linux-kernel - 2.6.19-rc2 DWARF unwinder stuck ehci_iaa

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Date:	Sat, 28 Oct 2006 15:15:22 +0200
From:	"Alessandro Suardi" <alessandro.suardi@...il.com>
To:	"Linux Kernel" <linux-kernel@...r.kernel.org>
Subject: 2.6.19-rc2 DWARF unwinder stuck ehci_iaa_watchdog

Non-fatal trace coming from my K7-800 running FC5
 with a 2.6.19-rc2 kernel (which will soon be rebooted
 into 2.6.19-rc3-git4):

[73003.806189] BUG: warning at drivers/usb/host/ehci-hcd.c:274/ehci_iaa_watchdog
()
[73003.807155]  [<c0103037>] dump_trace+0x64/0x1cd
[73003.807511]  [<c01031b2>] show_trace_log_lvl+0x12/0x25
[73003.807889]  [<c01037b9>] show_trace+0xd/0x10
[73003.808216]  [<c0103800>] dump_stack+0x19/0x1b
[73003.808549]  [<e486ddbb>] ehci_iaa_watchdog+0x35/0x67 [ehci_hcd]
[73003.808990]  [<c01196a5>] run_timer_softirq+0xed/0x145
[73003.809500]  [<c0116d8f>] __do_softirq+0x55/0xb0
[73003.809949]  [<c0104739>] do_softirq+0x58/0xbd
[73003.810287]  [<c0116d2e>] irq_exit+0x3f/0x4b
[73003.810712]  [<c0104854>] do_IRQ+0xb6/0xce
[73003.811027]  [<c0102bf5>] common_interrupt+0x25/0x2c
[73003.811384] DWARF2 unwinder stuck at common_interrupt+0x25/0x2c
[73003.811759]
[73003.811857] Leftover inexact backtrace:
[73003.811861]
[73003.812199]  [<c010eda3>] __wake_up+0x31/0x3b
[73003.812501]  [<c02f81d6>] unix_write_space+0x4b/0x7a
[73003.812847]  [<c02a74e6>] sock_wfree+0x26/0x3a
[73003.813152]  [<c02a89fc>] __kfree_skb+0x8c/0xaf
[73003.813459]  [<c02a8a47>] kfree_skb+0x28/0x2a
[73003.813754]  [<c02f6dc4>] unix_stream_recvmsg+0x352/0x443
[73003.814115]  [<c02a3c6f>] sock_aio_read+0xd2/0xe0
[73003.814633]  [<c014b2d0>] do_sync_read+0xae/0xec
[73003.815124]  [<c014ba75>] vfs_read+0x9b/0x136
[73003.815589]  [<c014be30>] sys_read+0x3b/0x60
[73003.816048]  [<c0102989>] sysenter_past_esp+0x56/0x8d
[73003.816555]  =======================

Since I found no googlable reference to this, I thought
 I'd just post it... thanks, ciao,

--alessandro

"...when I get it, I _get_ it"

     (Lara Eidemiller)
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