On Tue, 2009-09-08 at 23:27 +0200, Jan Kiszka wrote: > > The last line dumps the following output in the dmesg (see attached > > dump.txt for the entire dmesg dump): > > rt_e1000_new 0000:0d:00.0: irq 52 for MSI/MSI-X > > rt_e1000_new 0000:0d:00.0: irq 52 for MSI/MSI-X > > irq event 52: bogus return value 2fb07cb0 > > Pid: 0, comm: swapper Not tainted 2.6.30-xenomai-2.4.9 #3 > > Call Trace: > > [<ffffffff8026c690>] ? __report_bad_irq+0x30/0x7d > > [<ffffffff8026c743>] ? note_interrupt+0x66/0x153 > > [<ffffffff8026d398>] ? handle_edge_irq+0xe4/0x114 > > [<ffffffff8020e315>] ? handle_irq+0x81/0x8a > > [<ffffffff8020da0c>] ? do_IRQ+0x5a/0xa3 > > [<ffffffff8020d9b2>] ? do_IRQ+0x0/0xa3 > > [<ffffffff802702f4>] ? __ipipe_sync_stage+0x166/0x16c > > [<ffffffff802702fa>] ? __xirq_end+0x0/0x6b > > [<ffffffff8021faef>] ? __ipipe_handle_irq+0x18a/0x275 > > [<ffffffff8020c493>] ? common_interrupt+0x13/0x2c > > [<ffffffff802120c9>] ? default_idle+0x8f/0x105 > > [<ffffffff80505b22>] ? __atomic_notifier_call_chain+0x46/0x69 > > [<ffffffff8020aadb>] ? cpu_idle+0x59/0x8b > > handlers: > > [<ffffffffa0360f33>] (e1000_intr_msi_test+0x0/0x71 [rt_e1000_new]) > > rt_e1000_new 0000:0d:00.0: irq 52 for MSI/MSI-X > > e1000: rteth0: e1000_watchdog_task: NIC Link is Up 1000 Mbps Full > > Duplex, Flow Control: RX/TX > > > > Hmm, the msi-test IRQ seems to trigger this mess. Could you try if > disabling CONFIG_PCI_MSI changes the picture.
Yes, by disabling CONFIG_PCI_MSI this error no longer occurs. Can I expect any performance degradation due to that? > Mathias, did you successfully tested or even used your driver with MSI > interrupts? > > > > > > > Note also that in order to build the experimental e1000 driver on this > > 64-bit system, I needed to patch the code a little: > > --- drivers/experimental/e1000/e1000_main.c 2009-08-29 > > 17:41:04.000000000 +0200 > > +++ drivers/experimental/e1000/e1000_main.c~ 2009-02-28 > > 14:34:03.000000000 +0100 > > @@ -305,3 +305,3 @@ > > static int e1000_intr(rtdm_irq_t *irq_handle); > > -static irqreturn_t e1000_intr_msi(rtdm_irq_t *irq_handle); > > +static int e1000_intr_msi(rtdm_irq_t *irq_handle); > > static bool e1000_clean_tx_irq(struct e1000_adapter *adapter, > > This doesn't apply to git head. What version are you using, what > patches? I used the 0.9.11 release and the git head from about 10 days ago. Now, with the latest head, this has already been fixed. Thank you and cheers, Anze Zagar. ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ RTnet-users mailing list RTnet-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/rtnet-users
