Re: kernel 5.15 does not boot with 3ware card (never had this issue <= 5.14) - scsi 0:0:0:0: WARNING: (0x06:0x002C) : Command (0x12) timed out, resetting card

[John Garry]

On 31/10/2021 23:52, Bart Van Assche wrote:
> On 10/31/21 16:19, Justin Piszcz wrote:
> > Diff between 5.14 and 5.15 .config files-- could it be something to do 
> > with
> > CONFIG_IOMMU_DEFAULT_DMA_LAZY=y?

On x86 (intel or amd) iommu we were using lazy mode previously, but just 
did not have a config option, so should not make a difference.


> That's hard to say. Is CONFIG_MAGIC_SYSRQ enabled? If not, please enable 
> it and hit Alt-Printscreen-t (dump task list; see also 
> Documentation/admin-guide/sysrq.rst) and share the contents of the 
> kernel log. If that would not be convenient, please try to bisect this 
> issue.