https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=293602
Bug ID: 293602
Summary: ada(4): crashdump takes 10 minutes to complete
Product: Base System
Version: 15.0-CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: kern
Assignee: [email protected]
Reporter: [email protected]
On my Dell Latitude 7280 it takes about ten minutes (and significant amount of
electricity) to dump less than 1GB of kernel memory to this:
hci0: <Intel Sunrise Point-LP AHCI SATA controller> port
0xf090-0xf097,0xf080-0xf083,0xf060-0xf07f mem
0xef250000-0xef251fff,0xef254000-0xef2540ff,0xef253000-0xef2537ff irq 16 at
device 23.0 on pci0
ahci0: AHCI v1.31 with 1 6Gbps ports, Port Multiplier not supported
ahcich2: <AHCI channel> at channel 2 on ahci0
...
ada0 at ahcich2 bus 0 scbus0 target 0 lun 0
ada0: <TOSHIBA KSG60ZMV256G M.2 2280 256GB ABDA4101> ACS-4 ATA SATA 3.x device
ada0: Serial Number 28FS10TWTXFT
ada0: 600.000MB/s transfers (SATA 3.x, UDMA5, PIO 8192bytes)
ada0: Command Queueing enabled
ada0: 244198MB (500118192 512 byte sectors)
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