I have been running IET 0.3.3 on 2.4.27 on one machine, and cisco's
linux-iscsi on 2.6.8.1 on a second physical machine for a couple days
now. So far the only thing that I have run into is a dump message
concerning OOM on the linux-iscsi machine.
Sep 13 00:20:11 vhost1 kernel: iSCSI: 4.0.1 ( 9-Feb-2004) built for
Linux 2.6.8-tbc-vhost-Xen0
Sep 13 00:20:11 vhost1 kernel: iSCSI: will translate deferred sense to
current sense on disk command responses
Sep 13 00:20:11 vhost1 kernel: iSCSI: control device major number 254
Sep 13 00:20:11 vhost1 kernel: scsi_proc_hostdir_add: proc_mkdir failed
for <NULL>
Sep 13 00:20:11 vhost1 kernel: scsi17 : Cisco iSCSI driver
Sep 13 00:20:11 vhost1 kernel: iSCSI:detected HBA host #17
Sep 13 00:20:11 vhost1 kernel: iSCSI: bus 0 target 0 =
iqn.2001-04.dmz.iscsi1:wnhttp
Sep 13 00:20:11 vhost1 kernel: iSCSI: bus 0 target 0 portal 0 = address
10.11.7.1 port 3260 group 1
Sep 13 00:20:11 vhost1 kernel: iSCSI: starting timer thread at 21835751
Sep 13 00:20:11 vhost1 kernel: iSCSI: bus 0 target 0 trying to establish
session to portal 0, address 10.11.7.1 port 32
60 group 1
Sep 13 00:20:12 vhost1 kernel: iSCSI: session c1478000 authenticated by
target iqn.2001-04.dmz.iscsi1:wnhttp
Sep 13 00:20:12 vhost1 kernel: iSCSI: bus 0 target 0 established session
#1, portal 0, address 10.11.7.1 port 3260 grou
p 1
Sep 13 00:20:12 vhost1 kernel: Vendor: LINUX Model:
ISCSI Rev: 0
Sep 13 00:20:12 vhost1 kernel: Type:
Direct-Access ANSI SCSI revision: 03
Sep 13 00:20:12 vhost1 kernel: SCSI device sda: 16777212 512-byte hdwr
sectors (8590 MB)
Sep 13 00:20:12 vhost1 kernel: SCSI device sda: drive cache: write back
Sep 13 00:20:12 vhost1 kernel: sda: unknown partition table
Sep 13 00:20:12 vhost1 kernel: Attached scsi disk sda at scsi17, channel
0, id 0, lun 0
Sep 13 00:20:12 vhost1 kernel: Vendor: LINUX Model:
ISCSI Rev: 0
Sep 13 00:20:12 vhost1 kernel: Type:
Direct-Access ANSI SCSI revision: 03
Sep 13 00:20:12 vhost1 kernel: SCSI device sdb: 65536 512-byte hdwr
sectors (34 MB)
Sep 13 00:20:12 vhost1 kernel: SCSI device sdb: drive cache: write back
Sep 13 00:20:12 vhost1 kernel: sdb: unknown partition table
Sep 13 00:20:12 vhost1 kernel: Attached scsi disk sdb at scsi17, channel
0, id 0, lun 1
Sep 13 00:21:55 vhost1 kernel: ReiserFS: sda: found reiserfs format
"3.6" with standard journal
Sep 13 00:21:55 vhost1 kernel: ReiserFS: sda: using ordered data mode
Sep 13 00:21:55 vhost1 kernel: ReiserFS: sda: journal params: device
sda, size 8192, journal first block 18, max trans
len 1024, max batch 900, max commit age 30, max trans age 30
Sep 13 00:21:55 vhost1 kernel: ReiserFS: sda: checking transaction log
(sda)
Sep 13 00:21:55 vhost1 kernel: ReiserFS: sda: replayed 1 transactions in
0 seconds
Sep 13 00:21:55 vhost1 kernel: ReiserFS: sda: Using r5 hash to sort
names
Sep 13 00:28:51 vhost1 kernel: iscsi-tx: page allocation failure.
