From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 13452] New: When log in a iscsi target it's fail and there is a
bug scsi related
Date: Thu, 4 Jun 2009 08:16:23 GMT
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http://bugzilla.kernel.org/show_bug.cgi?id=13452
Summary: When log in a iscsi target it's fail and there is a
bug scsi related
Product: SCSI Drivers
Version: 2.5
Kernel Version: 2.6.27.5-xen.hg
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: Other
AssignedTo: scsi_drivers-other@kernel-bugs.osdl.org
ReportedBy: jrodriguez@ari.es
Regression: No
I'm using a 2.6.27.5-hg Xen kernel. Modules iscsi_tcp and libiscsi are loaded
but when I log in a target iscsi syslog says that there is a kernel bug in
/var/xen/linux-2.6.27-xen.hg/drivers/scsi/scsi_lib.c:1759. I have download a
mainline kernel 2.6.27.5 and the source code differs.
2.6.27.5-xen.hg
1757 struct device *dev = dev_to_nonscsi_dev(shost->shost_gendev.parent);
1759 BUG_ON(!dev);
2.6.27.5 mainline
1634 struct device *dev = shost->shost_gendev.parent;
I suposse that the Xen kernel is patched with "[PATCH][REPOST] scsi_lib_dma.c :
fix bug w/ dma on virtual fc ports." so i'm not sure if another kernel upper
2.6.27.5 are "bugged?".
Thank you.
This is the syslog trace:
Jun 4 09:14:58 xen2 kernel: ------------[ cut here ]------------
Jun 4 09:14:58 xen2 kernel: kernel BUG at
/var/xen/linux-2.6.27-xen.hg/drivers/scsi/scsi_lib.c:1759!
Jun 4 09:14:58 xen2 kernel: invalid opcode: 0000 [#1] SMP
Jun 4 09:14:58 xen2 kernel: last sysfs file: /sys/class/scsi_host/host1/scan
Jun 4 09:14:58 xen2 kernel: Modules linked in: crc32c(N) iscsi_tcp(FN)
libiscsi(FN) scsi_transport_iscsi(FN) button(N) thermal(N) processor(N) fan(N)
th
ermal_sys(N)
Jun 4 09:14:58 xen2 kernel: Supported: No
Jun 4 09:14:58 xen2 kernel:
Jun 4 09:14:58 xen2 kernel: Pid: 26876, comm: iscsid Tainted: GF
(2.6.27.5 #3)
Jun 4 09:14:58 xen2 kernel: EIP: 0061:[] EFLAGS: 00010246 CPU: 0
Jun 4 09:14:58 xen2 kernel: EIP is at __scsi_alloc_queue+0x12c/0x140
Jun 4 09:14:58 xen2 kernel: EAX: 00000000 EBX: ed4cf800 ECX: 00000000 EDX:
c031f430
Jun 4 09:14:58 xen2 kernel: ESI: 00000000 EDI: ec2b0400 EBP: ebbdfd90 ESP:
ebbdfd70
Jun 4 09:14:58 xen2 kernel: DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0069
Jun 4 09:14:58 xen2 kernel: Process iscsid (pid: 26876, ti=ebbde000
task=ebb24b10 task.ti=ebbde000)
Jun 4 09:14:58 xen2 kernel: Stack: ebbdfd80 ee332820 00000000 eb860e8c
c031f430 ed4cf800 ebbfba00 ebbfba14
Jun 4 09:14:58 xen2 kernel: ebbdfd9c c031fa10 ed4cf800 ebbdfdc4
c0320ae2 00000000 ebbdfdc4 ec2b0400
Jun 4 09:14:58 xen2 kernel: 00000001 00000000 00000000 00000000
ebbfba00 ebbdfdf0 c03218c0 ebbfba04
Jun 4 09:14:58 xen2 kernel: Call Trace:
Jun 4 09:14:58 xen2 kernel: [] ? iscsi_session_match+0x10/0x70
[scsi_transport_iscsi]
Jun 4 09:14:58 xen2 kernel: [] ? scsi_request_fn+0x0/0x460
Jun 4 09:14:58 xen2 kernel: [] ? scsi_alloc_queue+0x10/0x50
Jun 4 09:14:58 xen2 kernel: [] ? scsi_alloc_sdev+0x132/0x1e0
Jun 4 09:14:58 xen2 kernel: [] ? scsi_probe_and_add_lun+0x1d0/0x270
Jun 4 09:14:58 xen2 kernel: [] ? __scsi_scan_target+0xb0/0xe0
Jun 4 09:14:58 xen2 kernel: [] ? scsi_scan_target+0xb5/0xc0
Jun 4 09:14:58 xen2 kernel: [] ? iscsi_user_scan_session+0xdb/0xf0
[scsi_transport_iscsi]
Jun 4 09:14:58 xen2 kernel: [] ? iscsi_user_scan_session+0x0/0xf0
[scsi_transport_iscsi]
Jun 4 09:14:58 xen2 kernel: [] ? device_for_each_child+0x29/0x50
Jun 4 09:14:58 xen2 kernel: [] ? iscsi_user_scan+0x24/0x30
[scsi_transport_iscsi]
Jun 4 09:14:58 xen2 kernel: [] ? scsi_scan+0x9d/0xd0
Jun 4 09:14:58 xen2 kernel: [] ? __alloc_pages_internal+0x9b/0x3a0
Jun 4 09:14:58 xen2 kernel: [] ? store_scan+0x0/0x20
Jun 4 09:14:58 xen2 kernel: [] ? store_scan+0xf/0x20
Jun 4 09:14:58 xen2 kernel: [] ? dev_attr_store+0x2f/0x40
Jun 4 09:14:58 xen2 kernel: [] ? flush_write_buffer+0x47/0x70
Jun 4 09:14:58 xen2 kernel: [] ? sysfs_write_file+0x44/0x70
Jun 4 09:14:58 xen2 kernel: [] ? vfs_write+0x91/0x140
Jun 4 09:14:58 xen2 kernel: [] ? sys_write+0x44/0xb0
Jun 4 09:14:58 xen2 kernel: [] ? syscall_call+0x7/0xb
Jun 4 09:14:58 xen2 kernel: =======================
Jun 4 09:14:58 xen2 kernel: Code: b6 87 ac 00 00 00 c0 e8 03 83 e0 01 75 07 0f
b3 83 34 01 00 00 89 d8 ba 03 00 00 00 e8 ae 2e f0 ff 89 d8 83 c4 14 5b 5
e 5f 5d c3 <0f> 0b eb fe ba 00 00 01 00 eb c2 89 f6 8d bc 27 00 00 00 00 55
Jun 4 09:14:58 xen2 kernel: EIP: [] __scsi_alloc_queue+0x12c/0x140
SS:ESP 0069:ebbdfd70
Jun 4 09:14:58 xen2 kernel: ---[ end trace 33a0f0dfcb966cb4 ]---
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