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This bug was introduced in the 2.6.24 i386/x86_64 tree merge, where MSI-X vector allocation will eventually fail. The cause is the new bit array tracking used vectors is not getting cleared properly on IRQ destruction on the 32-bit APIC code. This can be seen easily using the ixgbe 10 GbE driver on multi-core systems by simply loading and unloading the driver a few times. Depending on the number of available vectors on the host system, the MSI-X allocation will eventually fail, and the driver will only be able to use legacy interrupts. I am generating the same patch for both stable trees for 2.6.24 and 2.6.25. Signed-off-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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| boot | ||
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| crypto | ||
| ia32 | ||
| kernel | ||
| kvm | ||
| lguest | ||
| lib | ||
| mach-default | ||
| mach-es7000 | ||
| mach-generic | ||
| mach-rdc321x | ||
| mach-visws | ||
| mach-voyager | ||
| math-emu | ||
| mm | ||
| oprofile | ||
| pci | ||
| power | ||
| vdso | ||
| video | ||
| xen | ||
| Kconfig | ||
| Kconfig.cpu | ||
| Kconfig.debug | ||
| Makefile | ||
| Makefile_32.cpu | ||