote: > Hi Erez, Mike, > > testing with 2.6.26-rc2 I get the below nice oops with iser but not with tcp > :( > attached is my compressed .config, also I am using some derivative of 2.0-865, > so I will move tomorrow to -869 but I wonder if you have any insight for > this trace. The two warnings on the hwscan program don't seem very nice, > thoughts? > > Or. > > # iscsid -v > iscsid version 2.0-865 > > # rpm -qi > > rpm -qi open-iscsi > Name : open-iscsi Relocations: (not relocatable) > Version : 2.0 Vendor: Voltaire Inc. > Release : b4fae5f2fb14aaf7a92ff2f454c74081c552818c Build Date: Tue Jan > 29 11:03:13 2008 > Install date: Tue Jan 29 11:04:58 2008 Build Host: dill.voltaire.com > Group : Productivity/Networking/Other Source RPM: > open-iscsi-generic-2.0-b4fae5f2fb14aaf7a92ff2f454c74081c552818c.src.rpm > Size : 5645667 License: GPL > Signature : (none) > Packager : Erez Zilber <[EMAIL PROTECTED]> > Summary : Linux* Open-iSCSI Software Initiator > > > ib1: no IPv6 routers present > Loading iSCSI transport class v2.0-869. > iscsi: registered transport (tcp) > iscsi: registered transport (iser) > iser: iser_connect:connecting to: 192.168.10.55, port 0xbc0c > iser: iser_cma_handler:event 0 conn ffff81001c91a4d0 id ffff81001c1340d8 > iser: iser_cma_handler:event 2 conn ffff81001c91a4d0 id ffff81001c1340d8 > iser: iser_create_ib_conn_res:setting conn ffff81001c91a4d0 cma_id > ffff81001c1340d8: fmr_pool ffff81002db6b470 qp ffff8100300a86e0 > iser: iser_cma_handler:event 9 conn ffff81001c91a4d0 id ffff81001c1340d8 > iser: iscsi_iser_ep_poll:ib conn ffff81001c91a4d0 rc = 1 > scsi0 : iSCSI Initiator over iSER, v.0.1 > iser: iscsi_iser_conn_bind:binding iscsi conn ffff810010c08f08 to iser_conn > ffff81001c91a4d0 > scsi 0:0:0:0: Direct-Access vendor vendor DISK v1.0 PQ: 0 ANSI: 4 > sd 0:0:0:0: [sda] 34789376 512-byte hardware sectors (17812 MB) > sd 0:0:0:0: [sda] Write Protect is off > sd 0:0:0:0: [sda] Mode Sense: 99 00 10 08 > sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, supports DPO > and FUA > sd 0:0:0:0: [sda] 34789376 512-byte hardware sectors (17812 MB) > sd 0:0:0:0: [sda] Write Protect is off > sd 0:0:0:0: [sda] Mode Sense: 99 00 10 08 > sd 0:0:0:0: [sda] Write cache: disabled, read cache: enabled, supports DPO > and FUA > sda: unknown partition table > sd 0:0:0:0: [sda] Attached SCSI disk > sd 0:0:0:0: Attached scsi generic sg0 type 0 > Program hwscan tried to access /dev/mem between f9000->10a000. > program hwscan is using a deprecated SCSI ioctl, please convert it to SG_IO > BUG: unable to handle kernel NULL pointer dereference at 0000000000000698 > IP: [<ffffffff8025a91a>] get_page_from_freelist+0x60/0x594 > PGD dd3b067 PUD 1c166067 PMD 0 > Oops: 0000 [1] SMP > CPU 1 > Modules linked in: ib_iser rdma_cm iw_cm ib_addr iscsi_tcp libiscsi > scsi_transport_iscsi ib_ipoib ib_cm ib_sa ipv6 sg st sd_mod sr_mod scsi_mod > ib_mthca ib_mad ib_core e100 i2c_amd756 i2c_amd8111 i2c_core > Pid: 16520, comm: hwscan Not tainted 2.6.26-rc2 #3 > RIP: 0010:[<ffffffff8025a91a>] [<ffffffff8025a91a>] > get_page_from_freelist+0x60/0x594 > RSP: 0018:ffff81002f96d918 EFLAGS: 00010282 > RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff81002f96d970 > RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff810020002e68 > RBP: 00000000000692d1 R08: 0000000000000000 R09: 0000000000000044 > R10: 0000000000000000 R11: 0000000000000246 R12: ffff810020002e48 > R13: ffff810020002e40 R14: 0000000000000000 R15: 0000000000000000 > FS: 00007f205a7054c0(0000) GS:ffff81003f917d58(0000) knlGS:0000000000000000 > CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b > CR2: 0000000000000698 CR3: 0000000012814000 CR4: 00000000000006e0 > DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 > DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 > Process hwscan (pid: 16520, threadinfo ffff81002f96c000, task > ffff81002b165100) > Stack: 0000000000000000 ffff81002f96d948 0000000000000000 0000000000000000 > 0000000000000000 ffffffff8022683d 0000000000000044 ffff810020002e40 > 0000000000000000 000612d180227482 0000000000000002 0000000000000000 > Call Trace: > [<ffffffff8022683d>] ? __resched_task+0x64/0x66 > [<ffffffff8025afaf>] ? __alloc_pages_internal+0xab/0x3cd > [<ffffffff802794f5>] ? kmem_getpages+0x99/0x149 > [<ffffffff80279952>] ? cache_grow+0x9c/0x33d > [<ffffffff80279e60>] ? cache_alloc_refill+0x26d/0x2b9 > [<ffffffff803217fd>] ? sg_scsi_ioctl+0xd4/0x2e9 > [<ffffffff8027a2fe>] ? __kmalloc+0xe7/0x179 > [<ffffffff803217fd>] ? sg_scsi_ioctl+0xd4/0x2e9 > [<ffffffffa0057b06>] ? :scsi_mod:scsi_request_fn+0x346/0x363 > [<ffffffff80255475>] ? sync_page+0x0/0x45 > [<ffffffff80321dbb>] ? scsi_cmd_ioctl+0x3a9/0x3ee > [<ffffffff80255464>] ? __lock_page+0x7d/0x83 > [<ffffffff802407cd>] ? wake_bit_function+0x0/0x23 > [<ffffffff802557a4>] ? add_to_page_cache+0x6f/0x84 > [<ffffffff802407cd>] ? wake_bit_function+0x0/0x23 > [<ffffffff80278306>] ? poison_obj+0x35/0x43 > [<ffffffff802784fa>] ? cache_free_debugcheck+0x1e6/0x1f5 > [<ffffffffa0080771>] ? :sd_mod:sd_ioctl+0x95/0xc3 > [<ffffffff8031f738>] ? blkdev_driver_ioctl+0x54/0x66 > [<ffffffff8031fe99>] ? blkdev_ioctl+0x744/0x75b > [<ffffffff802a236c>] ? blkdev_open+0x0/0x5b > [<ffffffff802a2399>] ? blkdev_open+0x2d/0x5b > [<ffffffff8027d1dd>] ? __dentry_open+0x14b/0x234 > [<ffffffff8027d36b>] ? nameidata_to_filp+0x26/0x35 > [<ffffffff80287b2d>] ? do_filp_open+0x392/0x759 > [<ffffffff802a17cf>] ? block_ioctl+0x18/0x1d > [<ffffffff802895f9>] ? vfs_ioctl+0x29/0x6f > [<ffffffff8028989c>] ? do_vfs_ioctl+0x25d/0x26c > [<ffffffff802898e7>] ? sys_ioctl+0x3c/0x61 > [<ffffffff8020b17b>] ? system_call_after_swapgs+0x7b/0x80 > > > Code: 44 24 34 44 89 4c 24 30 48 c7 44 24 18 00 00 00 00 c7 44 24 14 00 00 00 > 00 c7 44 24 10 00 00 00 00 e8 5f 5d 00 00 48 8b 44 24 58 <48> 2b 80 98 06 00 > 00 48 c1 f8 08 69 c0 b7 6d db b6 89 44 24 24 > RIP [<ffffffff8025a91a>] get_page_from_freelist+0x60/0x594 > RSP <ffff81002f96d918> > CR2: 0000000000000698 > ---[ end trace 91fc8fbfba7644e6 ]---
I have not seen it before. You might want to report to linux-scsi or lkml if it is regression between mainline kernels. I do not think iser has come into play in the trace. We are just setting up the sg io open/IO. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "open-iscsi" group. To post to this group, send email to open-iscsi@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/open-iscsi -~----------~----~----~----~------~----~------~--~---