On Mon, 2017-09-18 at 12:46 +0100, Marc Zyngier wrote: > On 18/09/17 09:49, Albert Weichselbraun wrote: > > Hi Marc, > > > > 100% ack > > - Booting with a kernel that does not do a PCI reset yields the > > following topology: > > > > <snip cmd="lspci -vt"> > > -[0000:00] - > > +-00.0 Intel Corporation 2nd Generation Core Processor Family > > DRAM > > Controller > > +-02.0 Intel Corporation 2nd Generation Core Processor Family > > Integrated Graphics Controller > > +-16.0 Intel Corporation 6 Series/C200 Series Chipset Family MEI > > Controller #1 > > +-19.0 Intel Corporation 82579LM Gigabit Network Connection > > +-1a.0 Intel Corporation 6 Series/C200 Series Chipset Family USB > > Enhanced Host Controller #2 > > +-1b.0 Intel Corporation 6 Series/C200 Series Chipset Family High > > Definition Audio Controller > > +-1c.0-[02]-- > > +-1c.1-[03]----00.0 Intel Corporation Centrino Advanced-N 6205 > > [Taylor Peak] > > +-1c.3-[05-0c]----00.0 Renesas Technology Corp. uPD720202 USB 3.0 > > Host Controller > > +-1c.4-[0d]----00.0 Ricoh Co Ltd MMC/SD Host Controller > > +-1d.0 Intel Corporation 6 Series/C200 Series Chipset Family USB > > Enhanced Host Controller #1 > > +-1f.0 Intel Corporation QM67 Express Chipset Family LPC > > Controller > > +-1f.2 Intel Corporation 6 Series/C200 Series Chipset Family 6 > > port > > SATA AHCI Controller > > \-1f.3 Intel Corporation 6 Series/C200 Series Chipset Family > > SMBus > > Controller > > </snip> > > > > Unplugging and replugging the card (regardless of the kernel > > version) > > or booting with a kernel that does the reset leads to the card not > > being correctly recognized and the problems I have observed. > > Hmmm. Just to make sure I understand you correctly: > > With a non-reset kernel: if you boot *without* the card inserted, but > insert it at a later time, the card is unusable? If that's the case, > that's quite unexpected too... This is exactly what is happening when booting with a non-reset kernel. If you insert the card at a later time it is unusable and the system starts to behave sluggish. There is also not a single line logged in /var/log/kern.log. Once the card is removed everything is back to normal. cheers, albert:)
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