Thomas Graf napisał(a):
Did you ever experience the same problems with other classful qdiscs such as
CBQ? Would it be possible for you to run a similar CBQ setup on a dummy device
and see if it happens as well? Is anything going on at the time of the
deadlocks like an interface going down etc.?
At the moment I can't make such CBQ configuration, because I have no
free time, too much work. But in about few weeks I am going to convert
that box 2.6.x kernels. After that if hangs don't stop, we can think
about converting that to CBQ, ok?
And by the way, today I got that in my logs:
Nov 22 17:50:01 sauron kernel: Unable to handle kernel NULL pointer
dereference at virtual address 00000000
Nov 22 17:50:01 sauron kernel: printing eip:
Nov 22 17:50:01 sauron kernel: f89cb555
Nov 22 17:50:01 sauron kernel: *pde = 00000000
Nov 22 17:50:01 sauron kernel: Oops: 0000
Nov 22 17:50:01 sauron kernel: CPU: 3
Nov 22 17:50:01 sauron kernel: EIP:
0010:[cls_u32:__insmod_cls_u32_O/lib/modules/2.4.26/kernel/net/sched/cls_+-146091/96]
Not tainted
Nov 22 17:50:01 sauron kernel: EFLAGS: 00010202
Nov 22 17:50:01 sauron kernel: eax: 000000b0 ebx: 00000000 ecx:
c02f9888 edx: 000000b0
Nov 22 17:50:01 sauron kernel: esi: f04a7dd8 edi: f4eb5068 ebp:
f4eb5068 esp: f04a7d90
Nov 22 17:50:01 sauron kernel: ds: 0018 es: 0018 ss: 0018
Nov 22 17:50:01 sauron kernel: Process tc (pid: 6600, stackpage=f04a7000)
Nov 22 17:50:01 sauron kernel: Stack: f4eb5000 00000930 c57fd824
c57fd800 f4eb5068 00000000 f4eb5060 c02021c5
Nov 22 17:50:01 sauron kernel: f4eb5000 f04a7dd8 e6eb8880
c92aab00 c57fd800 c92aab00 c57fd818 dc9a8e90
Nov 22 17:50:01 sauron kernel: f7ceb000 0000092f 00000000
00000000 00000001 c02020b4 e6eb8880 c57fd800
Nov 22 17:50:01 sauron kernel: Call Trace: [tc_dump_tclass+221/304]
[qdisc_class_dump+0/52] [netlink_dump+130/464] [skb_free_datagram+29/36]
[netlink_recvmsg+190/300]
Nov 22 17:50:01 sauron kernel: [netlink_recvmsg+229/300]
[sock_recvmsg+61/188] [sys_recvmsg+356/516] [handle_mm_fault+92/188]
[schedule+1115/1312] [pipe_write+518/616]
Nov 22 17:50:01 sauron kernel: [sys_socketcall+501/512]
[system_call+51/56]
Nov 22 17:50:01 sauron kernel:
Nov 22 17:50:01 sauron kernel: Code: 8b 03 0f 18 00 39 fb 75 c2 83 44 24
10 08 83 c5 08 ff 44 24
Nov 22 17:50:01 sauron kernel: <6>HTB init, kernel part version 3.16
And my HTB rules stopped working.
--
Michał Margula, alchemyx@xxxxxxxxxxxx, http://alchemyx.uznam.net.pl/
"W życiu piękne są tylko chwile" [Ryszard Riedel]
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