order:1, mode:0x20
Sep 13 00:28:51 vhost1 kernel: [__alloc_pages+728/848]
__alloc_pages+0x2d8/0x350
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [__get_free_pages+31/64]
__get_free_pages+0x1f/0x40
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [kmem_getpages+30/224]
kmem_getpages+0x1e/0xe0
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [cache_grow+159/336]
cache_grow+0x9f/0x150
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [cache_alloc_refill+318/512]
cache_alloc_refill+0x13e/0x200
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [__kmalloc+139/160] __kmalloc+0x8b/0xa0
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [alloc_skb+71/224] alloc_skb+0x47/0xe0
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [pg0+38296326/1002676224]
rhine_rx+0x156/0x460 [via_rhine]
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [pg0+38295340/1002676224]
rhine_interrupt+0x1ac/0x1d0 [via_rhine]
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [handle_IRQ_event+73/144]
handle_IRQ_event+0x49/0x90
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [do_IRQ+109/240] do_IRQ+0x6d/0xf0
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [evtchn_do_upcall+156/256]
evtchn_do_upcall+0x9c/0x100
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [hypervisor_callback+51/73]
hypervisor_callback+0x33/0x49
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [csum_partial_copy_generic+63/248]
csum_partial_copy_generic+0x3f/0xf8
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [tcp_sendmsg+578/4176]
tcp_sendmsg+0x242/0x1050
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [inet_sendmsg+77/96]
inet_sendmsg+0x4d/0x60
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [sock_sendmsg+165/192]
sock_sendmsg+0xa5/0xc0
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [__do_softirq+149/160]
__do_softirq+0x95/0xa0
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [do_softirq+69/80] do_softirq+0x45/0x50
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [do_IRQ+194/240] do_IRQ+0xc2/0xf0
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [pg0+39270168/1002676224]
iscsi_xmit_queued_cmnds+0x188/0x3c0 [iscsi]
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [pg0+39254271/1002676224]
iscsi_sendmsg+0x4f/0x70 [iscsi]
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [pg0+39271874/1002676224]
iscsi_xmit_data+0x472/0x8d0 [iscsi]
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [__do_softirq+149/160]
__do_softirq+0x95/0xa0
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [pg0+39273273/1002676224]
iscsi_xmit_r2t_data+0x119/0x1f0 [iscsi]
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [pg0+39165617/1002676224]
iscsi_tx_thread+0x711/0x8d0 [iscsi]
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [autoremove_wake_function+0/96]
autoremove_wake_function+0x0/0x60
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [autoremove_wake_function+0/96]
autoremove_wake_function+0x0/0x60
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [default_wake_function+0/32]
default_wake_function+0x0/0x20
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [pg0+39163808/1002676224]
iscsi_tx_thread+0x0/0x8d0 [iscsi]
Sep 13 00:28:51 vhost1 kernel:
Sep 13 00:28:51 vhost1 kernel: [kernel_thread_helper+5/16]
kernel_thread_helper+0x5/0x10
Sep 13 00:28:51 vhost1 kernel:
The only reason I'm posting the "trace" from linux-iscsi is because it
contains the hypervisor_callback function in it and it's in the rx phase
of the via_rhine driver.
What iscsi are you running on each machine? (Sorry if I missed it, been
offline for a few deays now. 8-( ) I'd be interested to know if this is
in any way similar to your issue.
Brian
On Tue, 2004-09-14 at 07:38, James Harper wrote:
> I'm now seeing this network hang a lot, to the point where it makes my
> iscsi testing unusable. I believe this is more to do with the sort of
> testing I'm doing now more so than a bug that has suddenly appeared.
>
> My setup is this:
> Dom0:
> 2.6.8.1
> Iscsitarget 0.3.3 + 2.6 patches + my own 2.6 patches.
> No conntrack or other netfilter related modules
> Bridged eth0 to Dom1
> /usr/src exported via nfs
>
> Dom1:
> 2.6.8.1
> Linux-iscsi 4.0.1.8
> No conntrack or other netfilter related modules
> /usr/src mounted from Dom0
>
> Iscsi works for a while, normally crashing in Dom0 due to another
> non-xen related bug before it hits this bug, but if I try to do a
> compile on Dom1 in the nfs mounted /usr/src, the network locks up almost
> instantly, but then clears up shortly after if I kill the compile.
>
> The logs show absolutely nothing of any use.
>
> I've just tried a few netperf tests. A quick hammering goes off without
> a hitch, but afterwards I see random dropped packets. I'll keep testing.
>
> James
>
>
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