Messages in this thread | | | Date | Fri, 26 Nov 2021 15:47:30 +0800 | Subject | Re: [PATCH] PCI: pciehp: clear cmd_busy bit when Command Completed in polling mode | From | luanshi <> |
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Sorry for the late reply, the machine is occupied by someone else.
For detailed information:
https://bugzilla.kernel.org/show_bug.cgi?id=215143
Thanks,
Liguang
在 2021/11/21 14:35, Lukas Wunner 写道: > On Sun, Nov 21, 2021 at 09:50:38AM +0800, luanshi wrote: >> 2021/11/19 20:00, Lukas Wunner: >>> Please open a bug on bugzilla.kernel.org and attach full output >>> of lspci -vv and dmesg. Be sure to add the following to the >>> command line: >>> pciehp.pciehp_debug=1 dyndbg="file pciehp* +p" >>> >>> Once you've done that, please report the bugzilla link here >>> so that we can analyze the issue properly. > I really need you to perform the above steps in order to analyze > what's going on here. > > Again, if you get such timeout messages, it's usually not caused > by a bug in the driver but by an erratum in the hardware, > i.e. the hardware neglected to signal Command Completed in response > to a Slot Control register write. > > Thanks, > > Lukas
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