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RE: eth0 goes offline under heavy FTP load



>> Red Hat 5.5
>>
>> Under a heavy FTP load, my eth0 interface goes off line.  If I deactivate/activate then everything >> is fine until the next heavy load.
>>
>> Any ideas?

>I'd check dmesg to see if there are any messages .. specifically regarding conntrack
>
>Barry

I'm seeing stuff like this..

INFO: task vsftpd:3588 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
vsftpd        D ffff8100ec9946f0     0  3588   3581                     (NOTLB)
 ffff810098485c68 0000000000000082 0000000000000000 0000000000000000
 0000000000000000 0000000000000009 ffff81009f8de0c0 ffff8100c0a060c0
 000001c76ad9ce96 0000000000000a97 ffff81009f8de2a8 00000001a5f9c140
Call Trace:
 [<ffffffff80063ff8>] thread_return+0x62/0xfe
 [<ffffffff80064c6f>] __mutex_lock_slowpath+0x60/0x9b
 [<ffffffff80064cb9>] .text.lock.mutex+0xf/0x14
 [<ffffffff88035883>] :jbd:__log_wait_for_space+0x51/0xaa
 [<ffffffff88032040>] :jbd:start_this_handle+0x323/0x36c
 [<ffffffff800a1ba4>] autoremove_wake_function+0x0/0x2e
 [<ffffffff88032152>] :jbd:journal_start+0xc9/0x100
 [<ffffffff88053898>] :ext3:ext3_create+0x49/0x102
 [<ffffffff8000f5e1>] generic_permission+0x52/0xca
 [<ffffffff8003a8a2>] vfs_create+0xe6/0x158
 [<ffffffff8001b09a>] open_namei+0x19d/0x6d5
 [<ffffffff800274fb>] do_filp_open+0x1c/0x38
 [<ffffffff80019e1e>] do_sys_open+0x44/0xbe
 [<ffffffff8005e28d>] tracesys+0xd5/0xe0

jsvc[7261]: segfault at 0000000000000000 rip 0000003e2dc797e0 rsp 00007fffc1647b78 error 4
 connection1:0: ping timeout of 5 secs expired, recv timeout 5, last rx 4307712903, last ping 4307717903, now 4307722903
 connection1:0: detected conn error (1011)
eth1: Using EEPROM-set media 100baseTx-FDX.
eth1: no IPv6 routers present
eth0: Using EEPROM-set media 100baseTx-FDX.
eth0: no IPv6 routers present
mtrr: type mismatch for f8000000,400000 old: write-back new: write-combining



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