Date: Fri, 27 Feb 2009 12:08:47 -0500 From: John Baldwin <jhb@freebsd.org> To: freebsd-current@freebsd.org Cc: Sergey G Nasonov <snasonov@bcc.ru> Subject: Re: Interrupt stom on cardbus device Message-ID: <200902271208.48212.jhb@freebsd.org> In-Reply-To: <200902271730.07660.snasonov@bcc.ru> References: <200902271730.07660.snasonov@bcc.ru>
next in thread | previous in thread | raw e-mail | index | archive | help
On Friday 27 February 2009 9:30:06 am Sergey G Nasonov wrote: > Hello all, > I have get an issue after recent kernel recompile. > The problem appears after switch from X to text console and back to X11. > After that vmstat -i show an interrupt storm on cardbus device: > > > vmstat -i > interrupt total rate > irq1: atkbd0 6483 3 > irq9: acpi0 3236 1 > irq12: psm0 347988 167 > irq14: ata0 16431 7 > irq16: cbb0 uhci2+ 13624982 6556 > irq20: uhci0 14 0 > irq22: ehci0 2 0 > cpu0: timer 4154687 1999 > irq256: em0 53736 25 > irq257: hdac0 5797 2 > cpu1: timer 4153683 1998 > irq258: vgapci0 235585 113 > Total 22602624 10877 > > I suppose that the issue related with the latest MSI interrupt > handler changes for intel graphics chipset. My laptop has i965GM. > pciconf -lv: > > vgapci0@pci0:0:2:0: class=0x030000 card=0x20b517aa chip=0x2a028086 > rev=0x0c hdr=0x00 > vendor = 'Intel Corporation' > device = 'Mobile 965 Express Integrated Graphics Controller' > class = display > subclass = VGA > > When I added my device to drm_msi_blacklist and recompile drm modules the > problem disappear. > Is it possible to resolve this problem without moving the device to the > drm_msi_blacklist? > I can test any patches or provide additional detail if it is required. > Thanks. It seems the device is still interrupting on its INTx line perhaps in addition to the MSI interrupts. -- John Baldwin
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200902271208.48212.jhb>