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Message-Id: <200808051429.44451.rjw@sisk.pl> Date: Tue, 5 Aug 2008 14:29:43 +0200 From: "Rafael J. Wysocki" <rjw@...k.pl> To: Randy Dunlap <randy.dunlap@...cle.com> Cc: lkml <linux-kernel@...r.kernel.org>, netdev <netdev@...r.kernel.org>, mchan@...adcom.com Subject: Re: 2.6.27-rc1-git4 BUG: sched while atomic On Monday, 4 of August 2008, Randy Dunlap wrote: > Usually (e.g., in 2.6.27-rc1 & earlier), I see lots of these messages for > some reason: > > tg3: eth2: Link is up at 1000 Mbps, full duplex. > tg3: eth2: Flow control is off for TX and off for RX. > tg3: eth3: Link is up at 1000 Mbps, full duplex. > tg3: eth3: Flow control is off for TX and off for RX. > bnx2: eth1: using MSI > bnx2: eth1 NIC SerDes Link is Up, 1000 Mbps full duplex > tg3: eth2: Link is up at 1000 Mbps, full duplex. > tg3: eth2: Flow control is off for TX and off for RX. > tg3: eth3: Link is up at 1000 Mbps, full duplex. > tg3: eth3: Flow control is off for TX and off for RX. > bnx2: eth1: using MSI > bnx2: eth1 NIC SerDes Link is Up, 1000 Mbps full duplex > tg3: eth2: Link is up at 1000 Mbps, full duplex. > tg3: eth2: Flow control is off for TX and off for RX. > tg3: eth3: Link is up at 1000 Mbps, full duplex. > tg3: eth3: Flow control is off for TX and off for RX. > bnx2: eth1: using MSI > bnx2: eth1 NIC SerDes Link is Up, 1000 Mbps full duplex > tg3: eth2: Link is up at 1000 Mbps, full duplex. > tg3: eth2: Flow control is off for TX and off for RX. > tg3: eth3: Link is up at 1000 Mbps, full duplex. > tg3: eth3: Flow control is off for TX and off for RX. > bnx2: eth1: using MSI > > > In 2.6.27-rc1-git4, I now see this (39 times): Please try the patch at http://marc.info/?l=linux-netdev&m=121791046925274&w=2 > BUG: scheduling while atomic: ifconfig/16971/0x00000100 > Modules linked in: parport_pc lp parport tg3 lpfc cciss ehci_hcd ohci_hcd uhci_hcd > Pid: 16971, comm: ifconfig Not tainted 2.6.27-rc1-git4 #1 > > Call Trace: > [<ffffffff80283db9>] ? page_add_new_anon_rmap+0x20/0x22 > [<ffffffff802310e9>] __schedule_bug+0x62/0x66 > [<ffffffff80551146>] schedule+0x99/0x759 > [<ffffffff8023dc9f>] ? __mod_timer+0xc1/0xd3 > [<ffffffff8055584a>] ? do_page_fault+0x473/0x7dd > [<ffffffff80551ce4>] schedule_timeout+0x8d/0xb4 > [<ffffffff8023d99e>] ? process_timeout+0x0/0xb > [<ffffffff80551cdf>] ? schedule_timeout+0x88/0xb4 > [<ffffffff80551d24>] schedule_timeout_uninterruptible+0x19/0x1b > [<ffffffff8023dcc5>] msleep+0x14/0x1e > [<ffffffff80375f2f>] pci_set_power_state+0x1cd/0x292 > [<ffffffff803739fc>] ? pci_bus_write_config_dword+0x64/0x73 > [<ffffffffa00651b6>] tg3_set_power_state+0x58/0x884 [tg3] > [<ffffffff80552525>] ? __mutex_lock_slowpath+0x1d8/0x1e5 > [<ffffffffa006b57a>] tg3_open+0x46/0x6cc [tg3] > [<ffffffff80552525>] ? __mutex_lock_slowpath+0x1d8/0x1e5 > [<ffffffff804bdcfe>] dev_open+0x73/0xa8 > [<ffffffff804bbf5e>] dev_change_flags+0xab/0x167 > [<ffffffff804f7094>] devinet_ioctl+0x269/0x5da > [<ffffffff8026d9da>] ? unlock_page+0x2d/0x32 > [<ffffffff804f7ca8>] inet_ioctl+0x92/0xaa > [<ffffffff804b2046>] sock_ioctl+0x1d1/0x1fb > [<ffffffff802a50aa>] vfs_ioctl+0x2a/0x77 > [<ffffffff802a534c>] do_vfs_ioctl+0x255/0x272 > [<ffffffff8055584a>] ? do_page_fault+0x473/0x7dd > [<ffffffff802a53ab>] sys_ioctl+0x42/0x67 > [<ffffffff8020beeb>] system_call_fastpath+0x16/0x1b -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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