Hello,
Main problem is the kernel goes into a loop and never break,
so no ddb
I have similar setups (same driver and stack) , and this one only
is more prone to the error, even if the virt / qemu driver is partly responsible
the kernel should not loop the `scsi_xfer pool exhausted`
message for ever and maybe fall into ddb after a while or
handle this differently.
Is there's step I can do to avoid or better document the bug ?
( i would very much like not upgrading 7.2 just yet this one )
* I had eye on it :
load averages: 5.22, 2.50, 1.74
111 processes: 3 running, 107 idle, 1 on processor
CPU states: 0.0% user, 0.0% nice, 34.3% sys, 0.0% spin, 0.0% intr,
65.7% idle
Memory: Real: 1101M/1915M act/tot Free: 24K Cache: 96M Swap: 1012M/1012M
client_loop: send disconnect: Broken pipe
E WAIT TIME CPU COMMAND
$ 461 root -18 0 31M 39M sleep flt_nor 0:01 1.27% perl
17540 root -18 2 31M 40M sleep flt_nor 0:01 1.17% perl
14710 root -18 15 31M 40M sleep uvm_pmr 0:01 1.07% perl
77611 root -18 2 31M 40M sleep uvm_pmr 0:01 1.07% perl
7048 root -6 2 31M 40M sleep piperd 0:01 1.07% perl
63374 root -18 2 29M 38M sleep flt_nor 0:01 1.07% perl
51570 root -18 2 30M 38M sleep flt_nor 0:01 1.03% perl
10785 root -18 2 29M 37M sleep flt_nor 0:01 0.98% perl
92602 root -18 2 31M 40M sleep flt_nor 0:01 0.93% perl
27245 root -18 2 29M 38M sleep flt_nor 0:01 0.93% perl
65133 root -18 2 28M 37M sleep flt_nor 0:01 0.88% perl
64059 root -18 2 27M 35M sleep flt_nor 0:01 0.88% perl
22519 root -18 2 26M 34M sleep flt_nor 0:01 0.83% perl
74085 root -18 2 23M 31M sleep flt_nor 0:01 0.83% perl
59008 root -18 2 23M 31M sleep flt_nor 0:01 0.78% perl
19896 _mysql 2 0 884M 323M run kqread 252:16 0.00% mariadbd
* dmesg ( not using unwind so one syspatch late )
OpenBSD 7.1 (GENERIC) #3: Sun May 15 10:25:28 MDT 2022
root@syspatch-71-amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC
real mem = 2080227328 (1983MB)
avail mem = 2000064512 (1907MB)
random: good seed from bootblocks
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.8 @ 0xf68b0 (9 entries)
bios0: vendor SeaBIOS version "2:1.10.2-58953eb7" date 04/01/2014
bios0: OpenStack Foundation OpenStack Nova
acpi0 at bios0: ACPI 1.0
acpi0: sleep states S3 S4 S5
acpi0: tables DSDT FACP APIC
acpi0: wakeup devices
acpitimer0 at acpi0: 3579545 Hz, 24 bits
acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
cpu0 at mainbus0: apid 0 (boot processor)
cpu0: Intel Core Processor (Haswell, no TSX), 2394.83 MHz, 06-3c-01
cpu0: FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,PCLMUL,VMX,SSSE3,FMA3,CX16,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,HV,NXE,RDTSCP,LONG,LAHF,ABM,FSGSBASE,BMI1,AVX2,SMEP,BMI2,ERMS,INVPCID,MD_CLEAR,ARAT,XSAVEOPT,MELTDOWN
cpu0: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB
64b/line 16-way L2 cache
cpu0: ITLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
cpu0: DTLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped
cpu0: smt 0, core 0, package 0
mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges
cpu0: apic clock running at 1000MHz
ioapic0 at mainbus0: apid 0 pa 0xfec00000, version 11, 24 pins
acpiprt0 at acpi0: bus 0 (PCI0)
"ACPI0006" at acpi0 not configured
acpipci0 at acpi0 PCI0
acpicmos0 at acpi0
com0 at acpi0 COM1 addr 0x3f8/0x8 irq 4: ns16550a, 16 byte fifo
"PNP0A06" at acpi0 not configured
"PNP0A06" at acpi0 not configured
"PNP0A06" at acpi0 not configured
"QEMU0002" at acpi0 not configured
"ACPI0010" at acpi0 not configured
acpicpu0 at acpi0: C1(@1 halt!)
cpu0: using VERW MDS workaround
pvbus0 at mainbus0: KVM
pvclock0 at pvbus0
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "Intel 82441FX" rev 0x02
pcib0 at pci0 dev 1 function 0 "Intel 82371SB ISA" rev 0x00
pciide0 at pci0 dev 1 function 1 "Intel 82371SB IDE" rev 0x00: DMA,
channel 0 wired to compatibility, channel 1 wired to compatibility
pciide0: channel 0 disabled (no drives)
pciide0: channel 1 disabled (no drives)
uhci0 at pci0 dev 1 function 2 "Intel 82371SB USB" rev 0x01: apic 0 int 11
piixpm0 at pci0 dev 1 function 3 "Intel 82371AB Power" rev 0x03: apic 0 int 9
iic0 at piixpm0
vga1 at pci0 dev 2 function 0 "Cirrus Logic CL-GD5446" rev 0x00
wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation)
wsdisplay0: screen 1-5 added (80x25, vt100 emulation)
virtio0 at pci0 dev 3 function 0 "Qumranet Virtio Network" rev 0x00
vio0 at virtio0: address fa:16:3e:16:55:db
virtio0: msix shared
virtio1 at pci0 dev 4 function 0 "Qumranet Virtio SCSI" rev 0x00
vioscsi0 at virtio1: qsize 128
scsibus1 at vioscsi0: 255 targets
sd0 at scsibus1 targ 0 lun 0: <QEMU, QEMU HARDDISK, 2.5+>
sd0: 40960MB, 512 bytes/sector, 83886080 sectors, thin
virtio1: msix shared
virtio2 at pci0 dev 5 function 0 "Qumranet Virtio Memory Balloon" rev 0x00
viomb0 at virtio2
virtio2: apic 0 int 10
isa0 at pcib0
isadma0 at isa0
fdc0 at isa0 port 0x3f0/6 irq 6 drq 2
pckbc0 at isa0 port 0x60/5 irq 1 irq 12
pckbd0 at pckbc0 (kbd slot)
wskbd0 at pckbd0: console keyboard, using wsdisplay0
pms0 at pckbc0 (aux slot)
wsmouse0 at pms0 mux 0
pcppi0 at isa0 port 0x61
spkr0 at pcppi0
usb0 at uhci0: USB revision 1.0
uhub0 at usb0 configuration 1 interface 0 "Intel UHCI root hub" rev
1.00/1.00 addr 1
vmm0 at mainbus0: VMX/EPT (using slow L1TF mitigation)
uhidev0 at uhub0 port 1 configuration 1 interface 0 "QEMU QEMU USB
Tablet" rev 2.00/0.00 addr 2
uhidev0: iclass 3/0
ums0 at uhidev0: 3 buttons, Z dir
wsmouse1 at ums0 mux 0
vscsi0 at root
scsibus2 at vscsi0: 256 targets
softraid0 at root
scsibus3 at softraid0: 256 targets
root on sd0a (d634685705fc97a8.a) swap on sd0b dump on sd0b
WARNING: / was not properly unmounted
fd0 at fdc0 drive 1: density unknown
Best,
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Knowing is not enough; we must apply. Willing is not enough; we must do
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