linux-kernel - Re: linux-next: Tree for June 13 (soft lockup)

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Date:	Sun, 15 Jun 2008 09:33:35 -0700
From:	Randy Dunlap <randy.dunlap@...cle.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>
Cc:	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	shaggy@...tin.ibm.com
Subject: Re: linux-next: Tree for June 13 (soft lockup)

BUG: soft lockup - CPU#2 stuck for 61s! [udevd:30563]
CPU 2:
Modules linked in: jfs(-) parport_pc lp parport tg3 cciss ehci_hcd ohci_hcd uhci_hcd [last unloaded: jfs]
Pid: 30563, comm: udevd Not tainted 2.6.26-rc6-next-20080613 #1
RIP: 0010:[<ffffffff8021d43a>]  [<ffffffff8021d43a>] native_flush_tlb_others+0x6c/0x92
RSP: 0018:ffff810170127c38  EFLAGS: 00000202
RAX: 00000000000008f2 RBX: ffff810170127c68 RCX: 00007fff0fffffff
RDX: 00000000000008f2 RSI: 00000000000000f2 RDI: 0000000000000001
RBP: 00007fff10000000 R08: ffff81017fc02eac R09: ffff810170127c48
R10: 00000000636148a1 R11: 00000000af8ad1dc R12: ffffffff80224b1c
R13: ffff810170127bb8 R14: ffff8100010338c0 R15: 0000000000000282
FS:  00007fd407f48710(0000) GS:ffff81017fc02c80(0000) knlGS:00000000f7fb76c0
CS:  0010 DS: 0000 ES: 0000 CR0: 000000008005003b
CR2: 00007fd40765e090 CR3: 0000000172983000 CR4: 00000000000006e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400

Call Trace:
 [<ffffffff8021d436>] ? native_flush_tlb_others+0x68/0x92
 [<ffffffff8021d67f>] ? flush_tlb_mm+0x63/0x6c
 [<ffffffff80281e19>] ? exit_mmap+0xac/0xef
 [<ffffffff80231961>] ? mmput+0x42/0x98
 [<ffffffff8029f6d2>] ? flush_old_exec+0x4b2/0x7d0
 [<ffffffff802cd20d>] ? load_elf_binary+0x36c/0x1736
 [<ffffffff8029e4f3>] ? put_arg_page+0x9/0xb
 [<ffffffff8029e84b>] ? copy_strings+0x1cc/0x1dd
 [<ffffffff8029e94d>] ? search_binary_handler+0xa9/0x1fe
 [<ffffffff8029fcd9>] ? do_execve+0x14d/0x1da
 [<ffffffff8020a474>] ? sys_execve+0x3e/0x58
 [<ffffffff8020c24a>] ? stub_execve+0x6a/0xc0



This is on x86_64, 4 procs, 8 GB RAM.
Test running was fsx_linux on JFS.  fsx_linux terminated.
Looks like jfs module was being unloaded.

---
~Randy
'"Daemon' is an old piece of jargon from the UNIX operating system,
where it referred to a piece of low-level utility software, a
fundamental part of the operating system."
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